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| author | Alex Deucher <alexander.deucher@amd.com> | 2018-11-28 23:28:17 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-13 09:16:21 +0100 |
| commit | e8a7f59e36437c63cab485577c255126c0819c5a (patch) | |
| tree | 4e95a1781d2062dd139c47676961cc1126bda876 | |
| parent | 39bdb32876df3710825d33b5c455ec2ffa9db64e (diff) | |
| download | linux-e8a7f59e36437c63cab485577c255126c0819c5a.tar.gz linux-e8a7f59e36437c63cab485577c255126c0819c5a.tar.bz2 linux-e8a7f59e36437c63cab485577c255126c0819c5a.zip | |
drm/amdgpu/gmc8: always load MC firmware in the driver
commit b52b6738cc2d50d2a8f4d0095bcb5a86716008a5 upstream.
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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 9cf49215c2a0..1a744f964b30 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -365,7 +365,7 @@ 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. @@ -376,13 +376,6 @@ 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; |