sde_encoder.c 143 KB

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  1. /*
  2. * Copyright (c) 2014-2020, The Linux Foundation. All rights reserved.
  3. * Copyright (C) 2013 Red Hat
  4. * Author: Rob Clark <[email protected]>
  5. *
  6. * This program is free software; you can redistribute it and/or modify it
  7. * under the terms of the GNU General Public License version 2 as published by
  8. * the Free Software Foundation.
  9. *
  10. * This program is distributed in the hope that it will be useful, but WITHOUT
  11. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  13. * more details.
  14. *
  15. * You should have received a copy of the GNU General Public License along with
  16. * this program. If not, see <http://www.gnu.org/licenses/>.
  17. */
  18. #define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
  19. #include <linux/kthread.h>
  20. #include <linux/debugfs.h>
  21. #include <linux/input.h>
  22. #include <linux/seq_file.h>
  23. #include <linux/sde_rsc.h>
  24. #include "msm_drv.h"
  25. #include "sde_kms.h"
  26. #include <drm/drm_crtc.h>
  27. #include <drm/drm_probe_helper.h>
  28. #include "sde_hwio.h"
  29. #include "sde_hw_catalog.h"
  30. #include "sde_hw_intf.h"
  31. #include "sde_hw_ctl.h"
  32. #include "sde_formats.h"
  33. #include "sde_encoder.h"
  34. #include "sde_encoder_phys.h"
  35. #include "sde_hw_dsc.h"
  36. #include "sde_crtc.h"
  37. #include "sde_trace.h"
  38. #include "sde_core_irq.h"
  39. #include "sde_hw_top.h"
  40. #include "sde_hw_qdss.h"
  41. #include "sde_encoder_dce.h"
  42. #define SDE_DEBUG_ENC(e, fmt, ...) SDE_DEBUG("enc%d " fmt,\
  43. (e) ? (e)->base.base.id : -1, ##__VA_ARGS__)
  44. #define SDE_ERROR_ENC(e, fmt, ...) SDE_ERROR("enc%d " fmt,\
  45. (e) ? (e)->base.base.id : -1, ##__VA_ARGS__)
  46. #define SDE_DEBUG_PHYS(p, fmt, ...) SDE_DEBUG("enc%d intf%d pp%d " fmt,\
  47. (p) ? (p)->parent->base.id : -1, \
  48. (p) ? (p)->intf_idx - INTF_0 : -1, \
  49. (p) ? ((p)->hw_pp ? (p)->hw_pp->idx - PINGPONG_0 : -1) : -1, \
  50. ##__VA_ARGS__)
  51. #define SDE_ERROR_PHYS(p, fmt, ...) SDE_ERROR("enc%d intf%d pp%d " fmt,\
  52. (p) ? (p)->parent->base.id : -1, \
  53. (p) ? (p)->intf_idx - INTF_0 : -1, \
  54. (p) ? ((p)->hw_pp ? (p)->hw_pp->idx - PINGPONG_0 : -1) : -1, \
  55. ##__VA_ARGS__)
  56. #define MISR_BUFF_SIZE 256
  57. #define IDLE_SHORT_TIMEOUT 1
  58. #define EVT_TIME_OUT_SPLIT 2
  59. /* Maximum number of VSYNC wait attempts for RSC state transition */
  60. #define MAX_RSC_WAIT 5
  61. /**
  62. * enum sde_enc_rc_events - events for resource control state machine
  63. * @SDE_ENC_RC_EVENT_KICKOFF:
  64. * This event happens at NORMAL priority.
  65. * Event that signals the start of the transfer. When this event is
  66. * received, enable MDP/DSI core clocks and request RSC with CMD state.
  67. * Regardless of the previous state, the resource should be in ON state
  68. * at the end of this event. At the end of this event, a delayed work is
  69. * scheduled to go to IDLE_PC state after IDLE_POWERCOLLAPSE_DURATION
  70. * ktime.
  71. * @SDE_ENC_RC_EVENT_PRE_STOP:
  72. * This event happens at NORMAL priority.
  73. * This event, when received during the ON state, set RSC to IDLE, and
  74. * and leave the RC STATE in the PRE_OFF state.
  75. * It should be followed by the STOP event as part of encoder disable.
  76. * If received during IDLE or OFF states, it will do nothing.
  77. * @SDE_ENC_RC_EVENT_STOP:
  78. * This event happens at NORMAL priority.
  79. * When this event is received, disable all the MDP/DSI core clocks, and
  80. * disable IRQs. It should be called from the PRE_OFF or IDLE states.
  81. * IDLE is expected when IDLE_PC has run, and PRE_OFF did nothing.
  82. * PRE_OFF is expected when PRE_STOP was executed during the ON state.
  83. * Resource state should be in OFF at the end of the event.
  84. * @SDE_ENC_RC_EVENT_PRE_MODESET:
  85. * This event happens at NORMAL priority from a work item.
  86. * Event signals that there is a seamless mode switch is in prgoress. A
  87. * client needs to turn of only irq - leave clocks ON to reduce the mode
  88. * switch latency.
  89. * @SDE_ENC_RC_EVENT_POST_MODESET:
  90. * This event happens at NORMAL priority from a work item.
  91. * Event signals that seamless mode switch is complete and resources are
  92. * acquired. Clients wants to turn on the irq again and update the rsc
  93. * with new vtotal.
  94. * @SDE_ENC_RC_EVENT_ENTER_IDLE:
  95. * This event happens at NORMAL priority from a work item.
  96. * Event signals that there were no frame updates for
  97. * IDLE_POWERCOLLAPSE_DURATION time. This would disable MDP/DSI core clocks
  98. * and request RSC with IDLE state and change the resource state to IDLE.
  99. * @SDE_ENC_RC_EVENT_EARLY_WAKEUP:
  100. * This event is triggered from the input event thread when touch event is
  101. * received from the input device. On receiving this event,
  102. * - If the device is in SDE_ENC_RC_STATE_IDLE state, it turns ON the
  103. clocks and enable RSC.
  104. * - If the device is in SDE_ENC_RC_STATE_ON state, it resets the delayed
  105. * off work since a new commit is imminent.
  106. */
  107. enum sde_enc_rc_events {
  108. SDE_ENC_RC_EVENT_KICKOFF = 1,
  109. SDE_ENC_RC_EVENT_PRE_STOP,
  110. SDE_ENC_RC_EVENT_STOP,
  111. SDE_ENC_RC_EVENT_PRE_MODESET,
  112. SDE_ENC_RC_EVENT_POST_MODESET,
  113. SDE_ENC_RC_EVENT_ENTER_IDLE,
  114. SDE_ENC_RC_EVENT_EARLY_WAKEUP,
  115. };
  116. void sde_encoder_uidle_enable(struct drm_encoder *drm_enc, bool enable)
  117. {
  118. struct sde_encoder_virt *sde_enc;
  119. int i;
  120. sde_enc = to_sde_encoder_virt(drm_enc);
  121. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  122. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  123. if (phys && phys->hw_ctl && phys->hw_ctl->ops.uidle_enable) {
  124. SDE_EVT32(DRMID(drm_enc), enable);
  125. phys->hw_ctl->ops.uidle_enable(phys->hw_ctl, enable);
  126. }
  127. }
  128. }
  129. static void _sde_encoder_pm_qos_add_request(struct drm_encoder *drm_enc)
  130. {
  131. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  132. struct msm_drm_private *priv;
  133. struct sde_kms *sde_kms;
  134. struct device *cpu_dev;
  135. struct cpumask *cpu_mask = NULL;
  136. int cpu = 0;
  137. u32 cpu_dma_latency;
  138. priv = drm_enc->dev->dev_private;
  139. sde_kms = to_sde_kms(priv->kms);
  140. if (!sde_kms->catalog || !sde_kms->catalog->perf.cpu_mask)
  141. return;
  142. cpu_dma_latency = sde_kms->catalog->perf.cpu_dma_latency;
  143. cpumask_clear(&sde_enc->valid_cpu_mask);
  144. if (sde_enc->mode_info.frame_rate > DEFAULT_FPS)
  145. cpu_mask = to_cpumask(&sde_kms->catalog->perf.cpu_mask_perf);
  146. if (!cpu_mask &&
  147. sde_encoder_check_curr_mode(drm_enc,
  148. MSM_DISPLAY_CMD_MODE))
  149. cpu_mask = to_cpumask(&sde_kms->catalog->perf.cpu_mask);
  150. if (!cpu_mask)
  151. return;
  152. for_each_cpu(cpu, cpu_mask) {
  153. cpu_dev = get_cpu_device(cpu);
  154. if (!cpu_dev) {
  155. SDE_ERROR("%s: failed to get cpu%d device\n", __func__,
  156. cpu);
  157. return;
  158. }
  159. cpumask_set_cpu(cpu, &sde_enc->valid_cpu_mask);
  160. dev_pm_qos_add_request(cpu_dev,
  161. &sde_enc->pm_qos_cpu_req[cpu],
  162. DEV_PM_QOS_RESUME_LATENCY, cpu_dma_latency);
  163. SDE_EVT32_VERBOSE(DRMID(drm_enc), cpu_dma_latency, cpu);
  164. }
  165. }
  166. static void _sde_encoder_pm_qos_remove_request(struct drm_encoder *drm_enc)
  167. {
  168. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  169. struct device *cpu_dev;
  170. int cpu = 0;
  171. for_each_cpu(cpu, &sde_enc->valid_cpu_mask) {
  172. cpu_dev = get_cpu_device(cpu);
  173. if (!cpu_dev) {
  174. SDE_ERROR("%s: failed to get cpu%d device\n", __func__,
  175. cpu);
  176. continue;
  177. }
  178. dev_pm_qos_remove_request(&sde_enc->pm_qos_cpu_req[cpu]);
  179. SDE_EVT32_VERBOSE(DRMID(drm_enc), cpu);
  180. }
  181. cpumask_clear(&sde_enc->valid_cpu_mask);
  182. }
  183. static bool _sde_encoder_is_autorefresh_enabled(
  184. struct sde_encoder_virt *sde_enc)
  185. {
  186. struct drm_connector *drm_conn;
  187. if (!sde_enc->cur_master ||
  188. !(sde_enc->disp_info.capabilities & MSM_DISPLAY_CAP_CMD_MODE))
  189. return false;
  190. drm_conn = sde_enc->cur_master->connector;
  191. if (!drm_conn || !drm_conn->state)
  192. return false;
  193. return sde_connector_get_property(drm_conn->state,
  194. CONNECTOR_PROP_AUTOREFRESH) ? true : false;
  195. }
  196. static void sde_configure_qdss(struct sde_encoder_virt *sde_enc,
  197. struct sde_hw_qdss *hw_qdss,
  198. struct sde_encoder_phys *phys, bool enable)
  199. {
  200. if (sde_enc->qdss_status == enable)
  201. return;
  202. sde_enc->qdss_status = enable;
  203. phys->hw_mdptop->ops.set_mdp_hw_events(phys->hw_mdptop,
  204. sde_enc->qdss_status);
  205. hw_qdss->ops.enable_qdss_events(hw_qdss, sde_enc->qdss_status);
  206. }
  207. static int _sde_encoder_wait_timeout(int32_t drm_id, int32_t hw_id,
  208. s64 timeout_ms, struct sde_encoder_wait_info *info)
  209. {
  210. int rc = 0;
  211. s64 wait_time_jiffies = msecs_to_jiffies(timeout_ms);
  212. ktime_t cur_ktime;
  213. ktime_t exp_ktime = ktime_add_ms(ktime_get(), timeout_ms);
  214. do {
  215. rc = wait_event_timeout(*(info->wq),
  216. atomic_read(info->atomic_cnt) == info->count_check,
  217. wait_time_jiffies);
  218. cur_ktime = ktime_get();
  219. SDE_EVT32(drm_id, hw_id, rc, ktime_to_ms(cur_ktime),
  220. timeout_ms, atomic_read(info->atomic_cnt),
  221. info->count_check);
  222. /* If we timed out, counter is valid and time is less, wait again */
  223. } while ((atomic_read(info->atomic_cnt) != info->count_check) &&
  224. (rc == 0) &&
  225. (ktime_compare_safe(exp_ktime, cur_ktime) > 0));
  226. return rc;
  227. }
  228. bool sde_encoder_is_primary_display(struct drm_encoder *drm_enc)
  229. {
  230. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  231. return sde_enc &&
  232. (sde_enc->disp_info.display_type ==
  233. SDE_CONNECTOR_PRIMARY);
  234. }
  235. bool sde_encoder_is_dsi_display(struct drm_encoder *drm_enc)
  236. {
  237. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  238. return sde_enc &&
  239. (sde_enc->disp_info.intf_type == DRM_MODE_CONNECTOR_DSI);
  240. }
  241. int sde_encoder_in_cont_splash(struct drm_encoder *drm_enc)
  242. {
  243. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  244. return sde_enc && sde_enc->cur_master &&
  245. sde_enc->cur_master->cont_splash_enabled;
  246. }
  247. void sde_encoder_helper_report_irq_timeout(struct sde_encoder_phys *phys_enc,
  248. enum sde_intr_idx intr_idx)
  249. {
  250. SDE_EVT32(DRMID(phys_enc->parent),
  251. phys_enc->intf_idx - INTF_0,
  252. phys_enc->hw_pp->idx - PINGPONG_0,
  253. intr_idx);
  254. SDE_ERROR_PHYS(phys_enc, "irq %d timeout\n", intr_idx);
  255. if (phys_enc->parent_ops.handle_frame_done)
  256. phys_enc->parent_ops.handle_frame_done(
  257. phys_enc->parent, phys_enc,
  258. SDE_ENCODER_FRAME_EVENT_ERROR);
  259. }
  260. int sde_encoder_helper_wait_for_irq(struct sde_encoder_phys *phys_enc,
  261. enum sde_intr_idx intr_idx,
  262. struct sde_encoder_wait_info *wait_info)
  263. {
  264. struct sde_encoder_irq *irq;
  265. u32 irq_status;
  266. int ret, i;
  267. if (!phys_enc || !wait_info || intr_idx >= INTR_IDX_MAX) {
  268. SDE_ERROR("invalid params\n");
  269. return -EINVAL;
  270. }
  271. irq = &phys_enc->irq[intr_idx];
  272. /* note: do master / slave checking outside */
  273. /* return EWOULDBLOCK since we know the wait isn't necessary */
  274. if (phys_enc->enable_state == SDE_ENC_DISABLED) {
  275. SDE_ERROR_PHYS(phys_enc, "encoder is disabled\n");
  276. SDE_EVT32(DRMID(phys_enc->parent), intr_idx, irq->hw_idx,
  277. irq->irq_idx, intr_idx, SDE_EVTLOG_ERROR);
  278. return -EWOULDBLOCK;
  279. }
  280. if (irq->irq_idx < 0) {
  281. SDE_DEBUG_PHYS(phys_enc, "irq %s hw %d disabled, skip wait\n",
  282. irq->name, irq->hw_idx);
  283. SDE_EVT32(DRMID(phys_enc->parent), intr_idx, irq->hw_idx,
  284. irq->irq_idx);
  285. return 0;
  286. }
  287. SDE_DEBUG_PHYS(phys_enc, "pending_cnt %d\n",
  288. atomic_read(wait_info->atomic_cnt));
  289. SDE_EVT32_VERBOSE(DRMID(phys_enc->parent), intr_idx, irq->hw_idx,
  290. irq->irq_idx, phys_enc->hw_pp->idx - PINGPONG_0,
  291. atomic_read(wait_info->atomic_cnt), SDE_EVTLOG_FUNC_ENTRY);
  292. /*
  293. * Some module X may disable interrupt for longer duration
  294. * and it may trigger all interrupts including timer interrupt
  295. * when module X again enable the interrupt.
  296. * That may cause interrupt wait timeout API in this API.
  297. * It is handled by split the wait timer in two halves.
  298. */
  299. for (i = 0; i < EVT_TIME_OUT_SPLIT; i++) {
  300. ret = _sde_encoder_wait_timeout(DRMID(phys_enc->parent),
  301. irq->hw_idx,
  302. (wait_info->timeout_ms/EVT_TIME_OUT_SPLIT),
  303. wait_info);
  304. if (ret)
  305. break;
  306. }
  307. if (ret <= 0) {
  308. irq_status = sde_core_irq_read(phys_enc->sde_kms,
  309. irq->irq_idx, true);
  310. if (irq_status) {
  311. unsigned long flags;
  312. SDE_EVT32(DRMID(phys_enc->parent), intr_idx,
  313. irq->hw_idx, irq->irq_idx,
  314. phys_enc->hw_pp->idx - PINGPONG_0,
  315. atomic_read(wait_info->atomic_cnt));
  316. SDE_DEBUG_PHYS(phys_enc,
  317. "done but irq %d not triggered\n",
  318. irq->irq_idx);
  319. local_irq_save(flags);
  320. irq->cb.func(phys_enc, irq->irq_idx);
  321. local_irq_restore(flags);
  322. ret = 0;
  323. } else {
  324. ret = -ETIMEDOUT;
  325. SDE_EVT32(DRMID(phys_enc->parent), intr_idx,
  326. irq->hw_idx, irq->irq_idx,
  327. phys_enc->hw_pp->idx - PINGPONG_0,
  328. atomic_read(wait_info->atomic_cnt), irq_status,
  329. SDE_EVTLOG_ERROR);
  330. }
  331. } else {
  332. ret = 0;
  333. SDE_EVT32(DRMID(phys_enc->parent), intr_idx, irq->hw_idx,
  334. irq->irq_idx, phys_enc->hw_pp->idx - PINGPONG_0,
  335. atomic_read(wait_info->atomic_cnt));
  336. }
  337. SDE_EVT32_VERBOSE(DRMID(phys_enc->parent), intr_idx, irq->hw_idx,
  338. irq->irq_idx, ret, phys_enc->hw_pp->idx - PINGPONG_0,
  339. atomic_read(wait_info->atomic_cnt), SDE_EVTLOG_FUNC_EXIT);
  340. return ret;
  341. }
  342. int sde_encoder_helper_register_irq(struct sde_encoder_phys *phys_enc,
  343. enum sde_intr_idx intr_idx)
  344. {
  345. struct sde_encoder_irq *irq;
  346. int ret = 0;
  347. if (!phys_enc || intr_idx >= INTR_IDX_MAX) {
  348. SDE_ERROR("invalid params\n");
  349. return -EINVAL;
  350. }
  351. irq = &phys_enc->irq[intr_idx];
  352. if (irq->irq_idx >= 0) {
  353. SDE_DEBUG_PHYS(phys_enc,
  354. "skipping already registered irq %s type %d\n",
  355. irq->name, irq->intr_type);
  356. return 0;
  357. }
  358. irq->irq_idx = sde_core_irq_idx_lookup(phys_enc->sde_kms,
  359. irq->intr_type, irq->hw_idx);
  360. if (irq->irq_idx < 0) {
  361. SDE_ERROR_PHYS(phys_enc,
  362. "failed to lookup IRQ index for %s type:%d\n",
  363. irq->name, irq->intr_type);
  364. return -EINVAL;
  365. }
  366. ret = sde_core_irq_register_callback(phys_enc->sde_kms, irq->irq_idx,
  367. &irq->cb);
  368. if (ret) {
  369. SDE_ERROR_PHYS(phys_enc,
  370. "failed to register IRQ callback for %s\n",
  371. irq->name);
  372. irq->irq_idx = -EINVAL;
  373. return ret;
  374. }
  375. ret = sde_core_irq_enable(phys_enc->sde_kms, &irq->irq_idx, 1);
  376. if (ret) {
  377. SDE_ERROR_PHYS(phys_enc,
  378. "enable IRQ for intr:%s failed, irq_idx %d\n",
  379. irq->name, irq->irq_idx);
  380. sde_core_irq_unregister_callback(phys_enc->sde_kms,
  381. irq->irq_idx, &irq->cb);
  382. SDE_EVT32(DRMID(phys_enc->parent), intr_idx, irq->hw_idx,
  383. irq->irq_idx, SDE_EVTLOG_ERROR);
  384. irq->irq_idx = -EINVAL;
  385. return ret;
  386. }
  387. SDE_EVT32(DRMID(phys_enc->parent), intr_idx, irq->hw_idx, irq->irq_idx);
  388. SDE_DEBUG_PHYS(phys_enc, "registered irq %s idx: %d\n",
  389. irq->name, irq->irq_idx);
  390. return ret;
  391. }
  392. int sde_encoder_helper_unregister_irq(struct sde_encoder_phys *phys_enc,
  393. enum sde_intr_idx intr_idx)
  394. {
  395. struct sde_encoder_irq *irq;
  396. int ret;
  397. if (!phys_enc) {
  398. SDE_ERROR("invalid encoder\n");
  399. return -EINVAL;
  400. }
  401. irq = &phys_enc->irq[intr_idx];
  402. /* silently skip irqs that weren't registered */
  403. if (irq->irq_idx < 0) {
  404. SDE_ERROR(
  405. "extra unregister irq, enc%d intr_idx:0x%x hw_idx:0x%x irq_idx:0x%x\n",
  406. DRMID(phys_enc->parent), intr_idx, irq->hw_idx,
  407. irq->irq_idx);
  408. SDE_EVT32(DRMID(phys_enc->parent), intr_idx, irq->hw_idx,
  409. irq->irq_idx, SDE_EVTLOG_ERROR);
  410. return 0;
  411. }
  412. ret = sde_core_irq_disable(phys_enc->sde_kms, &irq->irq_idx, 1);
  413. if (ret)
  414. SDE_EVT32(DRMID(phys_enc->parent), intr_idx, irq->hw_idx,
  415. irq->irq_idx, ret, SDE_EVTLOG_ERROR);
  416. ret = sde_core_irq_unregister_callback(phys_enc->sde_kms, irq->irq_idx,
  417. &irq->cb);
  418. if (ret)
  419. SDE_EVT32(DRMID(phys_enc->parent), intr_idx, irq->hw_idx,
  420. irq->irq_idx, ret, SDE_EVTLOG_ERROR);
  421. SDE_EVT32(DRMID(phys_enc->parent), intr_idx, irq->hw_idx, irq->irq_idx);
  422. SDE_DEBUG_PHYS(phys_enc, "unregistered %d\n", irq->irq_idx);
  423. irq->irq_idx = -EINVAL;
  424. return 0;
  425. }
  426. void sde_encoder_get_hw_resources(struct drm_encoder *drm_enc,
  427. struct sde_encoder_hw_resources *hw_res,
  428. struct drm_connector_state *conn_state)
  429. {
  430. struct sde_encoder_virt *sde_enc = NULL;
  431. int ret, i = 0;
  432. if (!hw_res || !drm_enc || !conn_state || !hw_res->comp_info) {
  433. SDE_ERROR("rc %d, drm_enc %d, res %d, state %d, comp-info %d\n",
  434. -EINVAL, !drm_enc, !hw_res, !conn_state,
  435. hw_res ? !hw_res->comp_info : 0);
  436. return;
  437. }
  438. sde_enc = to_sde_encoder_virt(drm_enc);
  439. SDE_DEBUG_ENC(sde_enc, "\n");
  440. hw_res->display_num_of_h_tiles = sde_enc->display_num_of_h_tiles;
  441. hw_res->display_type = sde_enc->disp_info.display_type;
  442. /* Query resources used by phys encs, expected to be without overlap */
  443. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  444. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  445. if (phys && phys->ops.get_hw_resources)
  446. phys->ops.get_hw_resources(phys, hw_res, conn_state);
  447. }
  448. /*
  449. * NOTE: Do not use sde_encoder_get_mode_info here as this function is
  450. * called from atomic_check phase. Use the below API to get mode
  451. * information of the temporary conn_state passed
  452. */
  453. ret = sde_connector_state_get_topology(conn_state, &hw_res->topology);
  454. if (ret)
  455. SDE_ERROR("failed to get topology ret %d\n", ret);
  456. ret = sde_connector_state_get_compression_info(conn_state,
  457. hw_res->comp_info);
  458. if (ret)
  459. SDE_ERROR("failed to get compression info ret %d\n", ret);
  460. }
  461. void sde_encoder_destroy(struct drm_encoder *drm_enc)
  462. {
  463. struct sde_encoder_virt *sde_enc = NULL;
  464. int i = 0;
  465. unsigned int num_encs;
  466. if (!drm_enc) {
  467. SDE_ERROR("invalid encoder\n");
  468. return;
  469. }
  470. sde_enc = to_sde_encoder_virt(drm_enc);
  471. SDE_DEBUG_ENC(sde_enc, "\n");
  472. num_encs = sde_enc->num_phys_encs;
  473. mutex_lock(&sde_enc->enc_lock);
  474. sde_rsc_client_destroy(sde_enc->rsc_client);
  475. for (i = 0; i < num_encs; i++) {
  476. struct sde_encoder_phys *phys;
  477. phys = sde_enc->phys_vid_encs[i];
  478. if (phys && phys->ops.destroy) {
  479. phys->ops.destroy(phys);
  480. --sde_enc->num_phys_encs;
  481. sde_enc->phys_vid_encs[i] = NULL;
  482. }
  483. phys = sde_enc->phys_cmd_encs[i];
  484. if (phys && phys->ops.destroy) {
  485. phys->ops.destroy(phys);
  486. --sde_enc->num_phys_encs;
  487. sde_enc->phys_cmd_encs[i] = NULL;
  488. }
  489. phys = sde_enc->phys_encs[i];
  490. if (phys && phys->ops.destroy) {
  491. phys->ops.destroy(phys);
  492. --sde_enc->num_phys_encs;
  493. sde_enc->phys_encs[i] = NULL;
  494. }
  495. }
  496. if (sde_enc->num_phys_encs)
  497. SDE_ERROR_ENC(sde_enc, "expected 0 num_phys_encs not %d\n",
  498. sde_enc->num_phys_encs);
  499. sde_enc->num_phys_encs = 0;
  500. mutex_unlock(&sde_enc->enc_lock);
  501. drm_encoder_cleanup(drm_enc);
  502. mutex_destroy(&sde_enc->enc_lock);
  503. kfree(sde_enc->input_handler);
  504. sde_enc->input_handler = NULL;
  505. kfree(sde_enc);
  506. }
  507. void sde_encoder_helper_update_intf_cfg(
  508. struct sde_encoder_phys *phys_enc)
  509. {
  510. struct sde_encoder_virt *sde_enc;
  511. struct sde_hw_intf_cfg_v1 *intf_cfg;
  512. enum sde_3d_blend_mode mode_3d;
  513. if (!phys_enc || !phys_enc->hw_pp) {
  514. SDE_ERROR("invalid args, encoder %d\n", !phys_enc);
  515. return;
  516. }
  517. sde_enc = to_sde_encoder_virt(phys_enc->parent);
  518. intf_cfg = &sde_enc->cur_master->intf_cfg_v1;
  519. SDE_DEBUG_ENC(sde_enc,
  520. "intf_cfg updated for %d at idx %d\n",
  521. phys_enc->intf_idx,
  522. intf_cfg->intf_count);
  523. /* setup interface configuration */
  524. if (intf_cfg->intf_count >= MAX_INTF_PER_CTL_V1) {
  525. pr_err("invalid inf_count %d\n", intf_cfg->intf_count);
  526. return;
  527. }
  528. intf_cfg->intf[intf_cfg->intf_count++] = phys_enc->intf_idx;
  529. if (phys_enc == sde_enc->cur_master) {
  530. if (sde_enc->cur_master->intf_mode == INTF_MODE_CMD)
  531. intf_cfg->intf_mode_sel = SDE_CTL_MODE_SEL_CMD;
  532. else
  533. intf_cfg->intf_mode_sel = SDE_CTL_MODE_SEL_VID;
  534. }
  535. /* configure this interface as master for split display */
  536. if (phys_enc->split_role == ENC_ROLE_MASTER)
  537. intf_cfg->intf_master = phys_enc->hw_intf->idx;
  538. /* setup which pp blk will connect to this intf */
  539. if (phys_enc->hw_intf->ops.bind_pingpong_blk)
  540. phys_enc->hw_intf->ops.bind_pingpong_blk(
  541. phys_enc->hw_intf,
  542. true,
  543. phys_enc->hw_pp->idx);
  544. /*setup merge_3d configuration */
  545. mode_3d = sde_encoder_helper_get_3d_blend_mode(phys_enc);
  546. if (mode_3d && phys_enc->hw_pp->merge_3d &&
  547. intf_cfg->merge_3d_count < MAX_MERGE_3D_PER_CTL_V1)
  548. intf_cfg->merge_3d[intf_cfg->merge_3d_count++] =
  549. phys_enc->hw_pp->merge_3d->idx;
  550. if (phys_enc->hw_pp->ops.setup_3d_mode)
  551. phys_enc->hw_pp->ops.setup_3d_mode(phys_enc->hw_pp,
  552. mode_3d);
  553. }
  554. void sde_encoder_helper_split_config(
  555. struct sde_encoder_phys *phys_enc,
  556. enum sde_intf interface)
  557. {
  558. struct sde_encoder_virt *sde_enc;
  559. struct split_pipe_cfg *cfg;
  560. struct sde_hw_mdp *hw_mdptop;
  561. enum sde_rm_topology_name topology;
  562. struct msm_display_info *disp_info;
  563. if (!phys_enc || !phys_enc->hw_mdptop || !phys_enc->parent) {
  564. SDE_ERROR("invalid arg(s), encoder %d\n", !phys_enc);
  565. return;
  566. }
  567. sde_enc = to_sde_encoder_virt(phys_enc->parent);
  568. hw_mdptop = phys_enc->hw_mdptop;
  569. disp_info = &sde_enc->disp_info;
  570. cfg = &phys_enc->hw_intf->cfg;
  571. memset(cfg, 0, sizeof(*cfg));
  572. if (disp_info->intf_type != DRM_MODE_CONNECTOR_DSI)
  573. return;
  574. if (disp_info->capabilities & MSM_DISPLAY_SPLIT_LINK)
  575. cfg->split_link_en = true;
  576. /**
  577. * disable split modes since encoder will be operating in as the only
  578. * encoder, either for the entire use case in the case of, for example,
  579. * single DSI, or for this frame in the case of left/right only partial
  580. * update.
