diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-10-06 11:53:53 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-10-07 13:47:18 +0200 |
| commit | cb7b995dcb20d1ab16f41498c65d8f395f095896 (patch) | |
| tree | 018e34e1df4412b1d33a862e88e1c0af978138ce | |
| parent | ed24ed48be13fb8a866862f371614d546172cf6f (diff) | |
drm/udl: Add register constants for video locks
Add register constants for the video lock. No functional changes.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-15-tzimmermann@suse.de
| -rw-r--r-- | drivers/gpu/drm/udl/udl_modeset.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/udl/udl_proto.h | 5 |
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index f8562d46b707..ea0388ccbd7e 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -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) diff --git a/drivers/gpu/drm/udl/udl_proto.h b/drivers/gpu/drm/udl/udl_proto.h index 22bc1ae8420c..8e7d1a090644 100644 --- a/drivers/gpu/drm/udl/udl_proto.h +++ b/drivers/gpu/drm/udl/udl_proto.h @@ -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 |