Re: [PATCH 5/5] drm/i915: Kill WA 0826

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On Mon, Oct 29, 2018 at 04:00:44PM -0700, Rodrigo Vivi wrote:
> According to BSpec this is not needed anymore:
> 
> "This workaround is no longer needed since NV12
> support is dropped for the affected projects.
> "
> 
> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

Making it harder for me to keep testing NV12 on skl :P

Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/intel_pm.c | 10 ----------
>  1 file changed, 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 9ee96016cfd5..f202b9b3b796 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4823,16 +4823,6 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
>  		}
>  	}
>  
> -	/*
> -	 * Display WA #826 (SKL:ALL, BXT:ALL)
> -	 * disable wm level 1-7 on NV12 planes
> -	 */
> -	if (wp->is_planar && level >= 1 &&
> -	    (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
> -		result->plane_en = false;
> -		return 0;
> -	}
> -
>  	/* The number of lines are ignored for the level 0 watermark. */
>  	result->plane_res_b = res_blocks;
>  	result->plane_res_l = res_lines;
> -- 
> 2.19.1

-- 
Ville Syrjälä
Intel
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