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drm/amdgpu/sriov: Need to initialize the HDP_NONSURFACE_BAStE
it requires to initialize HDP_NONSURFACE_BASE, so as to avoid using the value left by a previous VM under sriov scenario. v2: it should not hurt baremetal, generalize it for both sriov and baremetal Signed-off-by: Emily Deng <Emily.Deng@amd.com> Signed-off-by: Tiecheng Zhou <Tiecheng.Zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -1181,6 +1181,9 @@ static int gmc_v9_0_gart_enable(struct amdgpu_device *adev)
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tmp = RREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL);
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WREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL, tmp);
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WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8));
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WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE_HI, (adev->gmc.vram_start >> 40));
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/* After HDP is initialized, flush HDP.*/
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adev->nbio_funcs->hdp_flush(adev, NULL);
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