diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 336 |
1 files changed, 155 insertions, 181 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 6f04f4226003..a3df3ccfa807 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4589,12 +4589,12 @@ static void update_freesync_state_on_stream( TRANSFER_FUNC_UNKNOWN, &vrr_infopacket); - new_crtc_state->freesync_timing_changed = + new_crtc_state->freesync_timing_changed |= (memcmp(&new_crtc_state->vrr_params.adjust, &vrr_params.adjust, sizeof(vrr_params.adjust)) != 0); - new_crtc_state->freesync_vrr_info_changed = + new_crtc_state->freesync_vrr_info_changed |= (memcmp(&new_crtc_state->vrr_infopacket, &vrr_infopacket, sizeof(vrr_infopacket)) != 0); @@ -4619,156 +4619,6 @@ static void update_freesync_state_on_stream( } /* - * Executes flip - * - * Waits on all BO's fences and for proper vblank count - */ -static void amdgpu_dm_do_flip(struct drm_crtc *crtc, - struct drm_framebuffer *fb, - uint32_t target, - struct dc_state *state) -{ - unsigned long flags; - uint64_t timestamp_ns; - uint32_t target_vblank; - int r, vpos, hpos; - struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); - struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(fb); - struct amdgpu_bo *abo = gem_to_amdgpu_bo(fb->obj[0]); - struct amdgpu_device *adev = crtc->dev->dev_private; - bool async_flip = (crtc->state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0; - struct dc_flip_addrs addr = { {0} }; - /* TODO eliminate or rename surface_update */ - struct dc_surface_update surface_updates[1] = { {0} }; - struct dc_stream_update stream_update = {0}; - struct dm_crtc_state *acrtc_state = to_dm_crtc_state(crtc->state); - struct dc_stream_status *stream_status; - struct dc_plane_state *surface; - uint64_t tiling_flags, dcc_address; - - - /* Prepare wait for target vblank early - before the fence-waits */ - target_vblank = target - (uint32_t)drm_crtc_vblank_count(crtc) + - amdgpu_get_vblank_counter_kms(crtc->dev, acrtc->crtc_id); - - /* - * TODO This might fail and hence better not used, wait - * explicitly on fences instead - * and in general should be called for - * blocking commit to as per framework helpers - */ - r = amdgpu_bo_reserve(abo, true); - if (unlikely(r != 0)) { - DRM_ERROR("failed to reserve buffer before flip\n"); - WARN_ON(1); - } - - /* Wait for all fences on this FB */ - WARN_ON(reservation_object_wait_timeout_rcu(abo->tbo.resv, true, false, - MAX_SCHEDULE_TIMEOUT) < 0); - - amdgpu_bo_get_tiling_flags(abo, &tiling_flags); - - amdgpu_bo_unreserve(abo); - - /* - * Wait until we're out of the vertical blank period before the one - * targeted by the flip - */ - while ((acrtc->enabled && - (amdgpu_display_get_crtc_scanoutpos(adev->ddev, acrtc->crtc_id, - 0, &vpos, &hpos, NULL, - NULL, &crtc->hwmode) - & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK)) == - (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) && - (int)(target_vblank - - amdgpu_get_vblank_counter_kms(adev->ddev, acrtc->crtc_id)) > 0)) { - usleep_range(1000, 1100); - } - - /* Flip */ - spin_lock_irqsave(&crtc->dev->event_lock, flags); - - WARN_ON(acrtc->pflip_status != AMDGPU_FLIP_NONE); - WARN_ON(!acrtc_state->stream); - - addr.address.grph.addr.low_part = lower_32_bits(afb->address); - addr.address.grph.addr.high_part = upper_32_bits(afb->address); - - dcc_address = get_dcc_address(afb->address, tiling_flags); - addr.address.grph.meta_addr.low_part = lower_32_bits(dcc_address); - addr.address.grph.meta_addr.high_part = upper_32_bits(dcc_address); - - addr.flip_immediate = async_flip; - - timestamp_ns = ktime_get_ns(); - addr.flip_timestamp_in_us = div_u64(timestamp_ns, 1000); - - - if (acrtc->base.state->event) - prepare_flip_isr(acrtc); - - spin_unlock_irqrestore(&crtc->dev->event_lock, flags); - - stream_status = dc_stream_get_status(acrtc_state->stream); - if (!stream_status) { - DRM_ERROR("No stream status for CRTC: id=%d\n", - acrtc->crtc_id); - return; - } - - surface = stream_status->plane_states[0]; - surface_updates->surface = surface; - - if (!surface) { - DRM_ERROR("No surface for CRTC: id=%d\n", - acrtc->crtc_id); - return; - } - surface_updates->flip_addr = &addr; - - if (acrtc_state->stream) { - update_freesync_state_on_stream( - &adev->dm, - acrtc_state, - acrtc_state->stream, - surface, - addr.flip_timestamp_in_us); - - if (acrtc_state->freesync_timing_changed) - stream_update.adjust = - &acrtc_state->stream->adjust; - - if (acrtc_state->freesync_vrr_info_changed) - stream_update.vrr_infopacket = - &acrtc_state->stream->vrr_infopacket; - } - - /* Update surface timing information. */ - surface->time.time_elapsed_in_us[surface->time.index] = - addr.flip_timestamp_in_us - surface->time.prev_update_time_in_us; - surface->time.prev_update_time_in_us = addr.flip_timestamp_in_us; - surface->time.index++; - if (surface->time.index >= DC_PLANE_UPDATE_TIMES_MAX) - surface->time.index = 0; - - mutex_lock(&adev->dm.dc_lock); - - dc_commit_updates_for_stream(adev->dm.dc, - surface_updates, - 1, - acrtc_state->stream, - &stream_update, - state); - mutex_unlock(&adev->dm.dc_lock); - - DRM_DEBUG_DRIVER("%s Flipping to hi: 0x%x, low: 0x%x \n", - __func__, - addr.address.grph.addr.high_part, - addr.address.grph.addr.low_part); -} - -/* * TODO this whole function needs to go * * dc_surface_update is needlessly complex. See if we can just replace this @@ -4874,10 +4724,10 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, struct drm_crtc *pcrtc, bool *wait_for_vblank) { - uint32_t i; + uint32_t i, r; + uint64_t timestamp_ns; struct drm_plane *plane; struct drm_plane_state *old_plane_state, *new_plane_state; - struct dc_stream_state *dc_stream_attach; struct dc_plane_state *plane_states_constructed[MAX_SURFACES]; struct amdgpu_crtc *acrtc_attach = to_amdgpu_crtc(pcrtc); struct drm_crtc_state *new_pcrtc_state = @@ -4885,17 +4735,35 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, struct dm_crtc_state *acrtc_state = to_dm_crtc_state(new_pcrtc_state); struct dm_crtc_state *dm_old_crtc_state = to_dm_crtc_state(drm_atomic_get_old_crtc_state(state, pcrtc)); - int planes_count = 0; + int flip_count = 0, planes_count = 0, vpos, hpos; unsigned long flags; + struct amdgpu_bo *abo; + uint64_t tiling_flags, dcc_address; + struct dc_stream_status *stream_status; + uint32_t target, target_vblank; + + struct { + struct dc_surface_update surface_updates[MAX_SURFACES]; + struct dc_flip_addrs flip_addrs[MAX_SURFACES]; + struct dc_stream_update stream_update; + } *flip; + + flip = kzalloc(sizeof(*flip), GFP_KERNEL); + + if (!flip) + dm_error("Failed to allocate update bundles\n"); /* update planes when needed */ for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) { struct drm_crtc *crtc = new_plane_state->crtc; struct drm_crtc_state *new_crtc_state; struct drm_framebuffer *fb = new_plane_state->fb; + struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(fb); bool pflip_needed; + struct dc_plane_state *surface; struct dm_plane_state *dm_new_plane_state = to_dm_plane_state(new_plane_state); + if (plane->type == DRM_PLANE_TYPE_CURSOR) { handle_cursor_update(plane, old_plane_state); continue; @@ -4910,44 +4778,150 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, pflip_needed = !state->allow_modeset; - spin_lock_irqsave(&crtc->dev->event_lock, flags); - if (acrtc_attach->pflip_status != AMDGPU_FLIP_NONE) { - DRM_ERROR("%s: acrtc %d, already busy\n", - __func__, - acrtc_attach->crtc_id); - /* In commit tail framework this cannot happen */ - WARN_ON(1); - } - spin_unlock_irqrestore(&crtc->dev->event_lock, flags); - if (!pflip_needed || plane->type == DRM_PLANE_TYPE_OVERLAY) { WARN_ON(!dm_new_plane_state->dc_state); plane_states_constructed[planes_count] = dm_new_plane_state->dc_state; - dc_stream_attach = acrtc_state->stream; planes_count++; } else if (new_crtc_state->planes_changed) { - /* Assume even ONE crtc with immediate flip means + /* + * Assume even ONE crtc with immediate flip means * entire can't wait for VBLANK * TODO Check if it's correct */ - *wait_for_vblank = - new_pcrtc_state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC ? - false : true; - - /* TODO: Needs rework for multiplane flip */ - if (plane->type == DRM_PLANE_TYPE_PRIMARY) - drm_crtc_vblank_get(crtc); - - amdgpu_dm_do_flip( - crtc, - fb, - (uint32_t)drm_crtc_vblank_count(crtc) + *wait_for_vblank, - dc_state); + if (new_pcrtc_state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC) + *wait_for_vblank = false; + + /* + * TODO This might fail and hence better not used, wait + * explicitly on fences instead + * and in general should be called for + * blocking commit to as per framework helpers + */ + abo = gem_to_amdgpu_bo(fb->obj[0]); + r = amdgpu_bo_reserve(abo, true); + if (unlikely(r != 0)) { + DRM_ERROR("failed to reserve buffer before flip\n"); + WARN_ON(1); + } + + /* Wait for all fences on this FB */ + WARN_ON(reservation_object_wait_timeout_rcu(abo->tbo.resv, true, false, + MAX_SCHEDULE_TIMEOUT) < 0); + + amdgpu_bo_get_tiling_flags(abo, &tiling_flags); + + amdgpu_bo_unreserve(abo); + + flip->flip_addrs[flip_count].address.grph.addr.low_part = lower_32_bits(afb->address); + flip->flip_addrs[flip_count].address.grph.addr.high_part = upper_32_bits(afb->address); + + dcc_address = get_dcc_address(afb->address, tiling_flags); + flip->flip_addrs[flip_count].address.grph.meta_addr.low_part = lower_32_bits(dcc_address); + flip->flip_addrs[flip_count].address.grph.meta_addr.high_part = upper_32_bits(dcc_address); + + flip->flip_addrs[flip_count].flip_immediate = + (crtc->state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0; + + timestamp_ns = ktime_get_ns(); + flip->flip_addrs[flip_count].flip_timestamp_in_us = div_u64(timestamp_ns, 1000); + flip->surface_updates[flip_count].flip_addr = &flip->flip_addrs[flip_count]; + + stream_status = dc_stream_get_status(acrtc_state->stream); + if (!stream_status) { + DRM_ERROR("No stream status for CRTC: id=%d\n", + acrtc_attach->crtc_id); + continue; + } + + surface = stream_status->plane_states[0]; + flip->surface_updates[flip_count].surface = surface; + if (!flip->surface_updates[flip_count].surface) { + DRM_ERROR("No surface for CRTC: id=%d\n", + acrtc_attach->crtc_id); + continue; + } + + if (acrtc_state->stream) + update_freesync_state_on_stream( + dm, + acrtc_state, + acrtc_state->stream, + surface, + flip->flip_addrs[flip_count].flip_timestamp_in_us); + + /* Update surface timing information. */ + surface->time.time_elapsed_in_us[surface->time.index] = + flip->flip_addrs[flip_count].flip_timestamp_in_us - + surface->time.prev_update_time_in_us; + surface->time.prev_update_time_in_us = flip->flip_addrs[flip_count].flip_timestamp_in_us; + surface->time.index++; + if (surface->time.index >= DC_PLANE_UPDATE_TIMES_MAX) + surface->time.index = 0; + + DRM_DEBUG_DRIVER("%s Flipping to hi: 0x%x, low: 0x%x\n", + __func__, + flip->flip_addrs[flip_count].address.grph.addr.high_part, + flip->flip_addrs[flip_count].address.grph.addr.low_part); + + flip_count += 1; + } + + } + + if (flip_count) { + target = (uint32_t)drm_crtc_vblank_count(pcrtc) + *wait_for_vblank; + /* Prepare wait for target vblank early - before the fence-waits */ + target_vblank = target - (uint32_t)drm_crtc_vblank_count(pcrtc) + + amdgpu_get_vblank_counter_kms(pcrtc->dev, acrtc_attach->crtc_id); + + /* + * Wait until we're out of the vertical blank period before the one + * targeted by the flip + */ + while ((acrtc_attach->enabled && + (amdgpu_display_get_crtc_scanoutpos(dm->ddev, acrtc_attach->crtc_id, + 0, &vpos, &hpos, NULL, + NULL, &pcrtc->hwmode) + & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK)) == + (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) && + (int)(target_vblank - + amdgpu_get_vblank_counter_kms(dm->ddev, acrtc_attach->crtc_id)) > 0)) { + usleep_range(1000, 1100); } + if (acrtc_attach->base.state->event) { + drm_crtc_vblank_get(pcrtc); + + spin_lock_irqsave(&pcrtc->dev->event_lock, flags); + + WARN_ON(acrtc_attach->pflip_status != AMDGPU_FLIP_NONE); + prepare_flip_isr(acrtc_attach); + + spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags); + } + + if (acrtc_state->stream) { + + if (acrtc_state->freesync_timing_changed) + flip->stream_update.adjust = + &acrtc_state->stream->adjust; + + if (acrtc_state->freesync_vrr_info_changed) + flip->stream_update.vrr_infopacket = + &acrtc_state->stream->vrr_infopacket; + } + + mutex_lock(&dm->dc_lock); + dc_commit_updates_for_stream(dm->dc, + flip->surface_updates, + flip_count, + acrtc_state->stream, + &flip->stream_update, + dc_state); + mutex_unlock(&dm->dc_lock); } if (planes_count) { @@ -4962,7 +4936,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags); } - dc_stream_attach->abm_level = acrtc_state->abm_level; + acrtc_state->stream->abm_level = acrtc_state->abm_level; if (false == commit_planes_to_stream(dm, dm->dc, |