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| author | Bindu Ramamurthy <bindu.r@amd.com> | 2021-03-16 17:08:47 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-04-09 16:44:36 -0400 |
| commit | 5af50b0b1c200d31f6798a9ddd18aa706c868306 (patch) | |
| tree | 0217c41c0ebed154119473f033e24d46de725754 | |
| parent | 5bf314abfb8a3edf84af9565c12156041395d3a8 (diff) | |
| download | linux-5af50b0b1c200d31f6798a9ddd18aa706c868306.tar.gz linux-5af50b0b1c200d31f6798a9ddd18aa706c868306.tar.bz2 linux-5af50b0b1c200d31f6798a9ddd18aa706c868306.zip | |
drm/amd/display: Allow idle optimization based on vblank.
[Why]
idle optimization was being disabled after commit.
[How]
check vblank count for display off and enable idle optimization based on this count.
Also,check added to ensure vblank count does not decrement, when count reaches 0.
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Bindu Ramamurthy <bindu.r@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 |
1 files changed, 7 insertions, 2 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 81565e73c5c1..01aa9c938b34 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1013,7 +1013,7 @@ static void event_mall_stutter(struct work_struct *work) if (vblank_work->enable) dm->active_vblank_irq_count++; - else + else if(dm->active_vblank_irq_count) dm->active_vblank_irq_count--; dc_allow_idle_optimizations(dm->dc, dm->active_vblank_irq_count == 0); @@ -8678,9 +8678,14 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) dm_enable_per_frame_crtc_master_sync(dc_state); mutex_lock(&dm->dc_lock); WARN_ON(!dc_commit_state(dm->dc, dc_state)); +#if defined(CONFIG_DRM_AMD_DC_DCN) + /* Allow idle optimization when vblank count is 0 for display off */ + if (dm->active_vblank_irq_count == 0) + dc_allow_idle_optimizations(dm->dc,true); +#endif mutex_unlock(&dm->dc_lock); } - + for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc); |