From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Packard Subject: Re: [PATCH 1/2] drm/i915: re-enable semaphores by default Date: Wed, 16 Nov 2011 09:16:33 -0800 Message-ID: References: <1321303155-12624-1-git-send-email-eugeni.dodonov@intel.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============2083009445==" Return-path: Received: from keithp.com (home.keithp.com [63.227.221.253]) by gabe.freedesktop.org (Postfix) with ESMTP id D2D07A0C9E for ; Wed, 16 Nov 2011 09:16:36 -0800 (PST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Daniel Vetter , Eugeni Dodonov Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org --===============2083009445== Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" --=-=-= Content-Transfer-Encoding: quoted-printable On Wed, 16 Nov 2011 16:49:40 +0100, Daniel Vetter = wrote: > So we need to check whether DMAR is enabled (on the > entire system, i.e. the variable exported for the ilk workaround is > not good enough) Can you figure out what *would* be sufficient? Getting semaphores turned on for the 99% who aren't enabling VT-d would be a fairly nice performance improvement. =2D-=20 keith.packard@intel.com --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUBTsPv8TYtFsjWk68qAQhJug/7BGy/mXNVKNM+KzQUzdu7e05mRUPLDNjo 9hEXIuzGoqe/mD9dVefaTqHfJGpBWe20DSAGpgmKSp9qTQGBA/ytliqCQ+WRBoGD yNetuiulE/NsD0NfUzwxHybqOAKl0k3cMMTEZYxXr2kgpR8k+C+FZ5CwXzBmUBaJ /BJZROsfXEaw8I5yjNCrOUv5c8Jit4+ZH9ovn7T98OUwVi8omq1H7atw9J8IQGN7 kTuV5mxtrpvltXR2jXhyDK7BIy4gIbzp90GxznepoLfNx/T8swZhk//BO1RQVVQp rK2BH0ESde1cpt/zhH5NItH5nOsYxYZtvE3C4nJGLksVM5IKx4/PCStoK1xLuojK JiHFbHEYgUswH+mT9NnXlHhxQUA15L62o7oh168YZu1qtqjjoGZQbTliRCDOWj0F AfMbX5vIj6jTMqnTQoyP+N8M26GAPm/Gw15A6C+9M0b4aGNnk4v9sZOuCfTuDiuj 18mbf60Gx+UK7HdFR+hfzsSWMAwKSqZnlud4rHtQr3zW2iX4Ouj+npPo6Bb/WCIW hdgHKOprPkP5y9OjBjVT1YAw48wGBptwg5vIlkgkNYkcTZcZvoafmyzFtIAKZVrz XvD4HmUpxeph26NmFRNv9CPT5exnkYMl3nbV4LU8Hzc4o8UMYrYPjHqxot6oCdB/ o8ZMMER0Hf0= =HW0R -----END PGP SIGNATURE----- --=-=-=-- --===============2083009445== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx --===============2083009445==--