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drm/amdgpu/gmc8: always load MC firmware in the driver

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Some power features rely on the driver loaded version so always
load the MC firmware from the driver even if the vbios loaded
a version already.

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2018-11-28 23:28:17 -05:00
parent a81a7c9c9e
commit b52b6738cc
1 changed files with 1 additions and 8 deletions
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9
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
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@ -366,7 +366,7 @@ static int gmc_v8_0_polaris_mc_load_microcode(struct amdgpu_device *adev)
const struct mc_firmware_header_v1_0 *hdr;
const __le32 *fw_data = NULL;
const __le32 *io_mc_regs = NULL;
u32 data, vbios_version;
u32 data;
int i, ucode_size, regs_size;
/* Skip MC ucode loading on SR-IOV capable boards.
@ -377,13 +377,6 @@ static int gmc_v8_0_polaris_mc_load_microcode(struct amdgpu_device *adev)
if (amdgpu_sriov_bios(adev))
return 0;
WREG32(mmMC_SEQ_IO_DEBUG_INDEX, 0x9F);
data = RREG32(mmMC_SEQ_IO_DEBUG_DATA);
vbios_version = data & 0xf;
if (vbios_version == 0)
return 0;
if (!adev->gmc.fw)
return -EINVAL;