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>
This commit is contained in:
James Zhu 2018-10-03 10:24:43 -04:00 коммит произвёл Alex Deucher
Родитель 5327f025dc
Коммит 5866fb929c
1 изменённых файлов: 26 добавлений и 15 удалений

Просмотреть файл

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