From patchwork Tue Feb 26 17:36:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 10830673 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2D8331390 for ; Tue, 26 Feb 2019 17:37:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 195BA2D188 for ; Tue, 26 Feb 2019 17:37:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0D7132D1B8; Tue, 26 Feb 2019 17:37:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 292372D188 for ; Tue, 26 Feb 2019 17:37:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728249AbfBZRhA (ORCPT ); Tue, 26 Feb 2019 12:37:00 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:60666 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727704AbfBZRhA (ORCPT ); Tue, 26 Feb 2019 12:37:00 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Sender:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=dS7qer1bEDGolsVuRWl5zEEpA76ztEmiLBd2c7pyVHs=; b=FRxsgT3fTU1eIXVC5k6kwzAdh 2sYtQKVCU59VGBDuD4IqewCuJgT9zwVoKNTa1aW1MISh9EPTsfJLu8p193Zjpl8JFDhwtzeeZCFkM I3y9nXEoTH7kEc2PkwbjDWtU79xSACBBTVAN2KTk2wKf4IgKiYLaQq9EvpIWfL+ps0uzK2sMiqMym EWA2qJMBBXAq7xAyWdibEen6JXmXS4RBa+wPeJHsQZOt4H/LqdPY+zfAqiRYBVXwmONAMPoG0Awtu zhkXkxz0e64XsIM+mj110lnbIoq6wQDqDP4EIA0gypWr+t+wBd0KwuzRrZolwdnhohQ4W4KewKyuW v+JeWwNVg==; Received: from 177.41.100.217.dynamic.adsl.gvt.net.br ([177.41.100.217] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1gygf5-0006Oj-Jl; Tue, 26 Feb 2019 17:36:59 +0000 Received: from mchehab by bombadil.infradead.org with local (Exim 4.92) (envelope-from ) id 1gygf2-0002Nu-Ob; Tue, 26 Feb 2019 14:36:56 -0300 From: Mauro Carvalho Chehab To: Linux Media Mailing List Cc: Mauro Carvalho Chehab , Mauro Carvalho Chehab , Hans Verkuil , Ezequiel Garcia Subject: [PATCH 1/2] media: vim2m: improve debug messages Date: Tue, 26 Feb 2019 14:36:54 -0300 Message-Id: <627b2c823606801a9d2cf0bb2ea15ad83942e6dd.1551202610.git.mchehab+samsung@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 1) Use two levels for debug: - level 1: setup stuff - level 2: add queue/dequeue messages 2) Better display the debug output, translating buffer type, fourcc and making some messages clearer. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/vim2m.c | 44 ++++++++++++++++++++++++---------- 1 file changed, 31 insertions(+), 13 deletions(-) diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c index d95a905bdfc5..ab288e8377f1 100644 --- a/drivers/media/platform/vim2m.c +++ b/drivers/media/platform/vim2m.c @@ -39,7 +39,7 @@ MODULE_ALIAS("mem2mem_testdev"); static unsigned debug; module_param(debug, uint, 0644); -MODULE_PARM_DESC(debug, "activates debug info"); +MODULE_PARM_DESC(debug, "debug level"); /* Default transaction time in msec */ static unsigned int default_transtime = 40; /* Max 25 fps */ @@ -67,8 +67,8 @@ MODULE_PARM_DESC(default_transtime, "default transaction time in ms"); #define MEM2MEM_HFLIP (1 << 0) #define MEM2MEM_VFLIP (1 << 1) -#define dprintk(dev, fmt, arg...) \ - v4l2_dbg(1, debug, &dev->v4l2_dev, "%s: " fmt, __func__, ## arg) +#define dprintk(dev, lvl, fmt, arg...) \ + v4l2_dbg(lvl, debug, &dev->v4l2_dev, "%s: " fmt, __func__, ## arg) static void vim2m_dev_release(struct device *dev) @@ -227,6 +227,18 @@ static struct vim2m_q_data *get_q_data(struct vim2m_ctx *ctx, return NULL; } +static const char *type_name(enum v4l2_buf_type type) +{ + switch (type) { + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + return "Output"; + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return "Capture"; + default: + return "Invalid"; + } +} + #define CLIP(__color) \ (u8)(((__color) > 0xff) ? 