drm/amdgpu/vcn:Update latest spg mode stop for VCN
Update latest static power gate mode stop function for VCN 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>
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@ -1123,28 +1123,39 @@ static int vcn_v1_0_start(struct amdgpu_device *adev)
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*/
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static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev)
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{
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/* force RBC into idle state */
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WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, 0x11010101);
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int ret_code, tmp;
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/* Stall UMC and register bus before resetting VCPU */
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WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2),
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UVD_LMI_CTRL2__STALL_ARB_UMC_MASK,
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~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
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mdelay(1);
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SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7, ret_code);
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tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
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UVD_LMI_STATUS__READ_CLEAN_MASK |
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UVD_LMI_STATUS__WRITE_CLEAN_MASK |
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UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
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SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp, ret_code);
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/* put VCPU into reset */
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WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET,
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UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
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mdelay(5);
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WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
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UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
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~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
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tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
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UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
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SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp, ret_code);
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/* disable VCPU clock */
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WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL, 0x0);
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WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
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~UVD_VCPU_CNTL__CLK_EN_MASK);
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/* Unstall UMC and register bus */
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WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
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~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
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/* reset LMI UMC/LMI */
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WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
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UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK,
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~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
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WREG32_SOC15(VCN, 0, mmUVD_STATUS, 0);
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WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
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UVD_SOFT_RESET__LMI_SOFT_RESET_MASK,
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~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK);
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WREG32_SOC15(UVD, 0, mmUVD_STATUS, 0);
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vcn_v1_0_enable_clock_gating(adev);
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vcn_1_0_enable_static_power_gating(adev);
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