  581. */
  582. if (phys_enc->split_role == ENC_ROLE_SOLO) {
  583. if (hw_mdptop->ops.setup_split_pipe)
  584. hw_mdptop->ops.setup_split_pipe(hw_mdptop, cfg);
  585. if (hw_mdptop->ops.setup_pp_split)
  586. hw_mdptop->ops.setup_pp_split(hw_mdptop, cfg);
  587. return;
  588. }
  589. cfg->en = true;
  590. cfg->mode = phys_enc->intf_mode;
  591. cfg->intf = interface;
  592. if (cfg->en && phys_enc->ops.needs_single_flush &&
  593. phys_enc->ops.needs_single_flush(phys_enc))
  594. cfg->split_flush_en = true;
  595. topology = sde_connector_get_topology_name(phys_enc->connector);
  596. if (topology == SDE_RM_TOPOLOGY_PPSPLIT)
  597. cfg->pp_split_slave = cfg->intf;
  598. else
  599. cfg->pp_split_slave = INTF_MAX;
  600. if (phys_enc->split_role == ENC_ROLE_MASTER) {
  601. SDE_DEBUG_ENC(sde_enc, "enable %d\n", cfg->en);
  602. if (hw_mdptop->ops.setup_split_pipe)
  603. hw_mdptop->ops.setup_split_pipe(hw_mdptop, cfg);
  604. } else if (sde_enc->hw_pp[0]) {
  605. /*
  606. * slave encoder
  607. * - determine split index from master index,
  608. * assume master is first pp
  609. */
  610. cfg->pp_split_index = sde_enc->hw_pp[0]->idx - PINGPONG_0;
  611. SDE_DEBUG_ENC(sde_enc, "master using pp%d\n",
  612. cfg->pp_split_index);
  613. if (hw_mdptop->ops.setup_pp_split)
  614. hw_mdptop->ops.setup_pp_split(hw_mdptop, cfg);
  615. }
  616. }
  617. bool sde_encoder_in_clone_mode(struct drm_encoder *drm_enc)
  618. {
  619. struct sde_encoder_virt *sde_enc;
  620. int i = 0;
  621. if (!drm_enc)
  622. return false;
  623. sde_enc = to_sde_encoder_virt(drm_enc);
  624. if (!sde_enc)
  625. return false;
  626. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  627. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  628. if (phys && phys->in_clone_mode)
  629. return true;
  630. }
  631. return false;
  632. }
  633. bool sde_encoder_is_cwb_disabling(struct drm_encoder *drm_enc,
  634. struct drm_crtc *crtc)
  635. {
  636. struct sde_encoder_virt *sde_enc;
  637. int i;
  638. if (!drm_enc)
  639. return false;
  640. sde_enc = to_sde_encoder_virt(drm_enc);
  641. if (sde_enc->disp_info.intf_type != DRM_MODE_CONNECTOR_VIRTUAL)
  642. return false;
  643. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  644. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  645. if (sde_encoder_phys_is_cwb_disabling(phys, crtc))
  646. return true;
  647. }
  648. return false;
  649. }
  650. static int _sde_encoder_atomic_check_phys_enc(struct sde_encoder_virt *sde_enc,
  651. struct drm_crtc_state *crtc_state,
  652. struct drm_connector_state *conn_state)
  653. {
  654. const struct drm_display_mode *mode;
  655. struct drm_display_mode *adj_mode;
  656. int i = 0;
  657. int ret = 0;
  658. mode = &crtc_state->mode;
  659. adj_mode = &crtc_state->adjusted_mode;
  660. /* perform atomic check on the first physical encoder (master) */
  661. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  662. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  663. if (phys && phys->ops.atomic_check)
  664. ret = phys->ops.atomic_check(phys, crtc_state,
  665. conn_state);
  666. else if (phys && phys->ops.mode_fixup)
  667. if (!phys->ops.mode_fixup(phys, mode, adj_mode))
  668. ret = -EINVAL;
  669. if (ret) {
  670. SDE_ERROR_ENC(sde_enc,
  671. "mode unsupported, phys idx %d\n", i);
  672. break;
  673. }
  674. }
  675. return ret;
  676. }
  677. static int _sde_encoder_atomic_check_pu_roi(struct sde_encoder_virt *sde_enc,
  678. struct drm_crtc_state *crtc_state,
  679. struct drm_connector_state *conn_state,
  680. struct sde_connector_state *sde_conn_state,
  681. struct sde_crtc_state *sde_crtc_state)
  682. {
  683. int ret = 0;
  684. if (crtc_state->mode_changed || crtc_state->active_changed) {
  685. struct sde_rect mode_roi, roi;
  686. mode_roi.x = 0;
  687. mode_roi.y = 0;
  688. mode_roi.w = crtc_state->adjusted_mode.hdisplay;
  689. mode_roi.h = crtc_state->adjusted_mode.vdisplay;
  690. if (sde_conn_state->rois.num_rects) {
  691. sde_kms_rect_merge_rectangles(
  692. &sde_conn_state->rois, &roi);
  693. if (!sde_kms_rect_is_equal(&mode_roi, &roi)) {
  694. SDE_ERROR_ENC(sde_enc,
  695. "roi (%d,%d,%d,%d) on connector invalid during modeset\n",
  696. roi.x, roi.y, roi.w, roi.h);
  697. ret = -EINVAL;
  698. }
  699. }
  700. if (sde_crtc_state->user_roi_list.num_rects) {
  701. sde_kms_rect_merge_rectangles(
  702. &sde_crtc_state->user_roi_list, &roi);
  703. if (!sde_kms_rect_is_equal(&mode_roi, &roi)) {
  704. SDE_ERROR_ENC(sde_enc,
  705. "roi (%d,%d,%d,%d) on crtc invalid during modeset\n",
  706. roi.x, roi.y, roi.w, roi.h);
  707. ret = -EINVAL;
  708. }
  709. }
  710. }
  711. return ret;
  712. }
  713. static int _sde_encoder_atomic_check_reserve(struct drm_encoder *drm_enc,
  714. struct drm_crtc_state *crtc_state,
  715. struct drm_connector_state *conn_state,
  716. struct sde_encoder_virt *sde_enc, struct sde_kms *sde_kms,
  717. struct sde_connector *sde_conn,
  718. struct sde_connector_state *sde_conn_state)
  719. {
  720. int ret = 0;
  721. struct drm_display_mode *adj_mode = &crtc_state->adjusted_mode;
  722. if (sde_conn && drm_atomic_crtc_needs_modeset(crtc_state)) {
  723. struct msm_display_topology *topology = NULL;
  724. ret = sde_connector_get_mode_info(&sde_conn->base,
  725. adj_mode, &sde_conn_state->mode_info);
  726. if (ret) {
  727. SDE_ERROR_ENC(sde_enc,
  728. "failed to get mode info, rc = %d\n", ret);
  729. return ret;
  730. }
  731. if (sde_conn_state->mode_info.comp_info.comp_type &&
  732. sde_conn_state->mode_info.comp_info.comp_ratio >=
  733. MSM_DISPLAY_COMPRESSION_RATIO_MAX) {
  734. SDE_ERROR_ENC(sde_enc,
  735. "invalid compression ratio: %d\n",
  736. sde_conn_state->mode_info.comp_info.comp_ratio);
  737. ret = -EINVAL;
  738. return ret;
  739. }
  740. /* Reserve dynamic resources, indicating atomic_check phase */
  741. ret = sde_rm_reserve(&sde_kms->rm, drm_enc, crtc_state,
  742. conn_state, true);
  743. if (ret) {
  744. SDE_ERROR_ENC(sde_enc,
  745. "RM failed to reserve resources, rc = %d\n",
  746. ret);
  747. return ret;
  748. }
  749. /**
  750. * Update connector state with the topology selected for the
  751. * resource set validated. Reset the topology if we are
  752. * de-activating crtc.
  753. */
  754. if (crtc_state->active)
  755. topology = &sde_conn_state->mode_info.topology;
  756. ret = sde_rm_update_topology(&sde_kms->rm,
  757. conn_state, topology);
  758. if (ret) {
  759. SDE_ERROR_ENC(sde_enc,
  760. "RM failed to update topology, rc: %d\n", ret);
  761. return ret;
  762. }
  763. ret = sde_connector_set_blob_data(conn_state->connector,
  764. conn_state,
  765. CONNECTOR_PROP_SDE_INFO);
  766. if (ret) {
  767. SDE_ERROR_ENC(sde_enc,
  768. "connector failed to update info, rc: %d\n",
  769. ret);
  770. return ret;
  771. }
  772. }
  773. return ret;
  774. }
  775. static int sde_encoder_virt_atomic_check(
  776. struct drm_encoder *drm_enc, struct drm_crtc_state *crtc_state,
  777. struct drm_connector_state *conn_state)
  778. {
  779. struct sde_encoder_virt *sde_enc;
  780. struct sde_kms *sde_kms;
  781. const struct drm_display_mode *mode;
  782. struct drm_display_mode *adj_mode;
  783. struct sde_connector *sde_conn = NULL;
  784. struct sde_connector_state *sde_conn_state = NULL;
  785. struct sde_crtc_state *sde_crtc_state = NULL;
  786. enum sde_rm_topology_name old_top;
  787. int ret = 0;
  788. if (!drm_enc || !crtc_state || !conn_state) {
  789. SDE_ERROR("invalid arg(s), drm_enc %d, crtc/conn state %d/%d\n",
  790. !drm_enc, !crtc_state, !conn_state);
  791. return -EINVAL;
  792. }
  793. sde_enc = to_sde_encoder_virt(drm_enc);
  794. SDE_DEBUG_ENC(sde_enc, "\n");
  795. sde_kms = sde_encoder_get_kms(drm_enc);
  796. if (!sde_kms)
  797. return -EINVAL;
  798. mode = &crtc_state->mode;
  799. adj_mode = &crtc_state->adjusted_mode;
  800. sde_conn = to_sde_connector(conn_state->connector);
  801. sde_conn_state = to_sde_connector_state(conn_state);
  802. sde_crtc_state = to_sde_crtc_state(crtc_state);
  803. SDE_EVT32(DRMID(drm_enc), crtc_state->mode_changed,
  804. crtc_state->active_changed, crtc_state->connectors_changed);
  805. ret = _sde_encoder_atomic_check_phys_enc(sde_enc, crtc_state,
  806. conn_state);
  807. if (ret)
  808. return ret;
  809. ret = _sde_encoder_atomic_check_pu_roi(sde_enc, crtc_state,
  810. conn_state, sde_conn_state, sde_crtc_state);
  811. if (ret)
  812. return ret;
  813. /**
  814. * record topology in previous atomic state to be able to handle
  815. * topology transitions correctly.
  816. */
  817. old_top = sde_connector_get_property(conn_state,
  818. CONNECTOR_PROP_TOPOLOGY_NAME);
  819. ret = sde_connector_set_old_topology_name(conn_state, old_top);
  820. if (ret)
  821. return ret;
  822. ret = _sde_encoder_atomic_check_reserve(drm_enc, crtc_state,
  823. conn_state, sde_enc, sde_kms, sde_conn, sde_conn_state);
  824. if (ret)
  825. return ret;
  826. ret = sde_connector_roi_v1_check_roi(conn_state);
  827. if (ret) {
  828. SDE_ERROR_ENC(sde_enc, "connector roi check failed, rc: %d",
  829. ret);
  830. return ret;
  831. }
  832. drm_mode_set_crtcinfo(adj_mode, 0);
  833. SDE_EVT32(DRMID(drm_enc), adj_mode->flags, adj_mode->private_flags);
  834. return ret;
  835. }
  836. static void _sde_encoder_get_connector_roi(
  837. struct sde_encoder_virt *sde_enc,
  838. struct sde_rect *merged_conn_roi)
  839. {
  840. struct drm_connector *drm_conn;
  841. struct sde_connector_state *c_state;
  842. if (!sde_enc || !merged_conn_roi)
  843. return;
  844. drm_conn = sde_enc->phys_encs[0]->connector;
  845. if (!drm_conn || !drm_conn->state)
  846. return;
  847. c_state = to_sde_connector_state(drm_conn->state);
  848. sde_kms_rect_merge_rectangles(&c_state->rois, merged_conn_roi);
  849. }
  850. static int _sde_encoder_update_roi(struct drm_encoder *drm_enc)
  851. {
  852. struct sde_encoder_virt *sde_enc;
  853. struct drm_connector *drm_conn;
  854. struct drm_display_mode *adj_mode;
  855. struct sde_rect roi;
  856. if (!drm_enc) {
  857. SDE_ERROR("invalid encoder parameter\n");
  858. return -EINVAL;
  859. }
  860. sde_enc = to_sde_encoder_virt(drm_enc);
  861. if (!sde_enc->crtc || !sde_enc->crtc->state) {
  862. SDE_ERROR("invalid crtc parameter\n");
  863. return -EINVAL;
  864. }
  865. if (!sde_enc->cur_master) {
  866. SDE_ERROR("invalid cur_master parameter\n");
  867. return -EINVAL;
  868. }
  869. adj_mode = &sde_enc->cur_master->cached_mode;
  870. drm_conn = sde_enc->cur_master->connector;
  871. _sde_encoder_get_connector_roi(sde_enc, &roi);
  872. if (sde_kms_rect_is_null(&roi)) {
  873. roi.w = adj_mode->hdisplay;
  874. roi.h = adj_mode->vdisplay;
  875. }
  876. memcpy(&sde_enc->prv_conn_roi, &sde_enc->cur_conn_roi,
  877. sizeof(sde_enc->prv_conn_roi));
  878. memcpy(&sde_enc->cur_conn_roi, &roi, sizeof(sde_enc->cur_conn_roi));
  879. return 0;
  880. }
  881. void sde_encoder_helper_vsync_config(struct sde_encoder_phys *phys_enc,
  882. u32 vsync_source, bool is_dummy)
  883. {
  884. struct sde_vsync_source_cfg vsync_cfg = { 0 };
  885. struct sde_kms *sde_kms;
  886. struct sde_hw_mdp *hw_mdptop;
  887. struct sde_encoder_virt *sde_enc;
  888. int i;
  889. sde_enc = to_sde_encoder_virt(phys_enc->parent);
  890. if (!sde_enc) {
  891. SDE_ERROR("invalid param sde_enc:%d\n", sde_enc != NULL);
  892. return;
  893. } else if (sde_enc->num_phys_encs > ARRAY_SIZE(sde_enc->hw_pp)) {
  894. SDE_ERROR("invalid num phys enc %d/%d\n",
  895. sde_enc->num_phys_encs,
  896. (int) ARRAY_SIZE(sde_enc->hw_pp));
  897. return;
  898. }
  899. sde_kms = sde_encoder_get_kms(&sde_enc->base);
  900. if (!sde_kms) {
  901. SDE_ERROR("invalid sde_kms\n");
  902. return;
  903. }
  904. hw_mdptop = sde_kms->hw_mdp;
  905. if (!hw_mdptop) {
  906. SDE_ERROR("invalid mdptop\n");
  907. return;
  908. }
  909. if (hw_mdptop->ops.setup_vsync_source) {
  910. for (i = 0; i < sde_enc->num_phys_encs; i++)
  911. vsync_cfg.ppnumber[i] = sde_enc->hw_pp[i]->idx;
  912. vsync_cfg.pp_count = sde_enc->num_phys_encs;
  913. vsync_cfg.frame_rate = sde_enc->mode_info.frame_rate;
  914. vsync_cfg.vsync_source = vsync_source;
  915. vsync_cfg.is_dummy = is_dummy;
  916. hw_mdptop->ops.setup_vsync_source(hw_mdptop, &vsync_cfg);
  917. }
  918. }
  919. static void _sde_encoder_update_vsync_source(struct sde_encoder_virt *sde_enc,
  920. struct msm_display_info *disp_info, bool is_dummy)
  921. {
  922. struct sde_encoder_phys *phys;
  923. int i;
  924. u32 vsync_source;
  925. if (!sde_enc || !disp_info) {
  926. SDE_ERROR("invalid param sde_enc:%d or disp_info:%d\n",
  927. sde_enc != NULL, disp_info != NULL);
  928. return;
  929. } else if (sde_enc->num_phys_encs > ARRAY_SIZE(sde_enc->hw_pp)) {
  930. SDE_ERROR("invalid num phys enc %d/%d\n",
  931. sde_enc->num_phys_encs,
  932. (int) ARRAY_SIZE(sde_enc->hw_pp));
  933. return;
  934. }
  935. if (sde_encoder_check_curr_mode(&sde_enc->base, MSM_DISPLAY_CMD_MODE)) {
  936. if (is_dummy)
  937. vsync_source = SDE_VSYNC_SOURCE_WD_TIMER_0 -
  938. sde_enc->te_source;
  939. else if (disp_info->is_te_using_watchdog_timer)
  940. vsync_source = SDE_VSYNC_SOURCE_WD_TIMER_4 +
  941. sde_enc->te_source;
  942. else
  943. vsync_source = sde_enc->te_source;
  944. SDE_EVT32(DRMID(&sde_enc->base), vsync_source, is_dummy,
  945. disp_info->is_te_using_watchdog_timer);
  946. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  947. phys = sde_enc->phys_encs[i];
  948. if (phys && phys->ops.setup_vsync_source)
  949. phys->ops.setup_vsync_source(phys,
  950. vsync_source, is_dummy);
  951. }
  952. }
  953. }
  954. int sde_encoder_helper_switch_vsync(struct drm_encoder *drm_enc,
  955. bool watchdog_te)
  956. {
  957. struct sde_encoder_virt *sde_enc;
  958. struct msm_display_info disp_info;
  959. if (!drm_enc) {
  960. pr_err("invalid drm encoder\n");
  961. return -EINVAL;
  962. }
  963. sde_enc = to_sde_encoder_virt(drm_enc);
  964. sde_encoder_control_te(drm_enc, false);
  965. memcpy(&disp_info, &sde_enc->disp_info, sizeof(disp_info));
  966. disp_info.is_te_using_watchdog_timer = watchdog_te;
  967. _sde_encoder_update_vsync_source(sde_enc, &disp_info, false);
  968. sde_encoder_control_te(drm_enc, true);
  969. return 0;
  970. }
  971. static int _sde_encoder_rsc_client_update_vsync_wait(
  972. struct drm_encoder *drm_enc, struct sde_encoder_virt *sde_enc,
  973. int wait_vblank_crtc_id)
  974. {
  975. int wait_refcount = 0, ret = 0;
  976. int pipe = -1;
  977. int wait_count = 0;
  978. struct drm_crtc *primary_crtc;
  979. struct drm_crtc *crtc;
  980. crtc = sde_enc->crtc;
  981. if (wait_vblank_crtc_id)
  982. wait_refcount =
  983. sde_rsc_client_get_vsync_refcount(sde_enc->rsc_client);
  984. SDE_EVT32_VERBOSE(DRMID(drm_enc), wait_vblank_crtc_id, wait_refcount,
  985. SDE_EVTLOG_FUNC_ENTRY);
  986. if (crtc->base.id != wait_vblank_crtc_id) {
  987. primary_crtc = drm_crtc_find(drm_enc->dev,
  988. NULL, wait_vblank_crtc_id);
  989. if (!primary_crtc) {
  990. SDE_ERROR_ENC(sde_enc,
  991. "failed to find primary crtc id %d\n",
  992. wait_vblank_crtc_id);
  993. return -EINVAL;
  994. }
  995. pipe = drm_crtc_index(primary_crtc);
  996. }
  997. /**
  998. * note: VBLANK is expected to be enabled at this point in
  999. * resource control state machine if on primary CRTC
  1000. */
  1001. for (wait_count = 0; wait_count < MAX_RSC_WAIT; wait_count++) {
  1002. if (sde_rsc_client_is_state_update_complete(
  1003. sde_enc->rsc_client))
  1004. break;
  1005. if (crtc->base.id == wait_vblank_crtc_id)
  1006. ret = sde_encoder_wait_for_event(drm_enc,
  1007. MSM_ENC_VBLANK);
  1008. else
  1009. drm_wait_one_vblank(drm_enc->dev, pipe);
  1010. if (ret) {
  1011. SDE_ERROR_ENC(sde_enc,
  1012. "wait for vblank failed ret:%d\n", ret);
  1013. /**
  1014. * rsc hardware may hang without vsync. avoid rsc hang
  1015. * by generating the vsync from watchdog timer.
  1016. */
  1017. if (crtc->base.id == wait_vblank_crtc_id)
  1018. sde_encoder_helper_switch_vsync(drm_enc, true);
  1019. }
  1020. }
  1021. if (wait_count >= MAX_RSC_WAIT)
  1022. SDE_EVT32(DRMID(drm_enc), wait_vblank_crtc_id, wait_count,
  1023. SDE_EVTLOG_ERROR);
  1024. if (wait_refcount)
  1025. sde_rsc_client_reset_vsync_refcount(sde_enc->rsc_client);
  1026. SDE_EVT32_VERBOSE(DRMID(drm_enc), wait_vblank_crtc_id, wait_refcount,
  1027. SDE_EVTLOG_FUNC_EXIT);
  1028. return ret;
  1029. }
  1030. static int _sde_encoder_update_rsc_client(
  1031. struct drm_encoder *drm_enc, bool enable)
  1032. {
  1033. struct sde_encoder_virt *sde_enc;
  1034. struct drm_crtc *crtc;
  1035. enum sde_rsc_state rsc_state = SDE_RSC_IDLE_STATE;
  1036. struct sde_rsc_cmd_config *rsc_config;
  1037. int ret;
  1038. struct msm_display_info *disp_info;
  1039. struct msm_mode_info *mode_info;
  1040. int wait_vblank_crtc_id = SDE_RSC_INVALID_CRTC_ID;
  1041. u32 qsync_mode = 0, v_front_porch;
  1042. struct drm_display_mode *mode;
  1043. bool is_vid_mode;
  1044. struct drm_encoder *enc;
  1045. if (!drm_enc || !drm_enc->dev) {
  1046. SDE_ERROR("invalid encoder arguments\n");
  1047. return -EINVAL;
  1048. }
  1049. sde_enc = to_sde_encoder_virt(drm_enc);
  1050. mode_info = &sde_enc->mode_info;
  1051. crtc = sde_enc->crtc;
  1052. if (!sde_enc->crtc) {
  1053. SDE_ERROR("invalid crtc parameter\n");
  1054. return -EINVAL;
  1055. }
  1056. disp_info = &sde_enc->disp_info;
  1057. rsc_config = &sde_enc->rsc_config;
  1058. if (!sde_enc->rsc_client) {
  1059. SDE_DEBUG_ENC(sde_enc, "rsc client not created\n");
  1060. return 0;
  1061. }
  1062. /**
  1063. * only primary command mode panel without Qsync can request CMD state.
  1064. * all other panels/displays can request for VID state including
  1065. * secondary command mode panel.
  1066. * Clone mode encoder can request CLK STATE only.
  1067. */
  1068. if (sde_enc->cur_master)
  1069. qsync_mode = sde_connector_get_qsync_mode(
  1070. sde_enc->cur_master->connector);
  1071. /* left primary encoder keep vote */
  1072. if (sde_encoder_in_clone_mode(drm_enc)) {
  1073. SDE_EVT32(rsc_state, SDE_EVTLOG_FUNC_CASE1);
  1074. return 0;
  1075. }
  1076. if ((disp_info->display_type != SDE_CONNECTOR_PRIMARY) ||
  1077. (disp_info->display_type && qsync_mode))
  1078. rsc_state = enable ? SDE_RSC_CLK_STATE : SDE_RSC_IDLE_STATE;
  1079. else if (sde_encoder_check_curr_mode(drm_enc, MSM_DISPLAY_CMD_MODE))
  1080. rsc_state = enable ? SDE_RSC_CMD_STATE : SDE_RSC_IDLE_STATE;
  1081. else if (sde_encoder_check_curr_mode(drm_enc, MSM_DISPLAY_VIDEO_MODE))
  1082. rsc_state = enable ? SDE_RSC_VID_STATE : SDE_RSC_IDLE_STATE;
  1083. drm_for_each_encoder(enc, drm_enc->dev) {
  1084. if (enc->base.id != drm_enc->base.id &&
  1085. sde_encoder_in_cont_splash(enc))
  1086. rsc_state = SDE_RSC_CLK_STATE;
  1087. }
  1088. SDE_EVT32(rsc_state, qsync_mode);
  1089. is_vid_mode = sde_encoder_check_curr_mode(&sde_enc->base,
  1090. MSM_DISPLAY_VIDEO_MODE);
  1091. mode = &sde_enc->crtc->state->mode;
  1092. v_front_porch = mode->vsync_start - mode->vdisplay;
  1093. /* compare specific items and reconfigure the rsc */
  1094. if ((rsc_config->fps != mode_info->frame_rate) ||
  1095. (rsc_config->vtotal != mode_info->vtotal) ||
  1096. (rsc_config->prefill_lines != mode_info->prefill_lines) ||
  1097. (rsc_config->jitter_numer != mode_info->jitter_numer) ||
  1098. (rsc_config->jitter_denom != mode_info->jitter_denom)) {
  1099. rsc_config->fps = mode_info->frame_rate;
  1100. rsc_config->vtotal = mode_info->vtotal;
  1101. /*
  1102. * for video mode, prefill lines should not go beyond vertical
  1103. * front porch for RSCC configuration. This will ensure bw
  1104. * downvotes are not sent within the active region. Additional
  1105. * -1 is to give one line time for rscc mode min_threshold.
