From f49e9bac191b066060a53d994f9c964fb71454f2 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Tue, 19 Dec 2017 14:08:54 +0800
Subject: [PATCH] drm/amd/pp: Get and save Rv smu version
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>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 3 +++
drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c | 8 ++++++++
2 files changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 85d2149b9dbee..13607e28c1c91 100644
--- 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(struct cgs_device *cgs_device,
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;
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c
index b98ade676d128..2d662b44af54b 100644
--- 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 *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))
--
2.30.2