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Commit 3fded222 authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
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drm/amdgpu: Disable gfx off if VCN is busy 



this patch is a workaround for the gpu hang
at video begin/end time if gfx off is enabled.

Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 408acede

drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c

+2 −0
Original line number Diff line number Diff line
@@ -217,6 +217,7 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work) 
	fences += amdgpu_fence_count_emitted(&adev->vcn.ring_jpeg);



	if (fences == 0) {

		amdgpu_gfx_off_ctrl(adev, true);

		if (adev->pm.dpm_enabled)

			amdgpu_dpm_enable_uvd(adev, false);

		else
@@ -233,6 +234,7 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring) 
	bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);



	if (set_clocks) {

		amdgpu_gfx_off_ctrl(adev, false);

		if (adev->pm.dpm_enabled)

			amdgpu_dpm_enable_uvd(adev, true);

		else