  1106. */
  1107. if (is_vid_mode && (mode_info->prefill_lines >= v_front_porch))
  1108. rsc_config->prefill_lines = v_front_porch - 1;
  1109. else
  1110. rsc_config->prefill_lines = mode_info->prefill_lines;
  1111. rsc_config->jitter_numer = mode_info->jitter_numer;
  1112. rsc_config->jitter_denom = mode_info->jitter_denom;
  1113. sde_enc->rsc_state_init = false;
  1114. }
  1115. if (rsc_state != SDE_RSC_IDLE_STATE && !sde_enc->rsc_state_init
  1116. && (disp_info->display_type == SDE_CONNECTOR_PRIMARY)) {
  1117. /* update it only once */
  1118. sde_enc->rsc_state_init = true;
  1119. ret = sde_rsc_client_state_update(sde_enc->rsc_client,
  1120. rsc_state, rsc_config, crtc->base.id,
  1121. &wait_vblank_crtc_id);
  1122. } else {
  1123. ret = sde_rsc_client_state_update(sde_enc->rsc_client,
  1124. rsc_state, NULL, crtc->base.id,
  1125. &wait_vblank_crtc_id);
  1126. }
  1127. /**
  1128. * if RSC performed a state change that requires a VBLANK wait, it will
  1129. * set wait_vblank_crtc_id to the CRTC whose VBLANK we must wait on.
  1130. *
  1131. * if we are the primary display, we will need to enable and wait
  1132. * locally since we hold the commit thread
  1133. *
  1134. * if we are an external display, we must send a signal to the primary
  1135. * to enable its VBLANK and wait one, since the RSC hardware is driven
  1136. * by the primary panel's VBLANK signals
  1137. */
  1138. SDE_EVT32_VERBOSE(DRMID(drm_enc), wait_vblank_crtc_id);
  1139. if (ret) {
  1140. SDE_ERROR_ENC(sde_enc,
  1141. "sde rsc client update failed ret:%d\n", ret);
  1142. return ret;
  1143. } else if (wait_vblank_crtc_id == SDE_RSC_INVALID_CRTC_ID) {
  1144. return ret;
  1145. }
  1146. ret = _sde_encoder_rsc_client_update_vsync_wait(drm_enc,
  1147. sde_enc, wait_vblank_crtc_id);
  1148. return ret;
  1149. }
  1150. void sde_encoder_irq_control(struct drm_encoder *drm_enc, bool enable)
  1151. {
  1152. struct sde_encoder_virt *sde_enc;
  1153. int i;
  1154. if (!drm_enc) {
  1155. SDE_ERROR("invalid encoder\n");
  1156. return;
  1157. }
  1158. sde_enc = to_sde_encoder_virt(drm_enc);
  1159. SDE_DEBUG_ENC(sde_enc, "enable:%d\n", enable);
  1160. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  1161. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  1162. if (phys && phys->ops.irq_control)
  1163. phys->ops.irq_control(phys, enable);
  1164. }
  1165. sde_kms_cpu_vote_for_irq(sde_encoder_get_kms(drm_enc), enable);
  1166. }
  1167. /* keep track of the userspace vblank during modeset */
  1168. static void _sde_encoder_modeset_helper_locked(struct drm_encoder *drm_enc,
  1169. u32 sw_event)
  1170. {
  1171. struct sde_encoder_virt *sde_enc;
  1172. bool enable;
  1173. int i;
  1174. if (!drm_enc) {
  1175. SDE_ERROR("invalid encoder\n");
  1176. return;
  1177. }
  1178. sde_enc = to_sde_encoder_virt(drm_enc);
  1179. SDE_DEBUG_ENC(sde_enc, "sw_event:%d, vblank_enabled:%d\n",
  1180. sw_event, sde_enc->vblank_enabled);
  1181. /* nothing to do if vblank not enabled by userspace */
  1182. if (!sde_enc->vblank_enabled)
  1183. return;
  1184. /* disable vblank on pre_modeset */
  1185. if (sw_event == SDE_ENC_RC_EVENT_PRE_MODESET)
  1186. enable = false;
  1187. /* enable vblank on post_modeset */
  1188. else if (sw_event == SDE_ENC_RC_EVENT_POST_MODESET)
  1189. enable = true;
  1190. else
  1191. return;
  1192. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  1193. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  1194. if (phys && phys->ops.control_vblank_irq)
  1195. phys->ops.control_vblank_irq(phys, enable);
  1196. }
  1197. }
  1198. struct sde_rsc_client *sde_encoder_get_rsc_client(struct drm_encoder *drm_enc)
  1199. {
  1200. struct sde_encoder_virt *sde_enc;
  1201. if (!drm_enc)
  1202. return NULL;
  1203. sde_enc = to_sde_encoder_virt(drm_enc);
  1204. return sde_enc->rsc_client;
  1205. }
  1206. static int _sde_encoder_resource_control_helper(struct drm_encoder *drm_enc,
  1207. bool enable)
  1208. {
  1209. struct sde_kms *sde_kms;
  1210. struct sde_encoder_virt *sde_enc;
  1211. int rc;
  1212. sde_enc = to_sde_encoder_virt(drm_enc);
  1213. sde_kms = sde_encoder_get_kms(drm_enc);
  1214. if (!sde_kms)
  1215. return -EINVAL;
  1216. SDE_DEBUG_ENC(sde_enc, "enable:%d\n", enable);
  1217. SDE_EVT32(DRMID(drm_enc), enable);
  1218. if (!sde_enc->cur_master) {
  1219. SDE_ERROR("encoder master not set\n");
  1220. return -EINVAL;
  1221. }
  1222. if (enable) {
  1223. /* enable SDE core clks */
  1224. rc = pm_runtime_get_sync(drm_enc->dev->dev);
  1225. if (rc < 0) {
  1226. SDE_ERROR("failed to enable power resource %d\n", rc);
  1227. SDE_EVT32(rc, SDE_EVTLOG_ERROR);
  1228. return rc;
  1229. }
  1230. sde_enc->elevated_ahb_vote = true;
  1231. /* enable DSI clks */
  1232. rc = sde_connector_clk_ctrl(sde_enc->cur_master->connector,
  1233. true);
  1234. if (rc) {
  1235. SDE_ERROR("failed to enable clk control %d\n", rc);
  1236. pm_runtime_put_sync(drm_enc->dev->dev);
  1237. return rc;
  1238. }
  1239. /* enable all the irq */
  1240. sde_encoder_irq_control(drm_enc, true);
  1241. _sde_encoder_pm_qos_add_request(drm_enc);
  1242. } else {
  1243. _sde_encoder_pm_qos_remove_request(drm_enc);
  1244. /* disable all the irq */
  1245. sde_encoder_irq_control(drm_enc, false);
  1246. /* disable DSI clks */
  1247. sde_connector_clk_ctrl(sde_enc->cur_master->connector, false);
  1248. /* disable SDE core clks */
  1249. pm_runtime_put_sync(drm_enc->dev->dev);
  1250. }
  1251. return 0;
  1252. }
  1253. static void sde_encoder_misr_configure(struct drm_encoder *drm_enc,
  1254. bool enable, u32 frame_count)
  1255. {
  1256. struct sde_encoder_virt *sde_enc;
  1257. int i;
  1258. if (!drm_enc) {
  1259. SDE_ERROR("invalid encoder\n");
  1260. return;
  1261. }
  1262. sde_enc = to_sde_encoder_virt(drm_enc);
  1263. if (!sde_enc->misr_reconfigure)
  1264. return;
  1265. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  1266. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  1267. if (!phys || !phys->ops.setup_misr)
  1268. continue;
  1269. phys->ops.setup_misr(phys, enable, frame_count);
  1270. }
  1271. sde_enc->misr_reconfigure = false;
  1272. }
  1273. static void sde_encoder_input_event_handler(struct input_handle *handle,
  1274. unsigned int type, unsigned int code, int value)
  1275. {
  1276. struct drm_encoder *drm_enc = NULL;
  1277. struct sde_encoder_virt *sde_enc = NULL;
  1278. struct msm_drm_thread *disp_thread = NULL;
  1279. struct msm_drm_private *priv = NULL;
  1280. if (!handle || !handle->handler || !handle->handler->private) {
  1281. SDE_ERROR("invalid encoder for the input event\n");
  1282. return;
  1283. }
  1284. drm_enc = (struct drm_encoder *)handle->handler->private;
  1285. if (!drm_enc->dev || !drm_enc->dev->dev_private) {
  1286. SDE_ERROR("invalid parameters\n");
  1287. return;
  1288. }
  1289. priv = drm_enc->dev->dev_private;
  1290. sde_enc = to_sde_encoder_virt(drm_enc);
  1291. if (!sde_enc->crtc || (sde_enc->crtc->index
  1292. >= ARRAY_SIZE(priv->disp_thread))) {
  1293. SDE_DEBUG_ENC(sde_enc,
  1294. "invalid cached CRTC: %d or crtc index: %d\n",
  1295. sde_enc->crtc == NULL,
  1296. sde_enc->crtc ? sde_enc->crtc->index : -EINVAL);
  1297. return;
  1298. }
  1299. SDE_EVT32_VERBOSE(DRMID(drm_enc));
  1300. disp_thread = &priv->disp_thread[sde_enc->crtc->index];
  1301. kthread_queue_work(&disp_thread->worker,
  1302. &sde_enc->input_event_work);
  1303. }
  1304. void sde_encoder_control_idle_pc(struct drm_encoder *drm_enc, bool enable)
  1305. {
  1306. struct sde_encoder_virt *sde_enc;
  1307. if (!drm_enc) {
  1308. SDE_ERROR("invalid encoder\n");
  1309. return;
  1310. }
  1311. sde_enc = to_sde_encoder_virt(drm_enc);
  1312. /* return early if there is no state change */
  1313. if (sde_enc->idle_pc_enabled == enable)
  1314. return;
  1315. sde_enc->idle_pc_enabled = enable;
  1316. SDE_DEBUG("idle-pc state:%d\n", sde_enc->idle_pc_enabled);
  1317. SDE_EVT32(sde_enc->idle_pc_enabled);
  1318. }
  1319. static void _sde_encoder_rc_restart_delayed(struct sde_encoder_virt *sde_enc,
  1320. u32 sw_event)
  1321. {
  1322. struct drm_encoder *drm_enc = &sde_enc->base;
  1323. struct msm_drm_private *priv;
  1324. unsigned int lp, idle_pc_duration;
  1325. struct msm_drm_thread *disp_thread;
  1326. /* set idle timeout based on master connector's lp value */
  1327. if (sde_enc->cur_master)
  1328. lp = sde_connector_get_lp(
  1329. sde_enc->cur_master->connector);
  1330. else
  1331. lp = SDE_MODE_DPMS_ON;
  1332. if (lp == SDE_MODE_DPMS_LP2)
  1333. idle_pc_duration = IDLE_SHORT_TIMEOUT;
  1334. else
  1335. idle_pc_duration = IDLE_POWERCOLLAPSE_DURATION;
  1336. priv = drm_enc->dev->dev_private;
  1337. disp_thread = &priv->disp_thread[sde_enc->crtc->index];
  1338. kthread_mod_delayed_work(
  1339. &disp_thread->worker,
  1340. &sde_enc->delayed_off_work,
  1341. msecs_to_jiffies(idle_pc_duration));
  1342. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1343. idle_pc_duration, SDE_EVTLOG_FUNC_CASE2);
  1344. SDE_DEBUG_ENC(sde_enc, "sw_event:%d, work scheduled\n",
  1345. sw_event);
  1346. }
  1347. static void _sde_encoder_rc_cancel_delayed(struct sde_encoder_virt *sde_enc,
  1348. u32 sw_event)
  1349. {
  1350. if (kthread_cancel_delayed_work_sync(&sde_enc->delayed_off_work))
  1351. SDE_DEBUG_ENC(sde_enc, "sw_event:%d, work cancelled\n",
  1352. sw_event);
  1353. }
  1354. static void _sde_encoder_rc_kickoff_delayed(struct sde_encoder_virt *sde_enc,
  1355. u32 sw_event)
  1356. {
  1357. if (_sde_encoder_is_autorefresh_enabled(sde_enc))
  1358. _sde_encoder_rc_cancel_delayed(sde_enc, sw_event);
  1359. else
  1360. _sde_encoder_rc_restart_delayed(sde_enc, sw_event);
  1361. }
  1362. static int _sde_encoder_rc_kickoff(struct drm_encoder *drm_enc,
  1363. u32 sw_event, struct sde_encoder_virt *sde_enc, bool is_vid_mode)
  1364. {
  1365. int ret = 0;
  1366. mutex_lock(&sde_enc->rc_lock);
  1367. /* return if the resource control is already in ON state */
  1368. if (sde_enc->rc_state == SDE_ENC_RC_STATE_ON) {
  1369. SDE_DEBUG_ENC(sde_enc, "sw_event:%d, rc in ON state\n",
  1370. sw_event);
  1371. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1372. SDE_EVTLOG_FUNC_CASE1);
  1373. goto end;
  1374. } else if (sde_enc->rc_state != SDE_ENC_RC_STATE_OFF &&
  1375. sde_enc->rc_state != SDE_ENC_RC_STATE_IDLE) {
  1376. SDE_ERROR_ENC(sde_enc, "sw_event:%d, rc in state %d\n",
  1377. sw_event, sde_enc->rc_state);
  1378. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1379. SDE_EVTLOG_ERROR);
  1380. goto end;
  1381. }
  1382. if (is_vid_mode && sde_enc->rc_state == SDE_ENC_RC_STATE_IDLE) {
  1383. sde_encoder_irq_control(drm_enc, true);
  1384. } else {
  1385. /* enable all the clks and resources */
  1386. ret = _sde_encoder_resource_control_helper(drm_enc,
  1387. true);
  1388. if (ret) {
  1389. SDE_ERROR_ENC(sde_enc,
  1390. "sw_event:%d, rc in state %d\n",
  1391. sw_event, sde_enc->rc_state);
  1392. SDE_EVT32(DRMID(drm_enc), sw_event,
  1393. sde_enc->rc_state,
  1394. SDE_EVTLOG_ERROR);
  1395. goto end;
  1396. }
  1397. _sde_encoder_update_rsc_client(drm_enc, true);
  1398. }
  1399. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1400. SDE_ENC_RC_STATE_ON, SDE_EVTLOG_FUNC_CASE1);
  1401. sde_enc->rc_state = SDE_ENC_RC_STATE_ON;
  1402. end:
  1403. _sde_encoder_rc_kickoff_delayed(sde_enc, sw_event);
  1404. mutex_unlock(&sde_enc->rc_lock);
  1405. return ret;
  1406. }
  1407. static int _sde_encoder_rc_pre_stop(struct drm_encoder *drm_enc,
  1408. u32 sw_event, struct sde_encoder_virt *sde_enc, bool is_vid_mode)
  1409. {
  1410. /* cancel delayed off work, if any */
  1411. _sde_encoder_rc_cancel_delayed(sde_enc, sw_event);
  1412. mutex_lock(&sde_enc->rc_lock);
  1413. if (is_vid_mode &&
  1414. sde_enc->rc_state == SDE_ENC_RC_STATE_IDLE) {
  1415. sde_encoder_irq_control(drm_enc, true);
  1416. }
  1417. /* skip if is already OFF or IDLE, resources are off already */
  1418. else if (sde_enc->rc_state == SDE_ENC_RC_STATE_OFF ||
  1419. sde_enc->rc_state == SDE_ENC_RC_STATE_IDLE) {
  1420. SDE_DEBUG_ENC(sde_enc, "sw_event:%d, rc in %d state\n",
  1421. sw_event, sde_enc->rc_state);
  1422. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1423. SDE_EVTLOG_FUNC_CASE3);
  1424. goto end;
  1425. }
  1426. /**
  1427. * IRQs are still enabled currently, which allows wait for
  1428. * VBLANK which RSC may require to correctly transition to OFF
  1429. */
  1430. _sde_encoder_update_rsc_client(drm_enc, false);
  1431. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1432. SDE_ENC_RC_STATE_PRE_OFF,
  1433. SDE_EVTLOG_FUNC_CASE3);
  1434. sde_enc->rc_state = SDE_ENC_RC_STATE_PRE_OFF;
  1435. end:
  1436. mutex_unlock(&sde_enc->rc_lock);
  1437. return 0;
  1438. }
  1439. static int _sde_encoder_rc_stop(struct drm_encoder *drm_enc,
  1440. u32 sw_event, struct sde_encoder_virt *sde_enc)
  1441. {
  1442. int ret = 0;
  1443. mutex_lock(&sde_enc->rc_lock);
  1444. /* return if the resource control is already in OFF state */
  1445. if (sde_enc->rc_state == SDE_ENC_RC_STATE_OFF) {
  1446. SDE_DEBUG_ENC(sde_enc, "sw_event:%d, rc in OFF state\n",
  1447. sw_event);
  1448. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1449. SDE_EVTLOG_FUNC_CASE4);
  1450. goto end;
  1451. } else if (sde_enc->rc_state == SDE_ENC_RC_STATE_ON ||
  1452. sde_enc->rc_state == SDE_ENC_RC_STATE_MODESET) {
  1453. SDE_ERROR_ENC(sde_enc, "sw_event:%d, rc in state %d\n",
  1454. sw_event, sde_enc->rc_state);
  1455. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1456. SDE_EVTLOG_ERROR);
  1457. ret = -EINVAL;
  1458. goto end;
  1459. }
  1460. /**
  1461. * expect to arrive here only if in either idle state or pre-off
  1462. * and in IDLE state the resources are already disabled
  1463. */
  1464. if (sde_enc->rc_state == SDE_ENC_RC_STATE_PRE_OFF)
  1465. _sde_encoder_resource_control_helper(drm_enc, false);
  1466. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1467. SDE_ENC_RC_STATE_OFF, SDE_EVTLOG_FUNC_CASE4);
  1468. sde_enc->rc_state = SDE_ENC_RC_STATE_OFF;
  1469. end:
  1470. mutex_unlock(&sde_enc->rc_lock);
  1471. return ret;
  1472. }
  1473. static int _sde_encoder_rc_pre_modeset(struct drm_encoder *drm_enc,
  1474. u32 sw_event, struct sde_encoder_virt *sde_enc)
  1475. {
  1476. int ret = 0;
  1477. /* cancel delayed off work, if any */
  1478. _sde_encoder_rc_cancel_delayed(sde_enc, sw_event);
  1479. mutex_lock(&sde_enc->rc_lock);
  1480. if (sde_enc->rc_state == SDE_ENC_RC_STATE_OFF) {
  1481. SDE_DEBUG_ENC(sde_enc, "sw_event:%d, rc in OFF state\n",
  1482. sw_event);
  1483. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1484. SDE_EVTLOG_FUNC_CASE5);
  1485. goto end;
  1486. } else if (sde_enc->rc_state != SDE_ENC_RC_STATE_ON) {
  1487. /* enable all the clks and resources */
  1488. ret = _sde_encoder_resource_control_helper(drm_enc,
  1489. true);
  1490. if (ret) {
  1491. SDE_ERROR_ENC(sde_enc,
  1492. "sw_event:%d, rc in state %d\n",
  1493. sw_event, sde_enc->rc_state);
  1494. SDE_EVT32(DRMID(drm_enc), sw_event,
  1495. sde_enc->rc_state,
  1496. SDE_EVTLOG_ERROR);
  1497. goto end;
  1498. }
  1499. _sde_encoder_update_rsc_client(drm_enc, true);
  1500. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1501. SDE_ENC_RC_STATE_ON, SDE_EVTLOG_FUNC_CASE5);
  1502. sde_enc->rc_state = SDE_ENC_RC_STATE_ON;
  1503. }
  1504. ret = sde_encoder_wait_for_event(drm_enc, MSM_ENC_TX_COMPLETE);
  1505. if (ret && ret != -EWOULDBLOCK) {
  1506. SDE_ERROR_ENC(sde_enc,
  1507. "wait for commit done returned %d\n",
  1508. ret);
  1509. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1510. ret, SDE_EVTLOG_ERROR);
  1511. ret = -EINVAL;
  1512. goto end;
  1513. }
  1514. sde_encoder_irq_control(drm_enc, false);
  1515. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1516. SDE_ENC_RC_STATE_MODESET, SDE_EVTLOG_FUNC_CASE5);
  1517. sde_enc->rc_state = SDE_ENC_RC_STATE_MODESET;
  1518. _sde_encoder_pm_qos_remove_request(drm_enc);
  1519. end:
  1520. mutex_unlock(&sde_enc->rc_lock);
  1521. return ret;
  1522. }
  1523. static int _sde_encoder_rc_post_modeset(struct drm_encoder *drm_enc,
  1524. u32 sw_event, struct sde_encoder_virt *sde_enc)
  1525. {
  1526. int ret = 0;
  1527. mutex_lock(&sde_enc->rc_lock);
  1528. if (sde_enc->rc_state == SDE_ENC_RC_STATE_OFF) {
  1529. SDE_DEBUG_ENC(sde_enc, "sw_event:%d, rc in OFF state\n",
  1530. sw_event);
  1531. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1532. SDE_EVTLOG_FUNC_CASE5);
  1533. goto end;
  1534. } else if (sde_enc->rc_state != SDE_ENC_RC_STATE_MODESET) {
  1535. SDE_ERROR_ENC(sde_enc,
  1536. "sw_event:%d, rc:%d !MODESET state\n",
  1537. sw_event, sde_enc->rc_state);
  1538. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1539. SDE_EVTLOG_ERROR);
  1540. ret = -EINVAL;
  1541. goto end;
  1542. }
  1543. sde_encoder_irq_control(drm_enc, true);
  1544. _sde_encoder_update_rsc_client(drm_enc, true);
  1545. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1546. SDE_ENC_RC_STATE_ON, SDE_EVTLOG_FUNC_CASE6);
  1547. sde_enc->rc_state = SDE_ENC_RC_STATE_ON;
  1548. _sde_encoder_pm_qos_add_request(drm_enc);
  1549. end:
  1550. mutex_unlock(&sde_enc->rc_lock);
  1551. return ret;
  1552. }
  1553. static int _sde_encoder_rc_idle(struct drm_encoder *drm_enc,
  1554. u32 sw_event, struct sde_encoder_virt *sde_enc, bool is_vid_mode)
  1555. {
  1556. struct msm_drm_private *priv;
  1557. struct sde_kms *sde_kms;
  1558. struct drm_crtc *crtc = drm_enc->crtc;
  1559. struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
  1560. priv = drm_enc->dev->dev_private;
  1561. sde_kms = to_sde_kms(priv->kms);
  1562. mutex_lock(&sde_enc->rc_lock);
  1563. if (sde_enc->rc_state != SDE_ENC_RC_STATE_ON) {
  1564. SDE_DEBUG_ENC(sde_enc, "sw_event:%d, rc:%d !ON state\n",
  1565. sw_event, sde_enc->rc_state);
  1566. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1567. SDE_EVTLOG_ERROR);
  1568. goto end;
  1569. } else if (sde_crtc_frame_pending(sde_enc->crtc)) {
  1570. SDE_DEBUG_ENC(sde_enc, "skip idle entry");
  1571. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1572. sde_crtc_frame_pending(sde_enc->crtc),
  1573. SDE_EVTLOG_ERROR);
  1574. _sde_encoder_rc_kickoff_delayed(sde_enc, sw_event);
  1575. goto end;
  1576. }
  1577. if (is_vid_mode) {
  1578. sde_encoder_irq_control(drm_enc, false);
  1579. } else {
  1580. /* disable all the clks and resources */
  1581. _sde_encoder_update_rsc_client(drm_enc, false);
  1582. _sde_encoder_resource_control_helper(drm_enc, false);
  1583. if (!sde_kms->perf.bw_vote_mode)
  1584. memset(&sde_crtc->cur_perf, 0,
  1585. sizeof(struct sde_core_perf_params));
  1586. }
  1587. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1588. SDE_ENC_RC_STATE_IDLE, SDE_EVTLOG_FUNC_CASE7);
  1589. sde_enc->rc_state = SDE_ENC_RC_STATE_IDLE;
  1590. end:
  1591. mutex_unlock(&sde_enc->rc_lock);
  1592. return 0;
  1593. }
  1594. static int _sde_encoder_rc_early_wakeup(struct drm_encoder *drm_enc,
  1595. u32 sw_event, struct sde_encoder_virt *sde_enc,
  1596. struct msm_drm_private *priv, bool is_vid_mode)
  1597. {
  1598. bool autorefresh_enabled = false;
  1599. struct msm_drm_thread *disp_thread;
  1600. int ret = 0;
  1601. if (!sde_enc->crtc ||
  1602. sde_enc->crtc->index >= ARRAY_SIZE(priv->disp_thread)) {
  1603. SDE_DEBUG_ENC(sde_enc,
  1604. "invalid crtc:%d or crtc index:%d , sw_event:%u\n",
  1605. sde_enc->crtc == NULL,
  1606. sde_enc->crtc ? sde_enc->crtc->index : -EINVAL,
  1607. sw_event);
  1608. return -EINVAL;
  1609. }
  1610. disp_thread = &priv->disp_thread[sde_enc->crtc->index];
  1611. mutex_lock(&sde_enc->rc_lock);
  1612. if (sde_enc->rc_state == SDE_ENC_RC_STATE_ON) {
  1613. if (sde_enc->cur_master &&
  1614. sde_enc->cur_master->ops.is_autorefresh_enabled)
  1615. autorefresh_enabled =
  1616. sde_enc->cur_master->ops.is_autorefresh_enabled(
  1617. sde_enc->cur_master);
  1618. if (autorefresh_enabled) {
  1619. SDE_DEBUG_ENC(sde_enc,
  1620. "not handling early wakeup since auto refresh is enabled\n");
  1621. goto end;
  1622. }
  1623. if (!sde_crtc_frame_pending(sde_enc->crtc))
  1624. kthread_mod_delayed_work(&disp_thread->worker,
  1625. &sde_enc->delayed_off_work,
  1626. msecs_to_jiffies(
  1627. IDLE_POWERCOLLAPSE_DURATION));
  1628. } else if (sde_enc->rc_state == SDE_ENC_RC_STATE_IDLE) {
  1629. /* enable all the clks and resources */
  1630. ret = _sde_encoder_resource_control_helper(drm_enc,
  1631. true);
  1632. if (ret) {
  1633. SDE_ERROR_ENC(sde_enc,
  1634. "sw_event:%d, rc in state %d\n",
  1635. sw_event, sde_enc->rc_state);
  1636. SDE_EVT32(DRMID(drm_enc), sw_event,
  1637. sde_enc->rc_state,
  1638. SDE_EVTLOG_ERROR);
  1639. goto end;
  1640. }
  1641. _sde_encoder_update_rsc_client(drm_enc, true);
  1642. /*
  1643. * In some cases, commit comes with slight delay
  1644. * (> 80 ms)after early wake up, prevent clock switch
  1645. * off to avoid jank in next update. So, increase the
  1646. * command mode idle timeout sufficiently to prevent
  1647. * such case.
