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path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0954-drm-amd-amdgpu-Change-vram-debugfs-to-NO_KIQ-for-VM-.patch
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From d43d300957a14ef468197c515f53c667957187c3 Mon Sep 17 00:00:00 2001
From: Tom St Denis <tom.stdenis@amd.com>
Date: Wed, 13 Sep 2017 12:35:15 -0400
Subject: [PATCH 0954/4131] drm/amd/amdgpu: Change vram debugfs to NO_KIQ for
 VM environments

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 04bc526..5427cac 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1933,9 +1933,9 @@ static ssize_t amdgpu_ttm_vram_read(struct file *f, char __user *buf,
 			return result;
 
 		spin_lock_irqsave(&adev->mmio_idx_lock, flags);
-		WREG32(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000);
-		WREG32(mmMM_INDEX_HI, *pos >> 31);
-		value = RREG32(mmMM_DATA);
+		WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000);
+		WREG32_NO_KIQ(mmMM_INDEX_HI, *pos >> 31);
+		value = RREG32_NO_KIQ(mmMM_DATA);
 		spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
 
 		r = put_user(value, (uint32_t *)buf);
@@ -1976,9 +1976,9 @@ static ssize_t amdgpu_ttm_vram_write(struct file *f, const char __user *buf,
 			return r;
 
 		spin_lock_irqsave(&adev->mmio_idx_lock, flags);
-		WREG32(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000);
-		WREG32(mmMM_INDEX_HI, *pos >> 31);
-		WREG32(mmMM_DATA, value);
+		WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000);
+		WREG32_NO_KIQ(mmMM_INDEX_HI, *pos >> 31);
+		WREG32_NO_KIQ(mmMM_DATA, value);
 		spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
 
 		result += 4;
-- 
2.7.4