From: Keith Packard Subject: Re: [PATCH] drm/i915: be sure panel is powered up in eDP configs Date: Wed, 14 Jul 2010 17:27:38 -0700 Message-ID: References: <20100714154056.208b30c9@virtuousgeek.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0198931325==" Return-path: Received: from keithp.com (home.keithp.com [63.227.221.253]) by gabe.freedesktop.org (Postfix) with ESMTP id 254789E777 for ; Wed, 14 Jul 2010 17:27:45 -0700 (PDT) In-Reply-To: <20100714154056.208b30c9@virtuousgeek.org> 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: Jesse Barnes , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org --===============0198931325== Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" --=-=-= Content-Transfer-Encoding: quoted-printable On Wed, 14 Jul 2010 15:40:56 -0700, Jesse Barnes = wrote: > Fixes https://bugs.freedesktop.org/show_bug.cgi?id=3D28739. We need to > enable power to the panel with the AUX VDD bit in order to properly > detect the eDP attached panel, and we also need to turn the panel on in > case it was off when we started (as happens at resume time). >=20 > But this patch raises a couple of questions: > 1) why does the first panel on sequence time out? > 2) why do I need to unlock the panel protected regs? >=20 > Keith, I think this is your code, any ideas? I just wrote the DP code, not the eDP code. I haven't any idea why the panel on sequence is timing out, although I note that you unlock the panel regs after turning it on... =2D-=20 keith.packard@intel.com --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iD8DBQFMPlX6Qp8BWwlsTdMRAhKnAKCfX1KYudIpIdb8PYK9YySs9pxqWgCff7dm vqvmUYvo7vvVkPkre1fFMjY= =fF7h -----END PGP SIGNATURE----- --=-=-=-- --===============0198931325== 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 --===============0198931325==--