Re: [PATCH v2 5/7] media: chips-media: wave5: Fix not to free resources normally when instance was destroyed

[Nicolas Dufresne <nicolas.dufresne@collabora.com>]

Le jeudi 22 mai 2025 à 16:26 +0900, Jackson.lee a écrit :
> From: Jackson Lee <jackson.lee@chipsnmedia.com>
> 
> Since applying performance patch, there was a problem not to free
> resources, the root cause was that timeout sometimes happened after
> calling the wave5_vpu_dec_finish_seq() when application was closed
> forcibly,so if failure reason is WAVE5_SYSERR_VPU_STILL_RUNNING,
> the wave5_vpu_dec_get_output_info() should be called to flush videos
> decoded before closed.

Either squash, or try to bring before too.

Nicolas

> 
> Signed-off-by: Jackson Lee <jackson.lee@chipsnmedia.com>
> Signed-off-by: Nas Chung <nas.chung@chipsnmedia.com>
> ---
>  .../platform/chips-media/wave5/wave5-vpuapi.c | 20 +++++++++++++++++--
>  1 file changed, 18 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c b/drivers/media/platform/chips-media/wave5/wave5-
> vpuapi.c
> index 68d86625538f..d7318d596b73 100644
> --- a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c
> +++ b/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c
> @@ -209,6 +209,7 @@ int wave5_vpu_dec_close(struct vpu_instance *inst, u32 *fail_res)
>  	int i;
>  	int inst_count = 0;
>  	struct vpu_instance *inst_elm;
> +	struct dec_output_info dec_info;
>  
>  	*fail_res = 0;
>  	if (!inst->codec_info)
> @@ -229,11 +230,26 @@ int wave5_vpu_dec_close(struct vpu_instance *inst, u32 *fail_res)
>  			goto unlock_and_return;
>  		}
>  
> -		if (*fail_res == WAVE5_SYSERR_VPU_STILL_RUNNING &&
> -		    retry++ >= MAX_FIRMWARE_CALL_RETRY) {
> +		if (ret == 0)
> +			break;
> +
> +		if (*fail_res != WAVE5_SYSERR_VPU_STILL_RUNNING) {
> +			dev_warn(inst->dev->dev, "dec_finish_seq timed out\n");
> +			goto unlock_and_return;
> +		}
> +
> +		if (retry++ >= MAX_FIRMWARE_CALL_RETRY) {
>  			ret = -ETIMEDOUT;
>  			goto unlock_and_return;
>  		}
> +
> +		mutex_unlock(&vpu_dev->hw_lock);
> +		wave5_vpu_dec_get_output_info(inst, &dec_info);
> +		ret = mutex_lock_interruptible(&vpu_dev->hw_lock);
> +		if (ret) {
> +			pm_runtime_put_sync(inst->dev->dev);
> +			return ret;
> +		}
>  	} while (ret != 0);
>  
>  	dev_dbg(inst->dev->dev, "%s: dec_finish_seq complete\n", __func__);