[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #105 from pub...@redaril.me --- I have installed xf86-video-amdgpu 19.0.0 on Solus but the issue is still present. I'm running Plasma 5.14 and kernel 4.20.10 with mesa 18.3.3. Is there something else I should to fix the stuttering?

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #104 from Michel Dänzer --- (In reply to Hans D from comment #103) > With the latest xf86 DDX driver 3d works better in amdgpu.dc=0, but still > lags, even though a built-in counter is showing high fps. Does amdgpu.dc=1 > improve

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #103 from Hans D --- With the latest xf86 DDX driver 3d works better in amdgpu.dc=0, but still lags, even though a built-in counter is showing high fps. Does amdgpu.dc=1 improve 3d performance that much? -- You are receiving this

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #102 from tempel.jul...@gmail.com --- Is that with latest git version of the xf86 DDX driver, including the PR Michel posted? I had subpar game performance (looked like half of the fps) too without vsync the last time I checked

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #101 from Hans D --- For me the TearFree Option works flawlessly with amdgpu.dc=0 on 5.0rc2 and 4.20.1, but 3d games lag. With amdgpu.dc=1 there are some slight hiccups every 2-3 seconds (Firefox`s autoscrolling, video playback

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #100 from Brandon Wright --- (In reply to tempel.julian from comment #99) > Does the trick for me too, TearFree with amdgpu.dc=0 seems to be completely > smooth now. Delay / input latency seems to be the same between amdgpu.dc=1 >

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #99 from tempel.jul...@gmail.com --- Does the trick for me too, TearFree with amdgpu.dc=0 seems to be completely smooth now. Delay / input latency seems to be the same between amdgpu.dc=1 and 0, I suppose this is as low as it can be

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #98 from Michel Dänzer --- (In reply to Brandon Wright from comment #95) > For me, at least, it hiccups regularly every second and introduces > noticeable latency. With dc=1 it's smooth Thanks, I was able to reproduce the hiccups

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #97 from Michel Dänzer --- (In reply to tempel.julian from comment #96) > I also noticed that sometimes switching between Vulkan fullscreen windows > (radv) and desktop can break TearFree, it needs to be reactivated then. I >

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #96 from tempel.jul...@gmail.com --- Yep, that's my observation as well (no compositor vsync enbled at the same time). I also noticed that sometimes switching between Vulkan fullscreen windows (radv) and desktop can break TearFree,

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #95 from Brandon Wright --- (In reply to Michel Dänzer from comment #94) > (In reply to tempel.julian from comment #88) > > (TearFree however doesn't work well in general without amdgpu.dc=1). > > Can you elaborate on that? Maybe

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #94 from Michel Dänzer --- (In reply to tempel.julian from comment #88) > (TearFree however doesn't work well in general without amdgpu.dc=1). Can you elaborate on that? Maybe file another report on it. -- You are receiving this

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 tempel.jul...@gmail.com changed: What|Removed |Added Status|REOPENED|RESOLVED

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #92 from tempel.jul...@gmail.com --- This is the commit with which the stutter is introduced: https://gitlab.freedesktop.org/xorg/driver/xf86-video-amdgpu/commit/0d60233d26ec70d4e1faa343b438e33829c6d5e4 (But it seems amdgpu.dc=1

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #91 from tempel.jul...@gmail.com --- I suppose I could narrow down the culprit: The issue does not occur with stable version 18.1.0 of xf86-video-amdgpu DDX driver. But it does occur with both xorg modesetting and latest git commit

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #90 from tempel.jul...@gmail.com --- Created attachment 143081 --> https://bugs.freedesktop.org/attachment.cgi?id=143081=edit new xorg.0 log for reopened cursor issue -- You are receiving this mail because: You are the assignee

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 tempel.jul...@gmail.com changed: What|Removed |Added Attachment #138987|0 |1 is obsolete|

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #88 from tempel.jul...@gmail.com --- Well, there's no compositor to blame, as the issue also occurs with just TearFree enabled without any compositor. Then you just have to avoid moving another window on top of the browser window, as

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #87 from Brandon Wright --- It's important to distinguish between when the compositor and application desync and when there's actually a driver hiccup. If the compositor and application swaps get switched around briefly, it'll

