disp: msm: sde: add support for noise layer
DPU has added support for noise injection into the layer stack. Change adds support for noise layer programming and exposes the hardware block to the user space modules. Change-Id: Id176eea54fcdcd5d399457b14133a1ccde07299f
Этот коммит содержится в:
Gopikrishnaiah Anandan
коммит произвёл
Gerrit - the friendly Code Review server
Gerrit - the friendly Code Review server
родитель
0902623719
Коммит
e7c7283510
@@ -63,6 +63,9 @@ static int sde_crtc_mmrm_interrupt_handler(struct drm_crtc *crtc_drm,
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bool en, struct sde_irq_callback *idle_irq);
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static int sde_crtc_pm_event_handler(struct drm_crtc *crtc, bool en,
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struct sde_irq_callback *noirq);
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static int _sde_crtc_set_noise_layer(struct sde_crtc *sde_crtc,
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struct sde_crtc_state *cstate,
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void __user *usr_ptr);
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static struct sde_crtc_custom_events custom_events[] = {
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{DRM_EVENT_AD_BACKLIGHT, sde_cp_ad_interrupt},
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@@ -103,6 +106,11 @@ static struct sde_crtc_custom_events custom_events[] = {
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#define SKIP_STAGING_PIPE_ZPOS 255
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static void sde_crtc_install_noise_layer_properties(struct sde_crtc *sde_crtc,
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struct sde_mdss_cfg *catalog, struct sde_kms_info *info);
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static void sde_cp_crtc_apply_noise(struct drm_crtc *crtc,
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struct drm_crtc_state *state);
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static inline struct sde_kms *_sde_crtc_get_kms(struct drm_crtc *crtc)
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{
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struct msm_drm_private *priv;
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@@ -3386,6 +3394,7 @@ static void sde_crtc_atomic_begin(struct drm_crtc *crtc,
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_sde_crtc_blend_setup(crtc, old_state, true);
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_sde_crtc_dest_scaler_setup(crtc);
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sde_cp_crtc_apply_noise(crtc, old_state);
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if (old_state->mode_changed) {
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sde_core_perf_crtc_update_uidle(crtc, true);
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@@ -4914,6 +4923,23 @@ static int _sde_crtc_check_get_pstates(struct drm_crtc *crtc,
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return rc;
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}
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static int _sde_crtc_noise_layer_check_zpos(struct sde_crtc_state *cstate,
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u32 zpos) {
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if (!test_bit(SDE_CRTC_NOISE_LAYER, cstate->dirty) ||
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!cstate->noise_layer_en) {
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SDE_DEBUG("noise layer not enabled %d\n", cstate->noise_layer_en);
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return 0;
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}
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if (cstate->layer_cfg.zposn == zpos ||
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cstate->layer_cfg.zposattn == zpos) {
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SDE_ERROR("invalid zpos %d zposn %d zposattn %d\n", zpos,
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cstate->layer_cfg.zposn, cstate->layer_cfg.zposattn);
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return -EINVAL;
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}
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return 0;
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}
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static int _sde_crtc_check_zpos(struct drm_crtc_state *state,
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struct sde_crtc *sde_crtc,
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struct sde_crtc_state *cstate,
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@@ -4978,7 +5004,9 @@ static int _sde_crtc_check_zpos(struct drm_crtc_state *state,
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} else {
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zpos_cnt++;
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}
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rc = _sde_crtc_noise_layer_check_zpos(cstate, z_pos);
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if (rc)
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break;
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if (!kms->catalog->has_base_layer)
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pstates[i].sde_pstate->stage = z_pos + SDE_STAGE_0;
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else
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@@ -5580,6 +5608,8 @@ static void sde_crtc_install_properties(struct drm_crtc *crtc,
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info->data, SDE_KMS_INFO_DATALEN(info),
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CRTC_PROP_INFO);
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sde_crtc_install_noise_layer_properties(sde_crtc, catalog, info);
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kfree(info);
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}
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@@ -5731,6 +5761,10 @@ static int sde_crtc_atomic_set_property(struct drm_crtc *crtc,
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}
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}
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break;
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case CRTC_PROP_NOISE_LAYER_V1:
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_sde_crtc_set_noise_layer(sde_crtc, cstate,
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(void __user *)(uintptr_t)val);
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break;
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default:
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/* nothing to do */
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break;
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@@ -7117,3 +7151,107 @@ void sde_crtc_update_cont_splash_settings(struct drm_crtc *crtc)
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rate : kms->perf.max_core_clk_rate;
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sde_crtc->cur_perf.core_clk_rate = kms->perf.max_core_clk_rate;
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}
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static void sde_crtc_install_noise_layer_properties(struct sde_crtc *sde_crtc,
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struct sde_mdss_cfg *catalog, struct sde_kms_info *info)
