From patchwork Thu Jun 30 23:06:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 586237 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 D2963C43334 for ; Thu, 30 Jun 2022 23:08:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231251AbiF3XIV (ORCPT ); Thu, 30 Jun 2022 19:08:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231244AbiF3XIT (ORCPT ); Thu, 30 Jun 2022 19:08:19 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A77C5101C9 for ; Thu, 30 Jun 2022 16:08:15 -0700 (PDT) Received: from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 322071460; Fri, 1 Jul 2022 01:07:46 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1656630466; bh=4W5h8ZyhDD2s+cMAmd4iAng4SMJHn0OJPbEVgJX1vhQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AxrbhFdyL8OjS7Nzpg/Qqn7zTZ7XXkaoQOVyiD7yU8fKSr1oeFA3nDfMfvf9TRbGp TA9o4+VOWe3LpnyFyMLQQxTjOqayxHD2OcbSzB0kgGPp9r8f7YZc+Y7RkFRkuC3NoO mly8XZUtMOXk+7QANSQ73ky6cSmhikr6MDQ0e6WQ= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: linux-rockchip@lists.infradead.org, Dafna Hirschfeld , Heiko Stuebner , Helen Koike , Paul Elder Subject: [PATCH v2 14/55] media: rkisp1: Reject sensors without pixel rate control at bound time Date: Fri, 1 Jul 2022 02:06:32 +0300 Message-Id: <20220630230713.10580-15-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220630230713.10580-1-laurent.pinchart@ideasonboard.com> References: <20220630230713.10580-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The rkisp1 driver requires the sensor to implement the pixel rate control. Trying to operate without it will cause an error when starting streaming. Catch the issue earlier, at bound time. Signed-off-by: Laurent Pinchart Reviewed-by: Dafna Hirschfeld --- drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 6 ++++++ drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c | 5 ----- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c index 39ae35074062..7fc617d51f44 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c @@ -190,6 +190,12 @@ static int rkisp1_subdev_notifier_bound(struct v4l2_async_notifier *notifier, s_asd->pixel_rate_ctrl = v4l2_ctrl_find(sd->ctrl_handler, V4L2_CID_PIXEL_RATE); + if (!s_asd->pixel_rate_ctrl) { + dev_err(rkisp1->dev, "No pixel rate control in subdev %s\n", + sd->name); + return -EINVAL; + } + s_asd->sd = sd; s_asd->dphy = devm_phy_get(rkisp1->dev, "dphy"); if (IS_ERR(s_asd->dphy)) { diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c index 689885ac2e84..56781b53dd83 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c @@ -823,11 +823,6 @@ static int rkisp1_mipi_csi2_start(struct rkisp1_isp *isp, struct phy_configure_opts_mipi_dphy *cfg = &opts.mipi_dphy; s64 pixel_clock; - if (!sensor->pixel_rate_ctrl) { - dev_warn(rkisp1->dev, "No pixel rate control in sensor subdev\n"); - return -EPIPE; - } - pixel_clock = v4l2_ctrl_g_ctrl_int64(sensor->pixel_rate_ctrl); if (!pixel_clock) { dev_err(rkisp1->dev, "Invalid pixel rate value\n");