  1648. */
  1649. kthread_mod_delayed_work(&disp_thread->worker,
  1650. &sde_enc->delayed_off_work,
  1651. msecs_to_jiffies(
  1652. IDLE_POWERCOLLAPSE_IN_EARLY_WAKEUP));
  1653. sde_enc->rc_state = SDE_ENC_RC_STATE_ON;
  1654. }
  1655. SDE_EVT32(DRMID(drm_enc), sw_event, sde_enc->rc_state,
  1656. SDE_ENC_RC_STATE_ON, SDE_EVTLOG_FUNC_CASE8);
  1657. end:
  1658. mutex_unlock(&sde_enc->rc_lock);
  1659. return ret;
  1660. }
  1661. static int sde_encoder_resource_control(struct drm_encoder *drm_enc,
  1662. u32 sw_event)
  1663. {
  1664. struct sde_encoder_virt *sde_enc;
  1665. struct msm_drm_private *priv;
  1666. int ret = 0;
  1667. bool is_vid_mode = false;
  1668. if (!drm_enc || !drm_enc->dev || !drm_enc->dev->dev_private) {
  1669. SDE_ERROR("invalid encoder parameters, sw_event:%u\n",
  1670. sw_event);
  1671. return -EINVAL;
  1672. }
  1673. sde_enc = to_sde_encoder_virt(drm_enc);
  1674. priv = drm_enc->dev->dev_private;
  1675. if (sde_encoder_check_curr_mode(&sde_enc->base, MSM_DISPLAY_VIDEO_MODE))
  1676. is_vid_mode = true;
  1677. /*
  1678. * when idle_pc is not supported, process only KICKOFF, STOP and MODESET
  1679. * events and return early for other events (ie wb display).
  1680. */
  1681. if (!sde_enc->idle_pc_enabled &&
  1682. (sw_event != SDE_ENC_RC_EVENT_KICKOFF &&
  1683. sw_event != SDE_ENC_RC_EVENT_PRE_MODESET &&
  1684. sw_event != SDE_ENC_RC_EVENT_POST_MODESET &&
  1685. sw_event != SDE_ENC_RC_EVENT_STOP &&
  1686. sw_event != SDE_ENC_RC_EVENT_PRE_STOP))
  1687. return 0;
  1688. SDE_DEBUG_ENC(sde_enc, "sw_event:%d, idle_pc:%d\n",
  1689. sw_event, sde_enc->idle_pc_enabled);
  1690. SDE_EVT32_VERBOSE(DRMID(drm_enc), sw_event, sde_enc->idle_pc_enabled,
  1691. sde_enc->rc_state, SDE_EVTLOG_FUNC_ENTRY);
  1692. switch (sw_event) {
  1693. case SDE_ENC_RC_EVENT_KICKOFF:
  1694. ret = _sde_encoder_rc_kickoff(drm_enc, sw_event, sde_enc,
  1695. is_vid_mode);
  1696. break;
  1697. case SDE_ENC_RC_EVENT_PRE_STOP:
  1698. ret = _sde_encoder_rc_pre_stop(drm_enc, sw_event, sde_enc,
  1699. is_vid_mode);
  1700. break;
  1701. case SDE_ENC_RC_EVENT_STOP:
  1702. ret = _sde_encoder_rc_stop(drm_enc, sw_event, sde_enc);
  1703. break;
  1704. case SDE_ENC_RC_EVENT_PRE_MODESET:
  1705. ret = _sde_encoder_rc_pre_modeset(drm_enc, sw_event, sde_enc);
  1706. break;
  1707. case SDE_ENC_RC_EVENT_POST_MODESET:
  1708. ret = _sde_encoder_rc_post_modeset(drm_enc, sw_event, sde_enc);
  1709. break;
  1710. case SDE_ENC_RC_EVENT_ENTER_IDLE:
  1711. ret = _sde_encoder_rc_idle(drm_enc, sw_event, sde_enc,
  1712. is_vid_mode);
  1713. break;
  1714. case SDE_ENC_RC_EVENT_EARLY_WAKEUP:
  1715. ret = _sde_encoder_rc_early_wakeup(drm_enc, sw_event, sde_enc,
  1716. priv, is_vid_mode);
  1717. break;
  1718. default:
  1719. SDE_EVT32(DRMID(drm_enc), sw_event, SDE_EVTLOG_ERROR);
  1720. SDE_ERROR("unexpected sw_event: %d\n", sw_event);
  1721. break;
  1722. }
  1723. SDE_EVT32_VERBOSE(DRMID(drm_enc), sw_event, sde_enc->idle_pc_enabled,
  1724. sde_enc->rc_state, SDE_EVTLOG_FUNC_EXIT);
  1725. return ret;
  1726. }
  1727. static void sde_encoder_virt_mode_switch(struct drm_encoder *drm_enc,
  1728. enum sde_intf_mode intf_mode, struct drm_display_mode *adj_mode)
  1729. {
  1730. int i = 0;
  1731. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  1732. if (intf_mode == INTF_MODE_CMD)
  1733. sde_enc->disp_info.curr_panel_mode = MSM_DISPLAY_VIDEO_MODE;
  1734. else if (intf_mode == INTF_MODE_VIDEO)
  1735. sde_enc->disp_info.curr_panel_mode = MSM_DISPLAY_CMD_MODE;
  1736. _sde_encoder_update_rsc_client(drm_enc, true);
  1737. if (intf_mode == INTF_MODE_CMD) {
  1738. for (i = 0; i < sde_enc->num_phys_encs; i++)
  1739. sde_enc->phys_encs[i] = sde_enc->phys_vid_encs[i];
  1740. SDE_DEBUG_ENC(sde_enc, "switch to video physical encoder\n");
  1741. SDE_EVT32(DRMID(&sde_enc->base), intf_mode, adj_mode->flags,
  1742. adj_mode->private_flags, SDE_EVTLOG_FUNC_CASE1);
  1743. } else if (intf_mode == INTF_MODE_VIDEO) {
  1744. for (i = 0; i < sde_enc->num_phys_encs; i++)
  1745. sde_enc->phys_encs[i] = sde_enc->phys_cmd_encs[i];
  1746. SDE_DEBUG_ENC(sde_enc, "switch to command physical encoder\n");
  1747. SDE_EVT32(DRMID(&sde_enc->base), intf_mode, adj_mode->flags,
  1748. adj_mode->private_flags, SDE_EVTLOG_FUNC_CASE2);
  1749. }
  1750. }
  1751. static struct drm_connector *_sde_encoder_get_connector(
  1752. struct drm_device *dev, struct drm_encoder *drm_enc)
  1753. {
  1754. struct drm_connector_list_iter conn_iter;
  1755. struct drm_connector *conn = NULL, *conn_search;
  1756. drm_connector_list_iter_begin(dev, &conn_iter);
  1757. drm_for_each_connector_iter(conn_search, &conn_iter) {
  1758. if (conn_search->encoder == drm_enc) {
  1759. conn = conn_search;
  1760. break;
  1761. }
  1762. }
  1763. drm_connector_list_iter_end(&conn_iter);
  1764. return conn;
  1765. }
  1766. static void _sde_encoder_virt_populate_hw_res(struct drm_encoder *drm_enc)
  1767. {
  1768. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  1769. struct sde_kms *sde_kms = sde_encoder_get_kms(drm_enc);
  1770. struct sde_rm_hw_iter pp_iter, qdss_iter;
  1771. struct sde_rm_hw_iter dsc_iter, vdc_iter;
  1772. struct sde_rm_hw_request request_hw;
  1773. int i, j;
  1774. sde_rm_init_hw_iter(&pp_iter, drm_enc->base.id, SDE_HW_BLK_PINGPONG);
  1775. for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) {
  1776. sde_enc->hw_pp[i] = NULL;
  1777. if (!sde_rm_get_hw(&sde_kms->rm, &pp_iter))
  1778. break;
  1779. sde_enc->hw_pp[i] = (struct sde_hw_pingpong *) pp_iter.hw;
  1780. }
  1781. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  1782. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  1783. if (phys) {
  1784. sde_rm_init_hw_iter(&qdss_iter, drm_enc->base.id,
  1785. SDE_HW_BLK_QDSS);
  1786. for (j = 0; j < QDSS_MAX; j++) {
  1787. if (sde_rm_get_hw(&sde_kms->rm, &qdss_iter)) {
  1788. phys->hw_qdss =
  1789. (struct sde_hw_qdss *)qdss_iter.hw;
  1790. break;
  1791. }
  1792. }
  1793. }
  1794. }
  1795. sde_rm_init_hw_iter(&dsc_iter, drm_enc->base.id, SDE_HW_BLK_DSC);
  1796. for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) {
  1797. sde_enc->hw_dsc[i] = NULL;
  1798. if (!sde_rm_get_hw(&sde_kms->rm, &dsc_iter))
  1799. break;
  1800. sde_enc->hw_dsc[i] = (struct sde_hw_dsc *) dsc_iter.hw;
  1801. }
  1802. sde_rm_init_hw_iter(&vdc_iter, drm_enc->base.id, SDE_HW_BLK_VDC);
  1803. for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) {
  1804. sde_enc->hw_vdc[i] = NULL;
  1805. if (!sde_rm_get_hw(&sde_kms->rm, &vdc_iter))
  1806. break;
  1807. sde_enc->hw_vdc[i] = (struct sde_hw_vdc *) vdc_iter.hw;
  1808. }
  1809. /* Get PP for DSC configuration */
  1810. for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) {
  1811. struct sde_hw_pingpong *pp = NULL;
  1812. unsigned long features = 0;
  1813. if (!sde_enc->hw_dsc[i])
  1814. continue;
  1815. request_hw.id = sde_enc->hw_dsc[i]->base.id;
  1816. request_hw.type = SDE_HW_BLK_PINGPONG;
  1817. if (!sde_rm_request_hw_blk(&sde_kms->rm, &request_hw))
  1818. break;
  1819. pp = (struct sde_hw_pingpong *) request_hw.hw;
  1820. features = pp->ops.get_hw_caps(pp);
  1821. if (test_bit(SDE_PINGPONG_DSC, &features))
  1822. sde_enc->hw_dsc_pp[i] = pp;
  1823. else
  1824. sde_enc->hw_dsc_pp[i] = NULL;
  1825. }
  1826. }
  1827. static bool sde_encoder_detect_panel_mode_switch(
  1828. struct drm_display_mode *adj_mode, enum sde_intf_mode intf_mode)
  1829. {
  1830. /* don't rely on POMS flag as it may not be set for power-on modeset */
  1831. if ((intf_mode == INTF_MODE_CMD &&
  1832. adj_mode->flags & DRM_MODE_FLAG_VID_MODE_PANEL) ||
  1833. (intf_mode == INTF_MODE_VIDEO &&
  1834. adj_mode->flags & DRM_MODE_FLAG_CMD_MODE_PANEL))
  1835. return true;
  1836. return false;
  1837. }
  1838. static int sde_encoder_virt_modeset_rc(struct drm_encoder *drm_enc,
  1839. struct drm_display_mode *adj_mode, bool pre_modeset)
  1840. {
  1841. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  1842. enum sde_intf_mode intf_mode;
  1843. int ret;
  1844. bool is_cmd_mode = false;
  1845. if (sde_encoder_check_curr_mode(drm_enc, MSM_DISPLAY_CMD_MODE))
  1846. is_cmd_mode = true;
  1847. if (pre_modeset) {
  1848. intf_mode = sde_encoder_get_intf_mode(drm_enc);
  1849. if (msm_is_mode_seamless_dms(adj_mode) ||
  1850. (msm_is_mode_seamless_dyn_clk(adj_mode) &&
  1851. is_cmd_mode)) {
  1852. /* restore resource state before releasing them */
  1853. ret = sde_encoder_resource_control(drm_enc,
  1854. SDE_ENC_RC_EVENT_PRE_MODESET);
  1855. if (ret) {
  1856. SDE_ERROR_ENC(sde_enc,
  1857. "sde resource control failed: %d\n",
  1858. ret);
  1859. return ret;
  1860. }
  1861. /*
  1862. * Disable dce before switching the mode and after pre-
  1863. * modeset to guarantee previous kickoff has finished.
  1864. */
  1865. sde_encoder_dce_disable(sde_enc);
  1866. } else if (sde_encoder_detect_panel_mode_switch(adj_mode,
  1867. intf_mode)) {
  1868. _sde_encoder_modeset_helper_locked(drm_enc,
  1869. SDE_ENC_RC_EVENT_PRE_MODESET);
  1870. sde_encoder_virt_mode_switch(drm_enc, intf_mode,
  1871. adj_mode);
  1872. }
  1873. } else {
  1874. if (msm_is_mode_seamless_dms(adj_mode) ||
  1875. (msm_is_mode_seamless_dyn_clk(adj_mode) &&
  1876. is_cmd_mode))
  1877. sde_encoder_resource_control(&sde_enc->base,
  1878. SDE_ENC_RC_EVENT_POST_MODESET);
  1879. else if (msm_is_mode_seamless_poms(adj_mode))
  1880. _sde_encoder_modeset_helper_locked(drm_enc,
  1881. SDE_ENC_RC_EVENT_POST_MODESET);
  1882. }
  1883. return 0;
  1884. }
  1885. static void sde_encoder_virt_mode_set(struct drm_encoder *drm_enc,
  1886. struct drm_display_mode *mode,
  1887. struct drm_display_mode *adj_mode)
  1888. {
  1889. struct sde_encoder_virt *sde_enc;
  1890. struct sde_kms *sde_kms;
  1891. struct drm_connector *conn;
  1892. int i = 0, ret;
  1893. int num_lm, num_intf, num_pp_per_intf;
  1894. if (!drm_enc) {
  1895. SDE_ERROR("invalid encoder\n");
  1896. return;
  1897. }
  1898. if (!sde_kms_power_resource_is_enabled(drm_enc->dev)) {
  1899. SDE_ERROR("power resource is not enabled\n");
  1900. return;
  1901. }
  1902. sde_kms = sde_encoder_get_kms(drm_enc);
  1903. if (!sde_kms)
  1904. return;
  1905. sde_enc = to_sde_encoder_virt(drm_enc);
  1906. SDE_DEBUG_ENC(sde_enc, "\n");
  1907. SDE_EVT32(DRMID(drm_enc));
  1908. /*
  1909. * cache the crtc in sde_enc on enable for duration of use case
  1910. * for correctly servicing asynchronous irq events and timers
  1911. */
  1912. if (!drm_enc->crtc) {
  1913. SDE_ERROR("invalid crtc\n");
  1914. return;
  1915. }
  1916. sde_enc->crtc = drm_enc->crtc;
  1917. sde_crtc_set_qos_dirty(drm_enc->crtc);
  1918. /* get and store the mode_info */
  1919. conn = _sde_encoder_get_connector(sde_kms->dev, drm_enc);
  1920. if (!conn) {
  1921. SDE_ERROR_ENC(sde_enc, "failed to find attached connector\n");
  1922. return;
  1923. } else if (!conn->state) {
  1924. SDE_ERROR_ENC(sde_enc, "invalid connector state\n");
  1925. return;
  1926. }
  1927. sde_connector_state_get_mode_info(conn->state, &sde_enc->mode_info);
  1928. sde_encoder_dce_set_bpp(sde_enc->mode_info, sde_enc->crtc);
  1929. /* release resources before seamless mode change */
  1930. ret = sde_encoder_virt_modeset_rc(drm_enc, adj_mode, true);
  1931. if (ret)
  1932. return;
  1933. /* reserve dynamic resources now, indicating non test-only */
  1934. ret = sde_rm_reserve(&sde_kms->rm, drm_enc, drm_enc->crtc->state,
  1935. conn->state, false);
  1936. if (ret) {
  1937. SDE_ERROR_ENC(sde_enc,
  1938. "failed to reserve hw resources, %d\n", ret);
  1939. return;
  1940. }
  1941. /* assign the reserved HW blocks to this encoder */
  1942. _sde_encoder_virt_populate_hw_res(drm_enc);
  1943. /* determine left HW PP block to map to INTF */
  1944. num_lm = sde_enc->mode_info.topology.num_lm;
  1945. num_intf = sde_enc->mode_info.topology.num_intf;
  1946. num_pp_per_intf = num_lm / num_intf;
  1947. if (!num_pp_per_intf)
  1948. num_pp_per_intf = 1;
  1949. /* perform mode_set on phys_encs */
  1950. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  1951. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  1952. if (phys) {
  1953. if (!sde_enc->hw_pp[i * num_pp_per_intf] &&
  1954. sde_enc->topology.num_intf) {
  1955. SDE_ERROR_ENC(sde_enc, "invalid hw_pp[%d]\n",
  1956. i * num_pp_per_intf);
  1957. return;
  1958. }
  1959. phys->hw_pp = sde_enc->hw_pp[i * num_pp_per_intf];
  1960. phys->connector = conn->state->connector;
  1961. if (phys->ops.mode_set)
  1962. phys->ops.mode_set(phys, mode, adj_mode);
  1963. }
  1964. }
  1965. /* update resources after seamless mode change */
  1966. sde_encoder_virt_modeset_rc(drm_enc, adj_mode, false);
  1967. }
  1968. void sde_encoder_control_te(struct drm_encoder *drm_enc, bool enable)
  1969. {
  1970. struct sde_encoder_virt *sde_enc;
  1971. struct sde_encoder_phys *phys;
  1972. int i;
  1973. if (!drm_enc) {
  1974. SDE_ERROR("invalid parameters\n");
  1975. return;
  1976. }
  1977. sde_enc = to_sde_encoder_virt(drm_enc);
  1978. if (!sde_enc) {
  1979. SDE_ERROR("invalid sde encoder\n");
  1980. return;
  1981. }
  1982. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  1983. phys = sde_enc->phys_encs[i];
  1984. if (phys && phys->ops.control_te)
  1985. phys->ops.control_te(phys, enable);
  1986. }
  1987. }
  1988. static int _sde_encoder_input_connect(struct input_handler *handler,
  1989. struct input_dev *dev, const struct input_device_id *id)
  1990. {
  1991. struct input_handle *handle;
  1992. int rc = 0;
  1993. handle = kzalloc(sizeof(*handle), GFP_KERNEL);
  1994. if (!handle)
  1995. return -ENOMEM;
  1996. handle->dev = dev;
  1997. handle->handler = handler;
  1998. handle->name = handler->name;
  1999. rc = input_register_handle(handle);
  2000. if (rc) {
  2001. pr_err("failed to register input handle\n");
  2002. goto error;
  2003. }
  2004. rc = input_open_device(handle);
  2005. if (rc) {
  2006. pr_err("failed to open input device\n");
  2007. goto error_unregister;
  2008. }
  2009. return 0;
  2010. error_unregister:
  2011. input_unregister_handle(handle);
  2012. error:
  2013. kfree(handle);
  2014. return rc;
  2015. }
  2016. static void _sde_encoder_input_disconnect(struct input_handle *handle)
  2017. {
  2018. input_close_device(handle);
  2019. input_unregister_handle(handle);
  2020. kfree(handle);
  2021. }
  2022. /**
  2023. * Structure for specifying event parameters on which to receive callbacks.
  2024. * This structure will trigger a callback in case of a touch event (specified by
  2025. * EV_ABS) where there is a change in X and Y coordinates,
  2026. */
  2027. static const struct input_device_id sde_input_ids[] = {
  2028. {
  2029. .flags = INPUT_DEVICE_ID_MATCH_EVBIT,
  2030. .evbit = { BIT_MASK(EV_ABS) },
  2031. .absbit = { [BIT_WORD(ABS_MT_POSITION_X)] =
  2032. BIT_MASK(ABS_MT_POSITION_X) |
  2033. BIT_MASK(ABS_MT_POSITION_Y) },
  2034. },
  2035. { },
  2036. };
  2037. static void _sde_encoder_input_handler_register(
  2038. struct drm_encoder *drm_enc)
  2039. {
  2040. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  2041. int rc;
  2042. if (!sde_encoder_check_curr_mode(drm_enc, MSM_DISPLAY_CMD_MODE) ||
  2043. !sde_enc->input_event_enabled)
  2044. return;
  2045. if (sde_enc->input_handler && !sde_enc->input_handler->private) {
  2046. sde_enc->input_handler->private = sde_enc;
  2047. /* register input handler if not already registered */
  2048. rc = input_register_handler(sde_enc->input_handler);
  2049. if (rc) {
  2050. SDE_ERROR("input_handler_register failed, rc= %d\n",
  2051. rc);
  2052. kfree(sde_enc->input_handler);
  2053. }
  2054. }
  2055. }
  2056. static void _sde_encoder_input_handler_unregister(
  2057. struct drm_encoder *drm_enc)
  2058. {
  2059. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  2060. if (!sde_encoder_check_curr_mode(drm_enc, MSM_DISPLAY_CMD_MODE) ||
  2061. !sde_enc->input_event_enabled)
  2062. return;
  2063. if (sde_enc->input_handler && sde_enc->input_handler->private) {
  2064. input_unregister_handler(sde_enc->input_handler);
  2065. sde_enc->input_handler->private = NULL;
  2066. }
  2067. }
  2068. static int _sde_encoder_input_handler(
  2069. struct sde_encoder_virt *sde_enc)
  2070. {
  2071. struct input_handler *input_handler = NULL;
  2072. int rc = 0;
  2073. if (sde_enc->input_handler) {
  2074. SDE_ERROR_ENC(sde_enc,
  2075. "input_handle is active. unexpected\n");
  2076. return -EINVAL;
  2077. }
  2078. input_handler = kzalloc(sizeof(*sde_enc->input_handler), GFP_KERNEL);
  2079. if (!input_handler)
  2080. return -ENOMEM;
  2081. input_handler->event = sde_encoder_input_event_handler;
  2082. input_handler->connect = _sde_encoder_input_connect;
  2083. input_handler->disconnect = _sde_encoder_input_disconnect;
  2084. input_handler->name = "sde";
  2085. input_handler->id_table = sde_input_ids;
  2086. sde_enc->input_handler = input_handler;
  2087. return rc;
  2088. }
  2089. static void _sde_encoder_virt_enable_helper(struct drm_encoder *drm_enc)
  2090. {
  2091. struct sde_encoder_virt *sde_enc = NULL;
  2092. struct sde_kms *sde_kms;
  2093. if (!drm_enc || !drm_enc->dev || !drm_enc->dev->dev_private) {
  2094. SDE_ERROR("invalid parameters\n");
  2095. return;
  2096. }
  2097. sde_kms = sde_encoder_get_kms(drm_enc);
  2098. if (!sde_kms)
  2099. return;
  2100. sde_enc = to_sde_encoder_virt(drm_enc);
  2101. if (!sde_enc || !sde_enc->cur_master) {
  2102. SDE_DEBUG("invalid sde encoder/master\n");
  2103. return;
  2104. }
  2105. if (sde_enc->disp_info.intf_type == DRM_MODE_CONNECTOR_DisplayPort &&
  2106. sde_enc->cur_master->hw_mdptop &&
  2107. sde_enc->cur_master->hw_mdptop->ops.intf_audio_select)
  2108. sde_enc->cur_master->hw_mdptop->ops.intf_audio_select(
  2109. sde_enc->cur_master->hw_mdptop);
  2110. if (sde_enc->cur_master->hw_mdptop &&
  2111. sde_enc->cur_master->hw_mdptop->ops.reset_ubwc)
  2112. sde_enc->cur_master->hw_mdptop->ops.reset_ubwc(
  2113. sde_enc->cur_master->hw_mdptop,
  2114. sde_kms->catalog);
  2115. if (sde_enc->cur_master->hw_ctl &&
  2116. sde_enc->cur_master->hw_ctl->ops.setup_intf_cfg_v1 &&
  2117. !sde_enc->cur_master->cont_splash_enabled)
  2118. sde_enc->cur_master->hw_ctl->ops.setup_intf_cfg_v1(
  2119. sde_enc->cur_master->hw_ctl,
  2120. &sde_enc->cur_master->intf_cfg_v1);
  2121. _sde_encoder_update_vsync_source(sde_enc, &sde_enc->disp_info, false);
  2122. sde_encoder_control_te(drm_enc, true);
  2123. memset(&sde_enc->prv_conn_roi, 0, sizeof(sde_enc->prv_conn_roi));
  2124. memset(&sde_enc->cur_conn_roi, 0, sizeof(sde_enc->cur_conn_roi));
  2125. }
  2126. static void _sde_encoder_setup_dither(struct sde_encoder_phys *phys)
  2127. {
  2128. struct sde_kms *sde_kms;
  2129. void *dither_cfg = NULL;
  2130. int ret = 0, i = 0;
  2131. size_t len = 0;
  2132. enum sde_rm_topology_name topology;
  2133. struct drm_encoder *drm_enc;
  2134. struct msm_display_dsc_info *dsc = NULL;
  2135. struct sde_encoder_virt *sde_enc;
  2136. struct sde_hw_pingpong *hw_pp;
  2137. u32 bpp, bpc;
  2138. int num_lm;
  2139. if (!phys || !phys->connector || !phys->hw_pp ||
  2140. !phys->hw_pp->ops.setup_dither || !phys->parent)
  2141. return;
  2142. sde_kms = sde_encoder_get_kms(phys->parent);
  2143. if (!sde_kms)
  2144. return;
  2145. topology = sde_connector_get_topology_name(phys->connector);
  2146. if ((topology == SDE_RM_TOPOLOGY_NONE) ||
  2147. ((topology == SDE_RM_TOPOLOGY_PPSPLIT) &&
  2148. (phys->split_role == ENC_ROLE_SLAVE)))
  2149. return;
  2150. drm_enc = phys->parent;
  2151. sde_enc = to_sde_encoder_virt(drm_enc);
  2152. dsc = &sde_enc->mode_info.comp_info.dsc_info;
  2153. bpc = dsc->config.bits_per_component;
  2154. bpp = dsc->config.bits_per_pixel;
  2155. /* disable dither for 10 bpp or 10bpc dsc config */
  2156. if (bpp == 10 || bpc == 10) {
  2157. phys->hw_pp->ops.setup_dither(phys->hw_pp, NULL, 0);
  2158. return;
  2159. }
  2160. ret = sde_connector_get_dither_cfg(phys->connector,
  2161. phys->connector->state, &dither_cfg,
  2162. &len, sde_enc->idle_pc_restore);
  2163. /* skip reg writes when return values are invalid or no data */
  2164. if (ret && ret == -ENODATA)
  2165. return;
  2166. num_lm = sde_rm_topology_get_num_lm(&sde_kms->rm, topology);
  2167. for (i = 0; i < num_lm; i++) {
  2168. hw_pp = sde_enc->hw_pp[i];
  2169. phys->hw_pp->ops.setup_dither(hw_pp,
  2170. dither_cfg, len);
  2171. }
  2172. }
  2173. void sde_encoder_virt_restore(struct drm_encoder *drm_enc)
  2174. {
  2175. struct sde_encoder_virt *sde_enc = NULL;
  2176. int i;
  2177. if (!drm_enc) {
  2178. SDE_ERROR("invalid encoder\n");
  2179. return;
  2180. }
  2181. sde_enc = to_sde_encoder_virt(drm_enc);
  2182. if (!sde_enc->cur_master) {
  2183. SDE_DEBUG("virt encoder has no master\n");
  2184. return;
  2185. }
  2186. memset(&sde_enc->cur_master->intf_cfg_v1, 0,
  2187. sizeof(sde_enc->cur_master->intf_cfg_v1));
  2188. sde_enc->idle_pc_restore = true;
  2189. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  2190. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  2191. if (!phys)
  2192. continue;
  2193. if (phys->hw_ctl && phys->hw_ctl->ops.clear_pending_flush)
  2194. phys->hw_ctl->ops.clear_pending_flush(phys->hw_ctl);
  2195. if ((phys != sde_enc->cur_master) && phys->ops.restore)
  2196. phys->ops.restore(phys);
  2197. _sde_encoder_setup_dither(phys);
  2198. }
  2199. if (sde_enc->cur_master->ops.restore)
  2200. sde_enc->cur_master->ops.restore(sde_enc->cur_master);
  2201. _sde_encoder_virt_enable_helper(drm_enc);
  2202. }
  2203. static void sde_encoder_off_work(struct kthread_work *work)
  2204. {
  2205. struct sde_encoder_virt *sde_enc = container_of(work,
  2206. struct sde_encoder_virt, delayed_off_work.work);
  2207. struct drm_encoder *drm_enc;
  2208. if (!sde_enc) {
  2209. SDE_ERROR("invalid sde encoder\n");
  2210. return;
  2211. }
  2212. drm_enc = &sde_enc->base;
  2213. SDE_ATRACE_BEGIN("sde_encoder_off_work");
  2214. sde_encoder_idle_request(drm_enc);
  2215. SDE_ATRACE_END("sde_encoder_off_work");
  2216. }
  2217. static void sde_encoder_virt_enable(struct drm_encoder *drm_enc)
  2218. {
  2219. struct sde_encoder_virt *sde_enc = NULL;
  2220. int i, ret = 0;
  2221. struct msm_compression_info *comp_info = NULL;
  2222. struct drm_display_mode *cur_mode = NULL;
  2223. struct msm_display_info *disp_info;
  2224. if (!drm_enc || !drm_enc->crtc) {
  2225. SDE_ERROR("invalid encoder\n");
  2226. return;
  2227. }
  2228. sde_enc = to_sde_encoder_virt(drm_enc);
  2229. disp_info = &sde_enc->disp_info;
  2230. if (!sde_kms_power_resource_is_enabled(drm_enc->dev)) {
  2231. SDE_ERROR("power resource is not enabled\n");
  2232. return;
  2233. }
  2234. if (!sde_enc->crtc)
  2235. sde_enc->crtc = drm_enc->crtc;
  2236. comp_info = &sde_enc->mode_info.comp_info;
  2237. cur_mode = &sde_enc->base.crtc->state->adjusted_mode;
  2238. SDE_DEBUG_ENC(sde_enc, "\n");
  2239. SDE_EVT32(DRMID(drm_enc), cur_mode->hdisplay, cur_mode->vdisplay);
  2240. sde_enc->cur_master = NULL;
  2241. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  2242. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  2243. if (phys && phys->ops.is_master && phys->ops.is_master(phys)) {
  2244. SDE_DEBUG_ENC(sde_enc, "master is now idx %d\n", i);
  2245. sde_enc->cur_master = phys;
  2246. break;
  2247. }
  2248. }
  2249. if (!sde_enc->cur_master) {
  2250. SDE_ERROR("virt encoder has no master! num_phys %d\n", i);
  2251. return;
  2252. }
  2253. _sde_encoder_input_handler_register(drm_enc);
  2254. if ((drm_enc->crtc->state->connectors_changed &&
  2255. sde_encoder_in_clone_mode(drm_enc)) ||
  2256. !(msm_is_mode_seamless_vrr(cur_mode)
  2257. || msm_is_mode_seamless_dms(cur_mode)
  2258. || msm_is_mode_seamless_dyn_clk(cur_mode)))
  2259. kthread_cancel_delayed_work_sync(&sde_enc->delayed_off_work);
  2260. ret = sde_encoder_resource_control(drm_enc, SDE_ENC_RC_EVENT_KICKOFF);
  2261. if (ret) {
  2262. SDE_ERROR_ENC(sde_enc, "sde resource control failed: %d\n",
  2263. ret);
  2264. return;
  2265. }
  2266. memset(&sde_enc->cur_master->intf_cfg_v1, 0,
  2267. sizeof(sde_enc->cur_master->intf_cfg_v1));
  2268. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  2269. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  2270. if (!phys)
  2271. continue;
  2272. phys->comp_type = comp_info->comp_type;
  2273. phys->comp_ratio = comp_info->comp_ratio;
  2274. phys->frame_trigger_mode = sde_enc->frame_trigger_mode;
  2275. phys->poms_align_vsync = disp_info->poms_align_vsync;
  2276. if (phys->comp_type == MSM_DISPLAY_COMPRESSION_DSC) {
  2277. phys->dsc_extra_pclk_cycle_cnt =
  2278. comp_info->dsc_info.pclk_per_line;
  2279. phys->dsc_extra_disp_width =
  2280. comp_info->dsc_info.extra_width;
  2281. phys->dce_bytes_per_line =
  2282. comp_info->dsc_info.bytes_per_pkt *
  2283. comp_info->dsc_info.pkt_per_line;
  2284. } else if (phys->comp_type == MSM_DISPLAY_COMPRESSION_VDC) {
  2285. phys->dce_bytes_per_line =
  2286. comp_info->vdc_info.bytes_per_pkt *
  2287. comp_info->vdc_info.pkt_per_line;
  2288. }
  2289. if (phys != sde_enc->cur_master) {
  2290. /**
  2291. * on DMS request, the encoder will be enabled
  2292. * already. Invoke restore to reconfigure the
  2293. * new mode.
