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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index a81743d06bb0..a43d096ebb52 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -622,7 +622,10 @@ void amdgpu_gart_location(struct amdgpu_device *adev, struct amdgpu_mc *mc)
dev_warn(adev->dev, "limiting GTT\n");
mc->gart_size = size_af;
}
- mc->gart_start = mc->vram_end + 1;
+ /* VCE doesn't like it when BOs cross a 4GB segment, so align
+ * the GART base on a 4GB boundary as well.
+ */
+ mc->gart_start = ALIGN(mc->vram_end + 1, 0x100000000ULL);
}
mc->gart_end = mc->gart_start + mc->gart_size - 1;
dev_info(adev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n",
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