Am 19.05.21 um 04:28 schrieb xinhui pan:
Signed-off-by: xinhui pan <xinhui.pan@xxxxxxx>
---
drivers/gpu/drm/ttm/ttm_device.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c
index 510e3e001dab..a9772fcc8f9c 100644
--- a/drivers/gpu/drm/ttm/ttm_device.c
+++ b/drivers/gpu/drm/ttm/ttm_device.c
@@ -146,6 +146,7 @@ int ttm_device_swapout(struct ttm_device *bdev, struct ttm_operation_ctx *ctx,
uint32_t num_pages;
if (!bo->ttm ||
+ !bo->ttm->pages || !bo->ttm->pages[0] ||
This should call ttm_tt_is_populated() instead.
But apart from that it sounds like the right approach to fix this.
Thanks,
Christian.
bo->ttm->page_flags & TTM_PAGE_FLAG_SG ||
bo->ttm->page_flags & TTM_PAGE_FLAG_SWAPPED)
continue;
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