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Commit 38109efa authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
Browse files

drm/amd/powerplay: get system info by cgs interface. 



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 2fef37c6

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

+20 −4
Original line number Diff line number Diff line
@@ -3119,11 +3119,27 @@ int polaris10_patch_voltage_workaround(struct pp_hwmgr *hwmgr) 
	struct phm_ppt_v1_voltage_lookup_table *lookup_table =

			table_info->vddc_lookup_table;

	uint32_t i;

	uint32_t hw_revision, sub_vendor_id, sub_sys_id;

	struct cgs_system_info sys_info = {0};



	sys_info.size = sizeof(struct cgs_system_info);



	sys_info.info_id = CGS_SYSTEM_INFO_PCIE_REV;

	cgs_query_system_info(hwmgr->device, &sys_info);

	hw_revision = (uint32_t)sys_info.value;



	sys_info.info_id = CGS_SYSTEM_INFO_PCIE_SUB_SYS_ID;

	cgs_query_system_info(hwmgr->device, &sys_info);

	sub_sys_id = (uint32_t)sys_info.value;



	sys_info.info_id = CGS_SYSTEM_INFO_PCIE_SUB_SYS_VENDOR_ID;

	cgs_query_system_info(hwmgr->device, &sys_info);

	sub_vendor_id = (uint32_t)sys_info.value;



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

			((sub_sys_id == 0xb37 && sub_vendor_id == 0x1002) ||

		    (sub_sys_id == 0x4a8 && sub_vendor_id == 0x1043) ||

		    (sub_sys_id == 0x9480 && sub_vendor_id == 0x1682))) {

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

			return 0;