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authorJames Zhu <James.Zhu@amd.com>2018-10-09 22:57:26 +0200
committerAlex Deucher <alexander.deucher@amd.com>2018-10-12 19:55:44 +0200
commit3d904ee4c30e5a91bdad363624f46bf484fd604a (patch)
tree915e3f710fc1722925df0e2f0d923b5202775e08 /drivers
parentdrm/amdgpu/vcn:Remove SPG mode unused steps during vcn start (diff)
downloadlinux-3d904ee4c30e5a91bdad363624f46bf484fd604a.tar.xz
linux-3d904ee4c30e5a91bdad363624f46bf484fd604a.zip
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')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c11
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;