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| author | Sathishkumar S <sathishkumar.sundararaju@amd.com> | 2025-08-05 21:28:25 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-11-13 15:34:10 -0500 |
| commit | 86ddaac6f06fc47858cca32ff30910d093fada1d (patch) | |
| tree | 4a7a591da791888301fd2d8a27645fcb55db4dcf /drivers/gpu/drm/amd/amdgpu | |
| parent | 8a379fd23e802d3ccc8a62f06ba5e1e6ddb71df5 (diff) | |
| download | linux-86ddaac6f06fc47858cca32ff30910d093fada1d.tar.gz linux-86ddaac6f06fc47858cca32ff30910d093fada1d.tar.bz2 linux-86ddaac6f06fc47858cca32ff30910d093fada1d.zip | |
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/gpu/drm/amd/amdgpu')
| -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 6df99cb00d9a..f96a79a4d539 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c @@ -117,10 +117,12 @@ 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); } |