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{
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struct sde_lm_cfg *lm;
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char feature_name[256];
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u32 version;
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if (!catalog->mixer_count)
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return;
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lm = &catalog->mixer[0];
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if (!(lm->features & BIT(SDE_MIXER_NOISE_LAYER)))
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return;
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version = lm->sblk->nlayer.version >> 16;
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snprintf(feature_name, ARRAY_SIZE(feature_name), "%s%d", "noise_layer_v", version);
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switch (version) {
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case 1:
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sde_kms_info_add_keyint(info, "has_noise_layer", 1);
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msm_property_install_volatile_range(&sde_crtc->property_info,
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feature_name, 0x0, 0, ~0, 0, CRTC_PROP_NOISE_LAYER_V1);
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break;
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default:
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SDE_ERROR("unsupported noise layer version %d\n", version);
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break;
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}
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}
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static int _sde_crtc_set_noise_layer(struct sde_crtc *sde_crtc,
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struct sde_crtc_state *cstate,
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void __user *usr_ptr)
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{
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int ret;
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if (!sde_crtc || !cstate) {
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SDE_ERROR("invalid sde_crtc/state\n");
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return -EINVAL;
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}
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SDE_DEBUG("crtc %s\n", sde_crtc->name);
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if (!usr_ptr) {
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SDE_DEBUG("noise layer removed\n");
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cstate->noise_layer_en = false;
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set_bit(SDE_CRTC_NOISE_LAYER, cstate->dirty);
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return 0;
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}
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ret = copy_from_user(&cstate->layer_cfg, usr_ptr,
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sizeof(cstate->layer_cfg));
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if (ret) {
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SDE_ERROR("failed to copy noise layer %d\n", ret);
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return -EFAULT;
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}
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if (cstate->layer_cfg.zposn != cstate->layer_cfg.zposattn - 1 ||
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cstate->layer_cfg.zposattn >= SDE_STAGE_MAX ||
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!cstate->layer_cfg.attn_factor ||
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cstate->layer_cfg.attn_factor > DRM_NOISE_ATTN_MAX ||
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cstate->layer_cfg.strength > DRM_NOISE_STREN_MAX ||
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!cstate->layer_cfg.alpha_noise ||
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cstate->layer_cfg.alpha_noise > DRM_NOISE_ATTN_MAX) {
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SDE_ERROR("invalid param zposn %d zposattn %d attn_factor %d \
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strength %d alpha noise %d\n", cstate->layer_cfg.zposn,
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cstate->layer_cfg.zposattn, cstate->layer_cfg.attn_factor,
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cstate->layer_cfg.strength, cstate->layer_cfg.alpha_noise);
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return -EINVAL;
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}
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cstate->noise_layer_en = true;
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set_bit(SDE_CRTC_NOISE_LAYER, cstate->dirty);
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return 0;
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}
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static void sde_cp_crtc_apply_noise(struct drm_crtc *crtc,
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struct drm_crtc_state *state)
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{
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struct sde_crtc *scrtc = to_sde_crtc(crtc);
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struct sde_crtc_state *cstate = to_sde_crtc_state(crtc->state);
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struct sde_hw_mixer *lm;
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int i;
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struct sde_hw_noise_layer_cfg cfg;
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if (!test_bit(SDE_CRTC_NOISE_LAYER, cstate->dirty))
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return;
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cfg.flags = cstate->layer_cfg.flags;
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cfg.alpha_noise = cstate->layer_cfg.alpha_noise;
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cfg.attn_factor = cstate->layer_cfg.attn_factor;
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cfg.strength = cstate->layer_cfg.strength;
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cfg.zposn = cstate->layer_cfg.zposn;
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cfg.zposattn = cstate->layer_cfg.zposattn;
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for (i = 0; i < scrtc->num_mixers; i++) {
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lm = scrtc->mixers[i].hw_lm;
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if (!lm->ops.setup_noise_layer)
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break;
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if (!cstate->noise_layer_en)
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lm->ops.setup_noise_layer(lm, NULL);
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else
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lm->ops.setup_noise_layer(lm, &cfg);
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}
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if (!cstate->noise_layer_en)
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clear_bit(SDE_CRTC_NOISE_LAYER, cstate->dirty);
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}
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