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Date: Sat, 18 Apr 2020 12:11:06 +0300 From: Stanimir Varbanov <stanimir.varbanov@...aro.org> To: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Stanimir Varbanov <stanimir.varbanov@...aro.org> Subject: [PATCH] venus: venc,vdec: Return EBUSY on S_FMT while streaming According to the v4l spec s_fmt must return EBUSY while the particular queue is streaming. Add such check in encoder and decoder s_fmt methods. Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org> --- drivers/media/platform/qcom/venus/vdec.c | 8 ++++++++ drivers/media/platform/qcom/venus/venc.c | 8 ++++++++ 2 files changed, 16 insertions(+) diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index 527944c822b5..7c4c483d5438 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -276,6 +276,14 @@ static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f) const struct venus_format *fmt; struct v4l2_format format; u32 pixfmt_out = 0, pixfmt_cap = 0; + struct vb2_queue *q; + + q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); + if (!q) + return -EINVAL; + + if (vb2_is_busy(q)) + return -EBUSY; orig_pixmp = *pixmp; diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c index 3d8431dc14c4..feed648550d1 100644 --- a/drivers/media/platform/qcom/venus/venc.c +++ b/drivers/media/platform/qcom/venus/venc.c @@ -357,6 +357,14 @@ static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f) const struct venus_format *fmt; struct v4l2_format format; u32 pixfmt_out = 0, pixfmt_cap = 0; + struct vb2_queue *q; + + q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); + if (!q) + return -EINVAL; + + if (vb2_is_busy(q)) + return -EBUSY; orig_pixmp = *pixmp; -- 2.17.1
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