diff options
author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-10-14 12:33:41 -0700 |
---|---|---|
committer | Eric Anholt <eric@anholt.net> | 2009-10-15 09:20:48 -0700 |
commit | 0eb96d6ed38430b72897adde58f5477a6b71757a (patch) | |
tree | 704c50f7b10f6b3bfe159aba2e21bbadac8c3191 /drivers/gpu/drm/i915/i915_reg.h | |
parent | 58a27471d00dc09945cbcfbbc5cbcdcd3c28211d (diff) |
drm/i915: save/restore BLC histogram control reg across suspend/resume
Turns out some machines, like the ThinkPad X40 don't come back if you
don't save/restore this register.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
-rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 0dd87a7309e..b4813586d92 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1080,6 +1080,8 @@ #define BACKLIGHT_DUTY_CYCLE_SHIFT (0) #define BACKLIGHT_DUTY_CYCLE_MASK (0xffff) +#define BLC_HIST_CTL 0x61260 + /* TV port control */ #define TV_CTL 0x68000 /** Enables the TV encoder */ |