On Thu, Sep 08, 2016 at 05:44:16PM +0300, Laurent Pinchart wrote:
> Turn the drm_format_*() helpers into wrappers around the drm_format_info
> lookup function to centralize all format information in a single place.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/drm_fourcc.c | 186 +++++++++----------------------------------
> 1 file changed, 37 insertions(+), 149 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
> index 6b91bd8a510d..bf91c5044d84 100644
> --- a/drivers/gpu/drm/drm_fourcc.c
> +++ b/drivers/gpu/drm/drm_fourcc.c
> @@ -198,69 +198,22 @@ EXPORT_SYMBOL(drm_format_info);
> void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
> int *bpp)
> {
> - char *format_name;
> -
> - switch (format) {
> - case DRM_FORMAT_C8:
> - case DRM_FORMAT_RGB332:
> - case DRM_FORMAT_BGR233:
> - *depth = 8;
> - *bpp = 8;
> - break;
> - case DRM_FORMAT_XRGB1555:
> - case DRM_FORMAT_XBGR1555:
> - case DRM_FORMAT_RGBX5551:
> - case DRM_FORMAT_BGRX5551:
> - case DRM_FORMAT_ARGB1555:
> - case DRM_FORMAT_ABGR1555:
> - case DRM_FORMAT_RGBA5551:
> - case DRM_FORMAT_BGRA5551:
> - *depth = 15;
> - *bpp = 16;
> - break;
> - case DRM_FORMAT_RGB565:
> - case DRM_FORMAT_BGR565:
> - *depth = 16;
> - *bpp = 16;
> - break;
> - case DRM_FORMAT_RGB888:
> - case DRM_FORMAT_BGR888:
> - *depth = 24;
> - *bpp = 24;
> - break;
> - case DRM_FORMAT_XRGB8888:
> - case DRM_FORMAT_XBGR8888:
> - case DRM_FORMAT_RGBX8888:
> - case DRM_FORMAT_BGRX8888:
> - *depth = 24;
> - *bpp = 32;
> - break;
> - case DRM_FORMAT_XRGB2101010:
> - case DRM_FORMAT_XBGR2101010:
> - case DRM_FORMAT_RGBX1010102:
> - case DRM_FORMAT_BGRX1010102:
> - case DRM_FORMAT_ARGB2101010:
> - case DRM_FORMAT_ABGR2101010:
> - case DRM_FORMAT_RGBA1010102:
> - case DRM_FORMAT_BGRA1010102:
> - *depth = 30;
> - *bpp = 32;
> - break;
> - case DRM_FORMAT_ARGB8888:
> - case DRM_FORMAT_ABGR8888:
> - case DRM_FORMAT_RGBA8888:
> - case DRM_FORMAT_BGRA8888:
> - *depth = 32;
> - *bpp = 32;
> - break;
> - default:
> - format_name = drm_get_format_name(format);
> + const struct drm_format_info *info;
> +
> + info = drm_format_info(format);
> + if (!info || !info->depth) {
> + char *format_name = drm_get_format_name(format);
> +
> DRM_DEBUG_KMS("unsupported pixel format %s\n", format_name);
> kfree(format_name);
> +
> *depth = 0;
> *bpp = 0;
> - break;
> + return;
> }
> +
> + *depth = info->depth;
> + *bpp = info->cpp[0] << 3;
Bikeshed: This is a funny way to write * 8 ... Would be nice to fix imo.
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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