linux-kernel - Re: [PATCH v4 0/4] Add Synopsys DesignWare HDMI RX Controller

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Message-ID: <01020191c8ee20f9-9382cd7e-c3f5-4e19-a9d2-9222fd36e789-000000@eu-west-1.amazonses.com>
Date: Fri, 6 Sep 2024 20:02:14 +0000
From: Nicolas Dufresne <nicolas.dufresne@...labora.com>
To: Shreeya Patel <shreeya.patel@...labora.com>, 
	Tim Surber <me@...surber.de>
Cc: heiko <heiko@...ech.de>, mchehab <mchehab@...nel.org>, 
	robh <robh@...nel.org>, krzk+dt <krzk+dt@...nel.org>, 
	conor+dt <conor+dt@...nel.org>, mturquette <mturquette@...libre.com>, 
	sboyd <sboyd@...nel.org>, "p.zabel" <p.zabel@...gutronix.de>, 
	"jose.abreu" <jose.abreu@...opsys.com>, 
	"nelson.costa" <nelson.costa@...opsys.com>, 
	"shawn.wen" <shawn.wen@...k-chips.com>, 
	hverkuil <hverkuil@...all.nl>, 
	hverkuil-cisco <hverkuil-cisco@...all.nl>, 
	kernel <kernel@...labora.com>, 
	linux-kernel <linux-kernel@...r.kernel.org>, 
	linux-media <linux-media@...r.kernel.org>, 
	devicetree <devicetree@...r.kernel.org>, 
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, 
	linux-rockchip <linux-rockchip@...ts.infradead.org>
Subject: Re: [PATCH v4 0/4] Add Synopsys DesignWare HDMI RX Controller

Hi Shreya,

Le jeudi 29 août 2024 à 15:33 +0530, Shreeya Patel a écrit :
>  ---- On Thu, 29 Aug 2024 03:43:40 +0530  Tim Surber  wrote --- 
>  > Hi Shreeya,
>  > 
>  > another hint:
>  > 
>  > Changing the EDID like you described fixed the 4k60fps BGR3 input.
>  > 
>  > But still for NV16/NV24 (I can't output NV12 for some reason) there is 
>  > the error which Nicolas described.
>  > 
>  > The output from v4l2-ctl for NV16/NV24 is:
>  > 
>  > Plane 0           :
>  >         Bytes per Line : 3840
>  >         Size Image     : 8294400
>  > 
>  > According to Nicolas there should be an additional plane/more memory 
>  > reserved.
>  > 
> 
> Yes, it could be possible that the imagesize is incorrect as we made some
> modifications related to it in v4. I'll increase this as required by the NV12/24
> and see if that fixes the issue.


Sorry for the slow feedback, just noticed this message. Please make sure to us
v4l2-common, these exists exactly because no one can get strides and image size
right on first go.

Nicolas