* [Bug 201585] New: 144Hz 2560x1440 no longer works (caps at 120Hz)
@ 2018-11-01 12:13 bugzilla-daemon
2018-11-01 13:26 ` [Bug 201585] " bugzilla-daemon
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From: bugzilla-daemon @ 2018-11-01 12:13 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
Bug ID: 201585
Summary: 144Hz 2560x1440 no longer works (caps at 120Hz)
Product: Drivers
Version: 2.5
Kernel Version: 4.18
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: dan@acristinii.com
Regression: No
> Using the default driver on Ubuntu 18.10 starting from the 4.18 kernel and
> up, results in the maximum frame rate being limited to 120Hz at 2560x1440.
> Downgrading to 4.17.19 increases it back to 144Hz.
sudo lshw -c video,
*-display
description: VGA compatible controller
product: Vega 10 XT [Radeon RX Vega 64]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:28:00.0
version: c1
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
configuration: driver=amdgpu latency=0
resources: irq:70 memory:e0000000-efffffff memory:f0000000-f01fffff
ioport:e000(size=256) memory:fe600000-fe67ffff memory:fe680000-fe69ffff
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
2018-11-01 12:13 [Bug 201585] New: 144Hz 2560x1440 no longer works (caps at 120Hz) bugzilla-daemon
@ 2018-11-01 13:26 ` bugzilla-daemon
2018-11-01 13:27 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-11-01 13:26 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
Nicholas Kazlauskas (nicholas.kazlauskas@amd.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |nicholas.kazlauskas@amd.com
--- Comment #1 from Nicholas Kazlauskas (nicholas.kazlauskas@amd.com) ---
Please attach a full dmesg log as well as an xorg log if applicable.
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
2018-11-01 12:13 [Bug 201585] New: 144Hz 2560x1440 no longer works (caps at 120Hz) bugzilla-daemon
2018-11-01 13:26 ` [Bug 201585] " bugzilla-daemon
@ 2018-11-01 13:27 ` bugzilla-daemon
2018-11-01 13:31 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-11-01 13:27 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #2 from Dan Acristinii (dan@acristinii.com) ---
for which kernel version, 4.18 or 4.19?
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
2018-11-01 12:13 [Bug 201585] New: 144Hz 2560x1440 no longer works (caps at 120Hz) bugzilla-daemon
2018-11-01 13:26 ` [Bug 201585] " bugzilla-daemon
2018-11-01 13:27 ` bugzilla-daemon
@ 2018-11-01 13:31 ` bugzilla-daemon
2018-11-01 13:51 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-11-01 13:31 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #3 from Nicholas Kazlauskas (nicholas.kazlauskas@amd.com) ---
The kernel you're experiencing the issue on, 4.18.
It might be worth trying 4.19 to see if you can still reproduce the issue
there, however.
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
2018-11-01 12:13 [Bug 201585] New: 144Hz 2560x1440 no longer works (caps at 120Hz) bugzilla-daemon
` (2 preceding siblings ...)
2018-11-01 13:31 ` bugzilla-daemon
@ 2018-11-01 13:51 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-11-01 13:51 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #4 from Dan Acristinii (dan@acristinii.com) ---
Created attachment 279285
--> https://bugzilla.kernel.org/attachment.cgi?id=279285&action=edit
dmesg.log on 4.18
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
2018-11-01 12:13 [Bug 201585] New: 144Hz 2560x1440 no longer works (caps at 120Hz) bugzilla-daemon
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From: bugzilla-daemon @ 2018-11-01 13:53 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #5 from Dan Acristinii (dan@acristinii.com) ---
The issue persists on 4.19
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
2018-11-01 12:13 [Bug 201585] New: 144Hz 2560x1440 no longer works (caps at 120Hz) bugzilla-daemon
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From: bugzilla-daemon @ 2018-11-01 14:09 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #6 from Dan Acristinii (dan@acristinii.com) ---
Created attachment 279287
--> https://bugzilla.kernel.org/attachment.cgi?id=279287&action=edit
144Hz working dmesg on 4.17.19
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
2018-11-01 12:13 [Bug 201585] New: 144Hz 2560x1440 no longer works (caps at 120Hz) bugzilla-daemon
` (5 preceding siblings ...)
