[PATCH 1/2] drm/amdgpu: fix s3 resume back, uvd dpm randomly can't disable.

[Christian König]

Am 21.10.2016 um 12:13 schrieb Rex Zhu:
> the value of last_mclk_dpm_enable_mask will be changed if
> other clients(vce,dal) trigger set power state between enable
> and disable uvd dpm.
>
> Change-Id: I5bdca2ff7d401243780c71c8d73fdc1e8febaae1
> Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>

Acked-by: Christian König <christian.koenig at amd.com> for the series/./

> ---
>   drivers/gpu/drm/amd/amdgpu/ci_dpm.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
> index 6ecfc48..966e5bf 100644
> --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
> @@ -4081,7 +4081,7 @@ static int ci_enable_uvd_dpm(struct amdgpu_device *adev, bool enable)
>   							  pi->dpm_level_enable_mask.mclk_dpm_enable_mask);
>   		}
>   	} else {
> -		if (pi->last_mclk_dpm_enable_mask & 0x1) {
> +		if (pi->uvd_enabled == true) {
>   			pi->uvd_enabled = false;
>   			pi->dpm_level_enable_mask.mclk_dpm_enable_mask |= 1;
>   			amdgpu_ci_send_msg_to_smc_with_parameter(adev,


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