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| author | James Zhu <James.Zhu@amd.com> | 2018-10-04 16:09:33 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-10-12 12:54:55 -0500 |
| commit | fe146873f545f28b6c53e1d2405fc6816d5301ea (patch) | |
| tree | 4ce030d19e74bc36a7fdf291059338243208b7d7 /drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | |
| parent | 368d0dd81a506365f0c899cef731889ee712cae6 (diff) | |
| download | linux-fe146873f545f28b6c53e1d2405fc6816d5301ea.tar.gz linux-fe146873f545f28b6c53e1d2405fc6816d5301ea.tar.bz2 linux-fe146873f545f28b6c53e1d2405fc6816d5301ea.zip | |
drm/amdgpu/vcn:Remove DPG mode unused steps during vcn start
Remove Dynamic Power Gate mode unused steps during VCN start
Signed-off-by: James Zhu <James.Zhu@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Acked-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_v1_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 28 |
1 files changed, 1 insertions, 27 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index afc7a1d27e3a..5740cca49f21 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -981,22 +981,6 @@ static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev) WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MASTINT_EN, 0, UVD_MASTINT_EN__VCPU_EN_MASK, 0); - /* stall UMC and register bus before resetting VCPU */ - WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL2, - UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 0); - - /* put LMI, VCPU, RBC etc... into reset */ - WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SOFT_RESET, - UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | - UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | - UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | - UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | - UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | - UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | - UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | - UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK, - 0xFFFFFFFF, 0); - /* initialize VCN memory controller */ WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL, (8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) | @@ -1039,14 +1023,6 @@ static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev) WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_REG_XX_MASK, 0x10, 0xFFFFFFFF, 0); WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK, 0x3, 0xFFFFFFFF, 0); - /* take all subblocks out of reset, except VCPU */ - WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_SOFT_RESET, - UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 0xFFFFFFFF, 0); - - /* enable VCPU clock */ - WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_VCPU_CNTL, - UVD_VCPU_CNTL__CLK_EN_MASK, 0xFFFFFFFF, 0); - /* enable UMC */ WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_LMI_CTRL2, 0, UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 0); @@ -1056,8 +1032,7 @@ static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev) /* enable master interrupt */ WREG32_SOC15_DPG_MODE(UVD, 0, mmUVD_MASTINT_EN, - (UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK), - (UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK), 0); + UVD_MASTINT_EN__VCPU_EN_MASK, UVD_MASTINT_EN__VCPU_EN_MASK, 0); vcn_v1_0_clock_gating_dpg_mode(adev, 1); /* setup mmUVD_LMI_CTRL */ @@ -1085,7 +1060,6 @@ static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev) tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); - tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0); tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp); |