[coreboot-gerrit] Change in coreboot[master]: soc/intel/apollolake: Hook up GMA ACPI brightness controls

[Matt DeVillier (Code Review)]

Matt DeVillier has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/40593 )

Change subject: soc/intel/apollolake: Hook up GMA ACPI brightness controls
......................................................................

soc/intel/apollolake: Hook up GMA ACPI brightness controls

Add struct i915_gpu_controller_info for boards to supply info needed
to generate ACPI backlight control SSDT. Hook into soc/common framework
by implementing intel_igd_get_controller_info().

Change-Id: Ia62a88b58e7efd90f550000fc5b2cef0cb5fade7
Signed-off-by: Matt DeVillier 
---
M src/soc/intel/apollolake/chip.h
M src/soc/intel/apollolake/graphics.c
2 files changed, 13 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/93/40593/1

diff --git a/src/soc/intel/apollolake/chip.h b/src/soc/intel/apollolake/chip.h
index ac36b70..f69ea11 100644
--- a/src/soc/intel/apollolake/chip.h
+++ b/src/soc/intel/apollolake/chip.h
@@ -17,6 +17,7 @@
 #define _SOC_APOLLOLAKE_CHIP_H_

#include <commonlib/helpers.h>
+#include <drivers/intel/gma/i915_gma.h>
 #include <intelblocks/cfg.h>
 #include <intelblocks/gspi.h>
 #include <soc/gpe.h>
@@ -192,6 +193,9 @@
     * 0:Enable (default), 1:Disable.
     */
    uint8_t disable_xhci_lfps_pm;
+
+	/* i915 struct for GMA backlight control */
+	struct i915_gpu_controller_info gfx;
 };

typedef struct soc_intel_apollolake_config config_t;
diff --git a/src/soc/intel/apollolake/graphics.c b/src/soc/intel/apollolake/graphics.c
index 797df73..1e3e390 100644
--- a/src/soc/intel/apollolake/graphics.c
+++ b/src/soc/intel/apollolake/graphics.c
@@ -18,6 +18,7 @@
 #include <bootmode.h>
 #include <cbmem.h>
 #include <console/console.h>
+#include <drivers/intel/gma/i915_gma.h>
 #include <fsp/util.h>
 #include <device/device.h>
 #include <device/pci.h>
@@ -27,6 +28,7 @@
 #include <drivers/intel/gma/libgfxinit.h>
 #include <types.h>
 #include <soc/nvs.h>
+#include "chip.h"

uintptr_t gma_get_gnvs_aslb(const void *gnvs)
@@ -88,3 +90,10 @@
    current += sizeof(igd_opregion_t);
    return acpi_align_current(current);
 }
+
+const struct i915_gpu_controller_info *
+intel_igd_get_controller_info(struct device *device)
+{
+	struct soc_intel_apollolake_config *chip = device->chip_info;
+	return &chip->gfx;
+}