From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ed Tomlinson Subject: Re: [git pull] drm fixes Date: Tue, 22 Apr 2014 11:46:28 -0400 Message-ID: <10435496.M4aSBzoVye@grover> References: <2619529.mEMJol0YfM@grover> <1549585.kmUPduLgev@grover> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <1549585.kmUPduLgev@grover> Sender: linux-kernel-owner@vger.kernel.org To: Dave Airlie Cc: torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, DRI mailing list , Christian =?ISO-8859-1?Q?K=F6nig?= , Alex Deucher List-Id: dri-devel@lists.freedesktop.org On Monday 21 April 2014 17:26:15 Ed Tomlinson wrote: > On Monday 21 April 2014 15:08:24 Ed Tomlinson wrote: > > On Monday 21 April 2014 10:25:25 Ed Tomlinson wrote: > > > On Saturday 19 April 2014 21:03:05 Markus Trippelsdorf wrote: > > > > On 2014.04.19 at 08:19 +0100, Dave Airlie wrote: > > > > >=20 > > > > > Unfortunately this contains no easter eggs, its a bit larger = than I'd=20 > > > > > like, but I included a patch that just moves code from one fi= le to another=20 > > > > > and I'd like to avoid merge conflicts with that later, so it = makes it seem=20 > > > > > worse than it is, > > > >=20 > > > > > Christian K=C3=B6nig (2): > > > > > drm/radeon: apply more strict limits for PLL params v2 > > > > > drm/radeon: improve PLL params if we don't match exactl= y v2 > > > >=20 > > > > commit f8a2645ecede4eaf90b3d785f2805c8ecb76d43e > > > > Author: Christian K=C3=B6nig > > > > Date: Wed Apr 16 11:54:21 2014 +0200 > > > >=20 > > > > drm/radeon: improve PLL params if we don't match exactly v2 > > > >=20 > > > > The commit above causes my monitor to just stay blank after boo= t. > > > > No framebuffer, no Xorg, no nothing. I'm using a Radeon RS780. >=20 > Reverting=20 >=20 > commit 379dfc25e257ffe10eb53b86d2375f7c0f4f33ef > Author: Alex Deucher > Date: Mon Apr 7 10:33:46 2014 -0400 >=20 > drm/radeon/dp: switch to the common i2c over aux code > =20 > Provides a nice cleanup in radeon. > =20 > Signed-off-by: Alex Deucher > Signed-off-by: Christian K=C3=B6nig >=20 > Restores the display - no more i2c errors This fixed here without reverts by the patch from Alex Deucher attached= in the thread:=20 "Re: 3.15.0-rc2 radeon HD 7480D [Aruba] blank display" Thanks Ed > > > I have the same symptoms with rc2 and a r7 260x using display por= t. I cannot=20 > > > seem to get a dmesg of a failure (I _really_ need to figure out h= ow to add > > > a serial console). I'll try reverting once I figure out how to g= et pacman to > > > do a revert when building from git. > >=20 > > Neither reverting the above patch or add the fix from "https://bugs= =2Efreedesktop.org/show_bug.cgi?id=3D77673" > > helps here. I managed to get dmesg(s) from 14.1 and 15-rc2. The m= ajor difference has to do with i2c. On the > > 14.1 kernel I see: