media: chips-media: wave5: Add timeout while stop_streaming

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When stop_streaming is called, an infinite loop may occur in some cases.
Add a bounded poll of the queue status: loop until the queues drain,
sleeping briefly between polls, and bail out once VPU_DEC_STOP_TIMEOUT
elapses.

Fixes: 9707a6254a ("media: chips-media: wave5: Add the v4l2 layer")
Cc: stable@vger.kernel.org
Signed-off-by: Jackson Lee <jackson.lee@chipsnmedia.com>
Signed-off-by: Nas Chung <nas.chung@chipsnmedia.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>

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Jackson Lee 2026-06-26 10:22:29 +09:00 • committed by Hans Verkuil

parent 8c5a74a24c

commit 2ae7faed2e

2 changed files with 10 additions and 7 deletions

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15

drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c

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2

drivers/media/platform/chips-media/wave5/wave5-vpuconfig.h

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