diff options
| author | Matthew Garrett <mjg59@srcf.ucam.org> | 2008-08-05 19:37:25 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2008-10-18 07:10:10 +1000 |
| commit | 8ee1c3db9075cb3211352e737e0feb98fd733b20 (patch) | |
| tree | ad91cc8b4ce57fdfdbac8920ba4b352a6871c782 /drivers/gpu/drm/i915/i915_reg.h | |
| parent | 398c9cb20b5c6c5d1313912b937d653a46fec578 (diff) | |
Add Intel ACPI IGD OpRegion support
This adds the support necessary for allowing ACPI backlight control to
work on some newer Intel-based graphics systems. Tested on Thinkpad T61
and HP 2510p hardware.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 477c64e6ba2..43ad2cb8b9f 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -740,6 +740,7 @@ #define BLC_PWM_CTL 0x61254 #define BACKLIGHT_MODULATION_FREQ_SHIFT (17) #define BLC_PWM_CTL2 0x61250 /* 965+ only */ +#define BLM_COMBINATION_MODE (1 << 30) /* * This is the most significant 15 bits of the number of backlight cycles in a * complete cycle of the modulated backlight control. |