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| author | Sathishkumar S <sathishkumar.sundararaju@amd.com> | 2025-08-05 18:58:25 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-11-24 12:29:25 +0300 |
| commit | cb02acebd3d0f2e8beff6a28e985633f28cda088 (patch) | |
| tree | f18fea33ae706675a55ed9c13a5d0c1c6bed5798 /drivers | |
| parent | a0a44b1e0873cb0d53a8bfef1865a9befd53e29a (diff) | |
| download | linux-cb02acebd3d0f2e8beff6a28e985633f28cda088.tar.xz | |
drm/amdgpu/jpeg: Hold pg_lock before jpeg poweroff
[ Upstream commit 0e7581eda8c76d1ca4cf519631a4d4eb9f82b94c ]
Acquire jpeg_pg_lock before changes to jpeg power state
and release it after power off from idle work handler.
Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c index 2ff2897fd1db..cd8fa1164d54 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c @@ -87,10 +87,12 @@ static void amdgpu_jpeg_idle_work_handler(struct work_struct *work) fences += amdgpu_fence_count_emitted(&adev->jpeg.inst[i].ring_dec[j]); } - if (!fences && !atomic_read(&adev->jpeg.total_submission_cnt)) + if (!fences && !atomic_read(&adev->jpeg.total_submission_cnt)) { + mutex_lock(&adev->jpeg.jpeg_pg_lock); amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_JPEG, AMD_PG_STATE_GATE); - else + mutex_unlock(&adev->jpeg.jpeg_pg_lock); + } else schedule_delayed_work(&adev->jpeg.idle_work, JPEG_IDLE_TIMEOUT); } |