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Subject: media: venus: venc,vdec: Return EBUSY on S_FMT while streaming
Author: Stanimir Varbanov <stanimir.varba...@linaro.org>
Date: Sat Apr 18 11:06:22 2020 +0200
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.varba...@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.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;
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