From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Jackson Subject: Re: [PATCH 1/2] drm/i915: add sanity checks for hsync and htotal Date: Wed, 20 Jun 2012 17:36:26 -0400 Message-ID: <1340228186.14667.7.camel@atropine> References: <68e45eed497d3fef1ee9756f4648eb97b7fdd4aa.1340222977.git.jani.nikula@intel.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0467967411==" Return-path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTP id 3CC769E748 for ; Wed, 20 Jun 2012 14:36:32 -0700 (PDT) In-Reply-To: <68e45eed497d3fef1ee9756f4648eb97b7fdd4aa.1340222977.git.jani.nikula@intel.com> 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: Jani Nikula Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org --===============0467967411== Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-CspT7x6LgqTDEoDrrEFW" --=-CspT7x6LgqTDEoDrrEFW Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2012-06-20 at 23:15 +0300, Jani Nikula wrote: > Restrict hsync start, end, hdisplay and htotal to be according to hw > spec. Through drm_mode_set_crtcinfo(), these will also limit hblank start= , > end. I'm pretty sure any physical hardware would balk at modes like this. Virtual framebuffers probably wouldn't care, I guess. Still, seems wrong to have this in i915 when it should be common. Is this a problem we've seen in the wild, or is this just paranoia? - ajax --=-CspT7x6LgqTDEoDrrEFW 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 v1.4.11 (GNU/Linux) iEYEABECAAYFAk/iQloACgkQW4otUKDs0NPTywCg4+pX3qheqXZDzKDME/5BzzEh R8EAoLy3x/nyGmXgEwfbLNVp3EGZ1F4N =Ak3x -----END PGP SIGNATURE----- --=-CspT7x6LgqTDEoDrrEFW-- --===============0467967411== 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 --===============0467967411==--