From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= <ville.syrjala@linux.intel.com>
Subject: Re: display problems since: drm/i915/dp: workaround
 BIOS eDP bpp clamping issue
Date: Mon, 4 Nov 2013 22:08:03 +0200
Message-ID: <20131104200803.GW13047@intel.com>
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To: Cristian =?iso-8859-1?Q?Rodr=EDguez?= <crrodriguez@opensuse.org>
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On Mon, Nov 04, 2013 at 07:32:58PM +0000, Cristian Rodr=EDguez wrote:
> El 04/11/13 18:54, Cristian Rodr=EDguez escribi=F3:
> > El 04/11/13 18:40, Daniel Vetter escribi=F3:
> >
> >> It hangs on a scanline wait. Are you already on the latest version of
> >> xfree86-video-intel and if not can you please check whether it works
> >> on the latest?
> >
> > I am in version 2.99.905 , it does not appear to be a  newer snapshot
> > release.. do you want me to try a git HEAD version instead ?
> >
> >
> >
> Ok, upgraded the userspace driver to current git HEAD (last commit 4 =

> hours ago) attached is the latest errors.

0x01870000:      0x11000001: MI_LOAD_REGISTER_IMM
0x01870004:      0x00044050:    dword 1
0x01870008:      0xfffffeff:    dword 2
0x0187000c:      0x11000001: MI_LOAD_REGISTER_IMM
0x01870010:      0x0004f100:    dword 1
0x01870014:      0xe0500410:    dword 2
0x01870018:      0x01800100: MI_WAIT_FOR_EVENT, plane B scan line wait
0x0187001c:      0x11000001: MI_LOAD_REGISTER_IMM
0x01870020:      0x00044050:    dword 1
0x01870024:      0xffffffff:    dword 2

BSpec says LRIs targeting display engine register should be followed
by SRMs. Looks like the ddx doesn't follow that rule. Not sure it
has anything to do with the problem though.

-- =

Ville Syrj=E4l=E4
Intel OTC