From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 726422D60C; Mon, 19 Feb 2024 11:54:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708343670; cv=none; b=m7bA7tYENHeUxrFMvfLOhPq6eztqHN0ozmh9ScXZDbevIr9jYHuDHEwpqVCCg2hC2OlnLFb3NMHY5Jpps4/dl9CID9x07mEg1eLOE74A/fT0Je11s7/qAwV6+ppYKbx5fetfh4JwO+HeEUClmflyF0vWzJalSbxrhEoENgsV9T4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708343670; c=relaxed/simple; bh=/54XkQRIaMoh0oyLd5k/+n5EWpirSB7YraPB3iemee0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E4yrmS0bckMJStmYVuHdjpzXS2IJcnW+0jUTw5k+9xY+TKayQtTbC+sy36JEllgusjBA4FtmAovX8aYLZz+4JKfqK0qh7TJWlKyN+7L0fErydCSzSLVrer5Us4PXDDUTWzrCQgIo6+Eq63ou84Zr60Zsny4g9xTUDh0chUccRHY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=OGQZ+uzj; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="OGQZ+uzj" Received: from pendragon.ideasonboard.com (89-27-53-110.bb.dnainternet.fi [89.27.53.110]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 8365345B; Mon, 19 Feb 2024 12:54:19 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1708343659; bh=/54XkQRIaMoh0oyLd5k/+n5EWpirSB7YraPB3iemee0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OGQZ+uzj6S60sRWV3cHkar0scCy41nytkDQw/oQIDciNTC6hgL18tcdAkYpt+matI pCoHQBqRNwMm4zCsLbWzxlV5T7llaJwCoketLO3IBrTV0jsJCSOxjVZUrVhysYTFYq yfOxw4zgZeUddRmalFjxBloINbWmvlnglG0YnTic= Date: Mon, 19 Feb 2024 13:54:30 +0200 From: Laurent Pinchart To: Paul Elder Cc: Umang Jain , Adam Ford , =?utf-8?Q?Ond=C5=99ej?= Jirman , linux-kernel@vger.kernel.org, Dafna Hirschfeld , Mauro Carvalho Chehab , Heiko Stuebner , "open list:ROCKCHIP ISP V1 DRIVER" , "open list:ROCKCHIP ISP V1 DRIVER" , "moderated list:ARM/Rockchip SoC support" Subject: Re: [PATCH] media: rkisp1: Allow higher input resolution Message-ID: <20240219115430.GC13043@pendragon.ideasonboard.com> References: <20240217185202.1754750-1-megi@xff.cz> <20240218205908.GA12766@pendragon.ideasonboard.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Mon, Feb 19, 2024 at 07:11:20PM +0900, Paul Elder wrote: > On Mon, Feb 19, 2024 at 02:33:21PM +0530, Umang Jain wrote: > > On 19/02/24 7:39 am, Adam Ford wrote: > > > On Sun, Feb 18, 2024 at 3:02 PM Ondřej Jirman wrote: > > > > On Sun, Feb 18, 2024 at 10:59:08PM +0200, Laurent Pinchart wrote: > > > > > On Sat, Feb 17, 2024 at 07:51:58PM +0100, Ondřej Jirman wrote: > > > > > > From: Ondrej Jirman > > > > > > > > > > > > In BSP driver, it is allowed, and it works in practice. Tested on > > > > > > Pinephone Pro/RK3399 with IMX258 at full res. > > > > > > > > > > Paul, Umang, do I recall correctly that you have a similar change ? > > > > > Could you review and test this (especially on the i.MX8MP) ? > > > > > > > > It's also a limit from the datasheet, so the change should not be that > > > > controversial: > > > > > > > > https://megous.com/dl/tmp/d2b333043ecebaf3.png > > > > > > > > (so that it doesn't sound like I just copied the BSP values) > > > > > > > From what I see in the i.MX8M Plus reference manual, it has a max > > > resolution of 4096x3072, so it might be necessary to move this off > > > > This is what I (and I assume Paul too) have been working with on i.MX8M > > Plus. So it's the known and tested value of max ISP input from out side. > > > > > from a #define into a structure that varies by product family. > > Yes, this is what needs to be done. Here's what I have in my notes: > > - The RK3399 TRM says 4416x3312 max input and output on main path, with > 1920x1080 max output on self path. > - The PX30 datasheet [1] says 3264x2448 max input and output on main > path, with 1920x1080 max output on self path. > - The RK3288 documentation [2] (under "Camera Interface and Image > Processor") says 4416x3312 max input and output on main path, with > 1920x1080 max output on self path. > - The i.MX8MP reference manual (the open one) [3] (in table 13-1) says > 4096x3072 max resolution in single ISP mode > > The i.MX8M Plus seems to indeed be limited to 4096x3072, but the TPG is > capable of generating 4416x3312, and the ISP works fine in bypass (and > therefore raw) mode, so technically it has different maximum sizes > depending on the format which makes this more exciting. > > In any case, the PX30 (assuming the datasheet is correct) only supports > up to 3264x2448, so the existing #define is incorrect anyway. > > I don't have a PX30 nor an RK3288 so I can't test those, and I haven't > set up my OV64A40 yet which (I've heard) can be used to test even bigger > resolutions. Thanks for the summary Paul. Ondřej, would you be interested in implementing this ? > [1] https://opensource.rock-chips.com/images/8/87/Rockchip_PX30_Datasheet_V1.4-20191227.pdf > [2] https://opensource.rock-chips.com/images/4/49/Rockchip_RK3288_Datasheet_V2.7-20191227.pdf > [3] (requires login) https://www.nxp.com/products/processors-and-microcontrollers/arm-processors/i-mx-applications-processors/i-mx-8-applications-processors/i-mx-8m-plus-arm-cortex-a53-machine-learning-vision-multimedia-and-industrial-iot:IMX8MPLUS > > > > > > > Signed-off-by: Ondrej Jirman > > > > > > --- > > > > > > drivers/media/platform/rockchip/rkisp1/rkisp1-common.h | 4 ++-- > > > > > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > > > > > > > > > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > > > > > > index 4b6b28c05b89..74098ddbeeb3 100644 > > > > > > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > > > > > > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > > > > > > @@ -33,8 +33,8 @@ struct dentry; > > > > > > #define RKISP1_ISP_SD_SINK BIT(1) > > > > > > > > > > > > /* min and max values for the widths and heights of the entities */ > > > > > > -#define RKISP1_ISP_MAX_WIDTH 4032 > > > > > > -#define RKISP1_ISP_MAX_HEIGHT 3024 > > > > > > +#define RKISP1_ISP_MAX_WIDTH 4416 > > > > > > +#define RKISP1_ISP_MAX_HEIGHT 3312 > > > > > > #define RKISP1_ISP_MIN_WIDTH 32 > > > > > > #define RKISP1_ISP_MIN_HEIGHT 32 > > > > > > -- Regards, Laurent Pinchart