  2294. */
  2295. if ((msm_is_mode_seamless_dms(cur_mode) ||
  2296. msm_is_mode_seamless_dyn_clk(cur_mode)) &&
  2297. phys->ops.restore)
  2298. phys->ops.restore(phys);
  2299. else if (phys->ops.enable)
  2300. phys->ops.enable(phys);
  2301. }
  2302. if (sde_enc->misr_enable && phys->ops.setup_misr &&
  2303. (sde_encoder_check_curr_mode(drm_enc, MSM_DISPLAY_VIDEO_MODE)))
  2304. phys->ops.setup_misr(phys, true,
  2305. sde_enc->misr_frame_count);
  2306. }
  2307. if ((msm_is_mode_seamless_dms(cur_mode) ||
  2308. msm_is_mode_seamless_dyn_clk(cur_mode)) &&
  2309. sde_enc->cur_master->ops.restore)
  2310. sde_enc->cur_master->ops.restore(sde_enc->cur_master);
  2311. else if (sde_enc->cur_master->ops.enable)
  2312. sde_enc->cur_master->ops.enable(sde_enc->cur_master);
  2313. _sde_encoder_virt_enable_helper(drm_enc);
  2314. }
  2315. static void sde_encoder_virt_disable(struct drm_encoder *drm_enc)
  2316. {
  2317. struct sde_encoder_virt *sde_enc = NULL;
  2318. struct sde_kms *sde_kms;
  2319. enum sde_intf_mode intf_mode;
  2320. int i = 0;
  2321. if (!drm_enc) {
  2322. SDE_ERROR("invalid encoder\n");
  2323. return;
  2324. } else if (!drm_enc->dev) {
  2325. SDE_ERROR("invalid dev\n");
  2326. return;
  2327. } else if (!drm_enc->dev->dev_private) {
  2328. SDE_ERROR("invalid dev_private\n");
  2329. return;
  2330. }
  2331. if (!sde_kms_power_resource_is_enabled(drm_enc->dev)) {
  2332. SDE_ERROR("power resource is not enabled\n");
  2333. return;
  2334. }
  2335. sde_enc = to_sde_encoder_virt(drm_enc);
  2336. SDE_DEBUG_ENC(sde_enc, "\n");
  2337. sde_kms = sde_encoder_get_kms(&sde_enc->base);
  2338. if (!sde_kms)
  2339. return;
  2340. intf_mode = sde_encoder_get_intf_mode(drm_enc);
  2341. SDE_EVT32(DRMID(drm_enc));
  2342. /* wait for idle */
  2343. sde_encoder_wait_for_event(drm_enc, MSM_ENC_TX_COMPLETE);
  2344. _sde_encoder_input_handler_unregister(drm_enc);
  2345. /*
  2346. * For primary command mode and video mode encoders, execute the
  2347. * resource control pre-stop operations before the physical encoders
  2348. * are disabled, to allow the rsc to transition its states properly.
  2349. *
  2350. * For other encoder types, rsc should not be enabled until after
  2351. * they have been fully disabled, so delay the pre-stop operations
  2352. * until after the physical disable calls have returned.
  2353. */
  2354. if (sde_enc->disp_info.display_type == SDE_CONNECTOR_PRIMARY &&
  2355. (intf_mode == INTF_MODE_CMD || intf_mode == INTF_MODE_VIDEO)) {
  2356. sde_encoder_resource_control(drm_enc,
  2357. SDE_ENC_RC_EVENT_PRE_STOP);
  2358. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  2359. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  2360. if (phys && phys->ops.disable)
  2361. phys->ops.disable(phys);
  2362. }
  2363. } else {
  2364. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  2365. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  2366. if (phys && phys->ops.disable)
  2367. phys->ops.disable(phys);
  2368. }
  2369. sde_encoder_resource_control(drm_enc,
  2370. SDE_ENC_RC_EVENT_PRE_STOP);
  2371. }
  2372. /*
  2373. * disable dce after the transfer is complete (for command mode)
  2374. * and after physical encoder is disabled, to make sure timing
  2375. * engine is already disabled (for video mode).
  2376. */
  2377. if (!sde_in_trusted_vm(sde_kms))
  2378. sde_encoder_dce_disable(sde_enc);
  2379. sde_encoder_resource_control(drm_enc, SDE_ENC_RC_EVENT_STOP);
  2380. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  2381. if (sde_enc->phys_encs[i]) {
  2382. sde_enc->phys_encs[i]->cont_splash_enabled = false;
  2383. sde_enc->phys_encs[i]->connector = NULL;
  2384. }
  2385. atomic_set(&sde_enc->frame_done_cnt[i], 0);
  2386. }
  2387. sde_enc->cur_master = NULL;
  2388. /*
  2389. * clear the cached crtc in sde_enc on use case finish, after all the
  2390. * outstanding events and timers have been completed
  2391. */
  2392. sde_enc->crtc = NULL;
  2393. memset(&sde_enc->mode_info, 0, sizeof(sde_enc->mode_info));
  2394. kthread_cancel_delayed_work_sync(&sde_enc->delayed_off_work);
  2395. SDE_DEBUG_ENC(sde_enc, "encoder disabled\n");
  2396. sde_rm_release(&sde_kms->rm, drm_enc, false);
  2397. }
  2398. void sde_encoder_helper_phys_disable(struct sde_encoder_phys *phys_enc,
  2399. struct sde_encoder_phys_wb *wb_enc)
  2400. {
  2401. struct sde_encoder_virt *sde_enc;
  2402. phys_enc->hw_ctl->ops.reset(phys_enc->hw_ctl);
  2403. sde_encoder_helper_reset_mixers(phys_enc, NULL);
  2404. if (wb_enc) {
  2405. if (wb_enc->hw_wb->ops.bind_pingpong_blk) {
  2406. wb_enc->hw_wb->ops.bind_pingpong_blk(wb_enc->hw_wb,
  2407. false, phys_enc->hw_pp->idx);
  2408. if (phys_enc->hw_ctl->ops.update_bitmask)
  2409. phys_enc->hw_ctl->ops.update_bitmask(
  2410. phys_enc->hw_ctl,
  2411. SDE_HW_FLUSH_WB,
  2412. wb_enc->hw_wb->idx, true);
  2413. }
  2414. } else {
  2415. if (phys_enc->hw_intf->ops.bind_pingpong_blk) {
  2416. phys_enc->hw_intf->ops.bind_pingpong_blk(
  2417. phys_enc->hw_intf, false,
  2418. phys_enc->hw_pp->idx);
  2419. if (phys_enc->hw_ctl->ops.update_bitmask)
  2420. phys_enc->hw_ctl->ops.update_bitmask(
  2421. phys_enc->hw_ctl,
  2422. SDE_HW_FLUSH_INTF,
  2423. phys_enc->hw_intf->idx, true);
  2424. }
  2425. }
  2426. if (phys_enc->hw_pp && phys_enc->hw_pp->ops.reset_3d_mode) {
  2427. phys_enc->hw_pp->ops.reset_3d_mode(phys_enc->hw_pp);
  2428. if (phys_enc->hw_ctl->ops.update_bitmask &&
  2429. phys_enc->hw_pp->merge_3d)
  2430. phys_enc->hw_ctl->ops.update_bitmask(
  2431. phys_enc->hw_ctl, SDE_HW_FLUSH_MERGE_3D,
  2432. phys_enc->hw_pp->merge_3d->idx, true);
  2433. }
  2434. if (phys_enc->hw_cdm && phys_enc->hw_cdm->ops.bind_pingpong_blk &&
  2435. phys_enc->hw_pp) {
  2436. phys_enc->hw_cdm->ops.bind_pingpong_blk(phys_enc->hw_cdm,
  2437. false, phys_enc->hw_pp->idx);
  2438. if (phys_enc->hw_ctl->ops.update_bitmask)
  2439. phys_enc->hw_ctl->ops.update_bitmask(
  2440. phys_enc->hw_ctl, SDE_HW_FLUSH_CDM,
  2441. phys_enc->hw_cdm->idx, true);
  2442. }
  2443. sde_enc = to_sde_encoder_virt(phys_enc->parent);
  2444. if (phys_enc == sde_enc->cur_master && phys_enc->hw_pp &&
  2445. phys_enc->hw_ctl->ops.reset_post_disable)
  2446. phys_enc->hw_ctl->ops.reset_post_disable(
  2447. phys_enc->hw_ctl, &phys_enc->intf_cfg_v1,
  2448. phys_enc->hw_pp->merge_3d ?
  2449. phys_enc->hw_pp->merge_3d->idx : 0);
  2450. phys_enc->hw_ctl->ops.trigger_flush(phys_enc->hw_ctl);
  2451. phys_enc->hw_ctl->ops.trigger_start(phys_enc->hw_ctl);
  2452. }
  2453. static enum sde_intf sde_encoder_get_intf(struct sde_mdss_cfg *catalog,
  2454. enum sde_intf_type type, u32 controller_id)
  2455. {
  2456. int i = 0;
  2457. for (i = 0; i < catalog->intf_count; i++) {
  2458. if (catalog->intf[i].type == type
  2459. && catalog->intf[i].controller_id == controller_id) {
  2460. return catalog->intf[i].id;
  2461. }
  2462. }
  2463. return INTF_MAX;
  2464. }
  2465. static enum sde_wb sde_encoder_get_wb(struct sde_mdss_cfg *catalog,
  2466. enum sde_intf_type type, u32 controller_id)
  2467. {
  2468. if (controller_id < catalog->wb_count)
  2469. return catalog->wb[controller_id].id;
  2470. return WB_MAX;
  2471. }
  2472. void sde_encoder_perf_uidle_status(struct sde_kms *sde_kms,
  2473. struct drm_crtc *crtc)
  2474. {
  2475. struct sde_hw_uidle *uidle;
  2476. struct sde_uidle_cntr cntr;
  2477. struct sde_uidle_status status;
  2478. if (!sde_kms || !crtc || !sde_kms->hw_uidle) {
  2479. pr_err("invalid params %d %d\n",
  2480. !sde_kms, !crtc);
  2481. return;
  2482. }
  2483. /* check if perf counters are enabled and setup */
  2484. if (!sde_kms->catalog->uidle_cfg.perf_cntr_en)
  2485. return;
  2486. uidle = sde_kms->hw_uidle;
  2487. if ((sde_kms->catalog->uidle_cfg.debugfs_perf & SDE_PERF_UIDLE_STATUS)
  2488. && uidle->ops.uidle_get_status) {
  2489. uidle->ops.uidle_get_status(uidle, &status);
  2490. trace_sde_perf_uidle_status(
  2491. crtc->base.id,
  2492. status.uidle_danger_status_0,
  2493. status.uidle_danger_status_1,
  2494. status.uidle_safe_status_0,
  2495. status.uidle_safe_status_1,
  2496. status.uidle_idle_status_0,
  2497. status.uidle_idle_status_1,
  2498. status.uidle_fal_status_0,
  2499. status.uidle_fal_status_1,
  2500. status.uidle_status,
  2501. status.uidle_en_fal10);
  2502. }
  2503. if ((sde_kms->catalog->uidle_cfg.debugfs_perf & SDE_PERF_UIDLE_CNT)
  2504. && uidle->ops.uidle_get_cntr) {
  2505. uidle->ops.uidle_get_cntr(uidle, &cntr);
  2506. trace_sde_perf_uidle_cntr(
  2507. crtc->base.id,
  2508. cntr.fal1_gate_cntr,
  2509. cntr.fal10_gate_cntr,
  2510. cntr.fal_wait_gate_cntr,
  2511. cntr.fal1_num_transitions_cntr,
  2512. cntr.fal10_num_transitions_cntr,
  2513. cntr.min_gate_cntr,
  2514. cntr.max_gate_cntr);
  2515. }
  2516. }
  2517. static void sde_encoder_vblank_callback(struct drm_encoder *drm_enc,
  2518. struct sde_encoder_phys *phy_enc)
  2519. {
  2520. struct sde_encoder_virt *sde_enc = NULL;
  2521. unsigned long lock_flags;
  2522. if (!drm_enc || !phy_enc)
  2523. return;
  2524. SDE_ATRACE_BEGIN("encoder_vblank_callback");
  2525. sde_enc = to_sde_encoder_virt(drm_enc);
  2526. spin_lock_irqsave(&sde_enc->enc_spinlock, lock_flags);
  2527. if (sde_enc->crtc_vblank_cb)
  2528. sde_enc->crtc_vblank_cb(sde_enc->crtc_vblank_cb_data);
  2529. spin_unlock_irqrestore(&sde_enc->enc_spinlock, lock_flags);
  2530. if (phy_enc->sde_kms &&
  2531. phy_enc->sde_kms->catalog->uidle_cfg.debugfs_perf)
  2532. sde_encoder_perf_uidle_status(phy_enc->sde_kms, sde_enc->crtc);
  2533. atomic_inc(&phy_enc->vsync_cnt);
  2534. SDE_ATRACE_END("encoder_vblank_callback");
  2535. }
  2536. static void sde_encoder_underrun_callback(struct drm_encoder *drm_enc,
  2537. struct sde_encoder_phys *phy_enc)
  2538. {
  2539. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  2540. if (!phy_enc)
  2541. return;
  2542. SDE_ATRACE_BEGIN("encoder_underrun_callback");
  2543. atomic_inc(&phy_enc->underrun_cnt);
  2544. SDE_EVT32(DRMID(drm_enc), atomic_read(&phy_enc->underrun_cnt));
  2545. if (sde_enc->cur_master &&
  2546. sde_enc->cur_master->ops.get_underrun_line_count)
  2547. sde_enc->cur_master->ops.get_underrun_line_count(
  2548. sde_enc->cur_master);
  2549. trace_sde_encoder_underrun(DRMID(drm_enc),
  2550. atomic_read(&phy_enc->underrun_cnt));
  2551. SDE_DBG_CTRL("stop_ftrace");
  2552. SDE_DBG_CTRL("panic_underrun");
  2553. SDE_ATRACE_END("encoder_underrun_callback");
  2554. }
  2555. void sde_encoder_register_vblank_callback(struct drm_encoder *drm_enc,
  2556. void (*vbl_cb)(void *), void *vbl_data)
  2557. {
  2558. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  2559. unsigned long lock_flags;
  2560. bool enable;
  2561. int i;
  2562. enable = vbl_cb ? true : false;
  2563. if (!drm_enc) {
  2564. SDE_ERROR("invalid encoder\n");
  2565. return;
  2566. }
  2567. SDE_DEBUG_ENC(sde_enc, "\n");
  2568. SDE_EVT32(DRMID(drm_enc), enable);
  2569. if (sde_encoder_in_clone_mode(drm_enc)) {
  2570. SDE_EVT32(DRMID(drm_enc), SDE_EVTLOG_ERROR);
  2571. return;
  2572. }
  2573. spin_lock_irqsave(&sde_enc->enc_spinlock, lock_flags);
  2574. sde_enc->crtc_vblank_cb = vbl_cb;
  2575. sde_enc->crtc_vblank_cb_data = vbl_data;
  2576. spin_unlock_irqrestore(&sde_enc->enc_spinlock, lock_flags);
  2577. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  2578. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  2579. if (phys && phys->ops.control_vblank_irq)
  2580. phys->ops.control_vblank_irq(phys, enable);
  2581. }
  2582. sde_enc->vblank_enabled = enable;
  2583. }
  2584. void sde_encoder_register_frame_event_callback(struct drm_encoder *drm_enc,
  2585. void (*frame_event_cb)(void *, u32 event),
  2586. struct drm_crtc *crtc)
  2587. {
  2588. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  2589. unsigned long lock_flags;
  2590. bool enable;
  2591. enable = frame_event_cb ? true : false;
  2592. if (!drm_enc) {
  2593. SDE_ERROR("invalid encoder\n");
  2594. return;
  2595. }
  2596. SDE_DEBUG_ENC(sde_enc, "\n");
  2597. SDE_EVT32(DRMID(drm_enc), enable, 0);
  2598. spin_lock_irqsave(&sde_enc->enc_spinlock, lock_flags);
  2599. sde_enc->crtc_frame_event_cb = frame_event_cb;
  2600. sde_enc->crtc_frame_event_cb_data.crtc = crtc;
  2601. spin_unlock_irqrestore(&sde_enc->enc_spinlock, lock_flags);
  2602. }
  2603. static void sde_encoder_frame_done_callback(
  2604. struct drm_encoder *drm_enc,
  2605. struct sde_encoder_phys *ready_phys, u32 event)
  2606. {
  2607. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  2608. unsigned int i;
  2609. bool trigger = true;
  2610. bool is_cmd_mode = false;
  2611. enum sde_rm_topology_name topology = SDE_RM_TOPOLOGY_NONE;
  2612. if (!drm_enc || !sde_enc->cur_master) {
  2613. SDE_ERROR("invalid param: drm_enc %pK, cur_master %pK\n",
  2614. drm_enc, drm_enc ? sde_enc->cur_master : 0);
  2615. return;
  2616. }
  2617. sde_enc->crtc_frame_event_cb_data.connector =
  2618. sde_enc->cur_master->connector;
  2619. if (sde_encoder_check_curr_mode(drm_enc, MSM_DISPLAY_CMD_MODE))
  2620. is_cmd_mode = true;
  2621. if (event & (SDE_ENCODER_FRAME_EVENT_DONE
  2622. | SDE_ENCODER_FRAME_EVENT_ERROR
  2623. | SDE_ENCODER_FRAME_EVENT_PANEL_DEAD) && is_cmd_mode) {
  2624. if (ready_phys->connector)
  2625. topology = sde_connector_get_topology_name(
  2626. ready_phys->connector);
  2627. /* One of the physical encoders has become idle */
  2628. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  2629. if (sde_enc->phys_encs[i] == ready_phys) {
  2630. SDE_EVT32_VERBOSE(DRMID(drm_enc), i,
  2631. atomic_read(&sde_enc->frame_done_cnt[i]));
  2632. if (!atomic_add_unless(
  2633. &sde_enc->frame_done_cnt[i], 1, 2)) {
  2634. SDE_EVT32(DRMID(drm_enc), event,
  2635. ready_phys->intf_idx,
  2636. SDE_EVTLOG_ERROR);
  2637. SDE_ERROR_ENC(sde_enc,
  2638. "intf idx:%d, event:%d\n",
  2639. ready_phys->intf_idx, event);
  2640. return;
  2641. }
  2642. }
  2643. if (topology != SDE_RM_TOPOLOGY_PPSPLIT &&
  2644. atomic_read(&sde_enc->frame_done_cnt[i]) == 0)
  2645. trigger = false;
  2646. }
  2647. if (trigger) {
  2648. if (sde_enc->crtc_frame_event_cb)
  2649. sde_enc->crtc_frame_event_cb(
  2650. &sde_enc->crtc_frame_event_cb_data,
  2651. event);
  2652. for (i = 0; i < sde_enc->num_phys_encs; i++)
  2653. atomic_add_unless(&sde_enc->frame_done_cnt[i],
  2654. -1, 0);
  2655. }
  2656. } else if (sde_enc->crtc_frame_event_cb) {
  2657. sde_enc->crtc_frame_event_cb(
  2658. &sde_enc->crtc_frame_event_cb_data, event);
  2659. }
  2660. }
  2661. static void sde_encoder_get_qsync_fps_callback(
  2662. struct drm_encoder *drm_enc,
  2663. u32 *qsync_fps)
  2664. {
  2665. struct msm_display_info *disp_info;
  2666. struct sde_encoder_virt *sde_enc;
  2667. if (!qsync_fps)
  2668. return;
  2669. *qsync_fps = 0;
  2670. if (!drm_enc) {
  2671. SDE_ERROR("invalid drm encoder\n");
  2672. return;
  2673. }
  2674. sde_enc = to_sde_encoder_virt(drm_enc);
  2675. disp_info = &sde_enc->disp_info;
  2676. *qsync_fps = disp_info->qsync_min_fps;
  2677. }
  2678. int sde_encoder_idle_request(struct drm_encoder *drm_enc)
  2679. {
  2680. struct sde_encoder_virt *sde_enc;
  2681. if (!drm_enc) {
  2682. SDE_ERROR("invalid drm encoder\n");
  2683. return -EINVAL;
  2684. }
  2685. sde_enc = to_sde_encoder_virt(drm_enc);
  2686. sde_encoder_resource_control(&sde_enc->base,
  2687. SDE_ENC_RC_EVENT_ENTER_IDLE);
  2688. return 0;
  2689. }
  2690. /**
  2691. * _sde_encoder_trigger_flush - trigger flush for a physical encoder
  2692. * drm_enc: Pointer to drm encoder structure
  2693. * phys: Pointer to physical encoder structure
  2694. * extra_flush: Additional bit mask to include in flush trigger
  2695. * config_changed: if true new config is applied, avoid increment of retire
  2696. * count if false
  2697. */
  2698. static inline void _sde_encoder_trigger_flush(struct drm_encoder *drm_enc,
  2699. struct sde_encoder_phys *phys,
  2700. struct sde_ctl_flush_cfg *extra_flush,
  2701. bool config_changed)
  2702. {
  2703. struct sde_hw_ctl *ctl;
  2704. unsigned long lock_flags;
  2705. struct sde_encoder_virt *sde_enc;
  2706. int pend_ret_fence_cnt;
  2707. struct sde_connector *c_conn;
  2708. if (!drm_enc || !phys) {
  2709. SDE_ERROR("invalid argument(s), drm_enc %d, phys_enc %d\n",
  2710. !drm_enc, !phys);
  2711. return;
  2712. }
  2713. sde_enc = to_sde_encoder_virt(drm_enc);
  2714. c_conn = to_sde_connector(phys->connector);
  2715. if (!phys->hw_pp) {
  2716. SDE_ERROR("invalid pingpong hw\n");
  2717. return;
  2718. }
  2719. ctl = phys->hw_ctl;
  2720. if (!ctl || !phys->ops.trigger_flush) {
  2721. SDE_ERROR("missing ctl/trigger cb\n");
  2722. return;
  2723. }
  2724. if (phys->split_role == ENC_ROLE_SKIP) {
  2725. SDE_DEBUG_ENC(to_sde_encoder_virt(phys->parent),
  2726. "skip flush pp%d ctl%d\n",
  2727. phys->hw_pp->idx - PINGPONG_0,
  2728. ctl->idx - CTL_0);
  2729. return;
  2730. }
  2731. /* update pending counts and trigger kickoff ctl flush atomically */
  2732. spin_lock_irqsave(&sde_enc->enc_spinlock, lock_flags);
  2733. if (phys->ops.is_master && phys->ops.is_master(phys) && config_changed)
  2734. atomic_inc(&phys->pending_retire_fence_cnt);
  2735. pend_ret_fence_cnt = atomic_read(&phys->pending_retire_fence_cnt);
  2736. if (phys->hw_intf && phys->hw_intf->cap->type == INTF_DP &&
  2737. ctl->ops.update_bitmask) {
  2738. /* perform peripheral flush on every frame update for dp dsc */
  2739. if (phys->comp_type == MSM_DISPLAY_COMPRESSION_DSC &&
  2740. phys->comp_ratio && c_conn->ops.update_pps) {
  2741. c_conn->ops.update_pps(phys->connector, NULL,
  2742. c_conn->display);
  2743. ctl->ops.update_bitmask(ctl, SDE_HW_FLUSH_PERIPH,
  2744. phys->hw_intf->idx, 1);
  2745. }
  2746. if (sde_enc->dynamic_hdr_updated)
  2747. ctl->ops.update_bitmask(ctl, SDE_HW_FLUSH_PERIPH,
  2748. phys->hw_intf->idx, 1);
  2749. }
  2750. if ((extra_flush && extra_flush->pending_flush_mask)
  2751. && ctl->ops.update_pending_flush)
  2752. ctl->ops.update_pending_flush(ctl, extra_flush);
  2753. phys->ops.trigger_flush(phys);
  2754. spin_unlock_irqrestore(&sde_enc->enc_spinlock, lock_flags);
  2755. if (ctl->ops.get_pending_flush) {
  2756. struct sde_ctl_flush_cfg pending_flush = {0,};
  2757. ctl->ops.get_pending_flush(ctl, &pending_flush);
  2758. SDE_EVT32(DRMID(drm_enc), phys->intf_idx - INTF_0,
  2759. ctl->idx - CTL_0,
  2760. pending_flush.pending_flush_mask,
  2761. pend_ret_fence_cnt);
  2762. } else {
  2763. SDE_EVT32(DRMID(drm_enc), phys->intf_idx - INTF_0,
  2764. ctl->idx - CTL_0,
  2765. pend_ret_fence_cnt);
  2766. }
  2767. }
  2768. /**
  2769. * _sde_encoder_trigger_start - trigger start for a physical encoder
  2770. * phys: Pointer to physical encoder structure
  2771. */
  2772. static inline void _sde_encoder_trigger_start(struct sde_encoder_phys *phys)
  2773. {
  2774. struct sde_hw_ctl *ctl;
  2775. struct sde_encoder_virt *sde_enc;
  2776. if (!phys) {
  2777. SDE_ERROR("invalid argument(s)\n");
  2778. return;
  2779. }
  2780. if (!phys->hw_pp) {
  2781. SDE_ERROR("invalid pingpong hw\n");
  2782. return;
  2783. }
  2784. if (!phys->parent) {
  2785. SDE_ERROR("invalid parent\n");
  2786. return;
  2787. }
  2788. /* avoid ctrl start for encoder in clone mode */
  2789. if (phys->in_clone_mode)
  2790. return;
  2791. ctl = phys->hw_ctl;
  2792. sde_enc = to_sde_encoder_virt(phys->parent);
  2793. if (phys->split_role == ENC_ROLE_SKIP) {
  2794. SDE_DEBUG_ENC(sde_enc,
  2795. "skip start pp%d ctl%d\n",
  2796. phys->hw_pp->idx - PINGPONG_0,
  2797. ctl->idx - CTL_0);
  2798. return;
  2799. }
  2800. if (phys->ops.trigger_start && phys->enable_state != SDE_ENC_DISABLED)
  2801. phys->ops.trigger_start(phys);
  2802. }
  2803. void sde_encoder_helper_trigger_flush(struct sde_encoder_phys *phys_enc)
  2804. {
  2805. struct sde_hw_ctl *ctl;
  2806. if (!phys_enc) {
  2807. SDE_ERROR("invalid encoder\n");
  2808. return;
  2809. }
  2810. ctl = phys_enc->hw_ctl;
  2811. if (ctl && ctl->ops.trigger_flush)
  2812. ctl->ops.trigger_flush(ctl);
  2813. }
  2814. void sde_encoder_helper_trigger_start(struct sde_encoder_phys *phys_enc)
  2815. {
  2816. struct sde_hw_ctl *ctl;
  2817. if (!phys_enc) {
  2818. SDE_ERROR("invalid encoder\n");
  2819. return;
  2820. }
  2821. ctl = phys_enc->hw_ctl;
  2822. if (ctl && ctl->ops.trigger_start) {
  2823. ctl->ops.trigger_start(ctl);
  2824. SDE_EVT32(DRMID(phys_enc->parent), ctl->idx - CTL_0);
  2825. }
  2826. }
  2827. void sde_encoder_helper_hw_reset(struct sde_encoder_phys *phys_enc)
  2828. {
  2829. struct sde_encoder_virt *sde_enc;
  2830. struct sde_connector *sde_con;
  2831. void *sde_con_disp;
  2832. struct sde_hw_ctl *ctl;
  2833. int rc;
  2834. if (!phys_enc) {
  2835. SDE_ERROR("invalid encoder\n");
  2836. return;
  2837. }
  2838. sde_enc = to_sde_encoder_virt(phys_enc->parent);
  2839. ctl = phys_enc->hw_ctl;
  2840. if (!ctl || !ctl->ops.reset)
  2841. return;
  2842. SDE_DEBUG_ENC(sde_enc, "ctl %d reset\n", ctl->idx);
  2843. SDE_EVT32(DRMID(phys_enc->parent), ctl->idx);
  2844. if (phys_enc->ops.is_master && phys_enc->ops.is_master(phys_enc) &&
  2845. phys_enc->connector) {
  2846. sde_con = to_sde_connector(phys_enc->connector);
  2847. sde_con_disp = sde_connector_get_display(phys_enc->connector);
  2848. if (sde_con->ops.soft_reset) {
  2849. rc = sde_con->ops.soft_reset(sde_con_disp);
  2850. if (rc) {
  2851. SDE_ERROR_ENC(sde_enc,
  2852. "connector soft reset failure\n");
  2853. SDE_DBG_DUMP("all", "dbg_bus", "vbif_dbg_bus",
  2854. "panic");
  2855. }
  2856. }
  2857. }
  2858. phys_enc->enable_state = SDE_ENC_ENABLED;
  2859. }
  2860. /**
  2861. * _sde_encoder_kickoff_phys - handle physical encoder kickoff
  2862. * Iterate through the physical encoders and perform consolidated flush
  2863. * and/or control start triggering as needed. This is done in the virtual
  2864. * encoder rather than the individual physical ones in order to handle
  2865. * use cases that require visibility into multiple physical encoders at
  2866. * a time.
