Since (luma/chroma)_qtable is an array of unsigned char, indexing it
returns consecutive byte locations, but we are supposed to read the arrays
in four-byte words. Consequently, we should be pointing
get_unaligned_be32() at consecutive word locations instead.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Tested-by: Ezequiel Garcia <ezequiel@collabora.com>
Cc: stable@vger.kernel.org
Fixes:
00c30f42c7595f "media: rockchip vpu: remove some unused vars"
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
unsigned char *chroma_qtable)
{
u32 reg, i;
+ __be32 *luma_qtable_p;
+ __be32 *chroma_qtable_p;
+
+ luma_qtable_p = (__be32 *)luma_qtable;
+ chroma_qtable_p = (__be32 *)chroma_qtable;
for (i = 0; i < H1_JPEG_QUANT_TABLE_COUNT; i++) {
- reg = get_unaligned_be32(&luma_qtable[i]);
+ reg = get_unaligned_be32(&luma_qtable_p[i]);
vepu_write_relaxed(vpu, reg, H1_REG_JPEG_LUMA_QUAT(i));
- reg = get_unaligned_be32(&chroma_qtable[i]);
+ reg = get_unaligned_be32(&chroma_qtable_p[i]);
vepu_write_relaxed(vpu, reg, H1_REG_JPEG_CHROMA_QUAT(i));
}
}
unsigned char *chroma_qtable)
{
u32 reg, i;
+ __be32 *luma_qtable_p;
+ __be32 *chroma_qtable_p;
+
+ luma_qtable_p = (__be32 *)luma_qtable;
+ chroma_qtable_p = (__be32 *)chroma_qtable;
for (i = 0; i < VEPU_JPEG_QUANT_TABLE_COUNT; i++) {
- reg = get_unaligned_be32(&luma_qtable[i]);
+ reg = get_unaligned_be32(&luma_qtable_p[i]);
vepu_write_relaxed(vpu, reg, VEPU_REG_JPEG_LUMA_QUAT(i));
- reg = get_unaligned_be32(&chroma_qtable[i]);
+ reg = get_unaligned_be32(&chroma_qtable_p[i]);
vepu_write_relaxed(vpu, reg, VEPU_REG_JPEG_CHROMA_QUAT(i));
}
}