From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE153C5AD4C for ; Wed, 15 Nov 2023 19:50:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235376AbjKOTuF (ORCPT ); Wed, 15 Nov 2023 14:50:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235381AbjKOTuE (ORCPT ); Wed, 15 Nov 2023 14:50:04 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C2EEC2 for ; Wed, 15 Nov 2023 11:50:01 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1F7CFC433C7; Wed, 15 Nov 2023 19:50:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700077801; bh=S/bmRXU6Z0dKryJeDjGBZW+4VT2HhWLLguxWRa9zWl4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G8Cci+UCKWtv3r0DJ4uYglKInCeoElAKeKygJacnaImuKRQBg1DCbslYE6Py0NUvh H6XvfrK8fMkV11gx2X4nhS3o9tZg+A386kpKiSVeA/Q1m0BQxl4oUQrxaKIWJmfFLq 6OgZUlGYTowOwAO9tjraHEZXExmdV8O1fwCpEzGQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ming Qian , Hans Verkuil , Sasha Levin Subject: [PATCH 6.6 528/603] media: imx-jpeg: notify source chagne event when the first picture parsed Date: Wed, 15 Nov 2023 14:17:53 -0500 Message-ID: <20231115191648.469357263@linuxfoundation.org> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231115191613.097702445@linuxfoundation.org> References: <20231115191613.097702445@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ming Qian [ Upstream commit b833b178498dafa2156cfb6f4d3ce4581c21f1e5 ] After gstreamer rework the dynamic resolution change handling, gstreamer stop doing capture buffer allocation based on guesses and wait for the source change event when available. It requires driver always notify source change event in the initialization, even if the size parsed is equal to the size set on capture queue. otherwise, the pipeline will be stalled. Currently driver may not notify source change event if the parsed format and size are equal to those previously established, but it may stall the gstreamer pipeline. The link of gstreamer patch is https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4437 Fixes: b4e1fb8643da ("media: imx-jpeg: Support dynamic resolution change") Signed-off-by: Ming Qian Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c | 7 ++++++- drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c index e74b0ed8ec5ba..0c8b204535ffc 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c @@ -1348,7 +1348,8 @@ static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx, q_data_cap = mxc_jpeg_get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); if (mxc_jpeg_compare_format(q_data_cap->fmt, jpeg_src_buf->fmt)) jpeg_src_buf->fmt = q_data_cap->fmt; - if (q_data_cap->fmt != jpeg_src_buf->fmt || + if (ctx->need_initial_source_change_evt || + q_data_cap->fmt != jpeg_src_buf->fmt || q_data_cap->w != jpeg_src_buf->w || q_data_cap->h != jpeg_src_buf->h) { dev_dbg(dev, "Detected jpeg res=(%dx%d)->(%dx%d), pixfmt=%c%c%c%c\n", @@ -1392,6 +1393,7 @@ static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx, mxc_jpeg_sizeimage(q_data_cap); notify_src_chg(ctx); ctx->source_change = 1; + ctx->need_initial_source_change_evt = false; if (vb2_is_streaming(v4l2_m2m_get_dst_vq(ctx->fh.m2m_ctx))) mxc_jpeg_set_last_buffer(ctx); } @@ -1611,6 +1613,9 @@ static int mxc_jpeg_queue_setup(struct vb2_queue *q, for (i = 0; i < *nplanes; i++) sizes[i] = mxc_jpeg_get_plane_size(q_data, i); + if (V4L2_TYPE_IS_OUTPUT(q->type)) + ctx->need_initial_source_change_evt = true; + return 0; } diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h index d80e94cc9d992..dc4afeeff5b65 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h @@ -99,6 +99,7 @@ struct mxc_jpeg_ctx { enum mxc_jpeg_enc_state enc_state; int slot; unsigned int source_change; + bool need_initial_source_change_evt; bool header_parsed; struct v4l2_ctrl_handler ctrl_handler; u8 jpeg_quality; -- 2.42.0