Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
________________________________
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Rex Zhu <Rex.Zhu at amd.com>
Sent: Thursday, December 21, 2017 5:41:36 AM
To: amd-gfx at lists.freedesktop.org
Cc: Zhu, Rex
Subject: [PATCH] drm/amd/pp: Get and save CZ/ST 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.
Change-Id: Ifce41405c0369610985881cea26e14b0525e4d25
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 2 ++
drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c | 13 +++++++++++++
2 files changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 13607e2..4466f35 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -801,6 +801,8 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
else
strcpy(fw_name, "amdgpu/vega10_smc.bin");
break;
+ case CHIP_CARRIZO:
+ case CHIP_STONEY:
case CHIP_RAVEN:
adev->pm.fw_version = info->version;
return 0;
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
index 78ab055..4d3aff3 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
@@ -709,6 +709,19 @@ static int cz_start_smu(struct pp_hwmgr *hwmgr)
{
int ret = 0;
uint32_t fw_to_check = 0;
+ struct cgs_firmware_info info = {0};
+ uint32_t index = SMN_MP1_SRAM_START_ADDR +
+ SMU8_FIRMWARE_HEADER_LOCATION +
+ offsetof(struct SMU8_Firmware_Header, Version);
+
+
+ if (hwmgr == NULL || hwmgr->device == NULL)
+ return -EINVAL;
+
+ cgs_write_register(hwmgr->device, mmMP0PUB_IND_INDEX, index);
+ hwmgr->smu_version = cgs_read_register(hwmgr->device, mmMP0PUB_IND_DATA);
+ info.version = hwmgr->smu_version >> 8;
+ cgs_get_firmware_info(hwmgr->device, CGS_UCODE_ID_SMU, &info);
fw_to_check = UCODE_ID_RLC_G_MASK |
UCODE_ID_SDMA0_MASK |
--
1.9.1
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