  2867. * sde_enc: Pointer to virtual encoder structure
  2868. * config_changed: if true new config is applied. Avoid regdma_flush and
  2869. * incrementing the retire count if false.
  2870. */
  2871. static void _sde_encoder_kickoff_phys(struct sde_encoder_virt *sde_enc,
  2872. bool config_changed)
  2873. {
  2874. struct sde_hw_ctl *ctl;
  2875. uint32_t i;
  2876. struct sde_ctl_flush_cfg pending_flush = {0,};
  2877. u32 pending_kickoff_cnt;
  2878. struct msm_drm_private *priv = NULL;
  2879. struct sde_kms *sde_kms = NULL;
  2880. struct sde_crtc_misr_info crtc_misr_info = {false, 0};
  2881. bool is_regdma_blocking = false, is_vid_mode = false;
  2882. struct sde_crtc *sde_crtc;
  2883. if (!sde_enc) {
  2884. SDE_ERROR("invalid encoder\n");
  2885. return;
  2886. }
  2887. sde_crtc = to_sde_crtc(sde_enc->crtc);
  2888. if (sde_encoder_check_curr_mode(&sde_enc->base, MSM_DISPLAY_VIDEO_MODE))
  2889. is_vid_mode = true;
  2890. is_regdma_blocking = (is_vid_mode ||
  2891. _sde_encoder_is_autorefresh_enabled(sde_enc));
  2892. /* don't perform flush/start operations for slave encoders */
  2893. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  2894. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  2895. enum sde_rm_topology_name topology = SDE_RM_TOPOLOGY_NONE;
  2896. if (!phys || phys->enable_state == SDE_ENC_DISABLED)
  2897. continue;
  2898. ctl = phys->hw_ctl;
  2899. if (!ctl)
  2900. continue;
  2901. if (phys->connector)
  2902. topology = sde_connector_get_topology_name(
  2903. phys->connector);
  2904. if (!phys->ops.needs_single_flush ||
  2905. !phys->ops.needs_single_flush(phys)) {
  2906. if (config_changed && ctl->ops.reg_dma_flush)
  2907. ctl->ops.reg_dma_flush(ctl, is_regdma_blocking);
  2908. _sde_encoder_trigger_flush(&sde_enc->base, phys, 0x0,
  2909. config_changed);
  2910. } else if (ctl->ops.get_pending_flush) {
  2911. ctl->ops.get_pending_flush(ctl, &pending_flush);
  2912. }
  2913. }
  2914. /* for split flush, combine pending flush masks and send to master */
  2915. if (pending_flush.pending_flush_mask && sde_enc->cur_master) {
  2916. ctl = sde_enc->cur_master->hw_ctl;
  2917. if (config_changed && ctl->ops.reg_dma_flush)
  2918. ctl->ops.reg_dma_flush(ctl, is_regdma_blocking);
  2919. _sde_encoder_trigger_flush(&sde_enc->base, sde_enc->cur_master,
  2920. &pending_flush,
  2921. config_changed);
  2922. }
  2923. /* update pending_kickoff_cnt AFTER flush but before trigger start */
  2924. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  2925. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  2926. if (!phys || phys->enable_state == SDE_ENC_DISABLED)
  2927. continue;
  2928. if (!phys->ops.needs_single_flush ||
  2929. !phys->ops.needs_single_flush(phys)) {
  2930. pending_kickoff_cnt =
  2931. sde_encoder_phys_inc_pending(phys);
  2932. SDE_EVT32(pending_kickoff_cnt, SDE_EVTLOG_FUNC_CASE1);
  2933. } else {
  2934. pending_kickoff_cnt =
  2935. sde_encoder_phys_inc_pending(phys);
  2936. SDE_EVT32(pending_kickoff_cnt,
  2937. pending_flush.pending_flush_mask,
  2938. SDE_EVTLOG_FUNC_CASE2);
  2939. }
  2940. }
  2941. if (sde_enc->misr_enable)
  2942. sde_encoder_misr_configure(&sde_enc->base, true,
  2943. sde_enc->misr_frame_count);
  2944. sde_crtc_get_misr_info(sde_enc->crtc, &crtc_misr_info);
  2945. if (crtc_misr_info.misr_enable && sde_crtc &&
  2946. sde_crtc->misr_reconfigure) {
  2947. sde_crtc_misr_setup(sde_enc->crtc, true,
  2948. crtc_misr_info.misr_frame_count);
  2949. sde_crtc->misr_reconfigure = false;
  2950. }
  2951. _sde_encoder_trigger_start(sde_enc->cur_master);
  2952. if (sde_enc->elevated_ahb_vote) {
  2953. sde_kms = sde_encoder_get_kms(&sde_enc->base);
  2954. priv = sde_enc->base.dev->dev_private;
  2955. if (sde_kms != NULL) {
  2956. sde_power_scale_reg_bus(&priv->phandle,
  2957. VOTE_INDEX_LOW,
  2958. false);
  2959. }
  2960. sde_enc->elevated_ahb_vote = false;
  2961. }
  2962. }
  2963. static void _sde_encoder_ppsplit_swap_intf_for_right_only_update(
  2964. struct drm_encoder *drm_enc,
  2965. unsigned long *affected_displays,
  2966. int num_active_phys)
  2967. {
  2968. struct sde_encoder_virt *sde_enc;
  2969. struct sde_encoder_phys *master;
  2970. enum sde_rm_topology_name topology;
  2971. bool is_right_only;
  2972. if (!drm_enc || !affected_displays)
  2973. return;
  2974. sde_enc = to_sde_encoder_virt(drm_enc);
  2975. master = sde_enc->cur_master;
  2976. if (!master || !master->connector)
  2977. return;
  2978. topology = sde_connector_get_topology_name(master->connector);
  2979. if (topology != SDE_RM_TOPOLOGY_PPSPLIT)
  2980. return;
  2981. /*
  2982. * For pingpong split, the slave pingpong won't generate IRQs. For
  2983. * right-only updates, we can't swap pingpongs, or simply swap the
  2984. * master/slave assignment, we actually have to swap the interfaces
  2985. * so that the master physical encoder will use a pingpong/interface
  2986. * that generates irqs on which to wait.
  2987. */
  2988. is_right_only = !test_bit(0, affected_displays) &&
  2989. test_bit(1, affected_displays);
  2990. if (is_right_only && !sde_enc->intfs_swapped) {
  2991. /* right-only update swap interfaces */
  2992. swap(sde_enc->phys_encs[0]->intf_idx,
  2993. sde_enc->phys_encs[1]->intf_idx);
  2994. sde_enc->intfs_swapped = true;
  2995. } else if (!is_right_only && sde_enc->intfs_swapped) {
  2996. /* left-only or full update, swap back */
  2997. swap(sde_enc->phys_encs[0]->intf_idx,
  2998. sde_enc->phys_encs[1]->intf_idx);
  2999. sde_enc->intfs_swapped = false;
  3000. }
  3001. SDE_DEBUG_ENC(sde_enc,
  3002. "right_only %d swapped %d phys0->intf%d, phys1->intf%d\n",
  3003. is_right_only, sde_enc->intfs_swapped,
  3004. sde_enc->phys_encs[0]->intf_idx - INTF_0,
  3005. sde_enc->phys_encs[1]->intf_idx - INTF_0);
  3006. SDE_EVT32(DRMID(drm_enc), is_right_only, sde_enc->intfs_swapped,
  3007. sde_enc->phys_encs[0]->intf_idx - INTF_0,
  3008. sde_enc->phys_encs[1]->intf_idx - INTF_0,
  3009. *affected_displays);
  3010. /* ppsplit always uses master since ppslave invalid for irqs*/
  3011. if (num_active_phys == 1)
  3012. *affected_displays = BIT(0);
  3013. }
  3014. static void _sde_encoder_update_master(struct drm_encoder *drm_enc,
  3015. struct sde_encoder_kickoff_params *params)
  3016. {
  3017. struct sde_encoder_virt *sde_enc;
  3018. struct sde_encoder_phys *phys;
  3019. int i, num_active_phys;
  3020. bool master_assigned = false;
  3021. if (!drm_enc || !params)
  3022. return;
  3023. sde_enc = to_sde_encoder_virt(drm_enc);
  3024. if (sde_enc->num_phys_encs <= 1)
  3025. return;
  3026. /* count bits set */
  3027. num_active_phys = hweight_long(params->affected_displays);
  3028. SDE_DEBUG_ENC(sde_enc, "affected_displays 0x%lx num_active_phys %d\n",
  3029. params->affected_displays, num_active_phys);
  3030. SDE_EVT32_VERBOSE(DRMID(drm_enc), params->affected_displays,
  3031. num_active_phys);
  3032. /* for left/right only update, ppsplit master switches interface */
  3033. _sde_encoder_ppsplit_swap_intf_for_right_only_update(drm_enc,
  3034. &params->affected_displays, num_active_phys);
  3035. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  3036. enum sde_enc_split_role prv_role, new_role;
  3037. bool active = false;
  3038. phys = sde_enc->phys_encs[i];
  3039. if (!phys || !phys->ops.update_split_role || !phys->hw_pp)
  3040. continue;
  3041. active = test_bit(i, &params->affected_displays);
  3042. prv_role = phys->split_role;
  3043. if (active && num_active_phys == 1)
  3044. new_role = ENC_ROLE_SOLO;
  3045. else if (active && !master_assigned)
  3046. new_role = ENC_ROLE_MASTER;
  3047. else if (active)
  3048. new_role = ENC_ROLE_SLAVE;
  3049. else
  3050. new_role = ENC_ROLE_SKIP;
  3051. phys->ops.update_split_role(phys, new_role);
  3052. if (new_role == ENC_ROLE_SOLO || new_role == ENC_ROLE_MASTER) {
  3053. sde_enc->cur_master = phys;
  3054. master_assigned = true;
  3055. }
  3056. SDE_DEBUG_ENC(sde_enc, "pp %d role prv %d new %d active %d\n",
  3057. phys->hw_pp->idx - PINGPONG_0, prv_role,
  3058. phys->split_role, active);
  3059. SDE_EVT32(DRMID(drm_enc), params->affected_displays,
  3060. phys->hw_pp->idx - PINGPONG_0, prv_role,
  3061. phys->split_role, active, num_active_phys);
  3062. }
  3063. }
  3064. bool sde_encoder_check_curr_mode(struct drm_encoder *drm_enc, u32 mode)
  3065. {
  3066. struct sde_encoder_virt *sde_enc;
  3067. struct msm_display_info *disp_info;
  3068. if (!drm_enc) {
  3069. SDE_ERROR("invalid encoder\n");
  3070. return false;
  3071. }
  3072. sde_enc = to_sde_encoder_virt(drm_enc);
  3073. disp_info = &sde_enc->disp_info;
  3074. return (disp_info->curr_panel_mode == mode);
  3075. }
  3076. void sde_encoder_trigger_kickoff_pending(struct drm_encoder *drm_enc)
  3077. {
  3078. struct sde_encoder_virt *sde_enc;
  3079. struct sde_encoder_phys *phys;
  3080. unsigned int i;
  3081. struct sde_hw_ctl *ctl;
  3082. if (!drm_enc) {
  3083. SDE_ERROR("invalid encoder\n");
  3084. return;
  3085. }
  3086. sde_enc = to_sde_encoder_virt(drm_enc);
  3087. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  3088. phys = sde_enc->phys_encs[i];
  3089. if (phys && phys->hw_ctl && (phys == sde_enc->cur_master) &&
  3090. sde_encoder_check_curr_mode(drm_enc,
  3091. MSM_DISPLAY_CMD_MODE)) {
  3092. ctl = phys->hw_ctl;
  3093. if (ctl->ops.trigger_pending)
  3094. /* update only for command mode primary ctl */
  3095. ctl->ops.trigger_pending(ctl);
  3096. }
  3097. }
  3098. sde_enc->idle_pc_restore = false;
  3099. }
  3100. static void sde_encoder_esd_trigger_work_handler(struct kthread_work *work)
  3101. {
  3102. struct sde_encoder_virt *sde_enc = container_of(work,
  3103. struct sde_encoder_virt, esd_trigger_work);
  3104. if (!sde_enc) {
  3105. SDE_ERROR("invalid sde encoder\n");
  3106. return;
  3107. }
  3108. sde_encoder_resource_control(&sde_enc->base,
  3109. SDE_ENC_RC_EVENT_KICKOFF);
  3110. }
  3111. static void sde_encoder_input_event_work_handler(struct kthread_work *work)
  3112. {
  3113. struct sde_encoder_virt *sde_enc = container_of(work,
  3114. struct sde_encoder_virt, input_event_work);
  3115. if (!sde_enc) {
  3116. SDE_ERROR("invalid sde encoder\n");
  3117. return;
  3118. }
  3119. sde_encoder_resource_control(&sde_enc->base,
  3120. SDE_ENC_RC_EVENT_EARLY_WAKEUP);
  3121. }
  3122. static void sde_encoder_early_wakeup_work_handler(struct kthread_work *work)
  3123. {
  3124. struct sde_encoder_virt *sde_enc = container_of(work,
  3125. struct sde_encoder_virt, early_wakeup_work);
  3126. if (!sde_enc) {
  3127. SDE_ERROR("invalid sde encoder\n");
  3128. return;
  3129. }
  3130. SDE_ATRACE_BEGIN("encoder_early_wakeup");
  3131. sde_encoder_resource_control(&sde_enc->base,
  3132. SDE_ENC_RC_EVENT_EARLY_WAKEUP);
  3133. SDE_ATRACE_END("encoder_early_wakeup");
  3134. }
  3135. void sde_encoder_early_wakeup(struct drm_encoder *drm_enc)
  3136. {
  3137. struct sde_encoder_virt *sde_enc = NULL;
  3138. struct msm_drm_thread *disp_thread = NULL;
  3139. struct msm_drm_private *priv = NULL;
  3140. priv = drm_enc->dev->dev_private;
  3141. sde_enc = to_sde_encoder_virt(drm_enc);
  3142. if (!sde_encoder_check_curr_mode(drm_enc, MSM_DISPLAY_CMD_MODE)) {
  3143. SDE_DEBUG_ENC(sde_enc,
  3144. "should only early wake up command mode display\n");
  3145. return;
  3146. }
  3147. if (!sde_enc->crtc || (sde_enc->crtc->index
  3148. >= ARRAY_SIZE(priv->event_thread))) {
  3149. SDE_DEBUG_ENC(sde_enc, "invalid CRTC: %d or crtc index: %d\n",
  3150. sde_enc->crtc == NULL,
  3151. sde_enc->crtc ? sde_enc->crtc->index : -EINVAL);
  3152. return;
  3153. }
  3154. disp_thread = &priv->disp_thread[sde_enc->crtc->index];
  3155. SDE_ATRACE_BEGIN("queue_early_wakeup_work");
  3156. kthread_queue_work(&disp_thread->worker,
  3157. &sde_enc->early_wakeup_work);
  3158. SDE_ATRACE_END("queue_early_wakeup_work");
  3159. }
  3160. int sde_encoder_poll_line_counts(struct drm_encoder *drm_enc)
  3161. {
  3162. static const uint64_t timeout_us = 50000;
  3163. static const uint64_t sleep_us = 20;
  3164. struct sde_encoder_virt *sde_enc;
  3165. ktime_t cur_ktime, exp_ktime;
  3166. uint32_t line_count, tmp, i;
  3167. if (!drm_enc) {
  3168. SDE_ERROR("invalid encoder\n");
  3169. return -EINVAL;
  3170. }
  3171. sde_enc = to_sde_encoder_virt(drm_enc);
  3172. if (!sde_enc->cur_master ||
  3173. !sde_enc->cur_master->ops.get_line_count) {
  3174. SDE_DEBUG_ENC(sde_enc, "can't get master line count\n");
  3175. SDE_EVT32(DRMID(drm_enc), SDE_EVTLOG_ERROR);
  3176. return -EINVAL;
  3177. }
  3178. exp_ktime = ktime_add_ms(ktime_get(), timeout_us / 1000);
  3179. line_count = sde_enc->cur_master->ops.get_line_count(
  3180. sde_enc->cur_master);
  3181. for (i = 0; i < (timeout_us * 2 / sleep_us); ++i) {
  3182. tmp = line_count;
  3183. line_count = sde_enc->cur_master->ops.get_line_count(
  3184. sde_enc->cur_master);
  3185. if (line_count < tmp) {
  3186. SDE_EVT32(DRMID(drm_enc), line_count);
  3187. return 0;
  3188. }
  3189. cur_ktime = ktime_get();
  3190. if (ktime_compare_safe(exp_ktime, cur_ktime) <= 0)
  3191. break;
  3192. usleep_range(sleep_us / 2, sleep_us);
  3193. }
  3194. SDE_EVT32(DRMID(drm_enc), line_count, SDE_EVTLOG_ERROR);
  3195. return -ETIMEDOUT;
  3196. }
  3197. static int _helper_flush_qsync(struct sde_encoder_phys *phys_enc)
  3198. {
  3199. struct drm_encoder *drm_enc;
  3200. struct sde_rm_hw_iter rm_iter;
  3201. bool lm_valid = false;
  3202. bool intf_valid = false;
  3203. if (!phys_enc || !phys_enc->parent) {
  3204. SDE_ERROR("invalid encoder\n");
  3205. return -EINVAL;
  3206. }
  3207. drm_enc = phys_enc->parent;
  3208. /* Flush the interfaces for AVR update or Qsync with INTF TE */
  3209. if (phys_enc->intf_mode == INTF_MODE_VIDEO ||
  3210. (phys_enc->intf_mode == INTF_MODE_CMD &&
  3211. phys_enc->has_intf_te)) {
  3212. sde_rm_init_hw_iter(&rm_iter, drm_enc->base.id,
  3213. SDE_HW_BLK_INTF);
  3214. while (sde_rm_get_hw(&phys_enc->sde_kms->rm, &rm_iter)) {
  3215. struct sde_hw_intf *hw_intf =
  3216. (struct sde_hw_intf *)rm_iter.hw;
  3217. if (!hw_intf)
  3218. continue;
  3219. if (phys_enc->hw_ctl->ops.update_bitmask)
  3220. phys_enc->hw_ctl->ops.update_bitmask(
  3221. phys_enc->hw_ctl,
  3222. SDE_HW_FLUSH_INTF,
  3223. hw_intf->idx, 1);
  3224. intf_valid = true;
  3225. }
  3226. if (!intf_valid) {
  3227. SDE_ERROR_ENC(to_sde_encoder_virt(drm_enc),
  3228. "intf not found to flush\n");
  3229. return -EFAULT;
  3230. }
  3231. } else {
  3232. sde_rm_init_hw_iter(&rm_iter, drm_enc->base.id, SDE_HW_BLK_LM);
  3233. while (sde_rm_get_hw(&phys_enc->sde_kms->rm, &rm_iter)) {
  3234. struct sde_hw_mixer *hw_lm =
  3235. (struct sde_hw_mixer *)rm_iter.hw;
  3236. if (!hw_lm)
  3237. continue;
  3238. /* update LM flush for HW without INTF TE */
  3239. if (phys_enc->hw_ctl->ops.update_bitmask_mixer)
  3240. phys_enc->hw_ctl->ops.update_bitmask_mixer(
  3241. phys_enc->hw_ctl,
  3242. hw_lm->idx, 1);
  3243. lm_valid = true;
  3244. }
  3245. if (!lm_valid) {
  3246. SDE_ERROR_ENC(to_sde_encoder_virt(drm_enc),
  3247. "lm not found to flush\n");
  3248. return -EFAULT;
  3249. }
  3250. }
  3251. return 0;
  3252. }
  3253. static void _sde_encoder_helper_hdr_plus_mempool_update(
  3254. struct sde_encoder_virt *sde_enc)
  3255. {
  3256. struct sde_connector_dyn_hdr_metadata *dhdr_meta = NULL;
  3257. struct sde_hw_mdp *mdptop = NULL;
  3258. sde_enc->dynamic_hdr_updated = false;
  3259. if (sde_enc->cur_master) {
  3260. mdptop = sde_enc->cur_master->hw_mdptop;
  3261. dhdr_meta = sde_connector_get_dyn_hdr_meta(
  3262. sde_enc->cur_master->connector);
  3263. }
  3264. if (!mdptop || !dhdr_meta || !dhdr_meta->dynamic_hdr_update)
  3265. return;
  3266. if (mdptop->ops.set_hdr_plus_metadata) {
  3267. sde_enc->dynamic_hdr_updated = true;
  3268. mdptop->ops.set_hdr_plus_metadata(
  3269. mdptop, dhdr_meta->dynamic_hdr_payload,
  3270. dhdr_meta->dynamic_hdr_payload_size,
  3271. sde_enc->cur_master->intf_idx == INTF_0 ?
