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| author |   Philipp Zabel <p.zabel@pengutronix.de> | 2019-04-08 08:32:49 -0400 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-04-22 11:53:25 -0400 |
| commit | bbeefa7357a648afe70e7183914c87c3878d528d (patch) | |
| tree | 0dd1c846e9135707413c6796f9c059e365595035 /drivers/media | |
| parent | media: coda: remove mask from decoder h.264 level control (diff) | |
| download | linux-dev-bbeefa7357a648afe70e7183914c87c3878d528d.tar.xz linux-dev-bbeefa7357a648afe70e7183914c87c3878d528d.zip | |
media: coda: clear error return value before picture run
The error return value is not written by some firmware codecs, such as
MPEG-2 decode on CodaHx4. Clear the error return value before starting
the picture run to avoid misinterpreting unrelated values returned by
sequence initialization as error return value.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/coda/coda-bit.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c index b4f396c2e72c..eaa86737fa04 100644 --- a/drivers/media/platform/coda/coda-bit.c +++ b/drivers/media/platform/coda/coda-bit.c @@ -2010,6 +2010,9 @@ static int coda_prepare_decode(struct coda_ctx *ctx) /* Clear decode success flag */ coda_write(dev, 0, CODA_RET_DEC_PIC_SUCCESS); + /* Clear error return value */ + coda_write(dev, 0, CODA_RET_DEC_PIC_ERR_MB); + trace_coda_dec_pic_run(ctx, meta); coda_command_async(ctx, CODA_COMMAND_PIC_RUN); |