0xff : (((__color) < 0) ? 0 : (__color))) @@ -530,7 +542,7 @@ static int job_ready(void *priv) if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) < ctx->translen || v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx) < ctx->translen) { - dprintk(ctx->dev, "Not enough buffers available\n"); + dprintk(ctx->dev, 1, "Not enough buffers available\n"); return 0; } @@ -601,7 +613,7 @@ static void device_work(struct work_struct *w) if (curr_ctx->num_processed == curr_ctx->translen || curr_ctx->aborting) { - dprintk(curr_ctx->dev, "Finishing transaction\n"); + dprintk(curr_ctx->dev, 2, "Finishing capture buffer fill\n"); curr_ctx->num_processed = 0; v4l2_m2m_job_finish(vim2m_dev->m2m_dev, curr_ctx->fh.m2m_ctx); } else { @@ -794,9 +806,14 @@ static int vidioc_s_fmt(struct vim2m_ctx *ctx, struct v4l2_format *f) q_data->sizeimage = q_data->width * q_data->height * q_data->fmt->depth >> 3; - dprintk(ctx->dev, - "Setting format for type %d, wxh: %dx%d, fmt: %d\n", - f->type, q_data->width, q_data->height, q_data->fmt->fourcc); + dprintk(ctx->dev, 1, + "Format for type %s: %dx%d (%d bpp), fmt: %c%c%c%c\n", + type_name(f->type), q_data->width, q_data->height, + q_data->fmt->depth, + (q_data->fmt->fourcc & 0xff), + (q_data->fmt->fourcc >> 8) & 0xff, + (q_data->fmt->fourcc >> 16) & 0xff, + (q_data->fmt->fourcc >> 24) & 0xff); return 0; } @@ -931,7 +948,8 @@ static int vim2m_queue_setup(struct vb2_queue *vq, *nplanes = 1; sizes[0] = size; - dprintk(ctx->dev, "get %d buffer(s) of size %d each.\n", count, size); + dprintk(ctx->dev, 1, "%s: get %d buffer(s) of size %d each.\n", + type_name(vq->type), count, size); return 0; } @@ -944,7 +962,7 @@ static int vim2m_buf_out_validate(struct vb2_buffer *vb) if (vbuf->field == V4L2_FIELD_ANY) vbuf->field = V4L2_FIELD_NONE; if (vbuf->field != V4L2_FIELD_NONE) { - dprintk(ctx->dev, "%s field isn't supported\n", __func__); + dprintk(ctx->dev, 1, "%s field isn't supported\n", __func__); return -EINVAL; } @@ -956,7 +974,7 @@ static int vim2m_buf_prepare(struct vb2_buffer *vb) struct vim2m_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); struct vim2m_q_data *q_data; - dprintk(ctx->dev, "type: %d\n", vb->vb2_queue->type); + dprintk(ctx->dev, 2, "type: %s\n", type_name(vb->vb2_queue->type)); q_data = get_q_data(ctx, vb->vb2_queue->type); if (vb2_plane_size(vb, 0) < q_data->sizeimage) { @@ -1147,7 +1165,7 @@ static int vim2m_open(struct file *file) v4l2_fh_add(&ctx->fh); atomic_inc(&dev->num_inst); - dprintk(dev, "Created instance: %p, m2m_ctx: %p\n", + dprintk(dev, 1, "Created instance: %p, m2m_ctx: %p\n", ctx, ctx->fh.m2m_ctx); open_unlock: @@ -1160,7 +1178,7 @@ static int vim2m_release(struct file *file) struct vim2m_dev *dev = video_drvdata(file); struct vim2m_ctx *ctx = file2ctx(file); - dprintk(dev, "Releasing instance %p\n", ctx); + dprintk(dev, 1, "Releasing instance %p\n", ctx); v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh);