sde_encoder_phys_cmd.c 54 KB

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  1. // SPDX-License-Identifier: GPL-2.0-only
  2. /*
  3. * Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.
  4. */
  5. #define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
  6. #include "sde_encoder_phys.h"
  7. #include "sde_hw_interrupts.h"
  8. #include "sde_core_irq.h"
  9. #include "sde_formats.h"
  10. #include "sde_trace.h"
  11. #define SDE_DEBUG_CMDENC(e, fmt, ...) SDE_DEBUG("enc%d intf%d " fmt, \
  12. (e) && (e)->base.parent ? \
  13. (e)->base.parent->base.id : -1, \
  14. (e) ? (e)->base.intf_idx - INTF_0 : -1, ##__VA_ARGS__)
  15. #define SDE_ERROR_CMDENC(e, fmt, ...) SDE_ERROR("enc%d intf%d " fmt, \
  16. (e) && (e)->base.parent ? \
  17. (e)->base.parent->base.id : -1, \
  18. (e) ? (e)->base.intf_idx - INTF_0 : -1, ##__VA_ARGS__)
  19. #define to_sde_encoder_phys_cmd(x) \
  20. container_of(x, struct sde_encoder_phys_cmd, base)
  21. #define PP_TIMEOUT_MAX_TRIALS 4
  22. /*
  23. * Tearcheck sync start and continue thresholds are empirically found
  24. * based on common panels In the future, may want to allow panels to override
  25. * these default values
  26. */
  27. #define DEFAULT_TEARCHECK_SYNC_THRESH_START 4
  28. #define DEFAULT_TEARCHECK_SYNC_THRESH_CONTINUE 4
  29. #define SDE_ENC_WR_PTR_START_TIMEOUT_US 20000
  30. #define SDE_ENC_MAX_POLL_TIMEOUT_US 2000
  31. static inline int _sde_encoder_phys_cmd_get_idle_timeout(
  32. struct sde_encoder_phys_cmd *cmd_enc)
  33. {
  34. return cmd_enc->autorefresh.cfg.frame_count ?
  35. cmd_enc->autorefresh.cfg.frame_count *
  36. KICKOFF_TIMEOUT_MS : KICKOFF_TIMEOUT_MS;
  37. }
  38. static inline bool sde_encoder_phys_cmd_is_master(
  39. struct sde_encoder_phys *phys_enc)
  40. {
  41. return (phys_enc->split_role != ENC_ROLE_SLAVE) ? true : false;
  42. }
  43. static bool sde_encoder_phys_cmd_mode_fixup(
  44. struct sde_encoder_phys *phys_enc,
  45. const struct drm_display_mode *mode,
  46. struct drm_display_mode *adj_mode)
  47. {
  48. if (phys_enc)
  49. SDE_DEBUG_CMDENC(to_sde_encoder_phys_cmd(phys_enc), "\n");
  50. return true;
  51. }
  52. static uint64_t _sde_encoder_phys_cmd_get_autorefresh_property(
  53. struct sde_encoder_phys *phys_enc)
  54. {
  55. struct drm_connector *conn = phys_enc->connector;
  56. if (!conn || !conn->state)
  57. return 0;
  58. return sde_connector_get_property(conn->state,
  59. CONNECTOR_PROP_AUTOREFRESH);
  60. }
  61. static void _sde_encoder_phys_cmd_config_autorefresh(
  62. struct sde_encoder_phys *phys_enc,
  63. u32 new_frame_count)
  64. {
  65. struct sde_encoder_phys_cmd *cmd_enc =
  66. to_sde_encoder_phys_cmd(phys_enc);
  67. struct sde_hw_pingpong *hw_pp = phys_enc->hw_pp;
  68. struct sde_hw_intf *hw_intf = phys_enc->hw_intf;
  69. struct drm_connector *conn = phys_enc->connector;
  70. struct sde_hw_autorefresh *cfg_cur, cfg_nxt;
  71. if (!conn || !conn->state || !hw_pp || !hw_intf)
  72. return;
  73. cfg_cur = &cmd_enc->autorefresh.cfg;
  74. /* autorefresh property value should be validated already */
  75. memset(&cfg_nxt, 0, sizeof(cfg_nxt));
  76. cfg_nxt.frame_count = new_frame_count;
  77. cfg_nxt.enable = (cfg_nxt.frame_count != 0);
  78. SDE_DEBUG_CMDENC(cmd_enc, "autorefresh state %d->%d framecount %d\n",
  79. cfg_cur->enable, cfg_nxt.enable, cfg_nxt.frame_count);
  80. SDE_EVT32(DRMID(phys_enc->parent), hw_pp->idx, hw_intf->idx,
  81. cfg_cur->enable, cfg_nxt.enable, cfg_nxt.frame_count);
  82. /* only proceed on state changes */
  83. if (cfg_nxt.enable == cfg_cur->enable)
  84. return;
  85. memcpy(cfg_cur, &cfg_nxt, sizeof(*cfg_cur));
  86. if (phys_enc->has_intf_te && hw_intf->ops.setup_autorefresh)
  87. hw_intf->ops.setup_autorefresh(hw_intf, cfg_cur);
  88. else if (hw_pp->ops.setup_autorefresh)
  89. hw_pp->ops.setup_autorefresh(hw_pp, cfg_cur);
  90. }
  91. static void _sde_encoder_phys_cmd_update_flush_mask(
  92. struct sde_encoder_phys *phys_enc)
  93. {
  94. struct sde_encoder_phys_cmd *cmd_enc;
  95. struct sde_hw_ctl *ctl;
  96. if (!phys_enc || !phys_enc->hw_intf || !phys_enc->hw_pp)
  97. return;
  98. cmd_enc = to_sde_encoder_phys_cmd(phys_enc);
  99. ctl = phys_enc->hw_ctl;
  100. if (!ctl)
  101. return;
  102. if (!ctl->ops.update_bitmask) {
  103. SDE_ERROR("invalid hw_ctl ops %d\n", ctl->idx);
  104. return;
  105. }
  106. ctl->ops.update_bitmask(ctl, SDE_HW_FLUSH_INTF, phys_enc->intf_idx, 1);
  107. if (phys_enc->hw_pp->merge_3d)
  108. ctl->ops.update_bitmask(ctl, SDE_HW_FLUSH_MERGE_3D,
  109. phys_enc->hw_pp->merge_3d->idx, 1);
  110. SDE_DEBUG_CMDENC(cmd_enc, "update pending flush ctl %d intf_idx %x\n",
  111. ctl->idx - CTL_0, phys_enc->intf_idx);
  112. }
  113. static void _sde_encoder_phys_cmd_update_intf_cfg(
  114. struct sde_encoder_phys *phys_enc)
  115. {
  116. struct sde_encoder_phys_cmd *cmd_enc =
  117. to_sde_encoder_phys_cmd(phys_enc);
  118. struct sde_hw_ctl *ctl;
  119. if (!phys_enc)
  120. return;
  121. ctl = phys_enc->hw_ctl;
  122. if (!ctl)
  123. return;
  124. if (ctl->ops.setup_intf_cfg) {
  125. struct sde_hw_intf_cfg intf_cfg = { 0 };
  126. intf_cfg.intf = phys_enc->intf_idx;
  127. intf_cfg.intf_mode_sel = SDE_CTL_MODE_SEL_CMD;
  128. intf_cfg.stream_sel = cmd_enc->stream_sel;
  129. intf_cfg.mode_3d =
  130. sde_encoder_helper_get_3d_blend_mode(phys_enc);
  131. ctl->ops.setup_intf_cfg(ctl, &intf_cfg);
  132. } else if (test_bit(SDE_CTL_ACTIVE_CFG, &ctl->caps->features)) {
  133. sde_encoder_helper_update_intf_cfg(phys_enc);
  134. }
  135. }
  136. static void sde_encoder_phys_cmd_pp_tx_done_irq(void *arg, int irq_idx)
  137. {
  138. struct sde_encoder_phys *phys_enc = arg;
  139. u32 event = 0;
  140. if (!phys_enc || !phys_enc->hw_pp)
  141. return;
  142. SDE_ATRACE_BEGIN("pp_done_irq");
  143. /* notify all synchronous clients first, then asynchronous clients */
  144. if (phys_enc->parent_ops.handle_frame_done &&
  145. atomic_add_unless(&phys_enc->pending_kickoff_cnt, -1, 0)) {
  146. event = SDE_ENCODER_FRAME_EVENT_DONE |
  147. SDE_ENCODER_FRAME_EVENT_SIGNAL_RELEASE_FENCE;
  148. spin_lock(phys_enc->enc_spinlock);
  149. phys_enc->parent_ops.handle_frame_done(phys_enc->parent,
  150. phys_enc, event);
  151. spin_unlock(phys_enc->enc_spinlock);
  152. }
  153. SDE_EVT32_IRQ(DRMID(phys_enc->parent),
  154. phys_enc->hw_pp->idx - PINGPONG_0, event);
  155. /* Signal any waiting atomic commit thread */
  156. wake_up_all(&phys_enc->pending_kickoff_wq);
  157. SDE_ATRACE_END("pp_done_irq");
  158. }
  159. static void sde_encoder_phys_cmd_autorefresh_done_irq(void *arg, int irq_idx)
  160. {
  161. struct sde_encoder_phys *phys_enc = arg;
  162. struct sde_encoder_phys_cmd *cmd_enc =
  163. to_sde_encoder_phys_cmd(phys_enc);
  164. unsigned long lock_flags;
  165. int new_cnt;
  166. if (!cmd_enc)
  167. return;
  168. phys_enc = &cmd_enc->base;
  169. spin_lock_irqsave(phys_enc->enc_spinlock, lock_flags);
  170. new_cnt = atomic_add_unless(&cmd_enc->autorefresh.kickoff_cnt, -1, 0);
  171. spin_unlock_irqrestore(phys_enc->enc_spinlock, lock_flags);
  172. SDE_EVT32_IRQ(DRMID(phys_enc->parent),
  173. phys_enc->hw_pp->idx - PINGPONG_0,
  174. phys_enc->hw_intf->idx - INTF_0,
  175. new_cnt);
  176. /* Signal any waiting atomic commit thread */
  177. wake_up_all(&cmd_enc->autorefresh.kickoff_wq);
  178. }
  179. static void sde_encoder_phys_cmd_te_rd_ptr_irq(void *arg, int irq_idx)
  180. {
  181. struct sde_encoder_phys *phys_enc = arg;
  182. struct sde_encoder_phys_cmd *cmd_enc;
  183. u32 scheduler_status = INVALID_CTL_STATUS;
  184. struct sde_hw_ctl *ctl;
  185. struct sde_hw_pp_vsync_info info[MAX_CHANNELS_PER_ENC] = {{0}};
  186. struct sde_encoder_phys_cmd_te_timestamp *te_timestamp;
  187. unsigned long lock_flags;
  188. if (!phys_enc || !phys_enc->hw_pp || !phys_enc->hw_intf)
  189. return;
  190. SDE_ATRACE_BEGIN("rd_ptr_irq");
  191. cmd_enc = to_sde_encoder_phys_cmd(phys_enc);
  192. ctl = phys_enc->hw_ctl;
  193. if (ctl && ctl->ops.get_scheduler_status)
  194. scheduler_status = ctl->ops.get_scheduler_status(ctl);
  195. spin_lock_irqsave(phys_enc->enc_spinlock, lock_flags);
  196. te_timestamp = list_first_entry_or_null(&cmd_enc->te_timestamp_list,
  197. struct sde_encoder_phys_cmd_te_timestamp, list);
  198. if (te_timestamp) {
  199. list_del_init(&te_timestamp->list);
  200. te_timestamp->timestamp = ktime_get();
  201. list_add_tail(&te_timestamp->list, &cmd_enc->te_timestamp_list);
  202. }
  203. spin_unlock_irqrestore(phys_enc->enc_spinlock, lock_flags);
  204. sde_encoder_helper_get_pp_line_count(phys_enc->parent, info);
  205. SDE_EVT32_IRQ(DRMID(phys_enc->parent),
  206. info[0].pp_idx, info[0].intf_idx,
  207. info[0].wr_ptr_line_count, info[0].intf_frame_count,
  208. info[1].pp_idx, info[1].intf_idx,
  209. info[1].wr_ptr_line_count, info[1].intf_frame_count,
  210. scheduler_status);
  211. if (phys_enc->parent_ops.handle_vblank_virt)
  212. phys_enc->parent_ops.handle_vblank_virt(phys_enc->parent,
  213. phys_enc);
  214. atomic_add_unless(&cmd_enc->pending_vblank_cnt, -1, 0);
  215. wake_up_all(&cmd_enc->pending_vblank_wq);
  216. SDE_ATRACE_END("rd_ptr_irq");
  217. }
  218. static void sde_encoder_phys_cmd_wr_ptr_irq(void *arg, int irq_idx)
  219. {
  220. struct sde_encoder_phys *phys_enc = arg;
  221. struct sde_hw_ctl *ctl;
  222. u32 event = 0;
  223. struct sde_hw_pp_vsync_info info[MAX_CHANNELS_PER_ENC] = {{0}};
  224. if (!phys_enc || !phys_enc->hw_ctl)
  225. return;
  226. SDE_ATRACE_BEGIN("wr_ptr_irq");
  227. ctl = phys_enc->hw_ctl;
  228. if (atomic_add_unless(&phys_enc->pending_retire_fence_cnt, -1, 0)) {
  229. event = SDE_ENCODER_FRAME_EVENT_SIGNAL_RETIRE_FENCE;
  230. if (phys_enc->parent_ops.handle_frame_done) {
  231. spin_lock(phys_enc->enc_spinlock);
  232. phys_enc->parent_ops.handle_frame_done(
  233. phys_enc->parent, phys_enc, event);
  234. spin_unlock(phys_enc->enc_spinlock);
  235. }
  236. }
  237. sde_encoder_helper_get_pp_line_count(phys_enc->parent, info);
  238. SDE_EVT32_IRQ(DRMID(phys_enc->parent),
  239. ctl->idx - CTL_0, event,
  240. info[0].pp_idx, info[0].intf_idx, info[0].wr_ptr_line_count,
  241. info[1].pp_idx, info[1].intf_idx, info[1].wr_ptr_line_count);
  242. /* Signal any waiting wr_ptr start interrupt */
  243. wake_up_all(&phys_enc->pending_kickoff_wq);
  244. SDE_ATRACE_END("wr_ptr_irq");
  245. }
  246. static void sde_encoder_phys_cmd_underrun_irq(void *arg, int irq_idx)
  247. {
  248. struct sde_encoder_phys *phys_enc = arg;
  249. if (!phys_enc)
  250. return;
  251. if (phys_enc->parent_ops.handle_underrun_virt)
  252. phys_enc->parent_ops.handle_underrun_virt(phys_enc->parent,
  253. phys_enc);
  254. }
  255. static void _sde_encoder_phys_cmd_setup_irq_hw_idx(
  256. struct sde_encoder_phys *phys_enc)
  257. {
  258. struct sde_encoder_irq *irq;
  259. if (!phys_enc || !phys_enc->hw_pp || !phys_enc->hw_ctl) {
  260. SDE_ERROR("invalid args %d %d\n", !phys_enc,
  261. phys_enc ? !phys_enc->hw_pp : 0);
  262. return;
  263. }
  264. if (phys_enc->has_intf_te && !phys_enc->hw_intf) {
  265. SDE_ERROR("invalid intf configuration\n");
  266. return;
  267. }
  268. irq = &phys_enc->irq[INTR_IDX_CTL_START];
  269. irq->hw_idx = phys_enc->hw_ctl->idx;
  270. irq->irq_idx = -EINVAL;
  271. irq = &phys_enc->irq[INTR_IDX_PINGPONG];
  272. irq->hw_idx = phys_enc->hw_pp->idx;
  273. irq->irq_idx = -EINVAL;
  274. irq = &phys_enc->irq[INTR_IDX_RDPTR];
  275. irq->irq_idx = -EINVAL;
  276. if (phys_enc->has_intf_te)
  277. irq->hw_idx = phys_enc->hw_intf->idx;
  278. else
  279. irq->hw_idx = phys_enc->hw_pp->idx;
  280. irq = &phys_enc->irq[INTR_IDX_UNDERRUN];
  281. irq->hw_idx = phys_enc->intf_idx;
  282. irq->irq_idx = -EINVAL;
  283. irq = &phys_enc->irq[INTR_IDX_AUTOREFRESH_DONE];
  284. irq->irq_idx = -EINVAL;
  285. if (phys_enc->has_intf_te)
  286. irq->hw_idx = phys_enc->hw_intf->idx;
  287. else
  288. irq->hw_idx = phys_enc->hw_pp->idx;
  289. irq = &phys_enc->irq[INTR_IDX_WRPTR];
  290. irq->irq_idx = -EINVAL;
  291. if (phys_enc->has_intf_te)
  292. irq->hw_idx = phys_enc->hw_intf->idx;
  293. else
  294. irq->hw_idx = phys_enc->hw_pp->idx;
  295. }
  296. static void sde_encoder_phys_cmd_cont_splash_mode_set(
  297. struct sde_encoder_phys *phys_enc,
  298. struct drm_display_mode *adj_mode)
  299. {
  300. struct sde_hw_intf *hw_intf;
  301. struct sde_hw_pingpong *hw_pp;
  302. struct sde_encoder_phys_cmd *cmd_enc;
  303. if (!phys_enc || !adj_mode) {
  304. SDE_ERROR("invalid args\n");
  305. return;
  306. }
  307. phys_enc->cached_mode = *adj_mode;
  308. phys_enc->enable_state = SDE_ENC_ENABLED;
  309. if (!phys_enc->hw_ctl || !phys_enc->hw_pp) {
  310. SDE_DEBUG("invalid ctl:%d pp:%d\n",
  311. (phys_enc->hw_ctl == NULL),
  312. (phys_enc->hw_pp == NULL));
  313. return;
  314. }
  315. if (sde_encoder_phys_cmd_is_master(phys_enc)) {
  316. cmd_enc = to_sde_encoder_phys_cmd(phys_enc);
  317. hw_pp = phys_enc->hw_pp;
  318. hw_intf = phys_enc->hw_intf;
  319. if (phys_enc->has_intf_te && hw_intf &&
  320. hw_intf->ops.get_autorefresh) {
  321. hw_intf->ops.get_autorefresh(hw_intf,
  322. &cmd_enc->autorefresh.cfg);
  323. } else if (hw_pp && hw_pp->ops.get_autorefresh) {
  324. hw_pp->ops.get_autorefresh(hw_pp,
  325. &cmd_enc->autorefresh.cfg);
  326. }
  327. }
  328. _sde_encoder_phys_cmd_setup_irq_hw_idx(phys_enc);
  329. }
  330. static void sde_encoder_phys_cmd_mode_set(
  331. struct sde_encoder_phys *phys_enc,
  332. struct drm_display_mode *mode,
  333. struct drm_display_mode *adj_mode)
  334. {
  335. struct sde_encoder_phys_cmd *cmd_enc =
  336. to_sde_encoder_phys_cmd(phys_enc);
  337. struct sde_rm *rm = &phys_enc->sde_kms->rm;
  338. struct sde_rm_hw_iter iter;
  339. int i, instance;
  340. if (!phys_enc || !mode || !adj_mode) {
  341. SDE_ERROR("invalid args\n");
  342. return;
  343. }
  344. phys_enc->cached_mode = *adj_mode;
  345. SDE_DEBUG_CMDENC(cmd_enc, "caching mode:\n");
  346. drm_mode_debug_printmodeline(adj_mode);
  347. instance = phys_enc->split_role == ENC_ROLE_SLAVE ? 1 : 0;
  348. /* Retrieve previously allocated HW Resources. Shouldn't fail */
  349. sde_rm_init_hw_iter(&iter, phys_enc->parent->base.id, SDE_HW_BLK_CTL);
  350. for (i = 0; i <= instance; i++) {
  351. if (sde_rm_get_hw(rm, &iter))
  352. phys_enc->hw_ctl = (struct sde_hw_ctl *)iter.hw;
  353. }
  354. if (IS_ERR_OR_NULL(phys_enc->hw_ctl)) {
  355. SDE_ERROR_CMDENC(cmd_enc, "failed to init ctl: %ld\n",
  356. PTR_ERR(phys_enc->hw_ctl));
  357. phys_enc->hw_ctl = NULL;
  358. return;
  359. }
  360. sde_rm_init_hw_iter(&iter, phys_enc->parent->base.id, SDE_HW_BLK_INTF);
  361. for (i = 0; i <= instance; i++) {
  362. if (sde_rm_get_hw(rm, &iter))
  363. phys_enc->hw_intf = (struct sde_hw_intf *)iter.hw;
  364. }
  365. if (IS_ERR_OR_NULL(phys_enc->hw_intf)) {
  366. SDE_ERROR_CMDENC(cmd_enc, "failed to init intf: %ld\n",
  367. PTR_ERR(phys_enc->hw_intf));
  368. phys_enc->hw_intf = NULL;
  369. return;
  370. }
  371. _sde_encoder_phys_cmd_setup_irq_hw_idx(phys_enc);
  372. }
  373. static int _sde_encoder_phys_cmd_handle_ppdone_timeout(
  374. struct sde_encoder_phys *phys_enc,
  375. bool recovery_events)
  376. {
  377. struct sde_encoder_phys_cmd *cmd_enc =
  378. to_sde_encoder_phys_cmd(phys_enc);
  379. u32 frame_event = SDE_ENCODER_FRAME_EVENT_ERROR
  380. | SDE_ENCODER_FRAME_EVENT_SIGNAL_RELEASE_FENCE;
  381. struct drm_connector *conn;
  382. int event;
  383. u32 pending_kickoff_cnt;
  384. unsigned long lock_flags;
  385. if (!phys_enc || !phys_enc->hw_pp || !phys_enc->hw_ctl)
  386. return -EINVAL;
  387. conn = phys_enc->connector;
  388. /* decrement the kickoff_cnt before checking for ESD status */
  389. if (!atomic_add_unless(&phys_enc->pending_kickoff_cnt, -1, 0))
  390. return 0;
  391. cmd_enc->pp_timeout_report_cnt++;
  392. pending_kickoff_cnt = atomic_read(&phys_enc->pending_kickoff_cnt) + 1;
  393. SDE_EVT32(DRMID(phys_enc->parent), phys_enc->hw_pp->idx - PINGPONG_0,
  394. cmd_enc->pp_timeout_report_cnt,
  395. pending_kickoff_cnt,
  396. frame_event);
  397. /* check if panel is still sending TE signal or not */
  398. if (sde_connector_esd_status(phys_enc->connector))
  399. goto exit;
  400. /* to avoid flooding, only log first time, and "dead" time */
  401. if (cmd_enc->pp_timeout_report_cnt == 1) {
  402. SDE_ERROR_CMDENC(cmd_enc,
  403. "pp:%d kickoff timed out ctl %d koff_cnt %d\n",
  404. phys_enc->hw_pp->idx - PINGPONG_0,
  405. phys_enc->hw_ctl->idx - CTL_0,
  406. pending_kickoff_cnt);
  407. SDE_EVT32(DRMID(phys_enc->parent), SDE_EVTLOG_FATAL);
  408. sde_encoder_helper_unregister_irq(phys_enc, INTR_IDX_RDPTR);
  409. if (sde_kms_is_secure_session_inprogress(phys_enc->sde_kms))
  410. SDE_DBG_DUMP("secure", "all", "dbg_bus");
  411. else
  412. SDE_DBG_DUMP("all", "dbg_bus", "vbif_dbg_bus");
  413. sde_encoder_helper_register_irq(phys_enc, INTR_IDX_RDPTR);
  414. }
  415. /*
  416. * if the recovery event is registered by user, don't panic
  417. * trigger panic on first timeout if no listener registered
  418. */
  419. if (recovery_events) {
  420. event = cmd_enc->pp_timeout_report_cnt > PP_TIMEOUT_MAX_TRIALS ?
