From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Waitz Subject: Re: [Linux-fbdev-devel] Generic VESA framebuffer driver and Video card BOOT? Date: Tue, 19 Oct 2004 18:57:20 +0200 Sender: linux-kernel-owner@vger.kernel.org Message-ID: <20041019165720.GF3618@admingilde.org> References: <416E6ADC.3007.294DF20D@localhost> <20041018121033.GB5106@bytesex> <20041018202147.GA28720@hh.idb.hist.no> <200410182242.04749.oliver@neukum.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="FeAIMMcddNRN4P4/" Return-path: Content-Disposition: inline In-Reply-To: <200410182242.04749.oliver@neukum.org> List-Id: Cc: Helge Hafting , Gerd Knorr , linux-fbdev-devel@lists.sourceforge.net, Linux Kernel Development , penguinppc-team@lists.penguinppc.org --FeAIMMcddNRN4P4/ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Oct 18, 2004 at 10:42:04PM +0200, Oliver Neukum wrote: > Am Montag, 18. Oktober 2004 22:21 schrieb Helge Hafting: > > > On first access only, and even that only if the driver doesn't map the > > > pages at mmap() time already. ?Not a single fb driver seems to map the > > > pages lazy today, grepping in drivers/video for nopage handles shows > > > nothing. ?I'm not sure you can actually do that for iomem mappings. > > >=20 > > Isn't it possible for the driver to unmap the mapping when > > suspending? ?Then you're guaranteed to get that first access. >=20 > But what would you do then? Block everything that is using a terminal? yes but that wouldn't last long if you run the userspace helper as soon as you are finished resuming. One 'only' needs a method to give feedback while loading the image... I guess we have to rely on the firmware here. (Eighter it already sets an useable mode or provides a function that can display test) --=20 Martin Waitz --FeAIMMcddNRN4P4/ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFBdUdvj/Eaxd/oD7IRAqujAJoDEg5BLRKM51a58fZPgqcOdZZu2QCfRCoI rVob2PU1RxE+a6bZQzT29CE= =SVtM -----END PGP SIGNATURE----- --FeAIMMcddNRN4P4/--