RE: [PATCH] drm/amdgpu: Fix BACO entry failure in NAVI10.

["Quan, Evan" <Evan.Quan@xxxxxxx>]

Reviewed-by: Evan Quan <evan.quan@xxxxxxx>

> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Andrey
> Grodzovsky
> Sent: Friday, December 6, 2019 3:30 AM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Grodzovsky, Andrey
> <Andrey.Grodzovsky@xxxxxxx>
> Subject: [PATCH] drm/amdgpu: Fix BACO entry failure in NAVI10.
> 
> BACO feature must be kept enabled to allow entry into BACO state in SMU
> during runtime suspend.
> 
> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> index c30f9a2..6dddd78 100644
> --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> @@ -1383,7 +1383,7 @@ static int smu_suspend(void *handle)
>  	if (ret)
>  		return ret;
> 
> -	if (adev->in_gpu_reset && baco_feature_is_enabled) {
> +	if (baco_feature_is_enabled) {
>  		ret = smu_feature_set_enabled(smu,
> SMU_FEATURE_BACO_BIT, true);
>  		if (ret) {
>  			pr_warn("set BACO feature enabled failed,
> return %d\n", ret);
> --
> 2.7.4
> 
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