Date: Tue, 7 May 2013 17:12:12 +0300 From: Sergey Jamy <jamy023@gmail.com> To: =?ISO-8859-1?Q?Jean=2DS=E9bastien_P=E9dron?= <dumbbell@freebsd.org> Cc: freebsd-x11@freebsd.org Subject: Re: Status of ATI video acceleration support? Message-ID: <CAHKs5Ygi0Eqjb4FND9-gWDCuM_qVVY2oxHOvQOJFO%2BnTADSCJA@mail.gmail.com> In-Reply-To: <5188F61A.9020806@FreeBSD.org> References: <53471.1367887450@server1.tristatelogic.com> <CAHKs5YizFidbG=52SBiD5ctvQubyKf-gWH%2BM-Qz-PcSR_Hjtpw@mail.gmail.com> <5188C489.3040808@dumbbell.fr> <CAHKs5YipvnuVtTG6Qbm9A5P9h=qPPK6jw56DSb5o3_vX19Jr8A@mail.gmail.com> <5188F61A.9020806@FreeBSD.org>
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I understand sailing along the path of least resistance... 2013/5/7 Jean-S=E9bastien P=E9dron <dumbbell@freebsd.org> > On 07.05.2013 11:33, Sergey Jamy wrote: > > Who is this "Radeon X.Org"? I am know X.Org and radeon (AMD). > > The complete quote would be "Radeon X.Org driver" and the real name of > the project is xf86-vidoe-ati: > http://www.x.org/wiki/radeon > http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/ > > This corresponds to the userland-side of the driver for AMD GPUs. Before > the 7.0.0 release, this project comprised two drivers: > 1. the UMS driver ("User Mode Setting", which we still use on > FreeBSD). > 2. the KMS driver ("Kernel Mode Setting"). > > Starting from 7.0.0, only the KMS driver remains. > > > AMD has official support for freebsd? > > No. > > > Why we can't have self Radeon X.Org? Whatever we patching their > > code for compatibility with our kernel and (maybe) stdlibC. > > I'm not sure I understand your question. We should not have to patch > anything in xf86-video-ati (maybe some small changes), because the > userland part of the driver (libdrm, xf86-video-ati, Mesa) uses standard > syscalls and DRM-defined ioctls. > > > Who prevents us from having your driver? Perhaps even the > > manufacturer will participate. For example, as was the case with > > ACPI. > > AMD already employs several developers working on the opensource driver > (both the kernel part in Linux and the userland part in libdrm, > xf86-video-ati and Mesa). The kernel part is what we're working on for > FreeBSD. Other OSes are making progress too. The userland part should be > reusable by non-Linux systems anyway. If it's not the case, we'll work > with upstream developers for sure. > > -- > Jean-S=E9bastien P=E9dron > >
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