From: Paul Kocialkowski Date: Fri, 23 Nov 2018 09:24:36 +0000 (+0100) Subject: drm/sun4i: backend: Add a helper and a list for supported formats X-Git-Tag: v5.15~303^2~28^2~6036 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3d4265f89d064df2a6952e3f24a3da4fd687cc65;p=platform%2Fkernel%2Flinux-starfive.git drm/sun4i: backend: Add a helper and a list for supported formats In order to check whether the backend supports a specific format, an explicit list and a related helper are introduced. The prototype of this helper is added to the header so that it can be called from sun4i_layer later (when introducing tiled mode support). Signed-off-by: Paul Kocialkowski Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20181123092515.2511-5-paul.kocialkowski@bootlin.com --- diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c index c344424..7dd24eb 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.c +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c @@ -155,6 +155,33 @@ static int sun4i_backend_drm_format_to_layer(u32 format, u32 *mode) return 0; } +static const uint32_t sun4i_backend_formats[] = { + DRM_FORMAT_ARGB1555, + DRM_FORMAT_ARGB4444, + DRM_FORMAT_ARGB8888, + DRM_FORMAT_BGRX8888, + DRM_FORMAT_RGB565, + DRM_FORMAT_RGB888, + DRM_FORMAT_RGBA4444, + DRM_FORMAT_RGBA5551, + DRM_FORMAT_UYVY, + DRM_FORMAT_VYUY, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_YUYV, + DRM_FORMAT_YVYU, +}; + +bool sun4i_backend_format_is_supported(uint32_t fmt) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(sun4i_backend_formats); i++) + if (sun4i_backend_formats[i] == fmt) + return true; + + return false; +} + int sun4i_backend_update_layer_coord(struct sun4i_backend *backend, int layer, struct drm_plane *plane) { diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.h b/drivers/gpu/drm/sun4i/sun4i_backend.h index 339dbff..93db3af 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.h +++ b/drivers/gpu/drm/sun4i/sun4i_backend.h @@ -198,6 +198,7 @@ engine_to_sun4i_backend(struct sunxi_engine *engine) void sun4i_backend_layer_enable(struct sun4i_backend *backend, int layer, bool enable); +bool sun4i_backend_format_is_supported(uint32_t fmt); int sun4i_backend_update_layer_coord(struct sun4i_backend *backend, int layer, struct drm_plane *plane); int sun4i_backend_update_layer_formats(struct sun4i_backend *backend,