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authorAlex Deucher <alexander.deucher@amd.com>2018-11-28 23:28:17 -0500
committerAlex Deucher <alexander.deucher@amd.com>2018-12-03 11:40:14 -0500
commitb52b6738cc2d50d2a8f4d0095bcb5a86716008a5 (patch)
treeb93a6a4a7d3edc83610f4a2a19ae7085fb23d5ab /drivers
parentdrm/amdgpu/gmc8: update MC firmware for polaris (diff)
downloadlinux-dev-b52b6738cc2d50d2a8f4d0095bcb5a86716008a5.tar.xz
linux-dev-b52b6738cc2d50d2a8f4d0095bcb5a86716008a5.zip
drm/amdgpu/gmc8: always load MC firmware in the driver
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
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c9
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 8dd9bae9e2da..747c068379dc 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -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;