From: Rex Zhu <Rex.Zhu@amd.com>
Date: Tue, 19 Dec 2017 14:08:54 +0800
Subject: drm/amd/pp: Get and save Rv smu version
Git-commit: f49e9bac191b066060a53d994f9c964fb71454f2
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

The smu firmware is loaded by the sbios on APUs, so query it
from the smu and save the smu fw version info that is reported
to userspace.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c          |    3 +++
 drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c |    8 ++++++++
 2 files changed, 11 insertions(+)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -801,6 +801,9 @@ static int amdgpu_cgs_get_firmware_info(
 				else
 					strcpy(fw_name, "amdgpu/vega10_smc.bin");
 				break;
+			case CHIP_RAVEN:
+				adev->pm.fw_version = info->version;
+				return 0;
 			default:
 				DRM_ERROR("SMC firmware not supported\n");
 				return -EINVAL;
--- a/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c
@@ -305,6 +305,14 @@ static int rv_smu_fini(struct pp_hwmgr *
 
 static int rv_start_smu(struct pp_hwmgr *hwmgr)
 {
+	struct cgs_firmware_info info = {0};
+
+	smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetSmuVersion);
+	rv_read_arg_from_smc(hwmgr, &hwmgr->smu_version);
+	info.version = hwmgr->smu_version >> 8;
+
+	cgs_get_firmware_info(hwmgr->device, CGS_UCODE_ID_SMU, &info);
+
 	if (rv_verify_smc_interface(hwmgr))
 		return -EINVAL;
 	if (rv_smc_enable_sdma(hwmgr))