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

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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: I70e280e54d78e69a335f9a382261193c593ce430
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39883
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Matt DeVillier
2020-03-27 14:13:07 -05:00
committed by Nico Huber
parent 1eea1dd7d7
commit ddb4cf08f7
2 changed files with 12 additions and 0 deletions
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4
src/soc/intel/skylake/chip.h
View File

@@ -19,6 +19,7 @@
#include <arch/acpi_device.h> #include <arch/acpi_device.h>
#include <device/i2c_simple.h> #include <device/i2c_simple.h>
#include <drivers/i2c/designware/dw_i2c.h> #include <drivers/i2c/designware/dw_i2c.h>
#include <drivers/intel/gma/i915.h>
#include <intelblocks/cfg.h> #include <intelblocks/cfg.h>
#include <intelblocks/gspi.h> #include <intelblocks/gspi.h>
#include <intelblocks/lpc_lib.h> #include <intelblocks/lpc_lib.h>
@@ -583,6 +584,9 @@ struct soc_intel_skylake_config {
/* Enable/Disable Sata test mode */ /* Enable/Disable Sata test mode */
u8 SataTestMode; u8 SataTestMode;
/* i915 struct for GMA backlight control */
struct i915_gpu_controller_info gfx;
}; };
typedef struct soc_intel_skylake_config config_t; typedef struct soc_intel_skylake_config config_t;

8
src/soc/intel/skylake/graphics.c
View File

@@ -19,6 +19,7 @@
#include <device/pci.h> #include <device/pci.h>
#include <device/pci_ops.h> #include <device/pci_ops.h>
#include <device/resource.h> #include <device/resource.h>
#include <drivers/intel/gma/i915.h>
#include <drivers/intel/gma/i915_reg.h> #include <drivers/intel/gma/i915_reg.h>
#include <drivers/intel/gma/libgfxinit.h> #include <drivers/intel/gma/libgfxinit.h>
#include <intelblocks/graphics.h> #include <intelblocks/graphics.h>
@@ -185,3 +186,10 @@ uintptr_t graphics_soc_write_acpi_opregion(struct device *device,
printk(BIOS_DEBUG, "current = %lx\n", current); printk(BIOS_DEBUG, "current = %lx\n", current);
return current; return current;
} }
const struct i915_gpu_controller_info *
intel_igd_get_controller_info(struct device *device)
{
struct soc_intel_skylake_config *chip = device->chip_info;
return &chip->gfx;
}