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mb/google/guybrush/guybrush: Add variant to disable HDMI 

For one specific type of APU, it doesn't have HDMI. When we detect
this APU, we need to explicitly disable HDMI in DDI settings,
otherwise the system would freeze.

Please refer
 src/mainboard/google/guybrush/variants/dewatt/variant.c

BUG=b:215432928

Change-Id: I93fca8cf9870533da1bcca5fa28ff22085e65beb
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61314
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This commit is contained in:
Zheng Bao 2022-01-22 12:25:41 +08:00 committed by Felix Held
parent 5561468eeb
commit ce7ec14f36
1 changed files with 7 additions and 0 deletions
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7
src/mainboard/google/guybrush/variants/guybrush/variant.c
View File

@ -4,6 +4,7 @@
#include <boardid.h> #include <boardid.h>
#include <device/device.h> #include <device/device.h>
#include <soc/gpio.h> #include <soc/gpio.h>
#include <amdblocks/cpu.h>
bool variant_has_pcie_wwan(void) bool variant_has_pcie_wwan(void)
{ {
@ -14,3 +15,9 @@ uint8_t variant_sd_aux_reset_gpio(void)
{ {
return board_id() == 1 ? GPIO_70 : GPIO_69; return board_id() == 1 ? GPIO_70 : GPIO_69;
} }
void variant_update_ddi_descriptors(fsp_ddi_descriptor *ddi_descriptors)
{
if ((get_cpu_count() == 4 && get_threads_per_core() == 2) || get_cpu_count() == 2)
ddi_descriptors[1].connector_type = DDI_UNUSED_TYPE;
}