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #86 from tempel.jul...@gmail.com --- Thanks for trying to reproduce. Hm, that leaves me clueless. It's 100% reproducible here and I tried things like forcing high performance profile, using plain 60Hz edid and disabling overclock,

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #85 from Nicholas Kazlauskas --- (In reply to tempel.julian from comment #82) > Could you please try the following? > > -disable Plasma compositing with Ctr + Alt + F12 (or in the compositor > settings and log out and in again) >

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #84 from Michel Dänzer --- (In reply to Nicholas Kazlauskas from comment #81) > As for the difference between dc=1 and dc=0, that might just be a difference > in behavior on the DRM level for atomic vs non-atomic drivers. Or a >

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #83 from tempel.jul...@gmail.com --- Edit: Sorry, I meant disabling KWin compositing via Shift + Alt F12, not Ctrl. -- You are receiving this mail because: You are the assignee for the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #82 from tempel.jul...@gmail.com --- Could you please try the following? -disable Plasma compositing with Ctr + Alt + F12 (or in the compositor settings and log out and in again) -get the latest Compton release by yshui:

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #81 from Nicholas Kazlauskas --- (In reply to tempel.julian from comment #80) > It seems like the issue is actually not 100% resolved (linux 5.0-rc1). > The moving of windows is free of stutter now, but moving of windows can > still

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 tempel.jul...@gmail.com changed: What|Removed |Added Status|RESOLVED|REOPENED

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #79 from bmil...@gmail.com --- any chance to backport the last version of the patch to 4.20? -- You are receiving this mail because: You are the assignee for the bug.___ dri-devel mailing

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 tempel.jul...@gmail.com changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #77 from bmil...@gmail.com --- @Nicholas Kazlauskas is there anything important in the new patch vs the first one? it fails a hunk on 4.19 for me thanks for submiting it to amd-gfx -- You are receiving this mail because: You are

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #76 from Brandon Wright --- https://patchwork.freedesktop.org/series/53589/ A new patch has been submitted. So it's in the pipeline for inclusion now. -- You are receiving this mail because: You are the assignee for the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #75 from tempel.jul...@gmail.com --- Any update, please? -- You are receiving this mail because: You are the assignee for the bug.___ dri-devel mailing list

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #74 from Brandon Wright --- Is anyone from the AMD driver team still following this? Could we please have a review of Nicholas's patch and try to get it into 4.20? It's not that disruptive code-wise, but it makes a big smoothness

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #73 from tempel.jul...@gmail.com --- Yeah, I'd be extremely disappointing if this wouldn't land before linux 4.21 DRM merging window closes. Like I already said, I think this is even worth getting backported to older kernels, as I'd

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #72 from Brandon Wright --- (In reply to bmilreu from comment #71) > @Nicholas Kazlauskas > any reason not to push this fix to staging or next? I agree. This will reduce stuttering for everyone, especially those who think the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #71 from bmil...@gmail.com --- @Nicholas Kazlauskas any reason not to push this fix to staging or next? -- You are receiving this mail because: You are the assignee for the bug.___

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 Brandon Wright changed: What|Removed |Added Attachment #142558|0 |1 is obsolete|

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #69 from tempel.jul...@gmail.com --- (In reply to bmilreu from comment #68) > try 0001-drm-amd-display-Add-fast-path-for-legacy-cursor-plan.patch That one works, also with modesetting driver. Regarding your question if modesetting

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #68 from bmil...@gmail.com --- (In reply to tempel.julian from comment #67) > Just wanted to note that applying > [PATCH 1/2] drm/amd/display: Use private obj helpers for dm_atomic_state > [PATCH 2/2] drm/amd/display: Remove wait for

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #67 from tempel.jul...@gmail.com --- Just wanted to note that applying [PATCH 1/2] drm/amd/display: Use private obj helpers for dm_atomic_state [PATCH 2/2] drm/amd/display: Remove wait for hw/flip done in atomic check does not

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #66 from Brandon Wright --- (In reply to bmilreu from comment #65) > Is there an easy way to backport this to 4.19 mainline? Would be very useful > to integrate the fix into stable kernels. > > As it is currently it wont work on

