Remove Dynamic Power Gate mode unused steps during VCN start Signed-off-by: James Zhu <James.Zhu@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 28 +--------------------------- 1 file changed, 1 insertion(+), 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 afc7a1d..5740cca 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); -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
