Reviewed-by: Leo Liu <leo.liu@xxxxxxx>
On 2021-05-04 11:10 a.m., Sathishkumar S wrote:
update suspend register settings in Non-DPG mode.
Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 51a773a37a35..0c1beefa3e49 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -1119,10 +1119,10 @@ static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev)
UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_LMI_STATUS, tmp, tmp);
- /* put VCPU into reset */
- WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
- UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
- ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
+ /* stall UMC channel */
+ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2),
+ UVD_LMI_CTRL2__STALL_ARB_UMC_MASK,
+ ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
@@ -1141,6 +1141,11 @@ static int vcn_v1_0_stop_spg_mode(struct amdgpu_device *adev)
UVD_SOFT_RESET__LMI_SOFT_RESET_MASK,
~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK);
+ /* put VCPU into reset */
+ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
+ UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
+ ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
+
WREG32_SOC15(UVD, 0, mmUVD_STATUS, 0);
vcn_v1_0_enable_clock_gating(adev);
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