  421. SDE_RECOVERY_HARD_RESET : SDE_RECOVERY_CAPTURE;
  422. sde_connector_event_notify(conn, DRM_EVENT_SDE_HW_RECOVERY,
  423. sizeof(uint8_t), event);
  424. } else if (cmd_enc->pp_timeout_report_cnt) {
  425. SDE_DBG_DUMP("dsi_dbg_bus", "panic");
  426. }
  427. /* request a ctl reset before the next kickoff */
  428. phys_enc->enable_state = SDE_ENC_ERR_NEEDS_HW_RESET;
  429. exit:
  430. if (phys_enc->parent_ops.handle_frame_done) {
  431. spin_lock_irqsave(phys_enc->enc_spinlock, lock_flags);
  432. phys_enc->parent_ops.handle_frame_done(
  433. phys_enc->parent, phys_enc, frame_event);
  434. spin_unlock_irqrestore(phys_enc->enc_spinlock, lock_flags);
  435. }
  436. return -ETIMEDOUT;
  437. }
  438. static bool _sde_encoder_phys_is_ppsplit_slave(
  439. struct sde_encoder_phys *phys_enc)
  440. {
  441. if (!phys_enc)
  442. return false;
  443. return _sde_encoder_phys_is_ppsplit(phys_enc) &&
  444. phys_enc->split_role == ENC_ROLE_SLAVE;
  445. }
  446. static bool _sde_encoder_phys_is_disabling_ppsplit_slave(
  447. struct sde_encoder_phys *phys_enc)
  448. {
  449. enum sde_rm_topology_name old_top;
  450. if (!phys_enc || !phys_enc->connector ||
  451. phys_enc->split_role != ENC_ROLE_SLAVE)
  452. return false;
  453. old_top = sde_connector_get_old_topology_name(
  454. phys_enc->connector->state);
  455. return old_top == SDE_RM_TOPOLOGY_PPSPLIT;
  456. }
  457. static int _sde_encoder_phys_cmd_poll_write_pointer_started(
  458. struct sde_encoder_phys *phys_enc)
  459. {
  460. struct sde_encoder_phys_cmd *cmd_enc =
  461. to_sde_encoder_phys_cmd(phys_enc);
  462. struct sde_hw_pingpong *hw_pp = phys_enc->hw_pp;
  463. struct sde_hw_intf *hw_intf = phys_enc->hw_intf;
  464. struct sde_hw_pp_vsync_info info;
  465. u32 timeout_us = SDE_ENC_WR_PTR_START_TIMEOUT_US;
  466. int ret = 0;
  467. if (!hw_pp || !hw_intf)
  468. return 0;
  469. if (phys_enc->has_intf_te) {
  470. if (!hw_intf->ops.get_vsync_info ||
  471. !hw_intf->ops.poll_timeout_wr_ptr)
  472. goto end;
  473. } else {
  474. if (!hw_pp->ops.get_vsync_info ||
  475. !hw_pp->ops.poll_timeout_wr_ptr)
  476. goto end;
  477. }
  478. if (phys_enc->has_intf_te)
  479. ret = hw_intf->ops.get_vsync_info(hw_intf, &info);
  480. else
  481. ret = hw_pp->ops.get_vsync_info(hw_pp, &info);
  482. if (ret)
  483. return ret;
  484. SDE_DEBUG_CMDENC(cmd_enc,
  485. "pp:%d intf:%d rd_ptr %d wr_ptr %d\n",
  486. phys_enc->hw_pp->idx - PINGPONG_0,
  487. phys_enc->hw_intf->idx - INTF_0,
  488. info.rd_ptr_line_count,
  489. info.wr_ptr_line_count);
  490. SDE_EVT32_VERBOSE(DRMID(phys_enc->parent),
  491. phys_enc->hw_pp->idx - PINGPONG_0,
  492. phys_enc->hw_intf->idx - INTF_0,
  493. info.wr_ptr_line_count);
  494. if (phys_enc->has_intf_te)
  495. ret = hw_intf->ops.poll_timeout_wr_ptr(hw_intf, timeout_us);
  496. else
  497. ret = hw_pp->ops.poll_timeout_wr_ptr(hw_pp, timeout_us);
  498. if (ret) {
  499. SDE_EVT32(DRMID(phys_enc->parent),
  500. phys_enc->hw_pp->idx - PINGPONG_0,
  501. phys_enc->hw_intf->idx - INTF_0,
  502. timeout_us,
  503. ret);
  504. SDE_DBG_DUMP("all", "dbg_bus", "vbif_dbg_bus", "panic");
  505. }
  506. end:
  507. return ret;
  508. }
  509. static bool _sde_encoder_phys_cmd_is_ongoing_pptx(
  510. struct sde_encoder_phys *phys_enc)
  511. {
  512. struct sde_hw_pingpong *hw_pp;
  513. struct sde_hw_pp_vsync_info info;
  514. struct sde_hw_intf *hw_intf;
  515. if (!phys_enc)
  516. return false;
  517. if (phys_enc->has_intf_te) {
  518. hw_intf = phys_enc->hw_intf;
  519. if (!hw_intf || !hw_intf->ops.get_vsync_info)
  520. return false;
  521. hw_intf->ops.get_vsync_info(hw_intf, &info);
  522. } else {
  523. hw_pp = phys_enc->hw_pp;
  524. if (!hw_pp || !hw_pp->ops.get_vsync_info)
  525. return false;
  526. hw_pp->ops.get_vsync_info(hw_pp, &info);
  527. }
  528. SDE_EVT32(DRMID(phys_enc->parent),
  529. phys_enc->hw_pp->idx - PINGPONG_0,
  530. phys_enc->hw_intf->idx - INTF_0,
  531. atomic_read(&phys_enc->pending_kickoff_cnt),
  532. info.wr_ptr_line_count,
  533. phys_enc->cached_mode.vdisplay);
  534. if (info.wr_ptr_line_count > 0 && info.wr_ptr_line_count <
  535. phys_enc->cached_mode.vdisplay)
  536. return true;
  537. return false;
  538. }
  539. static bool _sde_encoder_phys_cmd_is_scheduler_idle(
  540. struct sde_encoder_phys *phys_enc)
  541. {
  542. bool wr_ptr_wait_success = true;
  543. unsigned long lock_flags;
  544. bool ret = false;
  545. struct sde_encoder_phys_cmd *cmd_enc =
  546. to_sde_encoder_phys_cmd(phys_enc);
  547. struct sde_hw_ctl *ctl = phys_enc->hw_ctl;
  548. if (sde_encoder_phys_cmd_is_master(phys_enc))
  549. wr_ptr_wait_success = cmd_enc->wr_ptr_wait_success;
  550. /*
  551. * Handle cases where a pp-done interrupt is missed
  552. * due to irq latency with POSTED start
  553. */
  554. if (wr_ptr_wait_success &&
  555. (phys_enc->frame_trigger_mode == FRAME_DONE_WAIT_POSTED_START) &&
  556. ctl->ops.get_scheduler_status &&
  557. (ctl->ops.get_scheduler_status(ctl) & BIT(0)) &&
  558. atomic_add_unless(&phys_enc->pending_kickoff_cnt, -1, 0) &&
  559. phys_enc->parent_ops.handle_frame_done) {
  560. spin_lock_irqsave(phys_enc->enc_spinlock, lock_flags);
  561. phys_enc->parent_ops.handle_frame_done(
  562. phys_enc->parent, phys_enc,
  563. SDE_ENCODER_FRAME_EVENT_DONE |
  564. SDE_ENCODER_FRAME_EVENT_SIGNAL_RELEASE_FENCE);
  565. spin_unlock_irqrestore(phys_enc->enc_spinlock, lock_flags);
  566. SDE_EVT32(DRMID(phys_enc->parent),
  567. phys_enc->hw_pp->idx - PINGPONG_0,
  568. phys_enc->hw_intf->idx - INTF_0,
  569. atomic_read(&phys_enc->pending_kickoff_cnt));
  570. ret = true;
  571. }
  572. return ret;
  573. }
  574. static int _sde_encoder_phys_cmd_wait_for_idle(
  575. struct sde_encoder_phys *phys_enc)
  576. {
  577. struct sde_encoder_phys_cmd *cmd_enc =
  578. to_sde_encoder_phys_cmd(phys_enc);
  579. struct sde_encoder_wait_info wait_info = {0};
  580. bool recovery_events;
  581. int ret;
  582. if (!phys_enc) {
  583. SDE_ERROR("invalid encoder\n");
  584. return -EINVAL;
  585. }
  586. if (atomic_read(&phys_enc->pending_kickoff_cnt) > 1)
  587. wait_info.count_check = 1;
  588. wait_info.wq = &phys_enc->pending_kickoff_wq;
  589. wait_info.atomic_cnt = &phys_enc->pending_kickoff_cnt;
  590. wait_info.timeout_ms = KICKOFF_TIMEOUT_MS;
  591. recovery_events = sde_encoder_recovery_events_enabled(
  592. phys_enc->parent);
  593. /* slave encoder doesn't enable for ppsplit */
  594. if (_sde_encoder_phys_is_ppsplit_slave(phys_enc))
  595. return 0;
  596. if (_sde_encoder_phys_cmd_is_scheduler_idle(phys_enc))
  597. return 0;
  598. ret = sde_encoder_helper_wait_for_irq(phys_enc, INTR_IDX_PINGPONG,
  599. &wait_info);
  600. if (ret == -ETIMEDOUT) {
  601. if (_sde_encoder_phys_cmd_is_scheduler_idle(phys_enc))
  602. return 0;
  603. _sde_encoder_phys_cmd_handle_ppdone_timeout(phys_enc,
  604. recovery_events);
  605. } else if (!ret) {
  606. if (cmd_enc->pp_timeout_report_cnt && recovery_events) {
  607. struct drm_connector *conn = phys_enc->connector;
  608. sde_connector_event_notify(conn,
  609. DRM_EVENT_SDE_HW_RECOVERY,
  610. sizeof(uint8_t),
  611. SDE_RECOVERY_SUCCESS);
  612. }
  613. cmd_enc->pp_timeout_report_cnt = 0;
  614. }
  615. return ret;
  616. }
  617. static int _sde_encoder_phys_cmd_wait_for_autorefresh_done(
  618. struct sde_encoder_phys *phys_enc)
  619. {
  620. struct sde_encoder_phys_cmd *cmd_enc =
  621. to_sde_encoder_phys_cmd(phys_enc);
  622. struct sde_encoder_wait_info wait_info = {0};
  623. int ret = 0;
  624. if (!phys_enc) {
  625. SDE_ERROR("invalid encoder\n");
  626. return -EINVAL;
  627. }
  628. /* only master deals with autorefresh */
  629. if (!sde_encoder_phys_cmd_is_master(phys_enc))
  630. return 0;
  631. wait_info.wq = &cmd_enc->autorefresh.kickoff_wq;
