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drm/amdgpu/jpeg: Hold pg_lock before jpeg poweroff

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[ Upstream commit 0e7581eda8 ]

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>
This commit is contained in:
Sathishkumar S
2025-08-05 21:28:25 +05:30
committed by Greg Kroah-Hartman
parent bfe6e7a2a8
commit 5edea8416e
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c
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@@ -121,10 +121,12 @@ static void amdgpu_jpeg_idle_work_handler(struct work_struct *work)
fences += amdgpu_fence_count_emitted(&adev->jpeg.inst[i].ring_dec[j]); 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, amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_JPEG,
AMD_PG_STATE_GATE); AMD_PG_STATE_GATE);
else mutex_unlock(&adev->jpeg.jpeg_pg_lock);
} else
schedule_delayed_work(&adev->jpeg.idle_work, JPEG_IDLE_TIMEOUT); schedule_delayed_work(&adev->jpeg.idle_work, JPEG_IDLE_TIMEOUT);
} }