[PATCH] drm/amd/powerplay: initialize uvd/vce powergate status v2

[Quan, Evan]

> that we will not try to gate them(enable dpm for now).
Sorry, there seems a typo in the description(enable -> disable).
I will send out another patch with this typo addressed.

Regards,
Evan
> -----Original Message-----
> From: Evan Quan [mailto:evan.quan at amd.com]
> Sent: Wednesday, June 20, 2018 2:09 PM
> To: amd-gfx at lists.freedesktop.org
> Cc: Quan, Evan <Evan.Quan at amd.com>
> Subject: [PATCH] drm/amd/powerplay: initialize uvd/vce powergate status
> v2
> 
> On UVD/VCE dpm disabled, the powergate status should be set as true. So
> that we will not try to gate them(enable dpm for now).
> 
> v2: added check for uvd/vce powergate status before gating
> 
> Change-Id: I569a5aa216b5e7d64a2b504f2ff98cc83ca802d5
> Signed-off-by: Evan Quan <evan.quan at amd.com>
> ---
>  drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 23
> ++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> index 45c8f2d..28b172e 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> @@ -777,6 +777,21 @@ static int vega12_set_allowed_featuresmask(struct
> pp_hwmgr *hwmgr)
>  	return 0;
>  }
> 
> +static void vega12_init_powergate_state(struct pp_hwmgr *hwmgr) {
> +	struct vega12_hwmgr *data =
> +			(struct vega12_hwmgr *)(hwmgr->backend);
> +
> +	data->uvd_power_gated = true;
> +	data->vce_power_gated = true;
> +
> +	if (data->smu_features[GNLD_DPM_UVD].enabled)
> +		data->uvd_power_gated = false;
> +
> +	if (data->smu_features[GNLD_DPM_VCE].enabled)
> +		data->vce_power_gated = false;
> +}
> +
>  static int vega12_enable_all_smu_features(struct pp_hwmgr *hwmgr)  {
>  	struct vega12_hwmgr *data =
> @@ -801,6 +816,8 @@ static int vega12_enable_all_smu_features(struct
> pp_hwmgr *hwmgr)
>  		}
>  	}
> 
> +	vega12_init_powergate_state(hwmgr);
> +
>  	return 0;
>  }
> 
> @@ -1985,6 +2002,9 @@ static void vega12_power_gate_vce(struct
> pp_hwmgr *hwmgr, bool bgate)  {
>  	struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr-
> >backend);
> 
> +	if (data->vce_power_gated == bgate)
> +		return 0;
> +
>  	data->vce_power_gated = bgate;
>  	vega12_enable_disable_vce_dpm(hwmgr, !bgate);  } @@ -1993,6
> +2013,9 @@ static void vega12_power_gate_uvd(struct pp_hwmgr *hwmgr,
> bool bgate)  {
>  	struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr-
> >backend);
> 
> +	if (data->uvd_power_gated == bgate)
> +		return 0;
> +
>  	data->uvd_power_gated = bgate;
>  	vega12_enable_disable_uvd_dpm(hwmgr, !bgate);  }
> --
> 2.7.4