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media: coda: jpeg: explicitly disable thumbnails in SEQ_INIT

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Explicitly clear DEC_SEQ_JPG_THUMB_EN during sequence initialization.
Not clearing the register does not cause problems, since the only other
codec (MPEG-4 decode) that writes to this register happens to always
write 0 as well.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Philipp Zabel 2018-06-29 08:46:48 -04:00 committed by Mauro Carvalho Chehab
parent 86b30a671b
commit 2b84e2a009
2 changed files with 3 additions and 0 deletions
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2
drivers/media/platform/coda/coda-bit.c
View File

@ -1679,6 +1679,8 @@ static int __coda_start_decoding(struct coda_ctx *ctx)
coda_write(dev, 512, CODA_CMD_DEC_SEQ_SPP_CHUNK_SIZE);
}
}
if (src_fourcc == V4L2_PIX_FMT_JPEG)
coda_write(dev, 0, CODA_CMD_DEC_SEQ_JPG_THUMB_EN);
if (dev->devtype->product != CODA_960)
coda_write(dev, 0, CODA_CMD_DEC_SEQ_SRC_SIZE);

1
drivers/media/platform/coda/coda_regs.h
View File

@ -157,6 +157,7 @@
#define CODA_CMD_DEC_SEQ_START_BYTE 0x190
#define CODA_CMD_DEC_SEQ_PS_BB_START 0x194
#define CODA_CMD_DEC_SEQ_PS_BB_SIZE 0x198
#define CODA_CMD_DEC_SEQ_JPG_THUMB_EN 0x19c
#define CODA_CMD_DEC_SEQ_MP4_ASP_CLASS 0x19c
#define CODA_MP4_CLASS_MPEG4 0
#define CODA_CMD_DEC_SEQ_X264_MV_EN 0x19c