diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 48 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h | 1 |
3 files changed, 43 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index f88b6c5b83cd..cebd663b6708 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1061,7 +1061,22 @@ static void vblank_control_worker(struct work_struct *work) DRM_DEBUG_KMS("Allow idle optimizations (MALL): %d\n", dm->active_vblank_irq_count == 0); + /* Control PSR based on vblank requirements from OS */ + if (vblank_work->stream && vblank_work->stream->link) { + if (vblank_work->enable) { + if (vblank_work->stream->link->psr_settings.psr_allow_active) + amdgpu_dm_psr_disable(vblank_work->stream); + } else if (vblank_work->stream->link->psr_settings.psr_feature_enabled && + !vblank_work->stream->link->psr_settings.psr_allow_active && + vblank_work->acrtc->dm_irq_params.allow_psr_entry) { + amdgpu_dm_psr_enable(vblank_work->stream); + } + } + mutex_unlock(&dm->dc_lock); + + dc_stream_release(vblank_work->stream); + kfree(vblank_work); } @@ -6018,6 +6033,11 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable) work->acrtc = acrtc; work->enable = enable; + if (acrtc_state->stream) { + dc_stream_retain(acrtc_state->stream); + work->stream = acrtc_state->stream; + } + queue_work(dm->vblank_control_workqueue, &work->work); #endif @@ -8623,6 +8643,12 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, /* Update the planes if changed or disable if we don't have any. */ if ((planes_count || acrtc_state->active_planes == 0) && acrtc_state->stream) { + /* + * If PSR or idle optimizations are enabled then flush out + * any pending work before hardware programming. + */ + flush_workqueue(dm->vblank_control_workqueue); + bundle->stream_update.stream = acrtc_state->stream; if (new_pcrtc_state->mode_changed) { bundle->stream_update.src = acrtc_state->stream->src; @@ -8691,16 +8717,20 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, acrtc_state->stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED && !acrtc_state->stream->link->psr_settings.psr_feature_enabled) amdgpu_dm_link_setup_psr(acrtc_state->stream); - else if ((acrtc_state->update_type == UPDATE_TYPE_FAST) && - acrtc_state->stream->link->psr_settings.psr_feature_enabled && - !acrtc_state->stream->link->psr_settings.psr_allow_active) { - struct amdgpu_dm_connector *aconn = (struct amdgpu_dm_connector *) - acrtc_state->stream->dm_stream_context; + + /* Decrement skip count when PSR is enabled and we're doing fast updates. */ + if (acrtc_state->update_type == UPDATE_TYPE_FAST && + acrtc_state->stream->link->psr_settings.psr_feature_enabled) { + struct amdgpu_dm_connector *aconn = + (struct amdgpu_dm_connector *)acrtc_state->stream->dm_stream_context; if (aconn->psr_skip_count > 0) aconn->psr_skip_count--; - else - amdgpu_dm_psr_enable(acrtc_state->stream); + + /* Allow PSR when skip count is 0. */ + acrtc_attach->dm_irq_params.allow_psr_entry = !aconn->psr_skip_count; + } else { + acrtc_attach->dm_irq_params.allow_psr_entry = false; } mutex_unlock(&dm->dc_lock); @@ -8949,8 +8979,10 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) if (dc_state) { /* if there mode set or reset, disable eDP PSR */ - if (mode_set_reset_required) + if (mode_set_reset_required) { + flush_workqueue(dm->vblank_control_workqueue); amdgpu_dm_psr_disable_all(dm); + } dm_enable_per_frame_crtc_master_sync(dc_state); mutex_lock(&dm->dc_lock); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index c6b8b835b08a..d1d353a7c77d 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -91,12 +91,14 @@ struct dm_compressor_info { * @work: Kernel work data for the work event * @dm: amdgpu display manager device * @acrtc: amdgpu CRTC instance for which the event has occurred + * @stream: DC stream for which the event has occurred * @enable: true if enabling vblank */ struct vblank_control_work { struct work_struct work; struct amdgpu_display_manager *dm; struct amdgpu_crtc *acrtc; + struct dc_stream_state *stream; bool enable; }; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h index f3b93ba69a27..79b5f9999fec 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq_params.h @@ -33,6 +33,7 @@ struct dm_irq_params { struct mod_vrr_params vrr_params; struct dc_stream_state *stream; int active_planes; + bool allow_psr_entry; struct mod_freesync_config freesync_config; #ifdef CONFIG_DEBUG_FS |