From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Mikko Perttunen
<mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH 4/9] ARM: tegra: Add host1x, DC and HDMI to Tegra114 device tree
Date: Tue, 8 Oct 2013 13:04:05 +0200 [thread overview]
Message-ID: <20131008110404.GF19633@ulmo.nvidia.com> (raw)
In-Reply-To: <52532546.1010506-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 941 bytes --]
On Mon, Oct 07, 2013 at 03:19:02PM -0600, Stephen Warren wrote:
> On 10/07/2013 05:48 AM, Thierry Reding wrote:
> > From: Mikko Perttunen <mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> >
> > Add host1x, DC (display controller) and HDMI devices to Tegra114
> > device tree.
>
> > diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
>
> > + dc@54200000 {
> > + compatible = "nvidia,tegra114-dc", "nvidia,tegra20-dc";
>
> Is the HW really 100% backwards-compatible, such that any driver that
> only knew about the Tegra20 HW could work unmodified on Tegra114?
> Perhaps that's possible, since your large driver patch doesn't seem to
> have a patch to add Tegra114 DC support...
AFAIK the DC hasn't changed since Tegra20. Or at least not significantly
enough that it doesn't work with the generic driver. There might be more
features, but nothing backwards incompatible.
Thierry
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next prev parent reply other threads:[~2013-10-08 11:04 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-07 11:48 [PATCH 0/9] ARM: tegra: Enable DSI and panel support Thierry Reding
[not found] ` <1381146528-18069-1-git-send-email-treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-07 11:48 ` [PATCH 1/9] ARM: tegra: Enable LVDS and HDMI on Cardhu Thierry Reding
2013-10-07 11:48 ` [PATCH 2/9] ARM: tegra: Enable LVDS output on Harmony Thierry Reding
[not found] ` <1381146528-18069-3-git-send-email-treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-07 21:14 ` Stephen Warren
[not found] ` <52532432.6040101-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-08 9:55 ` Thierry Reding
2013-10-07 11:48 ` [PATCH 3/9] ARM: tegra: Add MIPI calibration DT entries for Tegra114 Thierry Reding
[not found] ` <1381146528-18069-4-git-send-email-treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-07 21:16 ` Stephen Warren
[not found] ` <5253249B.6010008-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-08 10:05 ` Thierry Reding
[not found] ` <20131008100529.GE19633-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2013-10-08 16:17 ` Stephen Warren
2013-10-07 11:48 ` [PATCH 4/9] ARM: tegra: Add host1x, DC and HDMI to Tegra114 device tree Thierry Reding
[not found] ` <1381146528-18069-5-git-send-email-treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-07 21:19 ` Stephen Warren
[not found] ` <52532546.1010506-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-08 11:04 ` Thierry Reding [this message]
2013-10-07 11:48 ` [PATCH 5/9] ARM: tegra: Add Tegra114 DSI support Thierry Reding
[not found] ` <1381146528-18069-6-git-send-email-treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-07 21:21 ` Stephen Warren
[not found] ` <525325C2.10107-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-08 11:07 ` Thierry Reding
2013-10-07 11:48 ` [PATCH 6/9] ARM: tegra: Add Tegra114 gr2d support Thierry Reding
2013-10-07 11:48 ` [PATCH 7/9] ARM: tegra: Enable DSI support on Dalmore Thierry Reding
[not found] ` <1381146528-18069-8-git-send-email-treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-07 21:25 ` Stephen Warren
[not found] ` <525326E0.7080703-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-08 11:22 ` Thierry Reding
2013-10-07 11:48 ` [PATCH 8/9] ARM: tegra: Enable HDMI " Thierry Reding
2013-10-07 11:48 ` [PATCH 9/9] ARM: tegra: Enable DRM panel support Thierry Reding
2013-10-07 21:27 ` [PATCH 0/9] ARM: tegra: Enable DSI and " Stephen Warren
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