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From b98960548b4802edbdfd1d8ff01bb266f66c15c0 Mon Sep 17 00:00:00 2001
From: James Zhu <James.Zhu@amd.com>
Date: Wed, 3 Oct 2018 10:24:43 -0400
Subject: [PATCH 5554/5725] 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>
---
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 41 ++++++++++++++++++++++-------------
1 file changed, 26 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 6796a82..015b97f 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -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_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(VCN, 0, mmUVD_STATUS, 0);
+ WREG32_SOC15(UVD, 0, mmUVD_STATUS, 0);
vcn_v1_0_enable_clock_gating(adev);
vcn_1_0_enable_static_power_gating(adev);
--
2.7.4
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