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Commit 6391b6ab authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
Browse files

drm/amd/powrplay: workaround Memory EDC Error for certain partner boards. 



Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 5765a36d

drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c

+2 −0
Original line number Diff line number Diff line
@@ -77,6 +77,8 @@ int hwmgr_init(struct amd_pp_init *pp_init, struct pp_instance *handle) 
	hwmgr->chip_family = pp_init->chip_family;

	hwmgr->chip_id = pp_init->chip_id;

	hwmgr->hw_revision = pp_init->rev_id;

	hwmgr->sub_sys_id = pp_init->sub_sys_id;

	hwmgr->sub_vendor_id = pp_init->sub_vendor_id;

	hwmgr->usec_timeout = AMD_MAX_USEC_TIMEOUT;

	hwmgr->power_source = PP_PowerSource_AC;

drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c

+4 −1
Original line number Diff line number Diff line
@@ -3133,7 +3133,10 @@ int polaris10_patch_voltage_workaround(struct pp_hwmgr *hwmgr) 
			table_info->vddc_lookup_table;

	uint32_t i;



	if (hwmgr->chip_id == CHIP_POLARIS10 && hwmgr->hw_revision == 0xC7) {

	if (hwmgr->chip_id == CHIP_POLARIS10 && hwmgr->hw_revision == 0xC7 &&

			((hwmgr->sub_sys_id == 0xb37 && hwmgr->sub_vendor_id == 0x1002) ||

		    (hwmgr->sub_sys_id == 0x4a8 && hwmgr->sub_vendor_id == 0x1043) ||

		    (hwmgr->sub_sys_id == 0x9480 && hwmgr->sub_vendor_id == 0x1682))) {

		if (lookup_table->entries[dep_mclk_table->entries[dep_mclk_table->count-1].vddInd].us_vdd >= 1000)

			return 0;