[PATCH 2/2] drm/amdgpu:Always save uvd vcpu_bo in VM Mode

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Series are:

Reviewed-by: Leo Liu <leo.liu at amd.com>


On 03/06/2018 03:14 PM, James Zhu wrote:
> When UVD is in VM mode, there is not uvd handle exchanged,
> uvd.handles are always 0. So vcpu_bo always need save,
> Otherwise amdgpu driver will fail during suspend/resume.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105021
> Signed-off-by: James Zhu <James.Zhu at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> index 9d037cb..61a31e5 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> @@ -303,7 +303,8 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev)
>   		if (atomic_read(&adev->uvd.handles[i]))
>   			break;
>   
> -	if (i == adev->uvd.max_handles)
> +	/* only valid for physical mode */
> +	if (i == adev->uvd.max_handles && adev->asic_type < CHIP_POLARIS10)
>   		return 0;
>   
>   	size = amdgpu_bo_size(adev->uvd.vcpu_bo);



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