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From 81396406741bceef3ed74a5ba3707b1783afaeb1 Mon Sep 17 00:00:00 2001
From: James Zhu <James.Zhu@amd.com>
Date: Wed, 12 Dec 2018 14:57:12 -0500
Subject: [PATCH 0950/2940] drm/amdgpu/vcn:Remove bit 31 for scratch2 to
indicate the WA is active
Remove bit 31 for scratch2 to indicate the Hardware bug work around is active.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index dde7bcdede4f..ecf6f96df2ad 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -262,7 +262,7 @@ static int amdgpu_vcn_pause_dpg_mode(struct amdgpu_device *adev,
ring = &adev->vcn.ring_dec;
WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
- RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2));
+ RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
@@ -322,7 +322,7 @@ static int amdgpu_vcn_pause_dpg_mode(struct amdgpu_device *adev,
ring = &adev->vcn.ring_dec;
WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
- RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2));
+ RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
--
2.17.1
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