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| author | Leo Liu <leo.liu@amd.com> | 2020-01-28 12:21:52 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-07-01 01:59:10 -0400 |
| commit | d6b0185b8dc738b13f2edb216c0a08f947cd33ca (patch) | |
| tree | c1a254293fcf5bb352af577476670495654914db /drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | |
| parent | 07d8e891ffcd71cbea4a6436eac975aa572f3de9 (diff) | |
| download | lwn-d6b0185b8dc738b13f2edb216c0a08f947cd33ca.tar.gz lwn-d6b0185b8dc738b13f2edb216c0a08f947cd33ca.zip | |
drm/amdgpu: set the LMI ctrl and reset earlier
So the LMI register will be programmed properly
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c index dddae2b8f0f9..517484292303 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c @@ -712,6 +712,15 @@ static int vcn_v3_0_start(struct amdgpu_device *adev) WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0, ~UVD_MASTINT_EN__VCPU_EN_MASK); + /* enable LMI MC and UMC channels */ + WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0, + ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); + + tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET); + tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK; + tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK; + WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp); + /* setup mmUVD_LMI_CTRL */ tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL); WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp | @@ -752,15 +761,6 @@ static int vcn_v3_0_start(struct amdgpu_device *adev) WREG32_SOC15(VCN, i, mmUVD_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config); - /* enable LMI MC and UMC channels */ - WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0, - ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); - - tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET); - tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK; - tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK; - WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp); - /* unblock VCPU register access */ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0, ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK); |