[PATCH] drm/amd/powerplay: fix power over limit on Fiji

[Felix Kuehling]

Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>


On 2018-02-27 03:57 PM, Eric Huang wrote:
> power containment disabled only on Fiji and compute
> power profile. It violates PCIe spec and may cause power
> supply failed. Enabling it will fix the issue, even the
> fix will drop performance of some compute tests.
>
> Signed-off-by: Eric Huang <JinHuiEric.Huang at amd.com>
> ---
>  drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 7 -------
>  1 file changed, 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> index 535d786..731475b 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> @@ -4630,13 +4630,6 @@ static int smu7_set_power_profile_state(struct pp_hwmgr *hwmgr,
>  	int tmp_result, result = 0;
>  	uint32_t sclk_mask = 0, mclk_mask = 0;
>  
> -	if (hwmgr->chip_id == CHIP_FIJI) {
> -		if (request->type == AMD_PP_GFX_PROFILE)
> -			smu7_enable_power_containment(hwmgr);
> -		else if (request->type == AMD_PP_COMPUTE_PROFILE)
> -			smu7_disable_power_containment(hwmgr);
> -	}
> -
>  	if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_AUTO)
>  		return -EINVAL;
>