On Wed, Apr 15, 2020 at 11:43:24PM +0800, Liang, Prike wrote:
> When the amdgpu in the suspend/resume loop need notify the dpm disabled,
> otherwise the smu table will be uninitialize and result in resume failed.
>
> Signed-off-by: Prike Liang <prike.li...@amd.com>
> Tested-by: Mengbing Wang <mengbing.w...@amd.com>
Reviewed-by: Huang Rui <ray.hu...@amd.com>
> ---
> drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
> b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
> index 95eb445..7ddaea8 100644
> --- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
> +++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
> @@ -895,12 +895,17 @@ static int renoir_read_sensor(struct smu_context *smu,
>
> static bool renoir_is_dpm_running(struct smu_context *smu)
> {
> + struct amdgpu_device *adev = smu->adev;
> +
> /*
> * Until now, the pmfw hasn't exported the interface of SMU
> * feature mask to APU SKU so just force on all the feature
> * at early initial stage.
> */
> - return true;
> + if (adev->in_suspend)
> + return false;
> + else
> + return true;
>
> }
>
> --
> 2.7.4
>
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