From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kamal Mostafa Subject: Re: i915 PCH backlight vs. Dell XPS13 Date: Tue, 12 Feb 2013 10:35:14 -0800 Message-ID: <1360694114.21346.85.camel@fourier> References: <1360352163.14891.44.camel@fourier> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1179391454==" Return-path: Received: from youngberry.canonical.com (youngberry.canonical.com [91.189.89.112]) by gabe.freedesktop.org (Postfix) with ESMTP id A12A3E5D1A for ; Tue, 12 Feb 2013 10:35:00 -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 Cc: intel-gfx , Paulo Zanoni List-Id: intel-gfx@lists.freedesktop.org --===============1179391454== Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-QagMQzR3Z+Ds2QOaYdp/" --=-QagMQzR3Z+Ds2QOaYdp/ Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, Feb 8, 2013 at 8:36 PM, Kamal Mostafa wrote: > > Daniel's backlight fixes which landed in 3.6 did enable working > > backlight controls on the XPS13, but it appears that this commit from > > Paolo broke it again: > > a4f32fc drm/i915: don't forget the PCH backlight registers On Fri, 2013-02-08 at 20:55 +0100, Daniel Vetter wrote: > You might want to try the latest drm-intel-nightly git branch from > http://cgit.freedesktop.org/~danvet/drm-intel This has a few more > tricks which helped on some similar platforsm to yours (and similar > resume issues). Yes indeed, this commit from drm-intel-nightly does fix the problem: "drm/i915: write backlight harder". Thanks as always, for your help Daniel! -Kamal --=-QagMQzR3Z+Ds2QOaYdp/ 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) iQIcBAABCAAGBQJRGotiAAoJEHqwmdxYrXhZqRoP/imZ/huq6NvtQpwvmlRDqtmo bX6eWCMcIE7gJpU9bGQkiZWKTi6wdjA51olh/LXYjlE8sni4h2rFzAaU1ssQh38j 9PDVX1e++K8OQnLsyhiOVk+B35IaoOt4LY5J6P8gSuKNc6a8mNkklz1KVLHQF9RW WyqkrL7pOQEqhuM2Y+Jkiw5ltPclj2bdqtHUq/PU1lFnPf4K2ue81WwOukJ/3zZs dHRFcf8QZZPoMvbtoYeGUpMh/QSS/Nzh2VKp7Y4dpfnbldUMA2YdkI8wnlKVKl7k RWt4jCUgfmGAzYAnG7X+hixMiC1NB4Tcn3fUzIzzHGyeHjAo+dR4R2GR7wdObuAU ScUSaJx+Lwhyp4VAh4wDTWupHA46oE94JMgir7nYz+7c3rBnou48g6ZhPWwCvm/b edmaEAcZP9OBqHtolZ8i8955S2ceFK2LiSfocUYWaptRpy2yexLF/okJUc1A0jKM omIgo/zkVyYFLaxl3AL4xI6UtidRGeWpn9HRFsUHZ8lRHccoa6fhqnjbeZAzXcVG 0U43fbnCoFMG3gGYKRU6qefxMep9H8Q6/xZfGO3DbYoLAbUEddozvLcZSvgzwBwJ mbIhZ0Og+bq3n+b6Zafm1OhcFBsswVaAdKCXU4VmsctrXyFlinMac8NjxjGtrQha UPUhw0eTZUp/uoBU0zkd =51Y5 -----END PGP SIGNATURE----- --=-QagMQzR3Z+Ds2QOaYdp/-- --===============1179391454== 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 --===============1179391454==--