* [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm
@ 2017-06-29 17:58 bugzilla-daemon
2017-06-29 17:58 ` bugzilla-daemon
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0 siblings, 6 replies; 7+ messages in thread
From: bugzilla-daemon @ 2017-06-29 17:58 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=101651
Bug ID: 101651
Summary: [radeonsi][hawaii] Borderlands 2 rendering issues with
recent mesa/llvm
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/radeonsi
Assignee: dri-devel@lists.freedesktop.org
Reporter: ptpzz@yandex.ru
QA Contact: dri-devel@lists.freedesktop.org
Created attachment 132354
--> https://bugs.freedesktop.org/attachment.cgi?id=132354&action=edit
screenshot (wrong rendering)
AFAICS it's related to the VCCZ bug. There is a workaround for SI/CIK in the
AMDGPU LLVM backend (SIInsertWaitcnts.cpp) but it doesn't handle this case.
The attached patch fixes it for me by relaxing the workaround condition, but
probably it can be improved if there is a detailed info on that bug. OTOH I
guess it won't have a noticeable effect on performance anyway, so maybe it's
safer to use the patch as is.
The issue is reproducible with the reduced OpenCL test in the attachment:
$ make
// run on cpu - reference result
$ ./testcpu
117
// OpenCL/gpu - wrong result
$ LD_PRELOAD=/opt/llvm64_master/lib/libLLVM-5.0svn.so ./testgpu
99
// OpenCL/gpu + patch - correct result
$ LD_PRELOAD=/opt/llvm64_patched/lib/libLLVM-5.0svn.so ./testgpu
117
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm
2017-06-29 17:58 [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm bugzilla-daemon
@ 2017-06-29 17:58 ` bugzilla-daemon
2017-06-29 17:59 ` bugzilla-daemon
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From: bugzilla-daemon @ 2017-06-29 17:58 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=101651
--- Comment #1 from Vadim Girlin <ptpzz@yandex.ru> ---
Created attachment 132355
--> https://bugs.freedesktop.org/attachment.cgi?id=132355&action=edit
screenshot (correct rendering)
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm
2017-06-29 17:58 [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm bugzilla-daemon
2017-06-29 17:58 ` bugzilla-daemon
@ 2017-06-29 17:59 ` bugzilla-daemon
2017-06-29 18:00 ` bugzilla-daemon
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From: bugzilla-daemon @ 2017-06-29 17:59 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=101651
--- Comment #2 from Vadim Girlin <ptpzz@yandex.ru> ---
Created attachment 132356
--> https://bugs.freedesktop.org/attachment.cgi?id=132356&action=edit
llvm patch
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm
2017-06-29 17:58 [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm bugzilla-daemon
2017-06-29 17:58 ` bugzilla-daemon
2017-06-29 17:59 ` bugzilla-daemon
@ 2017-06-29 18:00 ` bugzilla-daemon
2017-07-02 11:14 ` bugzilla-daemon
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From: bugzilla-daemon @ 2017-06-29 18:00 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=101651
--- Comment #3 from Vadim Girlin <ptpzz@yandex.ru> ---
Created attachment 132357
--> https://bugs.freedesktop.org/attachment.cgi?id=132357&action=edit
reduced test
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm
2017-06-29 17:58 [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm bugzilla-daemon
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2017-06-29 18:00 ` bugzilla-daemon
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2018-08-02 0:56 ` bugzilla-daemon
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From: bugzilla-daemon @ 2017-07-02 11:14 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=101651
--- Comment #4 from Gregor Münch <gr.muench@gmail.com> ---
Can confirm the bug on SI (Radeon HD 7970) and Borderlands: The Pre-Sequel
LLVM 5.0.0svn_r306967
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm
2017-06-29 17:58 [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm bugzilla-daemon
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2017-07-02 11:14 ` bugzilla-daemon
@ 2018-05-01 15:58 ` bugzilla-daemon
2018-08-02 0:56 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-05-01 15:58 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=101651
Gregor Münch <gr.muench@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
--- Comment #5 from Gregor Münch <gr.muench@gmail.com> ---
Looks good now for me.
Still an issue for you?
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm
2017-06-29 17:58 [Bug 101651] [radeonsi][hawaii] Borderlands 2 rendering issues with recent mesa/llvm bugzilla-daemon
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2018-05-01 15:58 ` bugzilla-daemon
@ 2018-08-02 0:56 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-08-02 0:56 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=101651
Timothy Arceri <t_arceri@yahoo.com.au> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEEDINFO |RESOLVED
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