Add the register constants for setting the color depth. The driver
only uses 16bpp. No functional changes.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
---
drivers/gpu/drm/udl/udl_modeset.c | 2 +-
drivers/gpu/drm/udl/udl_proto.h | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index 12385bcc71eb..f8562d46b707 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 5a6c960bd10d..22bc1ae8420c 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
--
2.37.3
