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Subject: media: rkvdec: Disable H.264 error detection Author: Nicolas Dufresne <[email protected]> Date: Fri Jun 10 13:52:11 2022 +0100 Quite often, the HW get stuck in error condition if a stream error was detected. As documented, the HW should stop immediately and self reset. There is likely a problem or a miss-understanding of the self reset mechanism, as unless we make a long pause, the next command will then report an error even if there is no error in it. Disabling error detection fixes the issue, and let the decoder continue after an error. This patch is safe for backport into older kernels. Fixes: cd33c830448b ("media: rkvdec: Add the rkvdec driver") Signed-off-by: Nicolas Dufresne <[email protected]> Reviewed-by: Brian Norris <[email protected]> Tested-by: Brian Norris <[email protected]> Reviewed-by: Ezequiel Garcia <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/staging/media/rkvdec/rkvdec-h264.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- diff --git a/drivers/staging/media/rkvdec/rkvdec-h264.c b/drivers/staging/media/rkvdec/rkvdec-h264.c index 2992fb87cf72..55596ce6bb6e 100644 --- a/drivers/staging/media/rkvdec/rkvdec-h264.c +++ b/drivers/staging/media/rkvdec/rkvdec-h264.c @@ -1175,8 +1175,8 @@ static int rkvdec_h264_run(struct rkvdec_ctx *ctx) schedule_delayed_work(&rkvdec->watchdog_work, msecs_to_jiffies(2000)); - writel(0xffffffff, rkvdec->regs + RKVDEC_REG_STRMD_ERR_EN); - writel(0xffffffff, rkvdec->regs + RKVDEC_REG_H264_ERR_E); + writel(0, rkvdec->regs + RKVDEC_REG_STRMD_ERR_EN); + writel(0, rkvdec->regs + RKVDEC_REG_H264_ERR_E); writel(1, rkvdec->regs + RKVDEC_REG_PREF_LUMA_CACHE_COMMAND); writel(1, rkvdec->regs + RKVDEC_REG_PREF_CHR_CACHE_COMMAND); _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
