From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Packard Subject: Re: [PATCH 12/13] drm/i915: Prevent mixing of snooped and tiling modes for old chipsets Date: Wed, 04 May 2011 10:32:04 -0700 Message-ID: References: <1302771827-26112-1-git-send-email-chris@chris-wilson.co.uk> <1302771827-26112-13-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0141935726==" Return-path: Received: from keithp.com (home.keithp.com [63.227.221.253]) by gabe.freedesktop.org (Postfix) with ESMTP id 76CFD9E95B for ; Wed, 4 May 2011 10:32:07 -0700 (PDT) In-Reply-To: <1302771827-26112-13-git-send-email-chris@chris-wilson.co.uk> 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: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org --===============0141935726== Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" --=-=-= Content-Transfer-Encoding: quoted-printable On Thu, 14 Apr 2011 10:03:46 +0100, Chris Wilson = wrote: > Older chipsets do not support snooping (i.e. cache sharing between the > CPU and GPU) on tiled surfaces. So prevent userspace from being silly > should we one day expose the ability to change cache levels from > userspace. We will not need this as there is no plan to have user-mode use snooped access on older chipsets. =2D-=20 keith.packard@intel.com --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iD8DBQFNwY2UQp8BWwlsTdMRAui4AKC4BAVjV1rs1IdukWNNvO2Urx37AACgwmk9 4G8aQH2JHlfu98dvhE1BI8g= =2h/Y -----END PGP SIGNATURE----- --=-=-=-- --===============0141935726== 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 --===============0141935726==--