Update the comment to explain why we do this.
Signed-off-by: Alex Deucher <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index bfca676..b88a3b7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1958,7 +1958,10 @@ int amdgpu_device_suspend(struct drm_device *dev, bool
suspend, bool fbcon)
r = amdgpu_suspend(adev);
- /* evict remaining vram memory */
+ /* evict remaining vram memory
+ * This second call to evict vram is to evict the gart page table
+ * using the CPU.
+ */
amdgpu_bo_evict_vram(adev);
pci_save_state(dev->pdev);
--
2.5.5
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