From: Thomas Zimmermann Date: Thu, 6 Oct 2022 09:53:52 +0000 (+0200) Subject: drm/udl: Add register constants for color depth X-Git-Tag: v6.6.17~3937^2~23^2~1541 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ed24ed48be13fb8a866862f371614d546172cf6f;p=platform%2Fkernel%2Flinux-rpi.git drm/udl: Add register constants for color depth Add the register constants for setting the color depth. The driver only uses 16bpp. No functional changes. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-14-tzimmermann@suse.de --- diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index 12385bc..f8562d4 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -56,7 +56,7 @@ static char *udl_set_blank_mode(char *buf, u8 mode) static char *udl_set_color_depth(char *buf, u8 selection) { - return udl_set_register(buf, 0x00, selection); + return udl_set_register(buf, UDL_REG_COLORDEPTH, selection); } static char *udl_set_base16bpp(char *wrptr, u32 base) diff --git a/drivers/gpu/drm/udl/udl_proto.h b/drivers/gpu/drm/udl/udl_proto.h index 5a6c960..22bc1ae 100644 --- a/drivers/gpu/drm/udl/udl_proto.h +++ b/drivers/gpu/drm/udl/udl_proto.h @@ -3,7 +3,10 @@ #ifndef UDL_PROTO_H #define UDL_PROTO_H +/* Color depth */ +#define UDL_REG_COLORDEPTH 0x00 #define UDL_COLORDEPTH_16BPP 0 +#define UDL_COLORDEPTH_24BPP 1 /* Display-mode settings */ #define UDL_REG_XDISPLAYSTART 0x01