[Bug 76554] [gm45 regression] [drm:init_ring_common]: *ERROR* render ring initialization failed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76554

--- Comment #81 from Jiri Kosina <jikos at jikos.cz> ---
Created attachment 104212
  --> https://bugs.freedesktop.org/attachment.cgi?id=104212&action=edit
dmesg with patch from comment #80

Here is a dmesg from two suspend-resume cycles with Daniel's patch from comment
#80 (applied on top of all previous patches from Chris).

There seems to be a change in behavior!

Interestingly, I am not seeing

    [drm:init_ring_common] *ERROR* render ring initialization failed ....

messages any more, and seems like I am indeed running accelerated still (i.e.
the graphic seems to be still reasonably fast and usable).

For some reason there is still 

    render ring initialization failed [head now 01000000], fudging

message present though.

I will now try the patch from comment #80 on top of something more recent than
the 3.15-based branch with all Chris' patches applied, and will let you know.

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