diff options
| author | James Zhu <James.Zhu@amd.com> | 2018-10-09 16:57:26 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-10-12 12:55:44 -0500 |
| commit | 3d904ee4c30e5a91bdad363624f46bf484fd604a (patch) | |
| tree | 915e3f710fc1722925df0e2f0d923b5202775e08 /drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | |
| parent | ad7187bfe130ddd51128e1f7068fbc930c9eccf4 (diff) | |
drm/amdgpu/vcn:Apply new UMC enable for VNC DPG mode
Apply new UMC enable for VNC Dynamic Power Gate mode
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 | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index 93e2a408a59a..153f23acf8dd 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -829,13 +829,18 @@ static int vcn_v1_0_start_spg_mode(struct amdgpu_device *adev) /* enable VCPU clock */ WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL, UVD_VCPU_CNTL__CLK_EN_MASK); + /* boot up the VCPU */ + WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0, + ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); + /* enable UMC */ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0, ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); - /* boot up the VCPU */ - WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, 0); - mdelay(10); + tmp = RREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET); + tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK; + tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK; + WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, tmp); for (i = 0; i < 10; ++i) { uint32_t status; |