From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Date: Tue, 30 Apr 2013 11:49:28 +0000 Subject: Re: [PATCH V2] video: implement a simple framebuffer driver Message-Id: <124304591.tbnLlR41q2@avalon> MIME-Version: 1 Content-Type: multipart/mixed; boundary="nextPart2710109.8gOsri3Y4h" List-Id: References: <1365043183-28905-1-git-send-email-swarren@wwwdotorg.org> <1547536.Us4pVspuI2@avalon> <517FAF78.1010306@ti.com> In-Reply-To: <517FAF78.1010306@ti.com> To: linux-arm-kernel@lists.infradead.org --nextPart2710109.8gOsri3Y4h Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" On Tuesday 30 April 2013 14:48:08 Tomi Valkeinen wrote: > On 04/30/2013 02:42 PM, Laurent Pinchart wrote: > > On Tuesday 30 April 2013 12:28:42 Arnd Bergmann wrote: > >> On Tuesday 30 April 2013, Tomi Valkeinen wrote: > >>> The bootloader would init the display hardware, the bootfb would give an > >>> early /dev/fb0 for the kernel and userspace, and when the real display > >>> driver is loaded, the bootfb would be unbound and the real driver would > >>> take over. > > > > This could be done with a KMS driver as well ;-) > > Right, I forgot to mention that. I had it in mind also =). > > DRM has the same problem as fbdev with multi-arch and lots of display > and panel drivers. > > Probably the same bootfb could be used for DRM also. Or do you see any > benefit of having a "bootkms" driver, or such? As part of the (long term) effort to deprecate fbdev I would of course prefer a bootkms driver. The KMS fbdev emulation layer would provide fbdev compatibility for free during the transition. -- Regards, Laurent Pinchart --nextPart2710109.8gOsri3Y4h Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQEcBAABAgAGBQJRf6/NAAoJEIkPb2GL7hl1c3sIAIZZdaRLBo+Hus0WbLtABrCK CkCYelaTN4BDe25gcBeCx4Ns/7+9d0GS1O1Zbe6EWZDwi31ZrU7d8bpqvsfHqbjC 5EOOemg9tBaYBirrM1Mip7CKUK1dD/BJjwgHhK5HUIzASlLcPO4jfUHUF5CBn9Q1 bj6po94j4RDQ1eq0andgRSIO/5KwHtHCo4anXYLYQm/hz6bTByEVQ3uTPwZZSUBH CtpLobbpnmfdupfZlFE2coFpLYg2ssbtxhAfQMiV5YSfjtDVuIh3z2MIytsSEjIZ GIcOwhMULf6tHq82UYTllbddTwjXEIyChgSCVRkk3Hlj2Owy3I9P11bboR9JAZI= =D52O -----END PGP SIGNATURE----- --nextPart2710109.8gOsri3Y4h--