[PATCH 0/5] Fixes for MST (daisy-chain and 4k tiles)

[Alex Deucher]

On Mon, Jan 25, 2016 at 1:55 PM, Wentland, Harry <Harry.Wentland at amd.com> wrote:
> Hi Dave,
>
> I've been running with lockdep with these changes for over a week now. Just ran another test with our daisy-chain displays and the 4k tiled display with no deadlocks or lockdep prints (other than "RCU lockdep checking is enabled.").
>

Dave, do you want to pick these up directly or should I pull them into
my -fixes tree?

Alex

> Thanks,
> Harry
>
> ________________________________________
> From: Dave Airlie <airlied at gmail.com>
> Sent: Sunday, January 24, 2016 11:53 PM
> To: Wentland, Harry
> Cc: dri-devel
> Subject: Re: [PATCH 0/5] Fixes for MST (daisy-chain and 4k tiles)
>
> On 23 January 2016 at 08:07, Harry Wentland <harry.wentland at amd.com> wrote:
>> A couple of MST fixes to bugs in the framework that we encountered when
>> testing with
>>   - three-display daisy-chain configurations
>>   - 4k tiled displays
>
> Hi Harry,
>
> these all look pretty good to me, have you tested them with lockdep enabled?
>
> I had started to fix the CSN/GUID one here a little while back but it's sitting
> on a laptop I can't access at the moment.
>
> But if you can test with lockdep, and it doesn't deadlock, then I'm happy
> to accept these..
>
> Reviewed-by: Dave Airlie <airlied at redhat.com>
>
> Dave.
>>
>> Andrey Grodzovsky (1):
>>   drm/dp/mst: Reverse order of MST enable and clearing VC payload table.
>>
>> Harry Wentland (2):
>>   drm: Add drm_fixp_from_fraction and drm_fixp2int_ceil
>>   drm/dp/mst: Calculate MST PBN with 31.32 fixed point
>>
>> Hersen Wu (1):
>>   drm/dp/mst: move GUID storage from mgr, port to only mst branch
>>
>> Mykola Lysenko (1):
>>   drm/dp/mst: change MST detection scheme
>>
>>  drivers/gpu/drm/drm_dp_mst_topology.c | 180 +++++++++++++++++-----------------
>>  include/drm/drm_dp_mst_helper.h       |  25 ++---
>>  include/drm/drm_fixed.h               |  54 +++++++++-
>>  3 files changed, 154 insertions(+), 105 deletions(-)
>>
>> --
>> 2.1.4
>>
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