  632. wait_info.atomic_cnt = &cmd_enc->autorefresh.kickoff_cnt;
  633. wait_info.timeout_ms = _sde_encoder_phys_cmd_get_idle_timeout(cmd_enc);
  634. /* wait for autorefresh kickoff to start */
  635. ret = sde_encoder_helper_wait_for_irq(phys_enc,
  636. INTR_IDX_AUTOREFRESH_DONE, &wait_info);
  637. /* double check that kickoff has started by reading write ptr reg */
  638. if (!ret)
  639. ret = _sde_encoder_phys_cmd_poll_write_pointer_started(
  640. phys_enc);
  641. else
  642. sde_encoder_helper_report_irq_timeout(phys_enc,
  643. INTR_IDX_AUTOREFRESH_DONE);
  644. return ret;
  645. }
  646. static int sde_encoder_phys_cmd_control_vblank_irq(
  647. struct sde_encoder_phys *phys_enc,
  648. bool enable)
  649. {
  650. struct sde_encoder_phys_cmd *cmd_enc =
  651. to_sde_encoder_phys_cmd(phys_enc);
  652. int ret = 0;
  653. int refcount;
  654. if (!phys_enc || !phys_enc->hw_pp) {
  655. SDE_ERROR("invalid encoder\n");
  656. return -EINVAL;
  657. }
  658. mutex_lock(phys_enc->vblank_ctl_lock);
  659. refcount = atomic_read(&phys_enc->vblank_refcount);
  660. /* Slave encoders don't report vblank */
  661. if (!sde_encoder_phys_cmd_is_master(phys_enc))
  662. goto end;
  663. /* protect against negative */
  664. if (!enable && refcount == 0) {
  665. ret = -EINVAL;
  666. goto end;
  667. }
  668. SDE_DEBUG_CMDENC(cmd_enc, "[%pS] enable=%d/%d\n",
  669. __builtin_return_address(0), enable, refcount);
  670. SDE_EVT32(DRMID(phys_enc->parent), phys_enc->hw_pp->idx - PINGPONG_0,
  671. enable, refcount);
  672. if (enable && atomic_inc_return(&phys_enc->vblank_refcount) == 1)
  673. ret = sde_encoder_helper_register_irq(phys_enc, INTR_IDX_RDPTR);
  674. else if (!enable && atomic_dec_return(&phys_enc->vblank_refcount) == 0)
  675. ret = sde_encoder_helper_unregister_irq(phys_enc,
  676. INTR_IDX_RDPTR);
  677. end:
  678. if (ret) {
  679. SDE_ERROR_CMDENC(cmd_enc,
  680. "control vblank irq error %d, enable %d, refcount %d\n",
  681. ret, enable, refcount);
  682. SDE_EVT32(DRMID(phys_enc->parent),
  683. phys_enc->hw_pp->idx - PINGPONG_0,
  684. enable, refcount, SDE_EVTLOG_ERROR);
  685. }
  686. mutex_unlock(phys_enc->vblank_ctl_lock);
  687. return ret;
  688. }
  689. void sde_encoder_phys_cmd_irq_control(struct sde_encoder_phys *phys_enc,
  690. bool enable)
  691. {
  692. struct sde_encoder_phys_cmd *cmd_enc;
  693. if (!phys_enc)
  694. return;
  695. /**
  696. * pingpong split slaves do not register for IRQs
  697. * check old and new topologies
  698. */
  699. if (_sde_encoder_phys_is_ppsplit_slave(phys_enc) ||
  700. _sde_encoder_phys_is_disabling_ppsplit_slave(phys_enc))
  701. return;
  702. cmd_enc = to_sde_encoder_phys_cmd(phys_enc);
  703. SDE_EVT32(DRMID(phys_enc->parent), phys_enc->hw_pp->idx - PINGPONG_0,
  704. enable, atomic_read(&phys_enc->vblank_refcount));
  705. if (enable) {
  706. sde_encoder_helper_register_irq(phys_enc, INTR_IDX_PINGPONG);
  707. sde_encoder_phys_cmd_control_vblank_irq(phys_enc, true);
  708. if (sde_encoder_phys_cmd_is_master(phys_enc)) {
  709. sde_encoder_helper_register_irq(phys_enc,
  710. INTR_IDX_WRPTR);
  711. sde_encoder_helper_register_irq(phys_enc,
  712. INTR_IDX_AUTOREFRESH_DONE);
  713. }
  714. } else {
  715. if (sde_encoder_phys_cmd_is_master(phys_enc)) {
  716. sde_encoder_helper_unregister_irq(phys_enc,
  717. INTR_IDX_WRPTR);
  718. sde_encoder_helper_unregister_irq(phys_enc,
  719. INTR_IDX_AUTOREFRESH_DONE);
  720. }
  721. sde_encoder_phys_cmd_control_vblank_irq(phys_enc, false);
  722. sde_encoder_helper_unregister_irq(phys_enc, INTR_IDX_PINGPONG);
  723. }
  724. }
  725. static int _get_tearcheck_threshold(struct sde_encoder_phys *phys_enc,
  726. u32 *extra_frame_trigger_time)
  727. {
  728. struct drm_connector *conn = phys_enc->connector;
  729. u32 qsync_mode;
  730. struct drm_display_mode *mode;
  731. u32 threshold_lines = 0;
  732. struct sde_encoder_phys_cmd *cmd_enc =
  733. to_sde_encoder_phys_cmd(phys_enc);
  734. *extra_frame_trigger_time = 0;
  735. if (!conn || !conn->state)
  736. return 0;
  737. mode = &phys_enc->cached_mode;
  738. qsync_mode = sde_connector_get_qsync_mode(conn);
  739. if (mode && (qsync_mode == SDE_RM_QSYNC_CONTINUOUS_MODE)) {
  740. u32 qsync_min_fps = 0;
  741. u32 default_fps = mode->vrefresh;
  742. u32 yres = mode->vtotal;
  743. u32 slow_time_ns;
  744. u32 default_time_ns;
  745. u32 extra_time_ns;
  746. u32 total_extra_lines;
  747. u32 default_line_time_ns;
  748. if (phys_enc->parent_ops.get_qsync_fps)
  749. phys_enc->parent_ops.get_qsync_fps(
  750. phys_enc->parent, &qsync_min_fps);
  751. if (!qsync_min_fps || !default_fps || !yres) {
  752. SDE_ERROR_CMDENC(cmd_enc,
  753. "wrong qsync params %d %d %d\n",
  754. qsync_min_fps, default_fps, yres);
  755. goto exit;
  756. }
  757. if (qsync_min_fps >= default_fps) {
  758. SDE_ERROR_CMDENC(cmd_enc,
  759. "qsync fps:%d must be less than default:%d\n",
  760. qsync_min_fps, default_fps);
  761. goto exit;
  762. }
  763. /* Calculate the number of extra lines*/
  764. slow_time_ns = (1 * 1000000000) / qsync_min_fps;
  765. default_time_ns = (1 * 1000000000) / default_fps;
  766. extra_time_ns = slow_time_ns - default_time_ns;
  767. default_line_time_ns = (1 * 1000000000) / (default_fps * yres);
  768. total_extra_lines = extra_time_ns / default_line_time_ns;
  769. threshold_lines += total_extra_lines;
  770. SDE_DEBUG_CMDENC(cmd_enc, "slow:%d default:%d extra:%d(ns)\n",
  771. slow_time_ns, default_time_ns, extra_time_ns);
  772. SDE_DEBUG_CMDENC(cmd_enc, "extra_lines:%d threshold:%d\n",
  773. total_extra_lines, threshold_lines);
  774. SDE_DEBUG_CMDENC(cmd_enc, "min_fps:%d fps:%d yres:%d\n",
  775. qsync_min_fps, default_fps, yres);
  776. SDE_EVT32(qsync_mode, qsync_min_fps, extra_time_ns, default_fps,
  777. yres, threshold_lines);
  778. *extra_frame_trigger_time = extra_time_ns;
  779. }
  780. exit:
  781. threshold_lines += DEFAULT_TEARCHECK_SYNC_THRESH_START;
  782. return threshold_lines;
  783. }
  784. static void sde_encoder_phys_cmd_tearcheck_config(
  785. struct sde_encoder_phys *phys_enc)
  786. {
  787. struct sde_encoder_phys_cmd *cmd_enc =
  788. to_sde_encoder_phys_cmd(phys_enc);
  789. struct sde_hw_tear_check tc_cfg = { 0 };
  790. struct drm_display_mode *mode;
  791. bool tc_enable = true;
  792. u32 vsync_hz, extra_frame_trigger_time;
  793. struct msm_drm_private *priv;
  794. struct sde_kms *sde_kms;
  795. if (!phys_enc || !phys_enc->hw_pp || !phys_enc->hw_intf) {
  796. SDE_ERROR("invalid encoder\n");
  797. return;
  798. }
  799. mode = &phys_enc->cached_mode;
  800. SDE_DEBUG_CMDENC(cmd_enc, "pp %d, intf %d\n",
  801. phys_enc->hw_pp->idx - PINGPONG_0,
  802. phys_enc->hw_intf->idx - INTF_0);
  803. if (phys_enc->has_intf_te) {
  804. if (!phys_enc->hw_intf->ops.setup_tearcheck ||
  805. !phys_enc->hw_intf->ops.enable_tearcheck) {
  806. SDE_DEBUG_CMDENC(cmd_enc, "tearcheck not supported\n");
  807. return;
  808. }
  809. } else {
  810. if (!phys_enc->hw_pp->ops.setup_tearcheck ||
  811. !phys_enc->hw_pp->ops.enable_tearcheck) {
  812. SDE_DEBUG_CMDENC(cmd_enc, "tearcheck not supported\n");
  813. return;
  814. }
  815. }
  816. sde_kms = phys_enc->sde_kms;
  817. if (!sde_kms || !sde_kms->dev || !sde_kms->dev->dev_private) {
  818. SDE_ERROR("invalid device\n");
  819. return;
  820. }
  821. priv = sde_kms->dev->dev_private;
  822. /*
  823. * TE default: dsi byte clock calculated base on 70 fps;
  824. * around 14 ms to complete a kickoff cycle if te disabled;
  825. * vclk_line base on 60 fps; write is faster than read;
  826. * init == start == rdptr;
  827. *
  828. * vsync_count is ratio of MDP VSYNC clock frequency to LCD panel
  829. * frequency divided by the no. of rows (lines) in the LCDpanel.
