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(unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 477E1660739B; Mon, 2 Oct 2023 13:06:52 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248412; bh=jDPDI95HlRE0YbU8tWH1tF/YAu4YVw3uRkbYqHG/IGc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OF1tMbtCLK3VUt6b0OB8SzAvQ3TZQubhX/CSBCAVVD9UvHI15alxR/0nLG0rKDCVB 8csVmdrbC45HtcXWzhSJ2zaf5ae1ShQOdJp7eEdSPA6p6ImQfuQn0T3xJprdPnVGF+ 1mrNuamKQGYsCyrWFeVQNaeRmnfJ67suZnJZkH6G3Hzj+CNLSdcqGm4VWlNNiEEhBB dUMIsYd4+8U+lY+FFY+axBiZmlB0UlxjWfsKywfHh+Xm0TFg/vGojTN2L3Zn13IoLq Cd4U5a95nXNxx9fhN2PW5zDLENLrK4VrnkRn60B+apwYCn8T5AByQv+/MSxIhQlAC/ Sp0ClgsFYL9Rg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 52/53] media: v4l2: Add mem2mem helpers for DELETE_BUFS ioctl Date: Mon, 2 Oct 2023 14:06:16 +0200 Message-Id: <20231002120617.119602-53-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Mon, 02 Oct 2023 05:09:24 -0700 (PDT) Create v4l2-mem2mem helpers for VIDIOC_DELETE_BUFS ioctl. Signed-off-by: Benjamin Gaignard --- .../media/platform/verisilicon/hantro_drv.c | 1 + .../media/platform/verisilicon/hantro_v4l2.c | 1 + drivers/media/test-drivers/vim2m.c | 2 ++ drivers/media/v4l2-core/v4l2-mem2mem.c | 20 +++++++++++++++++++ include/media/v4l2-mem2mem.h | 12 +++++++++++ 5 files changed, 36 insertions(+) diff --git a/drivers/media/platform/verisilicon/hantro_drv.c b/drivers/media/platform/verisilicon/hantro_drv.c index ad6b086f0526..1195a163d9e8 100644 --- a/drivers/media/platform/verisilicon/hantro_drv.c +++ b/drivers/media/platform/verisilicon/hantro_drv.c @@ -247,6 +247,7 @@ queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq) dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; dst_vq->lock = &ctx->dev->vpu_mutex; dst_vq->dev = ctx->dev->v4l2_dev.dev; + src_vq->supports_delete_bufs = true; return vb2_queue_init(dst_vq); } diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/media/platform/verisilicon/hantro_v4l2.c index 27a1e77cca38..0fd1c2fc78c8 100644 --- a/drivers/media/platform/verisilicon/hantro_v4l2.c +++ b/drivers/media/platform/verisilicon/hantro_v4l2.c @@ -756,6 +756,7 @@ const struct v4l2_ioctl_ops hantro_ioctl_ops = { .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, + .vidioc_delete_bufs = v4l2_m2m_ioctl_delete_bufs, .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, diff --git a/drivers/media/test-drivers/vim2m.c b/drivers/media/test-drivers/vim2m.c index 3e3b424b4860..17213ce42059 100644 --- a/drivers/media/test-drivers/vim2m.c +++ b/drivers/media/test-drivers/vim2m.c @@ -960,6 +960,7 @@ static const struct v4l2_ioctl_ops vim2m_ioctl_ops = { .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, + .vidioc_delete_bufs = v4l2_m2m_ioctl_delete_bufs, .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, .vidioc_streamon = v4l2_m2m_ioctl_streamon, @@ -1133,6 +1134,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, dst_vq->mem_ops = &vb2_vmalloc_memops; dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; dst_vq->lock = &ctx->vb_mutex; + dst_vq->supports_delete_bufs = true; return vb2_queue_init(dst_vq); } diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index 0cc30397fbad..d1d59943680f 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -831,6 +831,17 @@ int v4l2_m2m_prepare_buf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, } EXPORT_SYMBOL_GPL(v4l2_m2m_prepare_buf); +int v4l2_m2m_delete_bufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, + struct v4l2_delete_buffers *d) +{ + struct vb2_queue *vq; + + vq = v4l2_m2m_get_vq(m2m_ctx, d->type); + + return vb2_delete_bufs(vq, d); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_delete_bufs); + int v4l2_m2m_create_bufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_create_buffers *create) { @@ -1377,6 +1388,15 @@ int v4l2_m2m_ioctl_create_bufs(struct file *file, void *priv, } EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_create_bufs); +int v4l2_m2m_ioctl_delete_bufs(struct file *file, void *priv, + struct v4l2_delete_buffers *d) +{ + struct v4l2_fh *fh = file->private_data; + + return v4l2_m2m_delete_bufs(file, fh->m2m_ctx, d); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_delete_bufs); + int v4l2_m2m_ioctl_querybuf(struct file *file, void *priv, struct v4l2_buffer *buf) { diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h index d6c8eb2b5201..161f85c42dc8 100644 --- a/include/media/v4l2-mem2mem.h +++ b/include/media/v4l2-mem2mem.h @@ -381,6 +381,16 @@ int v4l2_m2m_dqbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, int v4l2_m2m_prepare_buf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_buffer *buf); +/** + * v4l2_m2m_delete_bufs() - delete buffers from the queue + * + * @file: pointer to struct &file + * @m2m_ctx: m2m context assigned to the instance given by struct &v4l2_m2m_ctx + * @d: pointer to struct &v4l2_delete_buffers + */ +int v4l2_m2m_delete_bufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, + struct v4l2_delete_buffers *d); + /** * v4l2_m2m_create_bufs() - create a source or destination buffer, depending * on the type @@ -860,6 +870,8 @@ int v4l2_m2m_ioctl_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *rb); int v4l2_m2m_ioctl_create_bufs(struct file *file, void *fh, struct v4l2_create_buffers *create); +int v4l2_m2m_ioctl_delete_bufs(struct file *file, void *priv, + struct v4l2_delete_buffers *d); int v4l2_m2m_ioctl_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf); int v4l2_m2m_ioctl_expbuf(struct file *file, void *fh, -- 2.39.2