diff options
| author | Patrick Georgi <pgeorgi@chromium.org> | 2018-01-25 18:23:15 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2018-01-29 09:41:35 +0000 |
| commit | 0f68b23aafc102926ccc833b228d098f5613f3e8 (patch) | |
| tree | e269e4f69ee8258087d0dbeba08346a7b0f96986 /src/soc/intel/skylake | |
| parent | 26436fb09a5176d46e9057e19f6e262052e72b05 (diff) | |
| download | coreboot-0f68b23aafc102926ccc833b228d098f5613f3e8.tar.xz | |
intel: Prepare registers so Windows drivers are happier
Change-Id: I12ebed30de4df9814ccb62341c7715fc62c7f5b9
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com>
Reviewed-on: https://review.coreboot.org/23431
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/soc/intel/skylake')
| -rw-r--r-- | src/soc/intel/skylake/graphics.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/graphics.c b/src/soc/intel/skylake/graphics.c index 8e6d6ec3f2..f39f39c6a0 100644 --- a/src/soc/intel/skylake/graphics.c +++ b/src/soc/intel/skylake/graphics.c @@ -67,6 +67,8 @@ static void update_igd_opregion(igd_opregion_t *opregion) { u16 reg16; + opregion->mailbox1.clid = 1; + /* Initialize Mailbox 3 */ opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS; opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH; |