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iprev=pass (214.173.214.35.bc.googleusercontent.com) smtp.remote-ip=35.214.173.214; auth=pass (LOGIN) smtp.auth=esm19.siteground.biz; dkim=pass header.d=valla.it header.s=default header.a=rsa-sha256; arc=none Add drm_draw_can_convert_from_xrgb8888() function that can be used to determine if a XRGB8888 color can be converted to the specified format. Reviewed-by: Jocelyn Falempe Signed-off-by: Francesco Valla --- drivers/gpu/drm/drm_draw.c | 29 +++++++++++++++++++++++++++++ drivers/gpu/drm/drm_draw_internal.h | 2 ++ 2 files changed, 31 insertions(+) diff --git a/drivers/gpu/drm/drm_draw.c b/drivers/gpu/drm/drm_draw.c index 5b956229c82fb6e232e3342705a226c8e14c8568..5043baf901b82e730cb7c3fe55a= ab99c91cd9fdf 100644 --- a/drivers/gpu/drm/drm_draw.c +++ b/drivers/gpu/drm/drm_draw.c @@ -15,6 +15,35 @@ #include "drm_draw_internal.h" #include "drm_format_internal.h" =20 +/** + * drm_draw_can_convert_from_xrgb8888 - check if xrgb8888 can be converted= to the desired format + * @format: format + * + * Returns: + * True if XRGB8888 can be converted to the specified format, false otherw= ise. + */ +bool drm_draw_can_convert_from_xrgb8888(u32 format) +{ + switch (format) { + case DRM_FORMAT_RGB565: + case DRM_FORMAT_RGBA5551: + case DRM_FORMAT_XRGB1555: + case DRM_FORMAT_ARGB1555: + case DRM_FORMAT_RGB888: + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_ARGB2101010: + case DRM_FORMAT_ABGR2101010: + return true; + default: + return false; + } +} +EXPORT_SYMBOL(drm_draw_can_convert_from_xrgb8888); + /** * drm_draw_color_from_xrgb8888 - convert one pixel from xrgb8888 to the d= esired format * @color: input color, in xrgb8888 format diff --git a/drivers/gpu/drm/drm_draw_internal.h b/drivers/gpu/drm/drm_draw= _internal.h index 20cb404e23ea6263b535ea2b81b25f84c37be8a2..2619671456359efa3406a480890= a0b5ac63dd9ea 100644 --- a/drivers/gpu/drm/drm_draw_internal.h +++ b/drivers/gpu/drm/drm_draw_internal.h @@ -24,6 +24,8 @@ static inline const u8 *drm_draw_get_char_bitmap(const st= ruct font_desc *font, return font->data + (c * font->height) * font_pitch; } =20 +bool drm_draw_can_convert_from_xrgb8888(u32 format); + u32 drm_draw_color_from_xrgb8888(u32 color, u32 format); =20 void drm_draw_blit16(struct iosys_map *dmap, unsigned int dpitch, --=20 2.52.0