From d7ef450d88e67f4aa47c40dc746500693c3ccfb0 Mon Sep 17 00:00:00 2001 From: Matt DeVillier Date: Tue, 21 Apr 2020 01:23:10 -0500 Subject: soc/intel/apollolake: Hook up GMA ACPI brightness controls MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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(). Add Kconfig entries to set the correct register offsets for backlight frequency and duty cycle. Change-Id: Ia62a88b58e7efd90f550000fc5b2cef0cb5fade7 Signed-off-by: Matt DeVillier Reviewed-on: https://review.coreboot.org/c/coreboot/+/40593 Reviewed-by: Angel Pons Reviewed-by: Michael Niewöhner Reviewed-by: Nico Huber Tested-by: build bot (Jenkins) --- src/soc/intel/apollolake/graphics.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/soc/intel/apollolake/graphics.c') diff --git a/src/soc/intel/apollolake/graphics.c b/src/soc/intel/apollolake/graphics.c index c24ccdfee2..257222fdee 100644 --- a/src/soc/intel/apollolake/graphics.c +++ b/src/soc/intel/apollolake/graphics.c @@ -74,3 +74,10 @@ void graphics_soc_panel_init(struct device *const dev) for (i = 0; i < ARRAY_SIZE(conf->panel_cfg); ++i) graphics_configure_backlight(&conf->panel_cfg[i], mmio, i); } + +const struct i915_gpu_controller_info * +intel_igd_get_controller_info(const struct device *device) +{ + struct soc_intel_apollolake_config *chip = device->chip_info; + return &chip->gfx; +} -- cgit v1.2.3