2018-11-01 14:09 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-11-01 14:11 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #7 from Nicholas Kazlauskas (nicholas.kazlauskas@amd.com) ---
It may also help to have a dmesg log for 4.18 with drm.debug=4 as part of your
bootline.
Thanks for all the logs.
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
2018-11-01 12:13 [Bug 201585] New: 144Hz 2560x1440 no longer works (caps at 120Hz) bugzilla-daemon
` (6 preceding siblings ...)
2018-11-01 14:11 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-11-01 17:21 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #8 from Dan Acristinii (dan@acristinii.com) ---
Created attachment 279289
--> https://bugzilla.kernel.org/attachment.cgi?id=279289&action=edit
4.18 with drm.debug=4
I think I added it in the right way
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
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From: bugzilla-daemon @ 2018-11-07 15:23 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #9 from Nicholas Kazlauskas (nicholas.kazlauskas@amd.com) ---
These patches should fix your issue:
https://patchwork.freedesktop.org/series/52164/
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
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From: bugzilla-daemon @ 2018-11-07 15:27 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #10 from Nicholas Kazlauskas (nicholas.kazlauskas@amd.com) ---
(In reply to Nicholas Kazlauskas from comment #9)
> These patches should fix your issue:
>
> https://patchwork.freedesktop.org/series/52164/
I suppose I should mention that these are for amd-staging-drm-next, they
probably won't cleanly apply on Linus' tree.
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
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From: bugzilla-daemon @ 2018-11-08 10:04 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #11 from Dan Acristinii (dan@acristinii.com) ---
Created attachment 279377
--> https://bugzilla.kernel.org/attachment.cgi?id=279377&action=edit
applied patch to amd-staging-drm-next
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
2018-11-01 12:13 [Bug 201585] New: 144Hz 2560x1440 no longer works (caps at 120Hz) bugzilla-daemon
` (10 preceding siblings ...)
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From: bugzilla-daemon @ 2018-11-08 10:05 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #12 from Dan Acristinii (dan@acristinii.com) ---
(In reply to Nicholas Kazlauskas from comment #10)
> (In reply to Nicholas Kazlauskas from comment #9)
> > These patches should fix your issue:
> >
> > https://patchwork.freedesktop.org/series/52164/
>
> I suppose I should mention that these are for amd-staging-drm-next, they
> probably won't cleanly apply on Linus' tree.
I would like to mention that revision 2 of the patch is incompatible with
amd-staging-drm-next
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
2018-11-01 12:13 [Bug 201585] New: 144Hz 2560x1440 no longer works (caps at 120Hz) bugzilla-daemon
` (11 preceding siblings ...)
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From: bugzilla-daemon @ 2018-11-08 15:47 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #13 from Nicholas Kazlauskas (nicholas.kazlauskas@amd.com) ---
(In reply to Dan Acristinii from comment #12)
> (In reply to Nicholas Kazlauskas from comment #10)
> > (In reply to Nicholas Kazlauskas from comment #9)
> > > These patches should fix your issue:
> > >
> > > https://patchwork.freedesktop.org/series/52164/
> >
> > I suppose I should mention that these are for amd-staging-drm-next, they
> > probably won't cleanly apply on Linus' tree.
>
> I would like to mention that revision 2 of the patch is incompatible with
> amd-staging-drm-next
Are you on the amd-staging-drm-next branch? ie.
git checkout --track origin/amd-staging-drm-next
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* [Bug 201585] 144Hz 2560x1440 no longer works (caps at 120Hz)
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` (12 preceding siblings ...)
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@ 2018-12-13 14:12 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-12-13 14:12 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=201585
--- Comment #14 from Alexander Walker (alex@alexwalker.info) ---
Also experiencing this on AMD Vega 56 on 4.20.
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