From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Clark, Rob" Date: Thu, 17 Feb 2011 15:25:48 +0000 Subject: Re: [PATCH] i.MX23/28 framebuffer driver Message-Id: List-Id: References: <1297257651-8002-1-git-send-email-s.hauer@pengutronix.de> <201102091731.07794.arnd@arndb.de> <201102161322.08126.arnd@arndb.de> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: linux-arm-kernel@lists.infradead.org Hmm, I was thinking more on the xf86 side of things.. ie. to provide default implementations of xf86CrtcFuncsRec and xf86OutputFuncsRec functions.. BR, -R On Wed, Feb 16, 2011 at 7:24 PM, Jammy Zhou wrote: > > There is already one KMS abstraction layer (libkms.so) in libdrm, maybe i= t can serve as what we needed. > > Regards, > Jammy > > On Thu, Feb 17, 2011 at 9:08 AM, Clark, Rob wrote: >> >> I'm still in the learning-as-I-go phase here, so definitely not ready >> to propose a solution, but it does seem to me like there is room for >> some sort of kms-helper library here to handle more of the boilerplate >> xf86-video-* stuff.. =A0I guess I'll have a better picture once I have a >> chance to add support for the various multi-monitor configurations. >> But certainly would be interested if anyone already has some ideas. >> >> BR, >> -R >> >> On Wed, Feb 16, 2011 at 8:42 AM, Jesse Barker = wrote: >> > Speaking for the Linaro graphics working group, I think it's great.=A0= And, I >> > think you're right, that if enough of the KMS support in xf86-video-* = is >> > similar enough (I was only aware of intel and nouveau supporting it pr= operly >> > at current), pulling it out into a common layer would make it easier to >> > support in new drivers (including fbdev). >> > >> > cheers, >> > Jesse >> > >> > On Wed, Feb 16, 2011 at 4:22 AM, Arnd Bergmann wrote: >> >> >> >> On Tuesday 15 February 2011, Clark, Rob wrote: >> >> > I'd been experimenting a bit on the side w/ the DRM driver framewor= k ( >> >> > >> >> > http://gitorious.com/~robclark/pandaboard/robclarks-kernel-omap4/co= mmits/omap_gpu >> >> > ), but had to add a good chunk of mostly boilerplate code to our xo= rg >> >> > driver in order just to test it. =A0Maybe some generic support for = KMS >> >> > in xf86-video-fbdev would have made this easier to develop the kern= el >> >> > part without in parallel having to implement the userspace part. = =A0I'm >> >> > not sure if this is the sort of thing the linaro-wg has in mind? >> >> >> >> I'm not sure what the the linaro multimedia wg thinks of this, but the >> >> kernel code you linked looks like it's doing exactly the right thing. >> >> >> >> =A0 =A0 =A0 =A0Arnd >> >> >> >> _______________________________________________ >> >> linaro-dev mailing list >> >> linaro-dev@lists.linaro.org >> >> http://lists.linaro.org/mailman/listinfo/linaro-dev >> > >> > >> >> _______________________________________________ >> linaro-dev mailing list >> linaro-dev@lists.linaro.org >> http://lists.linaro.org/mailman/listinfo/linaro-dev >