drivers/gpu/drm/mediatek/mtk_drm_gem.c · 9a67bc4aac82d18132e8a5677926f05d43e44e77 · Kirill Smelkov / linux

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drm/mediatek: Stop iterating dma addresses when sg_dma_len() == 0 · 9a67bc4a

Anand K Mistry authored Apr 20, 2020



If dma_map_sg() merges pages when creating the mapping, only the first
entries will have a valid sg_dma_address() and sg_dma_len(), followed by
entries with sg_dma_len() == 0.
Signed-off-by: Anand K Mistry <amistry@google.com>
Signed-off-by: Anand K Mistry <amistry@chromium.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

9a67bc4a

mtk_drm_gem.c 6.55 KB

Replace mtk_drm_gem.c