Commit cb7b995d authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

drm/udl: Add register constants for video locks 



Add register constants for the video lock. No functional changes.

Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: default avatarJavier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-15-tzimmermann@suse.de
parent ed24ed48

drivers/gpu/drm/udl/udl_modeset.c

+2 −2
Original line number Diff line number Diff line
@@ -41,12 +41,12 @@ static char *udl_set_register(char *buf, u8 reg, u8 val) 


static char *udl_vidreg_lock(char *buf)

{

	return udl_set_register(buf, 0xFF, 0x00);

	return udl_set_register(buf, UDL_REG_VIDREG, UDL_VIDREG_LOCK);

}



static char *udl_vidreg_unlock(char *buf)

{

	return udl_set_register(buf, 0xFF, 0xFF);

	return udl_set_register(buf, UDL_REG_VIDREG, UDL_VIDREG_UNLOCK);

}



static char *udl_set_blank_mode(char *buf, u8 mode)

drivers/gpu/drm/udl/udl_proto.h

+5 −0
Original line number Diff line number Diff line
@@ -31,4 +31,9 @@ 
#define UDL_BLANKMODE_HSYNC_OFF		0x05 /* hsync off, blanked */

#define UDL_BLANKMODE_POWERDOWN		0x07 /* powered off; requires modeset */



/* Lock/unlock video registers */

#define UDL_REG_VIDREG			0xff

#define UDL_VIDREG_LOCK			0x00

#define UDL_VIDREG_UNLOCK		0xff



#endif