  3272. 0 : 1);
  3273. }
  3274. }
  3275. void sde_encoder_needs_hw_reset(struct drm_encoder *drm_enc)
  3276. {
  3277. struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
  3278. struct sde_encoder_phys *phys;
  3279. int i;
  3280. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  3281. phys = sde_enc->phys_encs[i];
  3282. if (phys && phys->ops.hw_reset)
  3283. phys->ops.hw_reset(phys);
  3284. }
  3285. }
  3286. int sde_encoder_prepare_for_kickoff(struct drm_encoder *drm_enc,
  3287. struct sde_encoder_kickoff_params *params)
  3288. {
  3289. struct sde_encoder_virt *sde_enc;
  3290. struct sde_encoder_phys *phys;
  3291. struct sde_kms *sde_kms = NULL;
  3292. struct sde_crtc *sde_crtc;
  3293. bool needs_hw_reset = false, is_cmd_mode;
  3294. int i, rc, ret = 0;
  3295. struct msm_display_info *disp_info;
  3296. if (!drm_enc || !params || !drm_enc->dev ||
  3297. !drm_enc->dev->dev_private) {
  3298. SDE_ERROR("invalid args\n");
  3299. return -EINVAL;
  3300. }
  3301. sde_enc = to_sde_encoder_virt(drm_enc);
  3302. sde_kms = sde_encoder_get_kms(drm_enc);
  3303. if (!sde_kms)
  3304. return -EINVAL;
  3305. disp_info = &sde_enc->disp_info;
  3306. sde_crtc = to_sde_crtc(sde_enc->crtc);
  3307. SDE_DEBUG_ENC(sde_enc, "\n");
  3308. SDE_EVT32(DRMID(drm_enc));
  3309. is_cmd_mode = sde_encoder_check_curr_mode(drm_enc,
  3310. MSM_DISPLAY_CMD_MODE);
  3311. if (sde_enc->cur_master && sde_enc->cur_master->connector
  3312. && is_cmd_mode)
  3313. sde_enc->frame_trigger_mode = sde_connector_get_property(
  3314. sde_enc->cur_master->connector->state,
  3315. CONNECTOR_PROP_CMD_FRAME_TRIGGER_MODE);
  3316. _sde_encoder_helper_hdr_plus_mempool_update(sde_enc);
  3317. /* prepare for next kickoff, may include waiting on previous kickoff */
  3318. SDE_ATRACE_BEGIN("sde_encoder_prepare_for_kickoff");
  3319. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  3320. phys = sde_enc->phys_encs[i];
  3321. params->frame_trigger_mode = sde_enc->frame_trigger_mode;
  3322. params->recovery_events_enabled =
  3323. sde_enc->recovery_events_enabled;
  3324. if (phys) {
  3325. if (phys->ops.prepare_for_kickoff) {
  3326. rc = phys->ops.prepare_for_kickoff(
  3327. phys, params);
  3328. if (rc)
  3329. ret = rc;
  3330. }
  3331. if (phys->enable_state == SDE_ENC_ERR_NEEDS_HW_RESET)
  3332. needs_hw_reset = true;
  3333. _sde_encoder_setup_dither(phys);
  3334. if (sde_enc->cur_master &&
  3335. sde_connector_is_qsync_updated(
  3336. sde_enc->cur_master->connector)) {
  3337. _helper_flush_qsync(phys);
  3338. }
  3339. }
  3340. }
  3341. rc = sde_encoder_resource_control(drm_enc, SDE_ENC_RC_EVENT_KICKOFF);
  3342. if (rc) {
  3343. SDE_ERROR_ENC(sde_enc, "resource kickoff failed rc %d\n", rc);
  3344. ret = rc;
  3345. goto end;
  3346. }
  3347. /* if any phys needs reset, reset all phys, in-order */
  3348. if (needs_hw_reset)
  3349. sde_encoder_needs_hw_reset(drm_enc);
  3350. _sde_encoder_update_master(drm_enc, params);
  3351. _sde_encoder_update_roi(drm_enc);
  3352. if (sde_enc->cur_master && sde_enc->cur_master->connector) {
  3353. rc = sde_connector_pre_kickoff(sde_enc->cur_master->connector);
  3354. if (rc) {
  3355. SDE_ERROR_ENC(sde_enc, "kickoff conn%d failed rc %d\n",
  3356. sde_enc->cur_master->connector->base.id,
  3357. rc);
  3358. ret = rc;
  3359. }
  3360. }
  3361. if (sde_enc->cur_master &&
  3362. ((is_cmd_mode && sde_enc->cur_master->cont_splash_enabled) ||
  3363. !sde_enc->cur_master->cont_splash_enabled)) {
  3364. rc = sde_encoder_dce_setup(sde_enc, params);
  3365. if (rc) {
  3366. SDE_ERROR_ENC(sde_enc, "failed to setup DSC: %d\n", rc);
  3367. ret = rc;
  3368. }
  3369. }
  3370. sde_encoder_dce_flush(sde_enc);
  3371. if (sde_enc->cur_master && !sde_enc->cur_master->cont_splash_enabled)
  3372. sde_configure_qdss(sde_enc, sde_enc->cur_master->hw_qdss,
  3373. sde_enc->cur_master, sde_kms->qdss_enabled);
  3374. end:
  3375. SDE_ATRACE_END("sde_encoder_prepare_for_kickoff");
  3376. return ret;
  3377. }
  3378. /**
  3379. * _sde_encoder_reset_ctl_hw - reset h/w configuration for all ctl's associated
  3380. * with the specified encoder, and unstage all pipes from it
  3381. * @encoder: encoder pointer
  3382. * Returns: 0 on success
  3383. */
  3384. static int _sde_encoder_reset_ctl_hw(struct drm_encoder *drm_enc)
  3385. {
  3386. struct sde_encoder_virt *sde_enc;
  3387. struct sde_encoder_phys *phys;
  3388. unsigned int i;
  3389. int rc = 0;
  3390. if (!drm_enc) {
  3391. SDE_ERROR("invalid encoder\n");
  3392. return -EINVAL;
  3393. }
  3394. sde_enc = to_sde_encoder_virt(drm_enc);
  3395. SDE_ATRACE_BEGIN("encoder_release_lm");
  3396. SDE_DEBUG_ENC(sde_enc, "\n");
  3397. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  3398. phys = sde_enc->phys_encs[i];
  3399. if (!phys)
  3400. continue;
  3401. SDE_EVT32(DRMID(drm_enc), phys->intf_idx - INTF_0);
  3402. rc = sde_encoder_helper_reset_mixers(phys, NULL);
  3403. if (rc)
  3404. SDE_EVT32(DRMID(drm_enc), rc, SDE_EVTLOG_ERROR);
  3405. }
  3406. SDE_ATRACE_END("encoder_release_lm");
  3407. return rc;
  3408. }
  3409. void sde_encoder_kickoff(struct drm_encoder *drm_enc, bool is_error,
  3410. bool config_changed)
  3411. {
  3412. struct sde_encoder_virt *sde_enc;
  3413. struct sde_encoder_phys *phys;
  3414. unsigned int i;
  3415. if (!drm_enc) {
  3416. SDE_ERROR("invalid encoder\n");
  3417. return;
  3418. }
  3419. SDE_ATRACE_BEGIN("encoder_kickoff");
  3420. sde_enc = to_sde_encoder_virt(drm_enc);
  3421. SDE_DEBUG_ENC(sde_enc, "\n");
  3422. /* create a 'no pipes' commit to release buffers on errors */
  3423. if (is_error)
  3424. _sde_encoder_reset_ctl_hw(drm_enc);
  3425. /* All phys encs are ready to go, trigger the kickoff */
  3426. _sde_encoder_kickoff_phys(sde_enc, config_changed);
  3427. /* allow phys encs to handle any post-kickoff business */
  3428. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  3429. phys = sde_enc->phys_encs[i];
  3430. if (phys && phys->ops.handle_post_kickoff)
  3431. phys->ops.handle_post_kickoff(phys);
  3432. }
  3433. SDE_ATRACE_END("encoder_kickoff");
  3434. }
  3435. void sde_encoder_helper_get_pp_line_count(struct drm_encoder *drm_enc,
  3436. struct sde_hw_pp_vsync_info *info)
  3437. {
  3438. struct sde_encoder_virt *sde_enc;
  3439. struct sde_encoder_phys *phys;
  3440. int i, ret;
  3441. if (!drm_enc || !info)
  3442. return;
  3443. sde_enc = to_sde_encoder_virt(drm_enc);
  3444. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  3445. phys = sde_enc->phys_encs[i];
  3446. if (phys && phys->hw_intf && phys->hw_pp
  3447. && phys->hw_intf->ops.get_vsync_info) {
  3448. ret = phys->hw_intf->ops.get_vsync_info(
  3449. phys->hw_intf, &info[i]);
  3450. if (!ret) {
  3451. info[i].pp_idx = phys->hw_pp->idx - PINGPONG_0;
  3452. info[i].intf_idx = phys->hw_intf->idx - INTF_0;
  3453. }
  3454. }
  3455. }
  3456. }
  3457. void sde_encoder_helper_get_transfer_time(struct drm_encoder *drm_enc,
  3458. u32 *transfer_time_us)
  3459. {
  3460. struct sde_encoder_virt *sde_enc;
  3461. struct msm_mode_info *info;
  3462. if (!drm_enc || !transfer_time_us) {
  3463. SDE_ERROR("bad arg: encoder:%d transfer_time:%d\n", !drm_enc,
  3464. !transfer_time_us);
  3465. return;
  3466. }
  3467. sde_enc = to_sde_encoder_virt(drm_enc);
  3468. info = &sde_enc->mode_info;
  3469. *transfer_time_us = info->mdp_transfer_time_us;
  3470. }
  3471. int sde_encoder_helper_reset_mixers(struct sde_encoder_phys *phys_enc,
  3472. struct drm_framebuffer *fb)
  3473. {
  3474. struct drm_encoder *drm_enc;
  3475. struct sde_hw_mixer_cfg mixer;
  3476. struct sde_rm_hw_iter lm_iter;
  3477. bool lm_valid = false;
  3478. if (!phys_enc || !phys_enc->parent) {
  3479. SDE_ERROR("invalid encoder\n");
  3480. return -EINVAL;
  3481. }
  3482. drm_enc = phys_enc->parent;
  3483. memset(&mixer, 0, sizeof(mixer));
  3484. /* reset associated CTL/LMs */
  3485. if (phys_enc->hw_ctl->ops.clear_all_blendstages)
  3486. phys_enc->hw_ctl->ops.clear_all_blendstages(phys_enc->hw_ctl);
  3487. sde_rm_init_hw_iter(&lm_iter, drm_enc->base.id, SDE_HW_BLK_LM);
  3488. while (sde_rm_get_hw(&phys_enc->sde_kms->rm, &lm_iter)) {
  3489. struct sde_hw_mixer *hw_lm = (struct sde_hw_mixer *)lm_iter.hw;
  3490. if (!hw_lm)
  3491. continue;
  3492. /* need to flush LM to remove it */
  3493. if (phys_enc->hw_ctl->ops.update_bitmask_mixer)
  3494. phys_enc->hw_ctl->ops.update_bitmask_mixer(
  3495. phys_enc->hw_ctl,
  3496. hw_lm->idx, 1);
  3497. if (fb) {
  3498. /* assume a single LM if targeting a frame buffer */
  3499. if (lm_valid)
  3500. continue;
  3501. mixer.out_height = fb->height;
  3502. mixer.out_width = fb->width;
  3503. if (hw_lm->ops.setup_mixer_out)
  3504. hw_lm->ops.setup_mixer_out(hw_lm, &mixer);
  3505. }
  3506. lm_valid = true;
  3507. /* only enable border color on LM */
  3508. if (phys_enc->hw_ctl->ops.setup_blendstage)
  3509. phys_enc->hw_ctl->ops.setup_blendstage(
  3510. phys_enc->hw_ctl, hw_lm->idx, NULL, false);
  3511. }
  3512. if (!lm_valid) {
  3513. SDE_ERROR_ENC(to_sde_encoder_virt(drm_enc), "lm not found\n");
  3514. return -EFAULT;
  3515. }
  3516. return 0;
  3517. }
  3518. int sde_encoder_prepare_commit(struct drm_encoder *drm_enc)
  3519. {
  3520. struct sde_encoder_virt *sde_enc;
  3521. struct sde_encoder_phys *phys;
  3522. int i, rc = 0, ret = 0;
  3523. struct sde_hw_ctl *ctl;
  3524. if (!drm_enc) {
  3525. SDE_ERROR("invalid encoder\n");
  3526. return -EINVAL;
  3527. }
  3528. sde_enc = to_sde_encoder_virt(drm_enc);
  3529. /* update the qsync parameters for the current frame */
  3530. if (sde_enc->cur_master)
  3531. sde_connector_set_qsync_params(
  3532. sde_enc->cur_master->connector);
  3533. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  3534. phys = sde_enc->phys_encs[i];
  3535. if (phys && phys->ops.prepare_commit)
  3536. phys->ops.prepare_commit(phys);
  3537. if (phys && phys->enable_state == SDE_ENC_ERR_NEEDS_HW_RESET)
  3538. ret = -ETIMEDOUT;
  3539. if (phys && phys->hw_ctl) {
  3540. ctl = phys->hw_ctl;
  3541. /*
  3542. * avoid clearing the pending flush during the first
  3543. * frame update after idle power collpase as the
  3544. * restore path would have updated the pending flush
  3545. */
  3546. if (!sde_enc->idle_pc_restore &&
  3547. ctl->ops.clear_pending_flush)
  3548. ctl->ops.clear_pending_flush(ctl);
  3549. }
  3550. }
  3551. if (sde_enc->cur_master && sde_enc->cur_master->connector) {
  3552. rc = sde_connector_prepare_commit(
  3553. sde_enc->cur_master->connector);
  3554. if (rc)
  3555. SDE_ERROR_ENC(sde_enc,
  3556. "prepare commit failed conn %d rc %d\n",
  3557. sde_enc->cur_master->connector->base.id,
  3558. rc);
  3559. }
  3560. return ret;
  3561. }
  3562. void sde_encoder_helper_setup_misr(struct sde_encoder_phys *phys_enc,
  3563. bool enable, u32 frame_count)
  3564. {
  3565. if (!phys_enc)
  3566. return;
  3567. if (phys_enc->hw_intf && phys_enc->hw_intf->ops.setup_misr)
  3568. phys_enc->hw_intf->ops.setup_misr(phys_enc->hw_intf,
  3569. enable, frame_count);
  3570. }
  3571. int sde_encoder_helper_collect_misr(struct sde_encoder_phys *phys_enc,
  3572. bool nonblock, u32 *misr_value)
  3573. {
  3574. if (!phys_enc)
  3575. return -EINVAL;
  3576. return phys_enc->hw_intf && phys_enc->hw_intf->ops.collect_misr ?
  3577. phys_enc->hw_intf->ops.collect_misr(phys_enc->hw_intf,
  3578. nonblock, misr_value) : -ENOTSUPP;
  3579. }
  3580. #ifdef CONFIG_DEBUG_FS
  3581. static int _sde_encoder_status_show(struct seq_file *s, void *data)
  3582. {
  3583. struct sde_encoder_virt *sde_enc;
  3584. int i;
  3585. if (!s || !s->private)
  3586. return -EINVAL;
  3587. sde_enc = s->private;
  3588. mutex_lock(&sde_enc->enc_lock);
  3589. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  3590. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  3591. if (!phys)
  3592. continue;
  3593. seq_printf(s, "intf:%d vsync:%8d underrun:%8d ",
  3594. phys->intf_idx - INTF_0,
  3595. atomic_read(&phys->vsync_cnt),
  3596. atomic_read(&phys->underrun_cnt));
  3597. switch (phys->intf_mode) {
  3598. case INTF_MODE_VIDEO:
  3599. seq_puts(s, "mode: video\n");
  3600. break;
  3601. case INTF_MODE_CMD:
  3602. seq_puts(s, "mode: command\n");
  3603. break;
  3604. case INTF_MODE_WB_BLOCK:
  3605. seq_puts(s, "mode: wb block\n");
  3606. break;
  3607. case INTF_MODE_WB_LINE:
  3608. seq_puts(s, "mode: wb line\n");
  3609. break;
  3610. default:
  3611. seq_puts(s, "mode: ???\n");
  3612. break;
  3613. }
  3614. }
  3615. mutex_unlock(&sde_enc->enc_lock);
  3616. return 0;
  3617. }
  3618. static int _sde_encoder_debugfs_status_open(struct inode *inode,
  3619. struct file *file)
  3620. {
  3621. return single_open(file, _sde_encoder_status_show, inode->i_private);
  3622. }
  3623. static ssize_t _sde_encoder_misr_setup(struct file *file,
  3624. const char __user *user_buf, size_t count, loff_t *ppos)
  3625. {
  3626. struct sde_encoder_virt *sde_enc;
  3627. char buf[MISR_BUFF_SIZE + 1];
  3628. size_t buff_copy;
  3629. u32 frame_count, enable;
  3630. struct sde_kms *sde_kms = NULL;
  3631. struct drm_encoder *drm_enc;
  3632. if (!file || !file->private_data)
  3633. return -EINVAL;
  3634. sde_enc = file->private_data;
  3635. if (!sde_enc)
  3636. return -EINVAL;
  3637. sde_kms = sde_encoder_get_kms(&sde_enc->base);
  3638. if (!sde_kms)
  3639. return -EINVAL;
  3640. drm_enc = &sde_enc->base;
  3641. if (sde_kms_is_secure_session_inprogress(sde_kms)) {
  3642. SDE_DEBUG_ENC(sde_enc, "misr enable/disable not allowed\n");
  3643. return -ENOTSUPP;
  3644. }
  3645. buff_copy = min_t(size_t, count, MISR_BUFF_SIZE);
  3646. if (copy_from_user(buf, user_buf, buff_copy))
  3647. return -EINVAL;
  3648. buf[buff_copy] = 0; /* end of string */
  3649. if (sscanf(buf, "%u %u", &enable, &frame_count) != 2)
  3650. return -EINVAL;
  3651. sde_enc->misr_enable = enable;
  3652. sde_enc->misr_reconfigure = true;
  3653. sde_enc->misr_frame_count = frame_count;
  3654. return count;
  3655. }
  3656. static ssize_t _sde_encoder_misr_read(struct file *file,
  3657. char __user *user_buff, size_t count, loff_t *ppos)
  3658. {
  3659. struct sde_encoder_virt *sde_enc;
  3660. struct sde_kms *sde_kms = NULL;
  3661. struct drm_encoder *drm_enc;
  3662. int i = 0, len = 0;
  3663. char buf[MISR_BUFF_SIZE + 1] = {'\0'};
  3664. int rc;
  3665. if (*ppos)
  3666. return 0;
  3667. if (!file || !file->private_data)
  3668. return -EINVAL;
  3669. sde_enc = file->private_data;
  3670. sde_kms = sde_encoder_get_kms(&sde_enc->base);
  3671. if (!sde_kms)
  3672. return -EINVAL;
  3673. if (sde_kms_is_secure_session_inprogress(sde_kms)) {
  3674. SDE_DEBUG_ENC(sde_enc, "misr read not allowed\n");
  3675. return -ENOTSUPP;
  3676. }
  3677. drm_enc = &sde_enc->base;
  3678. rc = pm_runtime_get_sync(drm_enc->dev->dev);
  3679. if (rc < 0)
  3680. return rc;
  3681. if (!sde_enc->misr_enable) {
  3682. len += scnprintf(buf + len, MISR_BUFF_SIZE - len,
  3683. "disabled\n");
  3684. goto buff_check;
  3685. }
  3686. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  3687. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  3688. u32 misr_value = 0;
  3689. if (!phys || !phys->ops.collect_misr) {
  3690. len += scnprintf(buf + len, MISR_BUFF_SIZE - len,
  3691. "invalid\n");
  3692. SDE_ERROR_ENC(sde_enc, "invalid misr ops\n");
  3693. continue;
  3694. }
  3695. rc = phys->ops.collect_misr(phys, false, &misr_value);
  3696. if (rc) {
  3697. len += scnprintf(buf + len, MISR_BUFF_SIZE - len,
  3698. "invalid\n");
  3699. SDE_ERROR_ENC(sde_enc, "failed to collect misr %d\n",
  3700. rc);
  3701. continue;
  3702. } else {
  3703. len += scnprintf(buf + len, MISR_BUFF_SIZE - len,
  3704. "Intf idx:%d\n",
  3705. phys->intf_idx - INTF_0);
  3706. len += scnprintf(buf + len, MISR_BUFF_SIZE - len,
  3707. "0x%x\n", misr_value);
  3708. }
  3709. }
  3710. buff_check:
  3711. if (count <= len) {
  3712. len = 0;
  3713. goto end;
  3714. }
  3715. if (copy_to_user(user_buff, buf, len)) {
  3716. len = -EFAULT;
  3717. goto end;
  3718. }
  3719. *ppos += len; /* increase offset */
  3720. end:
  3721. pm_runtime_put_sync(drm_enc->dev->dev);
  3722. return len;
  3723. }
  3724. static int _sde_encoder_init_debugfs(struct drm_encoder *drm_enc)
  3725. {
  3726. struct sde_encoder_virt *sde_enc;
  3727. struct sde_kms *sde_kms;
  3728. int i;
  3729. static const struct file_operations debugfs_status_fops = {
  3730. .open = _sde_encoder_debugfs_status_open,
  3731. .read = seq_read,
  3732. .llseek = seq_lseek,
  3733. .release = single_release,
  3734. };
  3735. static const struct file_operations debugfs_misr_fops = {
  3736. .open = simple_open,
  3737. .read = _sde_encoder_misr_read,
  3738. .write = _sde_encoder_misr_setup,
  3739. };
  3740. char name[SDE_NAME_SIZE];
  3741. if (!drm_enc) {
  3742. SDE_ERROR("invalid encoder\n");
  3743. return -EINVAL;
  3744. }
  3745. sde_enc = to_sde_encoder_virt(drm_enc);
  3746. sde_kms = sde_encoder_get_kms(drm_enc);
  3747. if (!sde_kms) {
  3748. SDE_ERROR("invalid sde_kms\n");
  3749. return -EINVAL;
  3750. }
  3751. snprintf(name, SDE_NAME_SIZE, "encoder%u", drm_enc->base.id);
  3752. /* create overall sub-directory for the encoder */
  3753. sde_enc->debugfs_root = debugfs_create_dir(name,
  3754. drm_enc->dev->primary->debugfs_root);
  3755. if (!sde_enc->debugfs_root)
  3756. return -ENOMEM;
  3757. /* don't error check these */
  3758. debugfs_create_file("status", 0400,
  3759. sde_enc->debugfs_root, sde_enc, &debugfs_status_fops);
  3760. debugfs_create_file("misr_data", 0600,
  3761. sde_enc->debugfs_root, sde_enc, &debugfs_misr_fops);
  3762. debugfs_create_bool("idle_power_collapse", 0600, sde_enc->debugfs_root,
  3763. &sde_enc->idle_pc_enabled);
  3764. debugfs_create_u32("frame_trigger_mode", 0400, sde_enc->debugfs_root,
  3765. &sde_enc->frame_trigger_mode);
  3766. for (i = 0; i < sde_enc->num_phys_encs; i++)
  3767. if (sde_enc->phys_encs[i] &&
  3768. sde_enc->phys_encs[i]->ops.late_register)
  3769. sde_enc->phys_encs[i]->ops.late_register(
  3770. sde_enc->phys_encs[i],
  3771. sde_enc->debugfs_root);
  3772. return 0;
  3773. }
  3774. static void _sde_encoder_destroy_debugfs(struct drm_encoder *drm_enc)
  3775. {
  3776. struct sde_encoder_virt *sde_enc;
  3777. if (!drm_enc)
  3778. return;
  3779. sde_enc = to_sde_encoder_virt(drm_enc);
  3780. debugfs_remove_recursive(sde_enc->debugfs_root);
  3781. }
  3782. #else
  3783. static int _sde_encoder_init_debugfs(struct drm_encoder *drm_enc)
  3784. {
  3785. return 0;
  3786. }
  3787. static void _sde_encoder_destroy_debugfs(struct drm_encoder *drm_enc)
  3788. {
  3789. }
  3790. #endif
  3791. static int sde_encoder_late_register(struct drm_encoder *encoder)
  3792. {
  3793. return _sde_encoder_init_debugfs(encoder);
  3794. }
  3795. static void sde_encoder_early_unregister(struct drm_encoder *encoder)
  3796. {
  3797. _sde_encoder_destroy_debugfs(encoder);
  3798. }
  3799. static int sde_encoder_virt_add_phys_encs(
  3800. struct msm_display_info *disp_info,
  3801. struct sde_encoder_virt *sde_enc,
  3802. struct sde_enc_phys_init_params *params)
  3803. {
  3804. struct sde_encoder_phys *enc = NULL;
  3805. u32 display_caps = disp_info->capabilities;
  3806. SDE_DEBUG_ENC(sde_enc, "\n");
  3807. /*
  3808. * We may create up to NUM_PHYS_ENCODER_TYPES physical encoder types
  3809. * in this function, check up-front.
  3810. */
  3811. if (sde_enc->num_phys_encs + NUM_PHYS_ENCODER_TYPES >=
  3812. ARRAY_SIZE(sde_enc->phys_encs)) {
  3813. SDE_ERROR_ENC(sde_enc, "too many physical encoders %d\n",
  3814. sde_enc->num_phys_encs);
  3815. return -EINVAL;
  3816. }
  3817. if (display_caps & MSM_DISPLAY_CAP_VID_MODE) {
  3818. enc = sde_encoder_phys_vid_init(params);
  3819. if (IS_ERR_OR_NULL(enc)) {
  3820. SDE_ERROR_ENC(sde_enc, "failed to init vid enc: %ld\n",
  3821. PTR_ERR(enc));
  3822. return !enc ? -EINVAL : PTR_ERR(enc);
  3823. }
  3824. sde_enc->phys_vid_encs[sde_enc->num_phys_encs] = enc;
  3825. }
  3826. if (display_caps & MSM_DISPLAY_CAP_CMD_MODE) {
  3827. enc = sde_encoder_phys_cmd_init(params);
  3828. if (IS_ERR_OR_NULL(enc)) {
  3829. SDE_ERROR_ENC(sde_enc, "failed to init cmd enc: %ld\n",
  3830. PTR_ERR(enc));
  3831. return !enc ? -EINVAL : PTR_ERR(enc);
  3832. }
  3833. sde_enc->phys_cmd_encs[sde_enc->num_phys_encs] = enc;
  3834. }
  3835. if (disp_info->curr_panel_mode == MSM_DISPLAY_VIDEO_MODE)
  3836. sde_enc->phys_encs[sde_enc->num_phys_encs] =
  3837. sde_enc->phys_vid_encs[sde_enc->num_phys_encs];
  3838. else
  3839. sde_enc->phys_encs[sde_enc->num_phys_encs] =
  3840. sde_enc->phys_cmd_encs[sde_enc->num_phys_encs];
  3841. ++sde_enc->num_phys_encs;
  3842. return 0;
  3843. }
  3844. static int sde_encoder_virt_add_phys_enc_wb(struct sde_encoder_virt *sde_enc,
  3845. struct sde_enc_phys_init_params *params)
  3846. {
  3847. struct sde_encoder_phys *enc = NULL;
  3848. if (!sde_enc) {
  3849. SDE_ERROR("invalid encoder\n");
  3850. return -EINVAL;
  3851. }
  3852. SDE_DEBUG_ENC(sde_enc, "\n");
  3853. if (sde_enc->num_phys_encs + 1 >= ARRAY_SIZE(sde_enc->phys_encs)) {
  3854. SDE_ERROR_ENC(sde_enc, "too many physical encoders %d\n",
  3855. sde_enc->num_phys_encs);
  3856. return -EINVAL;
  3857. }
  3858. enc = sde_encoder_phys_wb_init(params);
  3859. if (IS_ERR_OR_NULL(enc)) {
  3860. SDE_ERROR_ENC(sde_enc, "failed to init wb enc: %ld\n",
  3861. PTR_ERR(enc));
  3862. return !enc ? -EINVAL : PTR_ERR(enc);
  3863. }
  3864. sde_enc->phys_encs[sde_enc->num_phys_encs] = enc;
  3865. ++sde_enc->num_phys_encs;
  3866. return 0;
  3867. }
  3868. static int sde_encoder_setup_display(struct sde_encoder_virt *sde_enc,
  3869. struct sde_kms *sde_kms,
  3870. struct msm_display_info *disp_info,
  3871. int *drm_enc_mode)
  3872. {
  3873. int ret = 0;
  3874. int i = 0;
  3875. enum sde_intf_type intf_type;
  3876. struct sde_encoder_virt_ops parent_ops = {
  3877. sde_encoder_vblank_callback,
  3878. sde_encoder_underrun_callback,
  3879. sde_encoder_frame_done_callback,
  3880. sde_encoder_get_qsync_fps_callback,
  3881. };
  3882. struct sde_enc_phys_init_params phys_params;
  3883. if (!sde_enc || !sde_kms) {
  3884. SDE_ERROR("invalid arg(s), enc %d kms %d\n",
  3885. !sde_enc, !sde_kms);
  3886. return -EINVAL;
  3887. }
  3888. memset(&phys_params, 0, sizeof(phys_params));
  3889. phys_params.sde_kms = sde_kms;
  3890. phys_params.parent = &sde_enc->base;
  3891. phys_params.parent_ops = parent_ops;
  3892. phys_params.enc_spinlock = &sde_enc->enc_spinlock;
  3893. phys_params.vblank_ctl_lock = &sde_enc->vblank_ctl_lock;
  3894. SDE_DEBUG("\n");
  3895. if (disp_info->intf_type == DRM_MODE_CONNECTOR_DSI) {
  3896. *drm_enc_mode = DRM_MODE_ENCODER_DSI;
  3897. intf_type = INTF_DSI;
  3898. } else if (disp_info->intf_type == DRM_MODE_CONNECTOR_HDMIA) {
  3899. *drm_enc_mode = DRM_MODE_ENCODER_TMDS;
  3900. intf_type = INTF_HDMI;
  3901. } else if (disp_info->intf_type == DRM_MODE_CONNECTOR_DisplayPort) {
  3902. if (disp_info->capabilities & MSM_DISPLAY_CAP_MST_MODE)
  3903. *drm_enc_mode = DRM_MODE_ENCODER_DPMST;
  3904. else
  3905. *drm_enc_mode = DRM_MODE_ENCODER_TMDS;
  3906. intf_type = INTF_DP;
  3907. } else if (disp_info->intf_type == DRM_MODE_CONNECTOR_VIRTUAL) {
  3908. *drm_enc_mode = DRM_MODE_ENCODER_VIRTUAL;
  3909. intf_type = INTF_WB;
  3910. } else {
  3911. SDE_ERROR_ENC(sde_enc, "unsupported display interface type\n");
  3912. return -EINVAL;
  3913. }
  3914. WARN_ON(disp_info->num_of_h_tiles < 1);
  3915. sde_enc->display_num_of_h_tiles = disp_info->num_of_h_tiles;
  3916. sde_enc->te_source = disp_info->te_source;
  3917. SDE_DEBUG("dsi_info->num_of_h_tiles %d\n", disp_info->num_of_h_tiles);
  3918. if ((disp_info->capabilities & MSM_DISPLAY_CAP_CMD_MODE) ||
  3919. (disp_info->capabilities & MSM_DISPLAY_CAP_VID_MODE))
  3920. sde_enc->idle_pc_enabled = sde_kms->catalog->has_idle_pc;
  3921. sde_enc->input_event_enabled = sde_kms->catalog->wakeup_with_touch;
  3922. mutex_lock(&sde_enc->enc_lock);
  3923. for (i = 0; i < disp_info->num_of_h_tiles && !ret; i++) {
  3924. /*
  3925. * Left-most tile is at index 0, content is controller id
  3926. * h_tile_instance_ids[2] = {0, 1}; DSI0 = left, DSI1 = right
  3927. * h_tile_instance_ids[2] = {1, 0}; DSI1 = left, DSI0 = right
  3928. */
  3929. u32 controller_id = disp_info->h_tile_instance[i];
  3930. if (disp_info->num_of_h_tiles > 1) {
  3931. if (i == 0)
  3932. phys_params.split_role = ENC_ROLE_MASTER;
  3933. else
  3934. phys_params.split_role = ENC_ROLE_SLAVE;
  3935. } else {
  3936. phys_params.split_role = ENC_ROLE_SOLO;
  3937. }
  3938. SDE_DEBUG("h_tile_instance %d = %d, split_role %d\n",
  3939. i, controller_id, phys_params.split_role);
  3940. if (sde_enc->ops.phys_init) {
  3941. struct sde_encoder_phys *enc;
  3942. enc = sde_enc->ops.phys_init(intf_type,
  3943. controller_id,
  3944. &phys_params);
  3945. if (enc) {
  3946. sde_enc->phys_encs[sde_enc->num_phys_encs] =
  3947. enc;
  3948. ++sde_enc->num_phys_encs;
  3949. } else
  3950. SDE_ERROR_ENC(sde_enc,
  3951. "failed to add phys encs\n");
  3952. continue;
  3953. }
  3954. if (intf_type == INTF_WB) {
  3955. phys_params.intf_idx = INTF_MAX;
  3956. phys_params.wb_idx = sde_encoder_get_wb(
  3957. sde_kms->catalog,
  3958. intf_type, controller_id);
  3959. if (phys_params.wb_idx == WB_MAX) {
  3960. SDE_ERROR_ENC(sde_enc,
  3961. "could not get wb: type %d, id %d\n",
  3962. intf_type, controller_id);
  3963. ret = -EINVAL;
  3964. }
  3965. } else {
  3966. phys_params.wb_idx = WB_MAX;
  3967. phys_params.intf_idx = sde_encoder_get_intf(
  3968. sde_kms->catalog, intf_type,
  3969. controller_id);
  3970. if (phys_params.intf_idx == INTF_MAX) {
  3971. SDE_ERROR_ENC(sde_enc,
  3972. "could not get wb: type %d, id %d\n",
  3973. intf_type, controller_id);
  3974. ret = -EINVAL;
  3975. }
  3976. }
  3977. if (!ret) {
  3978. if (intf_type == INTF_WB)
  3979. ret = sde_encoder_virt_add_phys_enc_wb(sde_enc,
  3980. &phys_params);
  3981. else
  3982. ret = sde_encoder_virt_add_phys_encs(
  3983. disp_info,
  3984. sde_enc,
  3985. &phys_params);
  3986. if (ret)
  3987. SDE_ERROR_ENC(sde_enc,
  3988. "failed to add phys encs\n");
  3989. }
  3990. }
  3991. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  3992. struct sde_encoder_phys *vid_phys = sde_enc->phys_vid_encs[i];
  3993. struct sde_encoder_phys *cmd_phys = sde_enc->phys_cmd_encs[i];
  3994. if (vid_phys) {
  3995. atomic_set(&vid_phys->vsync_cnt, 0);
  3996. atomic_set(&vid_phys->underrun_cnt, 0);
  3997. }
  3998. if (cmd_phys) {
  3999. atomic_set(&cmd_phys->vsync_cnt, 0);
  4000. atomic_set(&cmd_phys->underrun_cnt, 0);
  4001. }
  4002. }
  4003. mutex_unlock(&sde_enc->enc_lock);
  4004. return ret;
  4005. }
  4006. static const struct drm_encoder_helper_funcs sde_encoder_helper_funcs = {
  4007. .mode_set = sde_encoder_virt_mode_set,
  4008. .disable = sde_encoder_virt_disable,
  4009. .enable = sde_encoder_virt_enable,
  4010. .atomic_check = sde_encoder_virt_atomic_check,
  4011. };
  4012. static const struct drm_encoder_funcs sde_encoder_funcs = {
  4013. .destroy = sde_encoder_destroy,
  4014. .late_register = sde_encoder_late_register,
  4015. .early_unregister = sde_encoder_early_unregister,
  4016. };
  4017. struct drm_encoder *sde_encoder_init_with_ops(
  4018. struct drm_device *dev,
  4019. struct msm_display_info *disp_info,
  4020. const struct sde_encoder_ops *ops)
  4021. {
  4022. struct msm_drm_private *priv = dev->dev_private;
  4023. struct sde_kms *sde_kms = to_sde_kms(priv->kms);
  4024. struct drm_encoder *drm_enc = NULL;
  4025. struct sde_encoder_virt *sde_enc = NULL;
  4026. int drm_enc_mode = DRM_MODE_ENCODER_NONE;
  4027. char name[SDE_NAME_SIZE];
  4028. int ret = 0, i, intf_index = INTF_MAX;
  4029. struct sde_encoder_phys *phys = NULL;
  4030. sde_enc = kzalloc(sizeof(*sde_enc), GFP_KERNEL);
  4031. if (!sde_enc) {
  4032. ret = -ENOMEM;
  4033. goto fail;
  4034. }
  4035. if (ops)
  4036. sde_enc->ops = *ops;
  4037. mutex_init(&sde_enc->enc_lock);
  4038. ret = sde_encoder_setup_display(sde_enc, sde_kms, disp_info,
  4039. &drm_enc_mode);
  4040. if (ret)
  4041. goto fail;
  4042. sde_enc->cur_master = NULL;
  4043. spin_lock_init(&sde_enc->enc_spinlock);
  4044. mutex_init(&sde_enc->vblank_ctl_lock);
  4045. for (i = 0; i < MAX_PHYS_ENCODERS_PER_VIRTUAL; i++)
  4046. atomic_set(&sde_enc->frame_done_cnt[i], 0);
  4047. drm_enc = &sde_enc->base;
  4048. drm_encoder_init(dev, drm_enc, &sde_encoder_funcs, drm_enc_mode, NULL);
  4049. drm_encoder_helper_add(drm_enc, &sde_encoder_helper_funcs);
  4050. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  4051. phys = sde_enc->phys_encs[i];
  4052. if (!phys)
  4053. continue;
  4054. if (phys->ops.is_master && phys->ops.is_master(phys))
  4055. intf_index = phys->intf_idx - INTF_0;
  4056. }
  4057. snprintf(name, SDE_NAME_SIZE, "rsc_enc%u", drm_enc->base.id);
  4058. sde_enc->rsc_client = sde_rsc_client_create(SDE_RSC_INDEX, name,
  4059. (disp_info->display_type == SDE_CONNECTOR_PRIMARY) ?
  4060. SDE_RSC_PRIMARY_DISP_CLIENT :
  4061. SDE_RSC_EXTERNAL_DISP_CLIENT, intf_index + 1);
  4062. if (IS_ERR_OR_NULL(sde_enc->rsc_client)) {
  4063. SDE_DEBUG("sde rsc client create failed :%ld\n",
  4064. PTR_ERR(sde_enc->rsc_client));
  4065. sde_enc->rsc_client = NULL;
  4066. }
  4067. if (disp_info->capabilities & MSM_DISPLAY_CAP_CMD_MODE &&
  4068. sde_enc->input_event_enabled) {
  4069. ret = _sde_encoder_input_handler(sde_enc);
  4070. if (ret)
  4071. SDE_ERROR(
  4072. "input handler registration failed, rc = %d\n", ret);
  4073. }
  4074. mutex_init(&sde_enc->rc_lock);
  4075. kthread_init_delayed_work(&sde_enc->delayed_off_work,
  4076. sde_encoder_off_work);
  4077. sde_enc->vblank_enabled = false;
  4078. sde_enc->qdss_status = false;
  4079. kthread_init_work(&sde_enc->input_event_work,
  4080. sde_encoder_input_event_work_handler);
  4081. kthread_init_work(&sde_enc->early_wakeup_work,
  4082. sde_encoder_early_wakeup_work_handler);
  4083. kthread_init_work(&sde_enc->esd_trigger_work,
  4084. sde_encoder_esd_trigger_work_handler);
  4085. memcpy(&sde_enc->disp_info, disp_info, sizeof(*disp_info));
  4086. SDE_DEBUG_ENC(sde_enc, "created\n");
  4087. return drm_enc;
  4088. fail:
  4089. SDE_ERROR("failed to create encoder\n");
  4090. if (drm_enc)
  4091. sde_encoder_destroy(drm_enc);
  4092. return ERR_PTR(ret);
  4093. }
  4094. struct drm_encoder *sde_encoder_init(
  4095. struct drm_device *dev,
  4096. struct msm_display_info *disp_info)
  4097. {
  4098. return sde_encoder_init_with_ops(dev, disp_info, NULL);
  4099. }
  4100. int sde_encoder_wait_for_event(struct drm_encoder *drm_enc,
  4101. enum msm_event_wait event)
  4102. {
  4103. int (*fn_wait)(struct sde_encoder_phys *phys_enc) = NULL;
  4104. struct sde_encoder_virt *sde_enc = NULL;
  4105. int i, ret = 0;
  4106. char atrace_buf[32];
  4107. if (!drm_enc) {
  4108. SDE_ERROR("invalid encoder\n");
  4109. return -EINVAL;
  4110. }
  4111. sde_enc = to_sde_encoder_virt(drm_enc);
  4112. SDE_DEBUG_ENC(sde_enc, "\n");
  4113. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  4114. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  4115. switch (event) {
  4116. case MSM_ENC_COMMIT_DONE:
  4117. fn_wait = phys->ops.wait_for_commit_done;
  4118. break;
  4119. case MSM_ENC_TX_COMPLETE:
  4120. fn_wait = phys->ops.wait_for_tx_complete;
  4121. break;
  4122. case MSM_ENC_VBLANK:
  4123. fn_wait = phys->ops.wait_for_vblank;
  4124. break;
  4125. case MSM_ENC_ACTIVE_REGION:
  4126. fn_wait = phys->ops.wait_for_active;
  4127. break;
  4128. default:
  4129. SDE_ERROR_ENC(sde_enc, "unknown wait event %d\n",
  4130. event);
  4131. return -EINVAL;
  4132. }
  4133. if (phys && fn_wait) {
  4134. snprintf(atrace_buf, sizeof(atrace_buf),
  4135. "wait_completion_event_%d", event);
  4136. SDE_ATRACE_BEGIN(atrace_buf);
  4137. ret = fn_wait(phys);
  4138. SDE_ATRACE_END(atrace_buf);
  4139. if (ret)
  4140. return ret;
  4141. }
  4142. }
  4143. return ret;
  4144. }
  4145. void sde_encoder_helper_get_jitter_bounds_ns(struct drm_encoder *drm_enc,
  4146. u64 *l_bound, u64 *u_bound)
  4147. {
  4148. struct sde_encoder_virt *sde_enc;
  4149. u64 jitter_ns, frametime_ns;
  4150. struct msm_mode_info *info;
  4151. if (!drm_enc) {
  4152. SDE_ERROR("invalid encoder\n");
  4153. return;
  4154. }
  4155. sde_enc = to_sde_encoder_virt(drm_enc);
  4156. info = &sde_enc->mode_info;
  4157. frametime_ns = (1 * 1000000000) / info->frame_rate;
  4158. jitter_ns = info->jitter_numer * frametime_ns;
  4159. do_div(jitter_ns, info->jitter_denom * 100);
  4160. *l_bound = frametime_ns - jitter_ns;
  4161. *u_bound = frametime_ns + jitter_ns;
  4162. }
  4163. u32 sde_encoder_get_fps(struct drm_encoder *drm_enc)
  4164. {
  4165. struct sde_encoder_virt *sde_enc;
  4166. if (!drm_enc) {
  4167. SDE_ERROR("invalid encoder\n");
  4168. return 0;
  4169. }
  4170. sde_enc = to_sde_encoder_virt(drm_enc);
  4171. return sde_enc->mode_info.frame_rate;
  4172. }
  4173. enum sde_intf_mode sde_encoder_get_intf_mode(struct drm_encoder *encoder)
  4174. {
  4175. struct sde_encoder_virt *sde_enc = NULL;
  4176. int i;
  4177. if (!encoder) {
  4178. SDE_ERROR("invalid encoder\n");
  4179. return INTF_MODE_NONE;
  4180. }
  4181. sde_enc = to_sde_encoder_virt(encoder);
  4182. if (sde_enc->cur_master)
  4183. return sde_enc->cur_master->intf_mode;
  4184. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  4185. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  4186. if (phys)
  4187. return phys->intf_mode;
  4188. }
  4189. return INTF_MODE_NONE;
  4190. }
  4191. static void _sde_encoder_cache_hw_res_cont_splash(
  4192. struct drm_encoder *encoder,
  4193. struct sde_kms *sde_kms)
  4194. {
  4195. int i, idx;
  4196. struct sde_encoder_virt *sde_enc;
  4197. struct sde_encoder_phys *phys_enc;
  4198. struct sde_rm_hw_iter dsc_iter, pp_iter, ctl_iter, intf_iter;
  4199. sde_enc = to_sde_encoder_virt(encoder);
  4200. sde_rm_init_hw_iter(&pp_iter, encoder->base.id, SDE_HW_BLK_PINGPONG);
  4201. for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) {
  4202. sde_enc->hw_pp[i] = NULL;
  4203. if (!sde_rm_get_hw(&sde_kms->rm, &pp_iter))
  4204. break;
  4205. sde_enc->hw_pp[i] = (struct sde_hw_pingpong *) pp_iter.hw;
  4206. }
  4207. sde_rm_init_hw_iter(&dsc_iter, encoder->base.id, SDE_HW_BLK_DSC);
  4208. for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) {
  4209. sde_enc->hw_dsc[i] = NULL;
  4210. if (!sde_rm_get_hw(&sde_kms->rm, &dsc_iter))
  4211. break;
  4212. sde_enc->hw_dsc[i] = (struct sde_hw_dsc *) dsc_iter.hw;
  4213. }
  4214. /*
  4215. * If we have multiple phys encoders with one controller, make
  4216. * sure to populate the controller pointer in both phys encoders.
  4217. */
  4218. for (idx = 0; idx < sde_enc->num_phys_encs; idx++) {
  4219. phys_enc = sde_enc->phys_encs[idx];
  4220. phys_enc->hw_ctl = NULL;
  4221. sde_rm_init_hw_iter(&ctl_iter, encoder->base.id,
  4222. SDE_HW_BLK_CTL);
  4223. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  4224. if (sde_rm_get_hw(&sde_kms->rm, &ctl_iter)) {
  4225. phys_enc->hw_ctl =
  4226. (struct sde_hw_ctl *) ctl_iter.hw;
  4227. pr_debug("HW CTL intf_idx:%d hw_ctl:[0x%pK]\n",
  4228. phys_enc->intf_idx, phys_enc->hw_ctl);
  4229. }
  4230. }
  4231. }
  4232. sde_rm_init_hw_iter(&intf_iter, encoder->base.id, SDE_HW_BLK_INTF);
  4233. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  4234. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  4235. phys->hw_intf = NULL;
  4236. if (!sde_rm_get_hw(&sde_kms->rm, &intf_iter))
  4237. break;
  4238. phys->hw_intf = (struct sde_hw_intf *) intf_iter.hw;
  4239. }
  4240. }
  4241. /**
  4242. * sde_encoder_update_caps_for_cont_splash - update encoder settings during
  4243. * device bootup when cont_splash is enabled
  4244. * @drm_enc: Pointer to drm encoder structure
  4245. * @splash_display: Pointer to sde_splash_display corresponding to this encoder
  4246. * @enable: boolean indicates enable or displae state of splash
  4247. * @Return: true if successful in updating the encoder structure
  4248. */
  4249. int sde_encoder_update_caps_for_cont_splash(struct drm_encoder *encoder,
  4250. struct sde_splash_display *splash_display, bool enable)
  4251. {
  4252. struct sde_encoder_virt *sde_enc;
  4253. struct msm_drm_private *priv;
  4254. struct sde_kms *sde_kms;
  4255. struct drm_connector *conn = NULL;
  4256. struct sde_connector *sde_conn = NULL;
  4257. struct sde_connector_state *sde_conn_state = NULL;
  4258. struct drm_display_mode *drm_mode = NULL;
  4259. struct sde_encoder_phys *phys_enc;
  4260. int ret = 0, i;
  4261. if (!encoder) {
  4262. SDE_ERROR("invalid drm enc\n");
  4263. return -EINVAL;
  4264. }
  4265. sde_enc = to_sde_encoder_virt(encoder);
  4266. sde_kms = sde_encoder_get_kms(&sde_enc->base);
  4267. if (!sde_kms) {
  4268. SDE_ERROR("invalid sde_kms\n");
  4269. return -EINVAL;
  4270. }
  4271. priv = encoder->dev->dev_private;
  4272. if (!priv->num_connectors) {
  4273. SDE_ERROR_ENC(sde_enc, "No connectors registered\n");
  4274. return -EINVAL;
  4275. }
  4276. SDE_DEBUG_ENC(sde_enc,
  4277. "num of connectors: %d\n", priv->num_connectors);
  4278. SDE_DEBUG_ENC(sde_enc, "enable: %d\n", enable);
  4279. if (!enable) {
  4280. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  4281. phys_enc = sde_enc->phys_encs[i];
  4282. if (phys_enc)
  4283. phys_enc->cont_splash_enabled = false;
  4284. }
  4285. return ret;
  4286. }
  4287. if (!splash_display) {
  4288. SDE_ERROR_ENC(sde_enc, "invalid splash data\n");
  4289. return -EINVAL;
  4290. }
  4291. for (i = 0; i < priv->num_connectors; i++) {
  4292. SDE_DEBUG_ENC(sde_enc, "connector id: %d\n",
  4293. priv->connectors[i]->base.id);
  4294. sde_conn = to_sde_connector(priv->connectors[i]);
  4295. if (!sde_conn->encoder) {
  4296. SDE_DEBUG_ENC(sde_enc,
  4297. "encoder not attached to connector\n");
  4298. continue;
  4299. }
  4300. if (sde_conn->encoder->base.id
  4301. == encoder->base.id) {
  4302. conn = (priv->connectors[i]);
  4303. break;
  4304. }
  4305. }
  4306. if (!conn || !conn->state) {
  4307. SDE_ERROR_ENC(sde_enc, "connector not found\n");
  4308. return -EINVAL;
  4309. }
  4310. sde_conn_state = to_sde_connector_state(conn->state);
  4311. if (!sde_conn->ops.get_mode_info) {
  4312. SDE_ERROR_ENC(sde_enc, "conn: get_mode_info ops not found\n");
  4313. return -EINVAL;
  4314. }
  4315. ret = sde_connector_get_mode_info(&sde_conn->base,
  4316. &encoder->crtc->state->adjusted_mode,
  4317. &sde_conn_state->mode_info);
  4318. if (ret) {
  4319. SDE_ERROR_ENC(sde_enc,
  4320. "conn: ->get_mode_info failed. ret=%d\n", ret);
  4321. return ret;
  4322. }
  4323. if (sde_conn->encoder) {
  4324. conn->state->best_encoder = sde_conn->encoder;
  4325. SDE_DEBUG_ENC(sde_enc,
  4326. "configured cstate->best_encoder to ID = %d\n",
  4327. conn->state->best_encoder->base.id);
  4328. } else {
  4329. SDE_ERROR_ENC(sde_enc, "No encoder mapped to connector=%d\n",
  4330. conn->base.id);
  4331. }
  4332. ret = sde_rm_reserve(&sde_kms->rm, encoder, encoder->crtc->state,
  4333. conn->state, false);
  4334. if (ret) {
  4335. SDE_ERROR_ENC(sde_enc,
  4336. "failed to reserve hw resources, %d\n", ret);
  4337. return ret;
  4338. }
  4339. SDE_DEBUG_ENC(sde_enc, "connector topology = %llu\n",
  4340. sde_connector_get_topology_name(conn));
  4341. drm_mode = &encoder->crtc->state->adjusted_mode;
  4342. SDE_DEBUG_ENC(sde_enc, "hdisplay = %d, vdisplay = %d\n",
  4343. drm_mode->hdisplay, drm_mode->vdisplay);
  4344. drm_set_preferred_mode(conn, drm_mode->hdisplay, drm_mode->vdisplay);
  4345. if (encoder->bridge) {
  4346. SDE_DEBUG_ENC(sde_enc, "Bridge mapped to encoder\n");
  4347. /*
  4348. * For cont-splash use case, we update the mode
  4349. * configurations manually. This will skip the
  4350. * usually mode set call when actual frame is
  4351. * pushed from framework. The bridge needs to
  4352. * be updated with the current drm mode by
  4353. * calling the bridge mode set ops.
  4354. */
  4355. if (encoder->bridge->funcs) {
  4356. SDE_DEBUG_ENC(sde_enc, "calling mode_set\n");
  4357. encoder->bridge->funcs->mode_set(encoder->bridge,
  4358. drm_mode, drm_mode);
  4359. }
  4360. } else {
  4361. SDE_ERROR_ENC(sde_enc, "No bridge attached to encoder\n");
  4362. }
  4363. _sde_encoder_cache_hw_res_cont_splash(encoder, sde_kms);
  4364. for (i = 0; i < sde_enc->num_phys_encs; i++) {
  4365. struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
  4366. if (!phys) {
  4367. SDE_ERROR_ENC(sde_enc,
  4368. "phys encoders not initialized\n");
  4369. return -EINVAL;
  4370. }
  4371. /* update connector for master and slave phys encoders */
  4372. phys->connector = conn;
  4373. phys->cont_splash_enabled = true;
  4374. phys->hw_pp = sde_enc->hw_pp[i];
  4375. if (phys->ops.cont_splash_mode_set)
  4376. phys->ops.cont_splash_mode_set(phys, drm_mode);
  4377. if (phys->ops.is_master && phys->ops.is_master(phys))
  4378. sde_enc->cur_master = phys;
  4379. }
  4380. return ret;
  4381. }
  4382. int sde_encoder_display_failure_notification(struct drm_encoder *enc,
  4383. bool skip_pre_kickoff)
  4384. {
  4385. struct msm_drm_thread *event_thread = NULL;
  4386. struct msm_drm_private *priv = NULL;
  4387. struct sde_encoder_virt *sde_enc = NULL;
  4388. if (!enc || !enc->dev || !enc->dev->dev_private) {
  4389. SDE_ERROR("invalid parameters\n");
  4390. return -EINVAL;
  4391. }
  4392. priv = enc->dev->dev_private;
  4393. sde_enc = to_sde_encoder_virt(enc);
  4394. if (!sde_enc->crtc || (sde_enc->crtc->index
  4395. >= ARRAY_SIZE(priv->event_thread))) {
  4396. SDE_DEBUG_ENC(sde_enc,
  4397. "invalid cached CRTC: %d or crtc index: %d\n",
  4398. sde_enc->crtc == NULL,
  4399. sde_enc->crtc ? sde_enc->crtc->index : -EINVAL);
  4400. return -EINVAL;
  4401. }
  4402. SDE_EVT32_VERBOSE(DRMID(enc));
  4403. event_thread = &priv->event_thread[sde_enc->crtc->index];
  4404. if (!skip_pre_kickoff) {
  4405. kthread_queue_work(&event_thread->worker,
  4406. &sde_enc->esd_trigger_work);
  4407. kthread_flush_work(&sde_enc->esd_trigger_work);
  4408. }
  4409. /*
  4410. * panel may stop generating te signal (vsync) during esd failure. rsc
  4411. * hardware may hang without vsync. Avoid rsc hang by generating the
  4412. * vsync from watchdog timer instead of panel.
  4413. */
  4414. sde_encoder_helper_switch_vsync(enc, true);
  4415. if (!skip_pre_kickoff)
  4416. sde_encoder_wait_for_event(enc, MSM_ENC_TX_COMPLETE);
  4417. return 0;
  4418. }
  4419. bool sde_encoder_recovery_events_enabled(struct drm_encoder *encoder)
  4420. {
  4421. struct sde_encoder_virt *sde_enc;
  4422. if (!encoder) {
  4423. SDE_ERROR("invalid drm enc\n");
  4424. return false;
  4425. }
  4426. sde_enc = to_sde_encoder_virt(encoder);
  4427. return sde_enc->recovery_events_enabled;
  4428. }
  4429. void sde_encoder_recovery_events_handler(struct drm_encoder *encoder,
  4430. bool enabled)
  4431. {
  4432. struct sde_encoder_virt *sde_enc;
  4433. if (!encoder) {
  4434. SDE_ERROR("invalid drm enc\n");
  4435. return;
  4436. }
  4437. sde_enc = to_sde_encoder_virt(encoder);
  4438. sde_enc->recovery_events_enabled = enabled;
  4439. }