  830. */
  831. vsync_hz = sde_power_clk_get_rate(&priv->phandle, "vsync_clk");
  832. if (!vsync_hz || !mode->vtotal || !mode->vrefresh) {
  833. SDE_DEBUG_CMDENC(cmd_enc,
  834. "invalid params - vsync_hz %u vtot %u vrefresh %u\n",
  835. vsync_hz, mode->vtotal, mode->vrefresh);
  836. return;
  837. }
  838. tc_cfg.vsync_count = vsync_hz / (mode->vtotal * mode->vrefresh);
  839. /* enable external TE after kickoff to avoid premature autorefresh */
  840. tc_cfg.hw_vsync_mode = 0;
  841. /*
  842. * By setting sync_cfg_height to near max register value, we essentially
  843. * disable sde hw generated TE signal, since hw TE will arrive first.
  844. * Only caveat is if due to error, we hit wrap-around.
  845. */
  846. tc_cfg.sync_cfg_height = 0xFFF0;
  847. tc_cfg.vsync_init_val = mode->vdisplay;
  848. tc_cfg.sync_threshold_start = _get_tearcheck_threshold(phys_enc,
  849. &extra_frame_trigger_time);
  850. tc_cfg.sync_threshold_continue = DEFAULT_TEARCHECK_SYNC_THRESH_CONTINUE;
  851. tc_cfg.start_pos = mode->vdisplay;
  852. tc_cfg.rd_ptr_irq = mode->vdisplay + 1;
  853. tc_cfg.wr_ptr_irq = 1;
  854. SDE_DEBUG_CMDENC(cmd_enc,
  855. "tc %d intf %d vsync_clk_speed_hz %u vtotal %u vrefresh %u\n",
  856. phys_enc->hw_pp->idx - PINGPONG_0,
  857. phys_enc->hw_intf->idx - INTF_0,
  858. vsync_hz, mode->vtotal, mode->vrefresh);
  859. SDE_DEBUG_CMDENC(cmd_enc,
  860. "tc %d intf %d enable %u start_pos %u rd_ptr_irq %u wr_ptr_irq %u\n",
  861. phys_enc->hw_pp->idx - PINGPONG_0,
  862. phys_enc->hw_intf->idx - INTF_0,
  863. tc_enable, tc_cfg.start_pos, tc_cfg.rd_ptr_irq,
  864. tc_cfg.wr_ptr_irq);
  865. SDE_DEBUG_CMDENC(cmd_enc,
  866. "tc %d intf %d hw_vsync_mode %u vsync_count %u vsync_init_val %u\n",
  867. phys_enc->hw_pp->idx - PINGPONG_0,
  868. phys_enc->hw_intf->idx - INTF_0,
  869. tc_cfg.hw_vsync_mode, tc_cfg.vsync_count,
  870. tc_cfg.vsync_init_val);
  871. SDE_DEBUG_CMDENC(cmd_enc,
  872. "tc %d intf %d cfgheight %u thresh_start %u thresh_cont %u\n",
  873. phys_enc->hw_pp->idx - PINGPONG_0,
  874. phys_enc->hw_intf->idx - INTF_0,
  875. tc_cfg.sync_cfg_height,
  876. tc_cfg.sync_threshold_start, tc_cfg.sync_threshold_continue);
  877. if (phys_enc->has_intf_te) {
  878. phys_enc->hw_intf->ops.setup_tearcheck(phys_enc->hw_intf,
  879. &tc_cfg);
  880. phys_enc->hw_intf->ops.enable_tearcheck(phys_enc->hw_intf,
  881. tc_enable);
  882. } else {
  883. phys_enc->hw_pp->ops.setup_tearcheck(phys_enc->hw_pp, &tc_cfg);
  884. phys_enc->hw_pp->ops.enable_tearcheck(phys_enc->hw_pp,
  885. tc_enable);
  886. }
  887. }
  888. static void _sde_encoder_phys_cmd_pingpong_config(
  889. struct sde_encoder_phys *phys_enc)
  890. {
  891. struct sde_encoder_phys_cmd *cmd_enc =
  892. to_sde_encoder_phys_cmd(phys_enc);
  893. if (!phys_enc || !phys_enc->hw_ctl || !phys_enc->hw_pp) {
  894. SDE_ERROR("invalid arg(s), enc %d\n", !phys_enc);
  895. return;
  896. }
  897. SDE_DEBUG_CMDENC(cmd_enc, "pp %d, enabling mode:\n",
  898. phys_enc->hw_pp->idx - PINGPONG_0);
  899. drm_mode_debug_printmodeline(&phys_enc->cached_mode);
  900. if (!_sde_encoder_phys_is_ppsplit_slave(phys_enc))
  901. _sde_encoder_phys_cmd_update_intf_cfg(phys_enc);
  902. sde_encoder_phys_cmd_tearcheck_config(phys_enc);
  903. }
  904. static void sde_encoder_phys_cmd_enable_helper(
  905. struct sde_encoder_phys *phys_enc)
  906. {
  907. struct sde_hw_intf *hw_intf;
  908. if (!phys_enc || !phys_enc->hw_ctl || !phys_enc->hw_pp ||
  909. !phys_enc->hw_intf) {
  910. SDE_ERROR("invalid arg(s), encoder %d\n", !phys_enc);
  911. return;
  912. }
  913. sde_encoder_helper_split_config(phys_enc, phys_enc->intf_idx);
  914. _sde_encoder_phys_cmd_pingpong_config(phys_enc);
  915. hw_intf = phys_enc->hw_intf;
  916. if (hw_intf->ops.enable_compressed_input)
  917. hw_intf->ops.enable_compressed_input(phys_enc->hw_intf,
  918. (phys_enc->comp_type !=
  919. MSM_DISPLAY_COMPRESSION_NONE), false);
  920. /*
  921. * For pp-split, skip setting the flush bit for the slave intf, since
  922. * both intfs use same ctl and HW will only flush the master.
  923. */
  924. if (_sde_encoder_phys_is_ppsplit(phys_enc) &&
  925. !sde_encoder_phys_cmd_is_master(phys_enc))
  926. goto skip_flush;
  927. _sde_encoder_phys_cmd_update_flush_mask(phys_enc);
  928. skip_flush:
  929. return;
  930. }
  931. static void sde_encoder_phys_cmd_enable(struct sde_encoder_phys *phys_enc)
  932. {
  933. struct sde_encoder_phys_cmd *cmd_enc =
  934. to_sde_encoder_phys_cmd(phys_enc);
  935. if (!phys_enc || !phys_enc->hw_pp) {
  936. SDE_ERROR("invalid phys encoder\n");
  937. return;
  938. }
  939. SDE_DEBUG_CMDENC(cmd_enc, "pp %d\n", phys_enc->hw_pp->idx - PINGPONG_0);
  940. if (phys_enc->enable_state == SDE_ENC_ENABLED) {
  941. if (!phys_enc->cont_splash_enabled)
  942. SDE_ERROR("already enabled\n");
  943. return;
  944. }
  945. sde_encoder_phys_cmd_enable_helper(phys_enc);
  946. phys_enc->enable_state = SDE_ENC_ENABLED;
  947. }
  948. static bool sde_encoder_phys_cmd_is_autorefresh_enabled(
  949. struct sde_encoder_phys *phys_enc)
  950. {
  951. struct sde_hw_pingpong *hw_pp;
  952. struct sde_hw_intf *hw_intf;
  953. struct sde_hw_autorefresh cfg;
  954. int ret;
  955. if (!phys_enc || !phys_enc->hw_pp || !phys_enc->hw_intf)
  956. return false;
  957. if (!sde_encoder_phys_cmd_is_master(phys_enc))
  958. return false;
  959. if (phys_enc->has_intf_te) {
  960. hw_intf = phys_enc->hw_intf;
  961. if (!hw_intf->ops.get_autorefresh)
  962. return false;
  963. ret = hw_intf->ops.get_autorefresh(hw_intf, &cfg);
  964. } else {
  965. hw_pp = phys_enc->hw_pp;
  966. if (!hw_pp->ops.get_autorefresh)
  967. return false;
  968. ret = hw_pp->ops.get_autorefresh(hw_pp, &cfg);
  969. }
  970. if (ret)
  971. return false;
  972. return cfg.enable;
  973. }
  974. static void sde_encoder_phys_cmd_connect_te(
  975. struct sde_encoder_phys *phys_enc, bool enable)
  976. {
  977. if (!phys_enc || !phys_enc->hw_pp || !phys_enc->hw_intf)
  978. return;
  979. if (phys_enc->has_intf_te &&
  980. phys_enc->hw_intf->ops.connect_external_te)
  981. phys_enc->hw_intf->ops.connect_external_te(phys_enc->hw_intf,
  982. enable);
  983. else if (phys_enc->hw_pp->ops.connect_external_te)
  984. phys_enc->hw_pp->ops.connect_external_te(phys_enc->hw_pp,
  985. enable);
  986. else
  987. return;
  988. SDE_EVT32(DRMID(phys_enc->parent), enable);
  989. }
  990. static int sde_encoder_phys_cmd_te_get_line_count(
  991. struct sde_encoder_phys *phys_enc)
  992. {
  993. struct sde_hw_pingpong *hw_pp;
  994. struct sde_hw_intf *hw_intf;
  995. u32 line_count;
  996. if (!phys_enc || !phys_enc->hw_pp || !phys_enc->hw_intf)
  997. return -EINVAL;
  998. if (!sde_encoder_phys_cmd_is_master(phys_enc))
  999. return -EINVAL;
  1000. if (phys_enc->has_intf_te) {
  1001. hw_intf = phys_enc->hw_intf;
  1002. if (!hw_intf->ops.get_line_count)
  1003. return -EINVAL;
  1004. line_count = hw_intf->ops.get_line_count(hw_intf);
  1005. } else {
  1006. hw_pp = phys_enc->hw_pp;
  1007. if (!hw_pp->ops.get_line_count)
  1008. return -EINVAL;
  1009. line_count = hw_pp->ops.get_line_count(hw_pp);
  1010. }
  1011. return line_count;
  1012. }
  1013. static int sde_encoder_phys_cmd_get_write_line_count(
  1014. struct sde_encoder_phys *phys_enc)
  1015. {
  1016. struct sde_hw_pingpong *hw_pp;
  1017. struct sde_hw_intf *hw_intf;
  1018. struct sde_hw_pp_vsync_info info;
  1019. if (!phys_enc || !phys_enc->hw_pp || !phys_enc->hw_intf)
  1020. return -EINVAL;
  1021. if (!sde_encoder_phys_cmd_is_master(phys_enc))
  1022. return -EINVAL;
  1023. if (phys_enc->has_intf_te) {
  1024. hw_intf = phys_enc->hw_intf;
  1025. if (!hw_intf->ops.get_vsync_info)
  1026. return -EINVAL;
  1027. if (hw_intf->ops.get_vsync_info(hw_intf, &info))
  1028. return -EINVAL;
  1029. } else {
  1030. hw_pp = phys_enc->hw_pp;
  1031. if (!hw_pp->ops.get_vsync_info)
  1032. return -EINVAL;
  1033. if (hw_pp->ops.get_vsync_info(hw_pp, &info))
  1034. return -EINVAL;
  1035. }
  1036. return (int)info.wr_ptr_line_count;
  1037. }
  1038. static void sde_encoder_phys_cmd_disable(struct sde_encoder_phys *phys_enc)
  1039. {
  1040. struct sde_encoder_phys_cmd *cmd_enc =
  1041. to_sde_encoder_phys_cmd(phys_enc);
  1042. if (!phys_enc || !phys_enc->hw_pp || !phys_enc->hw_intf) {
  1043. SDE_ERROR("invalid encoder\n");
  1044. return;
  1045. }
  1046. SDE_DEBUG_CMDENC(cmd_enc, "pp %d intf %d state %d\n",
  1047. phys_enc->hw_pp->idx - PINGPONG_0,
  1048. phys_enc->hw_intf->idx - INTF_0,
