From: Tom St Denis <tom.stdenis@amd.com>
Date: Thu, 14 Sep 2017 08:57:26 -0400
Subject: drm/amd/amdgpu: Support VM environments in amdgpu_ttm_access_memory()
Git-commit: 97bae49c44454549e7e22ef02020decafa099f04
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1201,14 +1201,14 @@ static int amdgpu_ttm_access_memory(stru
 		}
 
 		spin_lock_irqsave(&adev->mmio_idx_lock, flags);
-		WREG32(mmMM_INDEX, ((uint32_t)aligned_pos) | 0x80000000);
-		WREG32(mmMM_INDEX_HI, aligned_pos >> 31);
+		WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)aligned_pos) | 0x80000000);
+		WREG32_NO_KIQ(mmMM_INDEX_HI, aligned_pos >> 31);
 		if (!write || mask != 0xffffffff)
-			value = RREG32(mmMM_DATA);
+			value = RREG32_NO_KIQ(mmMM_DATA);
 		if (write) {
 			value &= ~mask;
 			value |= (*(uint32_t *)buf << shift) & mask;
-			WREG32(mmMM_DATA, value);
+			WREG32_NO_KIQ(mmMM_DATA, value);
 		}
 		spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
 		if (!write) {