From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Mon, 5 Sep 2016 22:37:07 +0200 Subject: [PATCH 0/7] drm/sun4i: Introduce A33 display driver In-Reply-To: References: <20160901153204.11217-1-maxime.ripard@free-electrons.com> <18951472779805@web6g.yandex.ru> <20160902190605.GF6313@lukather> Message-ID: <20160905203707.GF8596@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Sat, Sep 03, 2016 at 09:43:59AM +0800, Chen-Yu Tsai wrote: > On Sat, Sep 3, 2016 at 3:06 AM, Maxime Ripard > wrote: > > Hi Icenowy, > > > > On Fri, Sep 02, 2016 at 09:30:05AM +0800, Icenowy Zheng wrote: > >> > >> > >> 01.09.2016, 23:40, "Maxime Ripard" : > >> > Hi everyone, > >> > > >> > This serie introduces the support in the sun4i-drm driver for the A33. > >> > > >> > Beside the new IPs and special cases for the A33 new IPs, there's > >> > nothing really outstanding, and is now at feature parity with the A13. > >> > >> How can the driver be modified to support LVDS screen? > >> > >> I have an A33 tablet with a 1024x768 LVDS panel. (iNet D978 Rev2 board, > >> which I pushed a dt a few days ago) > > > > Awesome, I don't have such a screen myself, so feel free to work on > > it. > > > > I haven't looked into the details of LVDS, but it should be something > > along the lines of commit 29e57fab97fc ("drm: sun4i: Add RGB output"). > > The implementation might be along the lines of > > 1. having multiple output ports, each for a different interface type. > (Some platforms go this route) > > Or > > 2. having a DT property describe what the output interface is. > > The RGB/TCON driver would then setup the registers accordingly. Hmmm, yeah, we would need to adjust the bindings too... I guess I'd prefer 1), but that would also be the most invasive solution. I'm not sure how the DT maintainers feel about that. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: not available URL: