From cb7b995dcb20d1ab16f41498c65d8f395f095896 Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Thu, 6 Oct 2022 11:53:53 +0200 Subject: [PATCH] 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 --- drivers/gpu/drm/udl/udl_modeset.c | 4 ++-- 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 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 -- 2.7.4