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From 01d34bf61deb1451e438cd7f4424369d325f9ed4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Mon, 16 Oct 2017 17:37:06 +0200
Subject: [PATCH 2058/4131] drm/amdgpu: don't flush the TLB before initializing
GART
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
No point in doing this.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index f437008..fe81850 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -332,12 +332,13 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
adev->gart.pages[p] = pagelist[i];
#endif
- if (adev->gart.ptr) {
- r = amdgpu_gart_map(adev, offset, pages, dma_addr, flags,
- adev->gart.ptr);
- if (r)
- return r;
- }
+ if (!adev->gart.ptr)
+ return 0;
+
+ r = amdgpu_gart_map(adev, offset, pages, dma_addr, flags,
+ adev->gart.ptr);
+ if (r)
+ return r;
mb();
amdgpu_gart_flush_gpu_tlb(adev, 0);
--
2.7.4
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