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mb/google/geralt: Add mtcmos bus protection for display 

Enable bus protection for display to avoid bus hang and incomplete bus
transaction.

BUG=b:264204465
TEST=test firmware and kernel display pass for MIPI panel on geralt.

Change-Id: Iac61a69f2b84966dd468442daaa59d83eec775aa
Signed-off-by: Liju-Clr Chen <liju-clr.chen@mediatek.com>
Signed-off-by: jason-ch chen <Jason-ch.Chen@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73411
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: Yidi Lin <yidilin@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Liju-Clr Chen 2023-03-02 15:47:15 +08:00 committed by Martin L Roth
parent c7b16bebbc
commit bc1fde310e
1 changed files with 1 additions and 0 deletions
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1
src/mainboard/google/geralt/display.c
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@ -27,6 +27,7 @@ int configure_display(void)
printk(BIOS_INFO, "%s: Starting display initialization\n", __func__);
mtcmos_display_power_on();
mtcmos_protect_display_bus();
panel->configure_panel_backlight();
panel->power_on();