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #65 from bmil...@gmail.com --- (In reply to Nicholas Kazlauskas from comment #64) > Created attachment 142574 [details] [review] > 0001-drm-amd-display-Add-fast-path-for-legacy-cursor-plan.patch > > This patch is similar to the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #64 from Nicholas Kazlauskas --- Created attachment 142574 --> https://bugs.freedesktop.org/attachment.cgi?id=142574=edit 0001-drm-amd-display-Add-fast-path-for-legacy-cursor-plan.patch This patch is similar to the async_update

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #63 from bmil...@gmail.com --- (In reply to Brandon Wright from comment #62) > (In reply to tempel.julian from comment #61) > > I just noticed that it works fine with xf86-video-amdgpu driver, but with > > modesetting driver, xorg or

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #62 from Brandon Wright --- (In reply to tempel.julian from comment #61) > I just noticed that it works fine with xf86-video-amdgpu driver, but with > modesetting driver, xorg or the driver freezes when starting/logging in. Not >

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #61 from tempel.jul...@gmail.com --- Thanks a lot @ Brandon Wright, your patch really does the trick. I also totally agree on your opinion that it should be mainlined as at least a temporary solution (and also get backported to older

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #60 from Brandon Wright --- > There are larger problems within amdgpu_dm's commit tail that if addressed > should resolve this issue for compton I'd imagine. Honestly, I don't care about compton. I don't think you realize the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #59 from bmil...@gmail.com --- (In reply to Nicholas Kazlauskas from comment #58) > (In reply to Brandon Wright from comment #55) > > Created attachment 142558 [details] [review] [review] > > Patch that "fixes" the problem. > > > >

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #58 from Nicholas Kazlauskas --- (In reply to Brandon Wright from comment #55) > Created attachment 142558 [details] [review] > Patch that "fixes" the problem. > > I've attached a patch that fixes the problem for me. It copies

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #57 from bmil...@gmail.com --- @Brandon Wright Sorry for double posting, but I think if you send the patch to amd-gfx mailing-list directly it might get reviewed faster. -- You are receiving this mail because: You are the assignee

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #56 from bmil...@gmail.com --- (In reply to Brandon Wright from comment #55) > Created attachment 142558 [details] [review] > Patch that "fixes" the problem. > > I've attached a patch that fixes the problem for me. It copies parts

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #55 from Brandon Wright --- Created attachment 142558 --> https://bugs.freedesktop.org/attachment.cgi?id=142558=edit Patch that "fixes" the problem. I've attached a patch that fixes the problem for me. It copies parts from the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #54 from tempel.jul...@gmail.com --- You should btw. also set CPU clock governor to either acpi-cpufreq performance or intel_pstate performance, since governors like powersave, ondemand or schedutil can already cause severe

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #53 from bmil...@gmail.com --- (In reply to rropid from comment #45) > (In reply to bmilreu from comment #43) > > If devs want an easy test case, use these links for reproducing it in > > chromium: > > > >

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #52 from Brandon Wright --- Ok, I think I understand what's going on. Forgive me if this sounds stupid, I'm looking at the DRM code for the first time. The old KMS interface uses what's flagged as "legacy" cursor updates. These are

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #51 from Alex Deucher --- DC uses the atomic KMS interface, the old code uses the legacy KMS interface. -- You are receiving this mail because: You are the assignee for the bug.___

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #50 from Brandon Wright --- > I have this issue too, disabling page flipping fixes it for me on my vega10. > It started with 4.16rc1 IIRC Negative. I checked back as far as the DC/DAL was integrated (4.15) and it's been there from

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #49 from Brandon Wright --- I'm going to speculate that maybe the hardware cursor updates are triggering an update to the vsync timestamp counter or msc that's incorrect and throwing off the timing. -- You are receiving this mail

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #48 from tempel.jul...@gmail.com --- With amdgpu.dc=0, TearFree works as expected for me (no tearing without compositor, scrolling in Firefox windowed is free of stutter, no issues with compositor vsync either). I think we should

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #47 from Michel Dänzer --- FWIW, note that TearFree can be toggled at runtime using the RandR output property of the same name. At its default value "auto", TearFree is automatically enabled for an output using rotation / scaling /