  1049. phys_enc->enable_state);
  1050. SDE_EVT32(DRMID(phys_enc->parent), phys_enc->hw_pp->idx - PINGPONG_0,
  1051. phys_enc->hw_intf->idx - INTF_0,
  1052. phys_enc->enable_state);
  1053. if (phys_enc->enable_state == SDE_ENC_DISABLED) {
  1054. SDE_ERROR_CMDENC(cmd_enc, "already disabled\n");
  1055. return;
  1056. }
  1057. if (phys_enc->has_intf_te && phys_enc->hw_intf->ops.enable_tearcheck)
  1058. phys_enc->hw_intf->ops.enable_tearcheck(
  1059. phys_enc->hw_intf,
  1060. false);
  1061. else if (phys_enc->hw_pp->ops.enable_tearcheck)
  1062. phys_enc->hw_pp->ops.enable_tearcheck(phys_enc->hw_pp,
  1063. false);
  1064. phys_enc->enable_state = SDE_ENC_DISABLED;
  1065. }
  1066. static void sde_encoder_phys_cmd_destroy(struct sde_encoder_phys *phys_enc)
  1067. {
  1068. struct sde_encoder_phys_cmd *cmd_enc =
  1069. to_sde_encoder_phys_cmd(phys_enc);
  1070. if (!phys_enc) {
  1071. SDE_ERROR("invalid encoder\n");
  1072. return;
  1073. }
  1074. kfree(cmd_enc);
  1075. }
  1076. static void sde_encoder_phys_cmd_get_hw_resources(
  1077. struct sde_encoder_phys *phys_enc,
  1078. struct sde_encoder_hw_resources *hw_res,
  1079. struct drm_connector_state *conn_state)
  1080. {
  1081. struct sde_encoder_phys_cmd *cmd_enc =
  1082. to_sde_encoder_phys_cmd(phys_enc);
  1083. if (!phys_enc) {
  1084. SDE_ERROR("invalid encoder\n");
  1085. return;
  1086. }
  1087. if ((phys_enc->intf_idx - INTF_0) >= INTF_MAX) {
  1088. SDE_ERROR("invalid intf idx:%d\n", phys_enc->intf_idx);
  1089. return;
  1090. }
  1091. SDE_DEBUG_CMDENC(cmd_enc, "\n");
  1092. hw_res->intfs[phys_enc->intf_idx - INTF_0] = INTF_MODE_CMD;
  1093. }
  1094. static int sde_encoder_phys_cmd_prepare_for_kickoff(
  1095. struct sde_encoder_phys *phys_enc,
  1096. struct sde_encoder_kickoff_params *params)
  1097. {
  1098. struct sde_hw_tear_check tc_cfg = {0};
  1099. struct sde_encoder_phys_cmd *cmd_enc =
  1100. to_sde_encoder_phys_cmd(phys_enc);
  1101. int ret = 0;
  1102. u32 extra_frame_trigger_time;
  1103. if (!phys_enc || !phys_enc->hw_pp) {
  1104. SDE_ERROR("invalid encoder\n");
  1105. return -EINVAL;
  1106. }
  1107. SDE_DEBUG_CMDENC(cmd_enc, "pp %d\n", phys_enc->hw_pp->idx - PINGPONG_0);
  1108. phys_enc->frame_trigger_mode = params->frame_trigger_mode;
  1109. SDE_EVT32(DRMID(phys_enc->parent), phys_enc->hw_pp->idx - PINGPONG_0,
  1110. atomic_read(&phys_enc->pending_kickoff_cnt),
  1111. atomic_read(&cmd_enc->autorefresh.kickoff_cnt),
  1112. phys_enc->frame_trigger_mode);
  1113. if (phys_enc->frame_trigger_mode == FRAME_DONE_WAIT_DEFAULT) {
  1114. /*
  1115. * Mark kickoff request as outstanding. If there are more
  1116. * than one outstanding frame, then we have to wait for the
  1117. * previous frame to complete
  1118. */
  1119. ret = _sde_encoder_phys_cmd_wait_for_idle(phys_enc);
  1120. if (ret) {
  1121. atomic_set(&phys_enc->pending_kickoff_cnt, 0);
  1122. SDE_EVT32(DRMID(phys_enc->parent),
  1123. phys_enc->hw_pp->idx - PINGPONG_0);
  1124. SDE_ERROR("failed wait_for_idle: %d\n", ret);
  1125. }
  1126. }
  1127. if (sde_connector_is_qsync_updated(phys_enc->connector)) {
  1128. tc_cfg.sync_threshold_start =
  1129. _get_tearcheck_threshold(phys_enc,
  1130. &extra_frame_trigger_time);
  1131. if (phys_enc->has_intf_te &&
  1132. phys_enc->hw_intf->ops.update_tearcheck)
  1133. phys_enc->hw_intf->ops.update_tearcheck(
  1134. phys_enc->hw_intf, &tc_cfg);
  1135. else if (phys_enc->hw_pp->ops.update_tearcheck)
  1136. phys_enc->hw_pp->ops.update_tearcheck(
  1137. phys_enc->hw_pp, &tc_cfg);
  1138. SDE_EVT32(DRMID(phys_enc->parent), tc_cfg.sync_threshold_start);
  1139. }
  1140. SDE_DEBUG_CMDENC(cmd_enc, "pp:%d pending_cnt %d\n",
  1141. phys_enc->hw_pp->idx - PINGPONG_0,
  1142. atomic_read(&phys_enc->pending_kickoff_cnt));
  1143. return ret;
  1144. }
  1145. static bool _sde_encoder_phys_cmd_needs_vsync_change(
  1146. struct sde_encoder_phys *phys_enc, ktime_t profile_timestamp)
  1147. {
  1148. struct sde_encoder_phys_cmd *cmd_enc;
  1149. struct sde_encoder_phys_cmd_te_timestamp *cur;
  1150. struct sde_encoder_phys_cmd_te_timestamp *prev = NULL;
  1151. ktime_t time_diff;
  1152. u64 l_bound = 0, u_bound = 0;
  1153. bool ret = false;
  1154. unsigned long lock_flags;
  1155. cmd_enc = to_sde_encoder_phys_cmd(phys_enc);
  1156. sde_encoder_helper_get_jitter_bounds_ns(phys_enc->parent,
  1157. &l_bound, &u_bound);
  1158. if (!l_bound || !u_bound) {
  1159. SDE_ERROR_CMDENC(cmd_enc, "invalid vsync jitter bounds\n");
  1160. return false;
  1161. }
  1162. spin_lock_irqsave(phys_enc->enc_spinlock, lock_flags);
  1163. list_for_each_entry_reverse(cur, &cmd_enc->te_timestamp_list, list) {
  1164. if (prev && ktime_after(cur->timestamp, profile_timestamp)) {
  1165. time_diff = ktime_sub(prev->timestamp, cur->timestamp);
  1166. if ((time_diff < l_bound) || (time_diff > u_bound)) {
  1167. ret = true;
  1168. break;
  1169. }
  1170. }
  1171. prev = cur;
  1172. }
  1173. spin_unlock_irqrestore(phys_enc->enc_spinlock, lock_flags);
  1174. if (ret) {
  1175. SDE_DEBUG_CMDENC(cmd_enc,
  1176. "time_diff:%llu, prev:%llu, cur:%llu, jitter:%llu/%llu\n",
  1177. time_diff, prev->timestamp, cur->timestamp,
  1178. l_bound, u_bound);
  1179. time_diff = div_s64(time_diff, 1000);
  1180. SDE_EVT32(DRMID(phys_enc->parent),
  1181. (u32) (do_div(l_bound, 1000)),
  1182. (u32) (do_div(u_bound, 1000)),
  1183. (u32) (time_diff), SDE_EVTLOG_ERROR);
  1184. }
  1185. return ret;
  1186. }
  1187. static int _sde_encoder_phys_cmd_wait_for_wr_ptr(
  1188. struct sde_encoder_phys *phys_enc)
  1189. {
  1190. struct sde_encoder_phys_cmd *cmd_enc =
  1191. to_sde_encoder_phys_cmd(phys_enc);
  1192. struct sde_encoder_wait_info wait_info = {0};
  1193. int ret;
  1194. bool frame_pending = true;
  1195. struct sde_hw_ctl *ctl;
  1196. if (!phys_enc || !phys_enc->hw_ctl) {
  1197. SDE_ERROR("invalid argument(s)\n");
  1198. return -EINVAL;
  1199. }
  1200. ctl = phys_enc->hw_ctl;
  1201. wait_info.wq = &phys_enc->pending_kickoff_wq;
  1202. wait_info.atomic_cnt = &phys_enc->pending_retire_fence_cnt;
  1203. wait_info.timeout_ms = KICKOFF_TIMEOUT_MS;
  1204. /* slave encoder doesn't enable for ppsplit */
  1205. if (_sde_encoder_phys_is_ppsplit_slave(phys_enc))
  1206. return 0;
  1207. ret = sde_encoder_helper_wait_for_irq(phys_enc, INTR_IDX_WRPTR,
  1208. &wait_info);
  1209. if (ret == -ETIMEDOUT) {
  1210. struct sde_hw_ctl *ctl = phys_enc->hw_ctl;
  1211. if (ctl && ctl->ops.get_start_state)
  1212. frame_pending = ctl->ops.get_start_state(ctl);
  1213. ret = frame_pending ? ret : 0;
  1214. }
  1215. cmd_enc->wr_ptr_wait_success = (ret == 0) ? true : false;
  1216. return ret;
  1217. }
  1218. static int sde_encoder_phys_cmd_wait_for_tx_complete(
  1219. struct sde_encoder_phys *phys_enc)
  1220. {
  1221. int rc;
  1222. struct sde_encoder_phys_cmd *cmd_enc;
  1223. if (!phys_enc)
  1224. return -EINVAL;
  1225. cmd_enc = to_sde_encoder_phys_cmd(phys_enc);
  1226. if (!atomic_read(&phys_enc->pending_kickoff_cnt)) {
  1227. SDE_EVT32(DRMID(phys_enc->parent),
  1228. phys_enc->intf_idx - INTF_0,
  1229. phys_enc->enable_state);
  1230. return 0;
  1231. }
  1232. rc = _sde_encoder_phys_cmd_wait_for_idle(phys_enc);
  1233. if (rc) {
  1234. SDE_EVT32(DRMID(phys_enc->parent),
  1235. phys_enc->intf_idx - INTF_0);
  1236. SDE_ERROR("failed wait_for_idle: %d\n", rc);
  1237. }
  1238. return rc;
  1239. }
  1240. static int _sde_encoder_phys_cmd_handle_wr_ptr_timeout(
  1241. struct sde_encoder_phys *phys_enc,
  1242. ktime_t profile_timestamp)
  1243. {
  1244. struct sde_encoder_phys_cmd *cmd_enc =
  1245. to_sde_encoder_phys_cmd(phys_enc);
  1246. bool switch_te;
  1247. int ret = -ETIMEDOUT;
  1248. unsigned long lock_flags;
  1249. switch_te = _sde_encoder_phys_cmd_needs_vsync_change(
  1250. phys_enc, profile_timestamp);
  1251. SDE_EVT32(DRMID(phys_enc->parent), switch_te, SDE_EVTLOG_FUNC_ENTRY);
  1252. if (switch_te) {
  1253. SDE_DEBUG_CMDENC(cmd_enc,
  1254. "wr_ptr_irq wait failed, retry with WD TE\n");
  1255. /* switch to watchdog TE and wait again */
  1256. sde_encoder_helper_switch_vsync(phys_enc->parent, true);
  1257. ret = _sde_encoder_phys_cmd_wait_for_wr_ptr(phys_enc);
  1258. /* switch back to default TE */
  1259. sde_encoder_helper_switch_vsync(phys_enc->parent, false);
  1260. }
  1261. /*
  1262. * Signaling the retire fence at wr_ptr timeout
  1263. * to allow the next commit and avoid device freeze.
  1264. */
  1265. if (ret == -ETIMEDOUT) {
  1266. SDE_ERROR_CMDENC(cmd_enc,
  1267. "wr_ptr_irq wait failed, switch_te:%d\n", switch_te);
  1268. SDE_EVT32(DRMID(phys_enc->parent), switch_te, SDE_EVTLOG_ERROR);
  1269. if (sde_encoder_phys_cmd_is_master(phys_enc) &&
  1270. atomic_add_unless(
  1271. &phys_enc->pending_retire_fence_cnt, -1, 0)) {
  1272. spin_lock_irqsave(phys_enc->enc_spinlock, lock_flags);
  1273. phys_enc->parent_ops.handle_frame_done(
  1274. phys_enc->parent, phys_enc,
  1275. SDE_ENCODER_FRAME_EVENT_SIGNAL_RETIRE_FENCE);
  1276. spin_unlock_irqrestore(phys_enc->enc_spinlock,
  1277. lock_flags);
  1278. }
  1279. }
  1280. cmd_enc->wr_ptr_wait_success = (ret == 0) ? true : false;
  1281. return ret;
  1282. }
  1283. static int sde_encoder_phys_cmd_wait_for_commit_done(
  1284. struct sde_encoder_phys *phys_enc)
  1285. {
  1286. int rc = 0, i, pending_cnt;
  1287. struct sde_encoder_phys_cmd *cmd_enc;
  1288. ktime_t profile_timestamp = ktime_get();
  1289. u32 scheduler_status = INVALID_CTL_STATUS;
  1290. struct sde_hw_ctl *ctl;
  1291. if (!phys_enc)
  1292. return -EINVAL;
  1293. cmd_enc = to_sde_encoder_phys_cmd(phys_enc);
  1294. /* only required for master controller */
  1295. if (sde_encoder_phys_cmd_is_master(phys_enc)) {
  1296. rc = _sde_encoder_phys_cmd_wait_for_wr_ptr(phys_enc);
  1297. if (rc == -ETIMEDOUT) {
  1298. /*
  1299. * Profile all the TE received after profile_timestamp
  1300. * and if the jitter is more, switch to watchdog TE
  1301. * and wait for wr_ptr again. Finally move back to
  1302. * default TE.
  1303. */
  1304. rc = _sde_encoder_phys_cmd_handle_wr_ptr_timeout(
  1305. phys_enc, profile_timestamp);
  1306. if (rc == -ETIMEDOUT)
  1307. goto wait_for_idle;
  1308. }
  1309. if (cmd_enc->autorefresh.cfg.enable)
  1310. rc = _sde_encoder_phys_cmd_wait_for_autorefresh_done(
  1311. phys_enc);
  1312. ctl = phys_enc->hw_ctl;
  1313. if (ctl && ctl->ops.get_scheduler_status)
  1314. scheduler_status = ctl->ops.get_scheduler_status(ctl);
  1315. }
  1316. /* wait for posted start or serialize trigger */
  1317. pending_cnt = atomic_read(&phys_enc->pending_kickoff_cnt);
  1318. if ((pending_cnt > 1) ||
  1319. (pending_cnt && (scheduler_status & BIT(0))) ||
  1320. (!rc && phys_enc->frame_trigger_mode == FRAME_DONE_WAIT_SERIALIZE))
  1321. goto wait_for_idle;
  1322. return rc;
  1323. wait_for_idle:
  1324. pending_cnt = atomic_read(&phys_enc->pending_kickoff_cnt);
  1325. for (i = 0; i < pending_cnt; i++)
  1326. rc |= sde_encoder_wait_for_event(phys_enc->parent,
  1327. MSM_ENC_TX_COMPLETE);
  1328. if (rc) {
  1329. SDE_EVT32(DRMID(phys_enc->parent),
  1330. phys_enc->hw_pp->idx - PINGPONG_0,
  1331. phys_enc->frame_trigger_mode,
  1332. atomic_read(&phys_enc->pending_kickoff_cnt),
  1333. phys_enc->enable_state,
  1334. cmd_enc->wr_ptr_wait_success, scheduler_status, rc);
  1335. SDE_ERROR("pp:%d failed wait_for_idle: %d\n",
  1336. phys_enc->hw_pp->idx - PINGPONG_0, rc);
  1337. if (phys_enc->enable_state == SDE_ENC_ERR_NEEDS_HW_RESET)
  1338. sde_encoder_needs_hw_reset(phys_enc->parent);
  1339. }
  1340. return rc;
  1341. }
  1342. static int sde_encoder_phys_cmd_wait_for_vblank(
  1343. struct sde_encoder_phys *phys_enc)
  1344. {
  1345. int rc = 0;
  1346. struct sde_encoder_phys_cmd *cmd_enc;
  1347. struct sde_encoder_wait_info wait_info = {0};
  1348. if (!phys_enc)
  1349. return -EINVAL;
  1350. cmd_enc = to_sde_encoder_phys_cmd(phys_enc);
  1351. /* only required for master controller */
  1352. if (!sde_encoder_phys_cmd_is_master(phys_enc))
  1353. return rc;
  1354. wait_info.wq = &cmd_enc->pending_vblank_wq;
  1355. wait_info.atomic_cnt = &cmd_enc->pending_vblank_cnt;
  1356. wait_info.timeout_ms = _sde_encoder_phys_cmd_get_idle_timeout(cmd_enc);
  1357. atomic_inc(&cmd_enc->pending_vblank_cnt);
  1358. rc = sde_encoder_helper_wait_for_irq(phys_enc, INTR_IDX_RDPTR,
  1359. &wait_info);
  1360. return rc;
  1361. }
  1362. static void sde_encoder_phys_cmd_update_split_role(
  1363. struct sde_encoder_phys *phys_enc,
  1364. enum sde_enc_split_role role)
  1365. {
  1366. struct sde_encoder_phys_cmd *cmd_enc;
  1367. enum sde_enc_split_role old_role;
  1368. bool is_ppsplit;
  1369. if (!phys_enc)
  1370. return;
  1371. cmd_enc = to_sde_encoder_phys_cmd(phys_enc);
  1372. old_role = phys_enc->split_role;
  1373. is_ppsplit = _sde_encoder_phys_is_ppsplit(phys_enc);
  1374. phys_enc->split_role = role;
  1375. SDE_DEBUG_CMDENC(cmd_enc, "old role %d new role %d\n",
  1376. old_role, role);
  1377. /*
  1378. * ppsplit solo needs to reprogram because intf may have swapped without
  1379. * role changing on left-only, right-only back-to-back commits
  1380. */
  1381. if (!(is_ppsplit && role == ENC_ROLE_SOLO) &&
  1382. (role == old_role || role == ENC_ROLE_SKIP))
  1383. return;
  1384. sde_encoder_helper_split_config(phys_enc, phys_enc->intf_idx);
  1385. _sde_encoder_phys_cmd_pingpong_config(phys_enc);
  1386. _sde_encoder_phys_cmd_update_flush_mask(phys_enc);
  1387. }
  1388. static void sde_encoder_phys_cmd_prepare_commit(
  1389. struct sde_encoder_phys *phys_enc)
  1390. {
  1391. struct sde_encoder_phys_cmd *cmd_enc =
  1392. to_sde_encoder_phys_cmd(phys_enc);
  1393. int trial = 0;
  1394. if (!phys_enc)
  1395. return;
  1396. if (!sde_encoder_phys_cmd_is_master(phys_enc))
  1397. return;
  1398. SDE_EVT32(DRMID(phys_enc->parent), phys_enc->intf_idx - INTF_0,
  1399. cmd_enc->autorefresh.cfg.enable);
  1400. if (!sde_encoder_phys_cmd_is_autorefresh_enabled(phys_enc))
  1401. return;
  1402. /*
  1403. * If autorefresh is enabled, disable it and make sure it is safe to
  1404. * proceed with current frame commit/push. Sequence fallowed is,
  1405. * 1. Disable TE
  1406. * 2. Disable autorefresh config
  1407. * 4. Poll for frame transfer ongoing to be false
  1408. * 5. Enable TE back
  1409. */
  1410. sde_encoder_phys_cmd_connect_te(phys_enc, false);
  1411. _sde_encoder_phys_cmd_config_autorefresh(phys_enc, 0);
  1412. do {
  1413. udelay(SDE_ENC_MAX_POLL_TIMEOUT_US);
  1414. if ((trial * SDE_ENC_MAX_POLL_TIMEOUT_US)
  1415. > (KICKOFF_TIMEOUT_MS * USEC_PER_MSEC)) {
  1416. SDE_ERROR_CMDENC(cmd_enc,
  1417. "disable autorefresh failed\n");
  1418. phys_enc->enable_state = SDE_ENC_ERR_NEEDS_HW_RESET;
  1419. break;
  1420. }
  1421. trial++;
  1422. } while (_sde_encoder_phys_cmd_is_ongoing_pptx(phys_enc));
  1423. sde_encoder_phys_cmd_connect_te(phys_enc, true);
  1424. SDE_DEBUG_CMDENC(cmd_enc, "disabled autorefresh\n");
  1425. }
  1426. static void sde_encoder_phys_cmd_trigger_start(
  1427. struct sde_encoder_phys *phys_enc)
  1428. {
  1429. struct sde_encoder_phys_cmd *cmd_enc =
  1430. to_sde_encoder_phys_cmd(phys_enc);
  1431. u32 frame_cnt;
  1432. if (!phys_enc)
  1433. return;
  1434. /* we don't issue CTL_START when using autorefresh */
  1435. frame_cnt = _sde_encoder_phys_cmd_get_autorefresh_property(phys_enc);
  1436. if (frame_cnt) {
  1437. _sde_encoder_phys_cmd_config_autorefresh(phys_enc, frame_cnt);
  1438. atomic_inc(&cmd_enc->autorefresh.kickoff_cnt);
  1439. } else {
