Re: [PATCH 2/8] drm/i915: Rewrite the FBC tiling check a bit

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On Wed, 14 Apr 2021, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Write the tiling check in a nicer form.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_fbc.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
> index 04d9c7d22b04..178243a6d3a2 100644
> --- a/drivers/gpu/drm/i915/display/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/display/intel_fbc.c
> @@ -681,11 +681,9 @@ static bool tiling_is_valid(struct drm_i915_private *dev_priv,
>  {
>  	switch (modifier) {
>  	case DRM_FORMAT_MOD_LINEAR:
> -		if (DISPLAY_VER(dev_priv) >= 9)
> -			return true;
> -		return false;
> -	case I915_FORMAT_MOD_X_TILED:
>  	case I915_FORMAT_MOD_Y_TILED:
> +		return DISPLAY_VER(dev_priv) >= 9;

So this adds the version check on I915_FORMAT_MOD_Y_TILED which didn't
have it before?

BR,
Jani.


> +	case I915_FORMAT_MOD_X_TILED:
>  		return true;
>  	default:
>  		return false;

-- 
Jani Nikula, Intel Open Source Graphics Center
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