Re: More breakage on HD7480D [ Aruba ]

[Christian KÃnig]

Hi Ken,

*sigh* did I already mentioned that I hate PLLs? As soon as you fix 
something another use case immediately starts to break.

Please provide dmesg output created with drm.debug=0xe with and without 
the patch breaking it.

Thanks in advance,
Christian.

Am 12.05.2014 03:03, schrieb Ken Moffat:
> On Mon, May 12, 2014 at 01:34:06AM +0100, Ken Moffat wrote:
>
>   /me swears at myself for failing to copy to lkml.
>
> > Hi Christian, Alex -
> >
> >   my A4 Trinity (Radeon HD7480D) was working fine by -rc3.  But now
> > that I've tested it in -rc5 it is again broken (the screen goes
> > blank when KMS starts).  Bisection blames:
> >
> > 3b333c55485fef0089ae7398906599d000df195e is the first bad commit
> > commit 3b333c55485fef0089ae7398906599d000df195e
> > Author: Christian KÃnig <christian.koenig@xxxxxxx>
> > Date:   Thu Apr 24 18:39:59 2014 +0200
> >
> >      drm/radeon: avoid high jitter with small frac divs
> >      
> >      Signed-off-by: Christian KÃnig <christian.koenig@xxxxxxx>
> >
> >   Reverting that from current HEAD [
> >
> > commit 7e338c9991ecee9c2ac7a4cee2c2e11ecb563d02
> > Merge: 9cf22e80df77 aa07c713ecfc
> > Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> > Date:   Sun May 11 18:06:13 2014 +0900
> >
> >      Merge branch 'for-3.15' of git://linux-nfs.org/~bfields/linux
> >      
> >      Pull nfsd fixes from Bruce Fields.
> >
> > ]
> > makes it again boot.
> >
> >   Note to Alex - 3.15 has been an "interesting" cycle - you fixed my
> > earlier problem, despite my non-response, and thanks again for that.
> > After that, my other radeon broke after -rc2 (I retested it after
> > rc4 and found that although rc4 was broken, HEAD was fixed, so
> > thanks also for that.  Then I retested this one for -rc5.  It seems
> > that my boxes always break when I don't have time to test new
> > releases :-(
> >
> > Äen
> > --
> > das eine Mal als TragÃdie, dieses Mal als Farce

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