https://bugs.freedesktop.org/show_bug.cgi?id=97594
Christian König changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://bugs.freedesktop.org/show_bug.cgi?id=97594
--- Comment #9 from Arek RuÅniak ---
Thx, works good for me.
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--- Comment #8 from Tom St Denis ---
Created attachment 126274
--> https://bugs.freedesktop.org/attachment.cgi?id=126274=edit
Patch to remove double lock
This removes the double lock. It's actually patch #9 in my yet to be RB'ed
series of SI
https://bugs.freedesktop.org/show_bug.cgi?id=97594
--- Comment #7 from Tom St Denis ---
The problem is a double lock. The grbm_idx_mutex lock is taken in
gfx_v6_0_get_cu_info() which then calls gfx_v6_0_get_cu_active_bitmap() which
also takes the lock.
The fix is to remove the lock and the
https://bugs.freedesktop.org/show_bug.cgi?id=97594
--- Comment #6 from Tom St Denis ---
The problem is a double lock. The grbm_idx_mutex lock is taken in
gfx_v6_0_get_cu_info() which then calls gfx_v6_0_get_cu_active_bitmap() which
also takes the lock.
The fix is to remove the lock and the
https://bugs.freedesktop.org/show_bug.cgi?id=97594
Michel Dänzer changed:
What|Removed |Added
CC||tom.stdenis at amd.com
--- Comment #5
https://bugs.freedesktop.org/show_bug.cgi?id=97594
--- Comment #4 from Arek RuÅniak ---
Could you share config and patchset for your preempt kernel. If I will have
some time I could build it. I'm just curious.
I know nothing about what preempt is. I think I should rather call my kernel -
https://bugs.freedesktop.org/show_bug.cgi?id=97594
--- Comment #3 from Konstantin A. Lepikhov ---
(In reply to Arek RuÅniak from comment #0)
> Created attachment 126204 [details]
> dmesg for first bad commit
>
> With this commit displays off during loading amdgpu, sysrq don't work, boot
> is
https://bugs.freedesktop.org/show_bug.cgi?id=97594
--- Comment #2 from Arek RuÅniak ---
sorry for lack of description
It's Alex's drm-next-4.9-wip branch.
First bad commit:
commit deca1d1f16eebfa0d070eed50a221e01cf716ee0
author Tom St Denis
drm/amd/amdgpu: Add GRBM lock to various SI
https://bugs.freedesktop.org/show_bug.cgi?id=97594
--- Comment #1 from Arek RuÅniak ---
Created attachment 126205
--> https://bugs.freedesktop.org/attachment.cgi?id=126205=edit
commit: deca1d1 reverted
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https://bugs.freedesktop.org/show_bug.cgi?id=97594
Bug ID: 97594
Summary: [amdgpu SI] "drm/amd/amdgpu: Add GRBM lock to various
SI functions" breaks amdgpu support for SI
Product: DRI
Version: unspecified
Hardw
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