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authorJames Zhu <James.Zhu@amd.com>2018-10-04 16:09:33 -0400
committerAlex Deucher <alexander.deucher@amd.com>2018-10-12 12:54:55 -0500
commitfe146873f545f28b6c53e1d2405fc6816d5301ea (patch)
tree4ce030d19e74bc36a7fdf291059338243208b7d7 /drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
parent368d0dd81a506365f0c899cef731889ee712cae6 (diff)
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.c28
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);