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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 2BE926607370; Mon, 2 Oct 2023 13:06:43 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248403; bh=c7kOTl+JvLUci3Ybxp5I5uKTMKcI7MOYLdh4Vrq/z0g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OqQZxAT2LVLAeYL7eD5YA4yi8beiRC+4tzCcRUVjLzDntG5YUk5tqsDEr6BLF3PnY yR4Le+RHAkhUioczN5CSMpRFW3Pf1wV18AwCBSCsaNwoLJ4AuYkA2213vzH3iyrzfr vdh/X53Hthpu28asm/Gzec+nFZTD3tbJkGO3rBGWcx4bK3CFyAeSrC8tki/Cz6fqYj k1NcWYItpEG+yqf7VBcA8fjeJwtK/mjnwevFP4ltuhdRf1fKgSnpbmOoscXfsmcc4e tt5yJd8Ma+kLhTY0P6qksrg7UFC9WVLER6t7t0WtuFJYG4pmvesIYXFf3TJO8qWvwb CNfBqfYQMFSzw== 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 35/53] media: ti: Use queue min_buffers_needed field to set the min number of buffers Date: Mon, 2 Oct 2023 14:05:59 +0200 Message-Id: <20231002120617.119602-36-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 05:08:20 -0700 (PDT) When queue min_buffers_needed field is correctly set vb2 queue_setup() does take care of it and we can remove the checks from drivers. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/ti/am437x/am437x-vpfe.c | 7 ++----- drivers/media/platform/ti/cal/cal-video.c | 5 +---- drivers/media/platform/ti/davinci/vpif_capture.c | 5 +---- drivers/media/platform/ti/davinci/vpif_display.c | 5 +---- drivers/media/platform/ti/omap/omap_vout.c | 5 +++-- 5 files changed, 8 insertions(+), 19 deletions(-) diff --git a/drivers/media/platform/ti/am437x/am437x-vpfe.c b/drivers/media/platform/ti/am437x/am437x-vpfe.c index 63092013d476..a12c93f8b40e 100644 --- a/drivers/media/platform/ti/am437x/am437x-vpfe.c +++ b/drivers/media/platform/ti/am437x/am437x-vpfe.c @@ -1776,9 +1776,6 @@ static int vpfe_queue_setup(struct vb2_queue *vq, struct vpfe_device *vpfe = vb2_get_drv_priv(vq); unsigned size = vpfe->fmt.fmt.pix.sizeimage; - if (vq->num_buffers + *nbuffers < 3) - *nbuffers = 3 - vq->num_buffers; - if (*nplanes) { if (sizes[0] < size) return -EINVAL; @@ -1789,7 +1786,7 @@ static int vpfe_queue_setup(struct vb2_queue *vq, sizes[0] = size; vpfe_dbg(1, vpfe, - "nbuffers=%d, size=%u\n", *nbuffers, sizes[0]); + "nbuffers=%u, size=%u\n", vb2_get_num_buffers(vq), sizes[0]); /* Calculate field offset */ vpfe_calculate_offsets(vpfe); @@ -2237,7 +2234,7 @@ static int vpfe_probe_complete(struct vpfe_device *vpfe) q->buf_struct_size = sizeof(struct vpfe_cap_buffer); q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; q->lock = &vpfe->lock; - q->min_buffers_needed = 1; + q->min_buffers_needed = 3; q->dev = vpfe->pdev; err = vb2_queue_init(q); diff --git a/drivers/media/platform/ti/cal/cal-video.c b/drivers/media/platform/ti/cal/cal-video.c index a8abcd0fee17..924465b37e5f 100644 --- a/drivers/media/platform/ti/cal/cal-video.c +++ b/drivers/media/platform/ti/cal/cal-video.c @@ -604,9 +604,6 @@ static int cal_queue_setup(struct vb2_queue *vq, struct cal_ctx *ctx = vb2_get_drv_priv(vq); unsigned int size = ctx->v_fmt.fmt.pix.sizeimage; - if (vq->num_buffers + *nbuffers < 3) - *nbuffers = 3 - vq->num_buffers; - if (*nplanes) { if (sizes[0] < size) return -EINVAL; @@ -616,7 +613,7 @@ static int cal_queue_setup(struct vb2_queue *vq, *nplanes = 1; sizes[0] = size; - ctx_dbg(3, ctx, "nbuffers=%d, size=%d\n", *nbuffers, sizes[0]); + ctx_dbg(3, ctx, "nbuffers=%d, size=%d\n", vb2_get_num_buffers(vq), sizes[0]); return 0; } diff --git a/drivers/media/platform/ti/davinci/vpif_capture.c b/drivers/media/platform/ti/davinci/vpif_capture.c index 99fae8830c41..8a4cc62cf562 100644 --- a/drivers/media/platform/ti/davinci/vpif_capture.c +++ b/drivers/media/platform/ti/davinci/vpif_capture.c @@ -122,9 +122,6 @@ static int vpif_buffer_queue_setup(struct vb2_queue *vq, size = sizes[0]; } - if (vq->num_buffers + *nbuffers < 3) - *nbuffers = 3 - vq->num_buffers; - *nplanes = 1; sizes[0] = size; @@ -1428,7 +1425,7 @@ static int vpif_probe_complete(void) q->mem_ops = &vb2_dma_contig_memops; q->buf_struct_size = sizeof(struct vpif_cap_buffer); q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - q->min_buffers_needed = 1; + q->min_buffers_needed = 3; q->lock = &common->lock; q->dev = vpif_dev; diff --git a/drivers/media/platform/ti/davinci/vpif_display.c b/drivers/media/platform/ti/davinci/vpif_display.c index f8ec2991c667..6fc32314cf9c 100644 --- a/drivers/media/platform/ti/davinci/vpif_display.c +++ b/drivers/media/platform/ti/davinci/vpif_display.c @@ -122,9 +122,6 @@ static int vpif_buffer_queue_setup(struct vb2_queue *vq, size = sizes[0]; } - if (vq->num_buffers + *nbuffers < 3) - *nbuffers = 3 - vq->num_buffers; - *nplanes = 1; sizes[0] = size; @@ -1168,7 +1165,7 @@ static int vpif_probe_complete(void) q->mem_ops = &vb2_dma_contig_memops; q->buf_struct_size = sizeof(struct vpif_disp_buffer); q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - q->min_buffers_needed = 1; + q->min_buffers_needed = 3; q->lock = &common->lock; q->dev = vpif_dev; err = vb2_queue_init(q); diff --git a/drivers/media/platform/ti/omap/omap_vout.c b/drivers/media/platform/ti/omap/omap_vout.c index 4143274089c3..72ce903717d3 100644 --- a/drivers/media/platform/ti/omap/omap_vout.c +++ b/drivers/media/platform/ti/omap/omap_vout.c @@ -944,10 +944,11 @@ static int omap_vout_vb2_queue_setup(struct vb2_queue *vq, struct device *alloc_devs[]) { struct omap_vout_device *vout = vb2_get_drv_priv(vq); + unsigned int q_num_bufs = vb2_get_num_buffers(vq); int size = vout->pix.sizeimage; - if (is_rotation_enabled(vout) && vq->num_buffers + *nbufs > VRFB_NUM_BUFS) { - *nbufs = VRFB_NUM_BUFS - vq->num_buffers; + if (is_rotation_enabled(vout) && q_num_bufs + *nbufs > VRFB_NUM_BUFS) { + *nbufs = VRFB_NUM_BUFS - q_num_bufs; if (*nbufs == 0) return -EINVAL; } -- 2.39.2