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #46 from Brandon Wright --- I've never run TearFree, so that's not the case here. My Xorg config is similar to yours, just amdgpu and DRI 3. I did have an extra section to use evdev instead of libinput, but I tried removing that and

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #45 from rro...@gmail.com --- (In reply to bmilreu from comment #43) > If devs want an easy test case, use these links for reproducing it in > chromium: > > https://www.vsynctester.com/ > https://www.testufo.com/photo >

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #44 from Brandon Wright --- You're too late, I already tried it. But as you say, there's no improvement. -- You are receiving this mail because: You are the assignee for the bug.___

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #43 from bmil...@gmail.com --- (In reply to Brandon Wright from comment #42) > This is pretty serious. Just moving the mouse cursor around while something > slightly GPU-heavy is running at 60hz can produce frame-skipping. > > I

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #42 from Brandon Wright --- This is pretty serious. Just moving the mouse cursor around while something slightly GPU-heavy is running at 60hz can produce frame-skipping. I switched the display core off with amdgpu.dc=0 and

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #41 from bmil...@gmail.com --- Guys, please take a closer look at this, its actually a lot worse than what OP describes and affect a lot of other use cases, vsync is a vital feature for any kind of PC activity, literally everything

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 Michel Dänzer changed: What|Removed |Added CC||nicholas.kazlaus...@amd.com ---

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #39 from gr...@sub.red --- (In reply to Michel Dänzer from comment #34) > > Right, you'd have to disable TearFree as well. Then I think the logs should represent that, even when the manpage tells me that tearfree is using page

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #38 from bmil...@gmail.com --- (In reply to tempel.julian from comment #37) > I think software cursor would also be unusable even if it left pageflipping > on. It causes nasty issues like flickering cursor or other visual corruption.

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #37 from tempel.jul...@gmail.com --- I think software cursor would also be unusable even if it left pageflipping on. It causes nasty issues like flickering cursor or other visual corruption. -- You are receiving this mail because:

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #36 from bmil...@gmail.com --- So, to help find the origin of the issue, there are a few options that get rid of stutter when compositing: 1 - amdgpu.dc=0 - The old DC seems unaffected by the bug. 2 - SWcursor on - Unaffected by bug

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #35 from bmil...@gmail.com --- (In reply to Michel Dänzer from comment #31) > Note that SWcursor completely disables page flipping, at least with > xf86-video-amdgpu, because the two things are fundamentally incompatible > with each

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #34 from Michel Dänzer --- (In reply to tempel.julian from comment #33) > I suppose TearFree forces pageflipping regardless, as we don't see any > tearing with that configuration. Right, you'd have to disable TearFree as well. Can

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #33 from tempel.jul...@gmail.com --- I suppose TearFree forces pageflipping regardless, as we don't see any tearing with that configuration. -- You are receiving this mail because: You are the assignee for the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #32 from gr...@sub.red --- (In reply to Michel Dänzer from comment #31) > Does only disabling page flipping also avoid the problem? Not from what I can tell. > Option "EnablePageFlip" "off" results in >[ 35496.178] (II)

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #31 from Michel Dänzer --- Note that SWcursor completely disables page flipping, at least with xf86-video-amdgpu, because the two things are fundamentally incompatible with each other. Does only disabling page flipping also avoid

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #30 from bmil...@gmail.com --- https://github.com/yshui/compton/issues/25 - related to this issue Some tests me and others did in compton shows there is some relation with vsync issues and the HW cursor. When I turn swcursor on in

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #29 from tempel.jul...@gmail.com --- I gave it a try again: Unfortunately, there are no improvements to report with latest 4.21-wip vs. the status of some months ago. I really wonder how you can have trouble reproducing. This is not

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #28 from Nicholas Kazlauskas --- (In reply to tempel.julian from comment #27) > Is this commit related to it? > https://lists.freedesktop.org/archives/amd-gfx/2018-October/027726.html It shouldn't be. You would likely be

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #27 from tempel.jul...@gmail.com --- Is this commit related to it? https://lists.freedesktop.org/archives/amd-gfx/2018-October/027726.html -- You are receiving this mail because: You are the assignee for the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #26 from gr...@sub.red --- Yes, I'm using DP (required for 144 Hz with WQHD). However, I just reproduced the issue on a 19" monitor with 1280x1024 at 60 Hz and with a cheap old mouse with a 100 Hz polling rate. The issue is no

