Re: [Intel-gfx] [PATCH 5/5] drm/sun4i: Substitute sun4i_backend_format_is_yuv() with format->is_yuv

[Ville Syrjälä]

On Tue, Jul 17, 2018 at 06:13:46PM +0100, Ayan Kumar Halder wrote:
> drm_format_info table has a field 'is_yuv' to denote if the format
> is yuv or not. The driver is expected to use this instead of
> having a function for the same purpose.
> 
> Signed-off-by: Ayan Kumar halder <ayan.halder@xxxxxxx>
> ---
>  drivers/gpu/drm/sun4i/sun4i_backend.c | 12 +++---------
>  1 file changed, 3 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
> index de0a76d..d7950b5 100644
> --- a/drivers/gpu/drm/sun4i/sun4i_backend.c
> +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
> @@ -86,12 +86,6 @@ static inline bool sun4i_backend_format_is_packed_yuv422(uint32_t format)
>  	}
>  }
>  
> -static inline bool sun4i_backend_format_is_yuv(uint32_t format)
> -{
> -	return sun4i_backend_format_is_planar_yuv(format) ||
> -		sun4i_backend_format_is_packed_yuv422(format);
> -}

sun4i_backend_format_is_planar_yuv() is now unused so could be nuked.
Also the one remaining use of sun4i_backend_format_is_packed_yuv422()
could be replaced with 'is_yuv && num_planes == 1', so that one could
be easily killed off ass well.

> -
>  static void sun4i_backend_apply_color_correction(struct sunxi_engine *engine)
>  {
>  	int i;
> @@ -304,7 +298,7 @@ int sun4i_backend_update_layer_formats(struct sun4i_backend *backend,
>  			   SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA_EN,
>  			   val);
>  
> -	if (sun4i_backend_format_is_yuv(fb->format->format))
> +	if (fb->format->is_yuv)
>  		return sun4i_backend_update_yuv_format(backend, layer, plane);
>  
>  	ret = sun4i_backend_drm_format_to_layer(fb->format->format, &val);
> @@ -384,7 +378,7 @@ int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend,
>  	 */
>  	paddr -= PHYS_OFFSET;
>  
> -	if (sun4i_backend_format_is_yuv(fb->format->format))
> +	if (fb->format->is_yuv)
>  		return sun4i_backend_update_yuv_buffer(backend, fb, paddr);
>  
>  	/* Write the 32 lower bits of the address (in bits) */
> @@ -502,7 +496,7 @@ static int sun4i_backend_atomic_check(struct sunxi_engine *engine,
>  		if (fb->format->has_alpha || (plane_state->alpha != DRM_BLEND_ALPHA_OPAQUE))
>  			num_alpha_planes++;
>  
> -		if (sun4i_backend_format_is_yuv(fb->format->format)) {
> +		if (fb->format->is_yuv) {
>  			DRM_DEBUG_DRIVER("Plane FB format is YUV\n");
>  			num_yuv_planes++;
>  		}
> -- 
> 2.7.4
> 
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-- 
Ville Syrjälä
Intel