From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [PATCH] drm/i915: quirk away broken OpRegion VBT Date: Wed, 28 Mar 2012 12:35:50 -0700 Message-ID: <20120328123550.28e6689a@jbarnes-desktop> References: <1332629490-6219-1-git-send-email-daniel.vetter@ffwll.ch> <1332630192_79110@CP5-2952> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1899441302==" Return-path: Received: from oproxy9.bluehost.com (oproxy9.bluehost.com [69.89.24.6]) by gabe.freedesktop.org (Postfix) with SMTP id E4BC2A0E45 for ; Wed, 28 Mar 2012 12:35:54 -0700 (PDT) In-Reply-To: <1332630192_79110@CP5-2952> 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 Cc: Daniel Vetter , Intel Graphics Development , stable@kernel.org List-Id: intel-gfx@lists.freedesktop.org --===============1899441302== Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/BJa54W/el5=/vJb5gpD_9M/"; protocol="application/pgp-signature" --Sig_/BJa54W/el5=/vJb5gpD_9M/ Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Sat, 24 Mar 2012 23:03:08 +0000 Chris Wilson wrote: > On Sat, 24 Mar 2012 23:51:30 +0100, Daniel Vetter wrote: > > Somehow the BIOS manages to screw things up when copying the VBT > > around, because the one we scrap from the VBIOS rom actually works. > >=20 > > Cc: stable@kernel.org > > Tested-by: Markus Heinz > > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=3D28812 > > Signed-Off-by: Daniel Vetter >=20 > That completely disproves my theory that the BIOS writers that went to > the extra trouble to implement the OpRegion specification would be more > likely to get it right and to make the information stored there accurate. >=20 > Acked-by: Chris Wilson On some platforms OpRegion is the *only* way to get the VBT reasonably... but quirking around broken ones is fine (though I suspect we're not doing something right; the OpRegion VBT ought to be fine). --=20 Jesse Barnes, Intel Open Source Technology Center --Sig_/BJa54W/el5=/vJb5gpD_9M/ Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBAgAGBQJPc2gWAAoJEIEoDkX4Qk9hBjwQAITIZW0PQseEyCApm5dmPyNt e8D17H7m8qvTPBuHncUXlZAvtTOFHqOVtg4RmNVrL6v5qJu1XPusIwDWAryR1zik sPy7uqKHPvZeWVhEIogqAZukz0VOHATUbzXkctq/GIcFANAvsrzHS7d6GMZkB6tu W9a4BcsQBSiyDkzgsymdGjAWSPtCRCxb8qGDXbYzpxstMIaSc0MyJlV5Ykwl41US b864E54XNZMC6YTAd++U8Kr4Z3R96DVSuFdahQ8qXKEsj3xuiNfHdpuJ+p0E90Nq lbvjBtTXXNoRkS4k/Boz6yIgd1YQvuJV74KvviA0ELCbYn/BQnQW0E6GeaToLqbX TZ9A78JiblZM+cuOG0H5aQj4rP7rMsy0SRMau2oNblo0d8QE+jMLkhpJP5BjcJ1i g5RNaW2JuTcGFo1Gf8BLK0dd+BZ28baZ04ti1qZU5kuq+4v/L3ZkaWi49Jd/r9WE q32r4DMQel7TI92vyMXjMTyqvLk1HUQ4ARQm+wIlMTWFFdPbGSz7mXlTqrOb0UCQ vaEPpWNoJwNfaouLsIndHO41PTrULRaE4XiYLyvxw6gv83lAIumFHH8fBs1cQAnn B0zqV8CAQmcIjV3bP13Ttt9iujUy2nk7h1Pcp0ieTi+Bdlc6KBtus9V7Idn5bD6g 9QJ3x9srFfl+QS3IN/jS =/cAK -----END PGP SIGNATURE----- --Sig_/BJa54W/el5=/vJb5gpD_9M/-- --===============1899441302== 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 --===============1899441302==--