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #25 from tempel.jul...@gmail.com --- It doesn't seem to be related to a certain GCN generation, as there are exactly matching reports of at least Hawaii, Polaris 10/11 and Vega 10 (probably also Fiji). It probably neither is related

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #24 from Jordan L --- The challenge here is that we still can't seem to reproduce this internally on any of our setups. Can anyone identify a commonality in setup to help isolate the reproducing behaviour? -- You are receiving

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #23 from tempel.jul...@gmail.com --- If I bought Vega, Raven Ridge or, in the future, Navi, I'd be really annoyed by this bug because I had to turn off page flipping, resulting in unacceptable tearing. :( Could we please get an

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 gr...@sub.red changed: What|Removed |Added CC||gr...@sub.red --- Comment #22 from

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #21 from tempel.jul...@gmail.com --- Don't want to nag at anyone, but this bug still makes DC unusable for me and thus is a real dealbreaker. Does implementing a fix for it require lots of efforts? -- You are receiving this mail

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #20 from Michel Dänzer --- Note that the ioctls don't literally run "in parallel"; both ioctls are called by the Xorg main thread, so they can't preempt each other. What I mean is that any number of cursor ioctls can happen while a

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #19 from Michel Dänzer --- (In reply to David Francis from comment #18) > My hypothesis is that has something to do with the mouse polling rate. What is that hypothesis based on? The kernel is supposed to be able to process any

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #18 from David Francis --- My hypothesis is that has something to do with the mouse polling rate. Could you set the polling rate to 125 Hz (8 ms) and see if the problem persists? This information will help us troubleshoot the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #17 from Michel Dänzer --- https://patchwork.freedesktop.org/patch/227925/ might provide inspiration for how this could be solved. -- You are receiving this mail because: You are the assignee for the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #16 from ejr.ph...@gmail.com --- I have this issue too, disabling page flipping fixes it for me on my vega10. It started with 4.16rc1 IIRC -- You are receiving this mail because: You are the assignee for the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #15 from tempel.jul...@gmail.com --- I just tried that option with the xf86 amdgpu DDX driver and as expected, stuttering disappears in exchange for tearing close to the very top of the screen. I'm really glad you could confirm the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #14 from Michel Dänzer --- (In reply to tempel.julian from comment #13) > So there might be an actual connection to pageflipping? Yeah, the problem seems to be a bad interaction between page flipping and cursor

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #13 from tempel.jul...@gmail.com --- When I use modesetting driver with Option "PageFlip" "false", the stuttering is gone (however, as expected tearing is not fully prevented anymore). So there might be an actual connection to

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #12 from tempel.jul...@gmail.com --- Latest drm-next-4.18-wip aa1bce17d841a362d40da940487e13affe4c7b3b still shows the same behavior. I'd be happy if more users would comment on this, since it makes use of amdgpu.dc totally

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #11 from tempel.jul...@gmail.com --- I noticed that this issue also exists apart from Xorg compositors. When I run Serious Sam: Fusion (both OpenGL and Vulkan) in fullscreen (no Xorg compositor enabled in the background), the mouse

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #10 from Mike Bendel --- I have the same issue. For me amdgpu.dc=0 does not really fix it either. I have a 3840x1600 monitor running at 75 Hz. This is the different behavior I noticed when toggling the DC setting:

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #9 from tempel.jul...@gmail.com --- I got them too. Before those commits, my issue was way more severe. It's still really nasty stutter though. -- You are receiving this mail because: You are the assignee for the

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #8 from Mariusz Ceier --- I had these patches in the kernel tree - mine is from 22nd April, while these patches were committed on 12th April.

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #7 from Harry Wentland --- Does your kernel tree have the following patches? 90fef6476917 Revert "drm/amd/display: disable CRTCs with NULL FB on their primary plane (V2)" c7bd22893408 Revert

[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

https://bugs.freedesktop.org/show_bug.cgi?id=106175 --- Comment #6 from Mariusz Ceier --- I forgot about - I have Radeon Fury X graphics card. -- You are receiving this mail because: You are the assignee for the bug.___

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