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 | |
| 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')
| -rw-r--r-- | src/soc/intel/apollolake/graphics.c | 2 | ||||
| -rw-r--r-- | src/soc/intel/braswell/acpi.c | 1 | ||||
| -rw-r--r-- | src/soc/intel/common/opregion.c | 2 | ||||
| -rw-r--r-- | src/soc/intel/skylake/graphics.c | 2 |
4 files changed, 6 insertions, 1 deletions
diff --git a/src/soc/intel/apollolake/graphics.c b/src/soc/intel/apollolake/graphics.c index 4fa525e6f1..55b98617f8 100644 --- a/src/soc/intel/apollolake/graphics.c +++ b/src/soc/intel/apollolake/graphics.c @@ -42,6 +42,8 @@ uintptr_t graphics_soc_write_acpi_opregion(struct device *device, current += sizeof(igd_opregion_t); + opregion->mailbox1.clid = 1; + /* TODO Initialize Mailbox 3 */ opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS; opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH; diff --git a/src/soc/intel/braswell/acpi.c b/src/soc/intel/braswell/acpi.c index ada274144c..61ae20354c 100644 --- a/src/soc/intel/braswell/acpi.c +++ b/src/soc/intel/braswell/acpi.c @@ -480,6 +480,7 @@ static int update_igd_opregion(igd_opregion_t *opregion) struct device *igd; /* TODO Initialize Mailbox 1 */ + opregion->mailbox1.clid = 1; /* TODO Initialize Mailbox 3 */ opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS; diff --git a/src/soc/intel/common/opregion.c b/src/soc/intel/common/opregion.c index b8111a0760..f35e12a0e7 100644 --- a/src/soc/intel/common/opregion.c +++ b/src/soc/intel/common/opregion.c @@ -58,7 +58,7 @@ enum cb_err init_igd_opregion(igd_opregion_t *opregion) /* 8KiB */ opregion->header.size = sizeof(igd_opregion_t) / KiB; - opregion->header.version = IGD_OPREGION_VERSION; + opregion->header.version = IGD_OPREGION_VERSION << 24; /* FIXME We just assume we're mobile for now */ opregion->header.mailboxes = MAILBOXES_MOBILE; 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; |