On i.MX6, sometimes after decoding a stream, encoding will produce macroblock errors caused by missing 8-byte sequences in the output stream. Until the cause for this is found, reset the hardware after sequence end, which seems to help. Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> --- drivers/media/platform/coda/coda-bit.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c index 25910cc..bcb9911 100644 --- a/drivers/media/platform/coda/coda-bit.c +++ b/drivers/media/platform/coda/coda-bit.c @@ -1347,6 +1347,14 @@ static void coda_seq_end_work(struct work_struct *work) "CODA_COMMAND_SEQ_END failed\n"); } + /* + * FIXME: Sometimes h.264 encoding fails with 8-byte sequences missing + * from the output stream after the h.264 decoder has run. Resetting the + * hardware after the decoder has finished seems to help. + */ + if (dev->devtype->product == CODA_960) + coda_hw_reset(ctx); + kfifo_init(&ctx->bitstream_fifo, ctx->bitstream.vaddr, ctx->bitstream.size); -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