  1440. sde_encoder_helper_trigger_start(phys_enc);
  1441. }
  1442. }
  1443. static void sde_encoder_phys_cmd_setup_vsync_source(
  1444. struct sde_encoder_phys *phys_enc,
  1445. u32 vsync_source, bool is_dummy)
  1446. {
  1447. if (!phys_enc || !phys_enc->hw_intf)
  1448. return;
  1449. sde_encoder_helper_vsync_config(phys_enc, vsync_source, is_dummy);
  1450. if (phys_enc->has_intf_te && phys_enc->hw_intf->ops.vsync_sel)
  1451. phys_enc->hw_intf->ops.vsync_sel(phys_enc->hw_intf,
  1452. vsync_source);
  1453. }
  1454. static void sde_encoder_phys_cmd_init_ops(struct sde_encoder_phys_ops *ops)
  1455. {
  1456. ops->prepare_commit = sde_encoder_phys_cmd_prepare_commit;
  1457. ops->is_master = sde_encoder_phys_cmd_is_master;
  1458. ops->mode_set = sde_encoder_phys_cmd_mode_set;
  1459. ops->cont_splash_mode_set = sde_encoder_phys_cmd_cont_splash_mode_set;
  1460. ops->mode_fixup = sde_encoder_phys_cmd_mode_fixup;
  1461. ops->enable = sde_encoder_phys_cmd_enable;
  1462. ops->disable = sde_encoder_phys_cmd_disable;
  1463. ops->destroy = sde_encoder_phys_cmd_destroy;
  1464. ops->get_hw_resources = sde_encoder_phys_cmd_get_hw_resources;
  1465. ops->control_vblank_irq = sde_encoder_phys_cmd_control_vblank_irq;
  1466. ops->wait_for_commit_done = sde_encoder_phys_cmd_wait_for_commit_done;
  1467. ops->prepare_for_kickoff = sde_encoder_phys_cmd_prepare_for_kickoff;
  1468. ops->wait_for_tx_complete = sde_encoder_phys_cmd_wait_for_tx_complete;
  1469. ops->wait_for_vblank = sde_encoder_phys_cmd_wait_for_vblank;
  1470. ops->trigger_flush = sde_encoder_helper_trigger_flush;
  1471. ops->trigger_start = sde_encoder_phys_cmd_trigger_start;
  1472. ops->needs_single_flush = sde_encoder_phys_needs_single_flush;
  1473. ops->hw_reset = sde_encoder_helper_hw_reset;
  1474. ops->irq_control = sde_encoder_phys_cmd_irq_control;
  1475. ops->update_split_role = sde_encoder_phys_cmd_update_split_role;
  1476. ops->restore = sde_encoder_phys_cmd_enable_helper;
  1477. ops->control_te = sde_encoder_phys_cmd_connect_te;
  1478. ops->is_autorefresh_enabled =
  1479. sde_encoder_phys_cmd_is_autorefresh_enabled;
  1480. ops->get_line_count = sde_encoder_phys_cmd_te_get_line_count;
  1481. ops->get_wr_line_count = sde_encoder_phys_cmd_get_write_line_count;
  1482. ops->wait_for_active = NULL;
  1483. ops->setup_vsync_source = sde_encoder_phys_cmd_setup_vsync_source;
  1484. ops->setup_misr = sde_encoder_helper_setup_misr;
  1485. ops->collect_misr = sde_encoder_helper_collect_misr;
  1486. }
  1487. static inline bool sde_encoder_phys_cmd_intf_te_supported(
  1488. const struct sde_mdss_cfg *sde_cfg, enum sde_intf idx)
  1489. {
  1490. if (sde_cfg && ((idx - INTF_0) < sde_cfg->intf_count))
  1491. return test_bit(SDE_INTF_TE,
  1492. &(sde_cfg->intf[idx - INTF_0].features));
  1493. return false;
  1494. }
  1495. struct sde_encoder_phys *sde_encoder_phys_cmd_init(
  1496. struct sde_enc_phys_init_params *p)
  1497. {
  1498. struct sde_encoder_phys *phys_enc = NULL;
  1499. struct sde_encoder_phys_cmd *cmd_enc = NULL;
  1500. struct sde_hw_mdp *hw_mdp;
  1501. struct sde_encoder_irq *irq;
  1502. int i, ret = 0;
  1503. SDE_DEBUG("intf %d\n", p->intf_idx - INTF_0);
  1504. cmd_enc = kzalloc(sizeof(*cmd_enc), GFP_KERNEL);
  1505. if (!cmd_enc) {
  1506. ret = -ENOMEM;
  1507. SDE_ERROR("failed to allocate\n");
  1508. goto fail;
  1509. }
  1510. phys_enc = &cmd_enc->base;
  1511. hw_mdp = sde_rm_get_mdp(&p->sde_kms->rm);
  1512. if (IS_ERR_OR_NULL(hw_mdp)) {
  1513. ret = PTR_ERR(hw_mdp);
  1514. SDE_ERROR("failed to get mdptop\n");
  1515. goto fail_mdp_init;
  1516. }
  1517. phys_enc->hw_mdptop = hw_mdp;
  1518. phys_enc->intf_idx = p->intf_idx;
  1519. phys_enc->parent = p->parent;
  1520. phys_enc->parent_ops = p->parent_ops;
  1521. phys_enc->sde_kms = p->sde_kms;
  1522. phys_enc->split_role = p->split_role;
  1523. phys_enc->intf_mode = INTF_MODE_CMD;
  1524. phys_enc->enc_spinlock = p->enc_spinlock;
  1525. phys_enc->vblank_ctl_lock = p->vblank_ctl_lock;
  1526. cmd_enc->stream_sel = 0;
  1527. phys_enc->enable_state = SDE_ENC_DISABLED;
  1528. sde_encoder_phys_cmd_init_ops(&phys_enc->ops);
  1529. phys_enc->comp_type = p->comp_type;
  1530. phys_enc->has_intf_te = sde_encoder_phys_cmd_intf_te_supported(
  1531. phys_enc->sde_kms->catalog, phys_enc->intf_idx);
  1532. for (i = 0; i < INTR_IDX_MAX; i++) {
  1533. irq = &phys_enc->irq[i];
  1534. INIT_LIST_HEAD(&irq->cb.list);
  1535. irq->irq_idx = -EINVAL;
  1536. irq->hw_idx = -EINVAL;
  1537. irq->cb.arg = phys_enc;
  1538. }
  1539. irq = &phys_enc->irq[INTR_IDX_CTL_START];
  1540. irq->name = "ctl_start";
  1541. irq->intr_type = SDE_IRQ_TYPE_CTL_START;
  1542. irq->intr_idx = INTR_IDX_CTL_START;
  1543. irq->cb.func = NULL;
  1544. irq = &phys_enc->irq[INTR_IDX_PINGPONG];
  1545. irq->name = "pp_done";
  1546. irq->intr_type = SDE_IRQ_TYPE_PING_PONG_COMP;
  1547. irq->intr_idx = INTR_IDX_PINGPONG;
  1548. irq->cb.func = sde_encoder_phys_cmd_pp_tx_done_irq;
  1549. irq = &phys_enc->irq[INTR_IDX_RDPTR];
  1550. irq->intr_idx = INTR_IDX_RDPTR;
  1551. irq->name = "te_rd_ptr";
  1552. if (phys_enc->has_intf_te)
  1553. irq->intr_type = SDE_IRQ_TYPE_INTF_TEAR_RD_PTR;
  1554. else
  1555. irq->intr_type = SDE_IRQ_TYPE_PING_PONG_RD_PTR;
  1556. irq->cb.func = sde_encoder_phys_cmd_te_rd_ptr_irq;
  1557. irq = &phys_enc->irq[INTR_IDX_UNDERRUN];
  1558. irq->name = "underrun";
  1559. irq->intr_type = SDE_IRQ_TYPE_INTF_UNDER_RUN;
  1560. irq->intr_idx = INTR_IDX_UNDERRUN;
  1561. irq->cb.func = sde_encoder_phys_cmd_underrun_irq;
  1562. irq = &phys_enc->irq[INTR_IDX_AUTOREFRESH_DONE];
  1563. irq->name = "autorefresh_done";
  1564. if (phys_enc->has_intf_te)
  1565. irq->intr_type = SDE_IRQ_TYPE_INTF_TEAR_AUTO_REF;
  1566. else
  1567. irq->intr_type = SDE_IRQ_TYPE_PING_PONG_AUTO_REF;
  1568. irq->intr_idx = INTR_IDX_AUTOREFRESH_DONE;
  1569. irq->cb.func = sde_encoder_phys_cmd_autorefresh_done_irq;
  1570. irq = &phys_enc->irq[INTR_IDX_WRPTR];
  1571. irq->intr_idx = INTR_IDX_WRPTR;
  1572. irq->name = "wr_ptr";
  1573. if (phys_enc->has_intf_te)
  1574. irq->intr_type = SDE_IRQ_TYPE_INTF_TEAR_WR_PTR;
  1575. else
  1576. irq->intr_type = SDE_IRQ_TYPE_PING_PONG_WR_PTR;
  1577. irq->cb.func = sde_encoder_phys_cmd_wr_ptr_irq;
  1578. atomic_set(&phys_enc->vblank_refcount, 0);
  1579. atomic_set(&phys_enc->pending_kickoff_cnt, 0);
  1580. atomic_set(&phys_enc->pending_retire_fence_cnt, 0);
  1581. atomic_set(&cmd_enc->pending_vblank_cnt, 0);
  1582. init_waitqueue_head(&phys_enc->pending_kickoff_wq);
  1583. init_waitqueue_head(&cmd_enc->pending_vblank_wq);
  1584. atomic_set(&cmd_enc->autorefresh.kickoff_cnt, 0);
  1585. init_waitqueue_head(&cmd_enc->autorefresh.kickoff_wq);
  1586. INIT_LIST_HEAD(&cmd_enc->te_timestamp_list);
  1587. for (i = 0; i < MAX_TE_PROFILE_COUNT; i++)
  1588. list_add(&cmd_enc->te_timestamp[i].list,
  1589. &cmd_enc->te_timestamp_list);
  1590. SDE_DEBUG_CMDENC(cmd_enc, "created\n");
  1591. return phys_enc;
  1592. fail_mdp_init:
  1593. kfree(cmd_enc);
  1594. fail:
  1595. return ERR_PTR(ret);
  1596. }