From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: Bartosz Golaszewski <bgolaszewski@baylibre.com>,
Kevin Hilman <khilman@baylibre.com>,
Michael Turquette <mturquette@baylibre.com>,
Sekhar Nori <nsekhar@ti.com>, Rob Herring <robh+dt@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
Mark Rutland <mark.rutland@arm.com>,
Peter Ujfalusi <peter.ujfalusi@ti.com>,
Russell King <linux@armlinux.org.uk>
Cc: LKML <linux-kernel@vger.kernel.org>,
arm-soc <linux-arm-kernel@lists.infradead.org>,
linux-drm <dri-devel@lists.freedesktop.org>,
linux-devicetree <devicetree@vger.kernel.org>,
Jyri Sarha <jsarha@ti.com>, David Airlie <airlied@linux.ie>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Subject: Re: [PATCH] ARM: dts: da850: specify max width for display node
Date: Tue, 22 Nov 2016 12:27:33 +0200 [thread overview]
Message-ID: <77c993f3-1b5f-94cf-c4bc-8a30148e0a4d@ti.com> (raw)
In-Reply-To: <1479807775-28283-1-git-send-email-bgolaszewski@baylibre.com>
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On 22/11/16 11:42, Bartosz Golaszewski wrote:
> It has been determined that the highest resolution supported correctly
> by LCDC rev1 is 800x600 on da850 due to memory bandwidth constraints.
>
> Set the max_width property in da850.dtsi to 800.
>
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> ---
> arch/arm/boot/dts/da850.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
> index 36066fa..0876238 100644
> --- a/arch/arm/boot/dts/da850.dtsi
> +++ b/arch/arm/boot/dts/da850.dtsi
> @@ -441,6 +441,7 @@
> compatible = "ti,da850-tilcdc";
> reg = <0x213000 0x1000>;
> interrupts = <52>;
> + max-width = <800>;
> status = "disabled";
> };
> };
>
Does 1024x768@10 work?
The max-width should be the hardware's maximum supported width, not used
for bandwidth. tilcdc has max-bandwidth property for that.
Tomi
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next prev parent reply other threads:[~2016-11-22 10:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-22 9:42 Bartosz Golaszewski
2016-11-22 10:27 ` Tomi Valkeinen [this message]
2016-11-22 10:30 ` Bartosz Golaszewski
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