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authorMartin Roth <martinroth@chromium.org>2020-09-29 16:21:17 -0600
committerPaul Fagerburg <pfagerburg@chromium.org>2020-10-01 00:46:48 +0000
commit5ea556eeb0a18fd0eaec4d53e0abeb8e23cd6dbc (patch)
treefc45d00773794690be45eebe4f3e7edf94f85a7f
parent407b866a3eb6b0196454ee281da3823c4079c56f (diff)
mb/google/zork: Remove code that reconfigured the backlight GPIO
The SMU code was assuming that GPIO 85 was used for a fan, which caused interesting backlight flickering. That has now been fixed, so remove the code that reconfigured it to a GPIO on resume. BUG=b:155667589 TEST=Verify the screen does not flicker on resume from S3 BRANCH=Zork Signed-off-by: Martin Roth <martinroth@chromium.org> Change-Id: I6d4f9d98e9df52fefab9b20d0ab0f0b67512d356 Reviewed-on: https://review.coreboot.org/c/coreboot/+/45853 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com> Reviewed-by: Rob Barnes <robbarnes@google.com> Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
-rw-r--r--src/mainboard/google/zork/mainboard.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/src/mainboard/google/zork/mainboard.c b/src/mainboard/google/zork/mainboard.c
index 4206fdf830..f0d9a2869d 100644
--- a/src/mainboard/google/zork/mainboard.c
+++ b/src/mainboard/google/zork/mainboard.c
@@ -188,25 +188,12 @@ static void zork_enable(struct device *dev)
dev->ops->acpi_inject_dsdt = chromeos_dsdt_generator;
}
-static const struct soc_amd_gpio gpio_set_bl[] = {
- PAD_GPO(GPIO_85, LOW),
-};
-
-static void reset_backlight_gpio(void *unused)
-{
- printk(BIOS_DEBUG, "Reset backlight GPIO\n");
- /* Re-Enable backlight - GPIO 85 active low */
- /* TODO: Remove this after AGESA stops enabling the fan - b/155667589 */
- program_gpios(gpio_set_bl, ARRAY_SIZE(gpio_set_bl)); /* APU_EDP_BL_DISABLE */
-}
-
static void mainboard_final(void *chip_info)
{
struct global_nvs *gnvs;
gnvs = acpi_get_gnvs();
- reset_backlight_gpio(NULL);
if (gnvs) {
gnvs->tmps = CTL_TDP_SENSOR_ID;
@@ -231,5 +218,3 @@ __weak const struct soc_amd_gpio *variant_override_gpio_table(size_t *size)
*size = 0;
return NULL;
}
-
-BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, reset_backlight_gpio, NULL);