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mb/google/zork: set APU_EDP_BL_DISABLE to low as default 

set APU_EDP_BL_DISABLE(GPIO_85) to low to avoid the VARY_BL fast than
APU_DP_BLON.

BUG=b:171954512
BRANCH=zork
TEST=validate the panel sequence with scope.

Signed-off-by: Chris Wang <chris.wang@amd.corp-partner.google.com>
Change-Id: Ia6d3f4335583bb2d91a6bce96d89cff84247d0ad
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48203
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kangheui Won <khwon@chromium.org>
This commit is contained in:
Chris Wang 2020-12-01 17:14:17 +08:00 committed by Patrick Georgi
parent 86a241e90c
commit ad481c475f
2 changed files with 4 additions and 4 deletions
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4
src/mainboard/google/zork/variants/baseboard/gpio_baseboard_dalboz.c
View File

@ -95,8 +95,8 @@ static const struct soc_amd_gpio gpio_set_stage_ram[] = {
/* GPIO_77 - GPIO_83: Not available */
/* HP_INT_ODL */
PAD_GPI(GPIO_84, PULL_NONE),
/* APU_EDP_BL_DISABLE TODP: Set low in depthcharge */
PAD_GPO(GPIO_85, HIGH),
/* APU_EDP_BL_DISABLE */
PAD_GPO(GPIO_85, LOW),
/* RAM ID 2 - Keep High */
PAD_GPO(GPIO_86, HIGH),
/* EMMC_DATA7 */

4
src/mainboard/google/zork/variants/baseboard/gpio_baseboard_trembyle.c
View File

@ -99,8 +99,8 @@ static const struct soc_amd_gpio gpio_set_stage_ram[] = {
/* GPIO_77 - GPIO_83: Not available */
/* RAM_ID_4 */
PAD_GPI(GPIO_84, PULL_NONE),
/* APU_EDP_BL_DISABLE TODP: Set low in depthcharge */
PAD_GPO(GPIO_85, HIGH),
/* APU_EDP_BL_DISABLE */
PAD_GPO(GPIO_85, LOW),
/* WIFI_AUX_RESET_L */
PAD_GPO(GPIO_86, HIGH),
/* EMMC_DATA7 */