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authorTim Crawford <tcrawford@system76.com>2022-11-01 11:42:28 -0600
committerFelix Held <felix-coreboot@felixheld.de>2022-11-03 12:58:26 +0000
commitc6529c7c0aadf200f187078244fbeea13ed5303a (patch)
tree2dd35e249f511f57d6571e7c3572c1fc0267b4de /src/soc/intel/alderlake/graphics.c
parent8541325f38c754299664b9f9320a29ee8394bb04 (diff)
soc/intel/alderlake: Hook up GMA ACPI brightness controls
Add function needed to generate ACPI backlight control SSDT, along with Kconfig values for accessing the registers. Tested by adding gfx register on system76/lemp11. Backlight controls work on Windows 10 and Linux 6.1. Change-Id: I1cc33bf0121ff44aea68a7e3615c5e58e2ab6ce2 Signed-off-by: Tim Crawford <tcrawford@system76.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/69076 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/soc/intel/alderlake/graphics.c')
-rw-r--r--src/soc/intel/alderlake/graphics.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/graphics.c b/src/soc/intel/alderlake/graphics.c
new file mode 100644
index 0000000000..f2c792c0d8
--- /dev/null
+++ b/src/soc/intel/alderlake/graphics.c
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <intelblocks/graphics.h>
+#include <soc/ramstage.h>
+
+const struct i915_gpu_controller_info *
+intel_igd_get_controller_info(const struct device *const dev)
+{
+ const struct soc_intel_alderlake_config *const chip = dev->chip_info;
+ return &chip->gfx;
+}