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[109.49.33.111]) by smtp.gmail.com with ESMTPSA id h10-20020adffa8a000000b002ce3d3d17e5sm2654689wrr.79.2023.03.17.12.20.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Mar 2023 12:20:33 -0700 (PDT) From: Rui Miguel Silva To: Laurent Pinchart Cc: Alexander Stein , Mauro Carvalho Chehab , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 1/3] media: imx: imx7-media-csi: Fix mbus framefmt field init In-Reply-To: <20230317182858.GB28322@pendragon.ideasonboard.com> References: <20230316143829.499039-1-alexander.stein@ew.tq-group.com> <20230316143829.499039-2-alexander.stein@ew.tq-group.com> <20230317182858.GB28322@pendragon.ideasonboard.com> Date: Fri, 17 Mar 2023 19:20:32 +0000 Message-ID: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230317_122038_749781_7EB539F0 X-CRM114-Status: GOOD ( 22.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Laurent. Laurent Pinchart writes: > Hello, > > On Fri, Mar 17, 2023 at 05:20:55PM +0000, Rui Miguel Silva wrote: >> Hi Alexander, >> Thanks for the patch. >> >> Alexander Stein writes: >> >> > Default to non-interleaving. >> >> Why? > > Otherwise it is implicitly set to V4L2_FIELD_ANY as the structure is > zero-initialized, and that's not a valid value for drivers to return to > userspace. This should be explained in the commit message. Yes, that was my intention, to have the why in the commit message. Cheers, Rui > >> > Fixes: bc0d3df31ffe ("media: imx: imx7-media-csi: Simplify imx7_csi_video_init_format()") >> >> It was never init to FIELD_NONE even before this patch, do you think it >> is really a fix? > > Commit bc0d3df31ffe does indeed not seem relevant. > > The problem predates the destaging of the driver, it's a bit difficult > to trace. I'd drop the Fixes: tag. > >> > Signed-off-by: Alexander Stein >> > --- >> > drivers/media/platform/nxp/imx7-media-csi.c | 1 + >> > 1 file changed, 1 insertion(+) >> > >> > diff --git a/drivers/media/platform/nxp/imx7-media-csi.c b/drivers/media/platform/nxp/imx7-media-csi.c >> > index c22bf5c827e7..3e97b9f2ff69 100644 >> > --- a/drivers/media/platform/nxp/imx7-media-csi.c >> > +++ b/drivers/media/platform/nxp/imx7-media-csi.c >> > @@ -1610,6 +1610,7 @@ static int imx7_csi_video_init_format(struct imx7_csi *csi) >> > format.code = IMX7_CSI_DEF_MBUS_CODE; >> > format.width = IMX7_CSI_DEF_PIX_WIDTH; >> > format.height = IMX7_CSI_DEF_PIX_HEIGHT; >> > + format.field = V4L2_FIELD_NONE; >> > >> > imx7_csi_mbus_fmt_to_pix_fmt(&csi->vdev_fmt, &format, NULL); >> > csi->vdev_compose.width = format.width; > > -- > Regards, > > Laurent Pinchart _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel