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| author | Benjamin Gaignard <benjamin.gaignard@collabora.com> | 2026-01-14 12:07:10 +0300 |
|---|---|---|
| committer | Hans Verkuil <hverkuil+cisco@kernel.org> | 2026-01-21 16:43:09 +0300 |
| commit | a505ca2db89ad92a8d8d27fa68ebafb12e04a679 (patch) | |
| tree | 1d0e8453290e66f5b8d2474fffd1f5e06faa086f | |
| parent | 355a110040665e439af126e8ec9c3968e73f163c (diff) | |
| download | linux-a505ca2db89ad92a8d8d27fa68ebafb12e04a679.tar.xz | |
media: verisilicon: AV1: Fix tile info buffer size
Each tile info is composed of: row_sb, col_sb, start_pos
and end_pos (4 bytes each). So the total required memory
is AV1_MAX_TILES * 16 bytes.
Use the correct #define to allocate the buffer and avoid
writing tile info in non-allocated memory.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Fixes: 727a400686a2c ("media: verisilicon: Add Rockchip AV1 decoder")
Cc: stable@vger.kernel.org
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
| -rw-r--r-- | drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c b/drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c index 500e94bcb029..e4e21ad37323 100644 --- a/drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c +++ b/drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c @@ -381,12 +381,12 @@ int rockchip_vpu981_av1_dec_init(struct hantro_ctx *ctx) return -ENOMEM; av1_dec->global_model.size = GLOBAL_MODEL_SIZE; - av1_dec->tile_info.cpu = dma_alloc_coherent(vpu->dev, AV1_MAX_TILES, + av1_dec->tile_info.cpu = dma_alloc_coherent(vpu->dev, AV1_TILE_INFO_SIZE, &av1_dec->tile_info.dma, GFP_KERNEL); if (!av1_dec->tile_info.cpu) return -ENOMEM; - av1_dec->tile_info.size = AV1_MAX_TILES; + av1_dec->tile_info.size = AV1_TILE_INFO_SIZE; av1_dec->film_grain.cpu = dma_alloc_coherent(vpu->dev, ALIGN(sizeof(struct rockchip_av1_film_grain), 2048), |