From: Thomas Zimmermann Date: Thu, 6 Oct 2022 09:53:53 +0000 (+0200) Subject: drm/udl: Add register constants for video locks X-Git-Tag: v6.6.7~1918^2~23^2~1540 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cb7b995dcb20d1ab16f41498c65d8f395f095896;p=platform%2Fkernel%2Flinux-starfive.git drm/udl: Add register constants for video locks Add register constants for the video lock. No functional changes. Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-15-tzimmermann@suse.de --- diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index f8562d4..ea0388c 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 22bc1ae..8e7d1a0 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