Update the comment to explain why we do this.
Signed-off-by: Alex Deucher <[email protected]>
---
drivers/gpu/drm/radeon/radeon_device.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_device.c
b/drivers/gpu/drm/radeon/radeon_device.c
index eb92aef4..79c9b6f 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1651,7 +1651,10 @@ int radeon_suspend_kms(struct drm_device *dev, bool
suspend,
radeon_suspend(rdev);
radeon_hpd_fini(rdev);
- /* evict remaining vram memory */
+ /* evict remaining vram memory
+ * This second call to evict vram is to evict the gart page table
+ * using the CPU.
+ */
radeon_bo_evict_vram(rdev);
radeon_agp_suspend(rdev);
--
2.5.5
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