[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 Michel Dänzer changed: What|Removed |Added Version|unspecified |git Component|DRM/Radeon

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 --- Comment #24 from Michel Dänzer --- Sorry, wrong bug. :( -- You are receiving this mail because: You are the assignee for the bug. -- next part -- An HTML attachment was scrubbed... URL:

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 --- Comment #23 from Michel Dänzer --- Note that since the crash happens when Xorg tries to use the GPU, testing with DRI3 and Xorg not using the GPU directly cannot trigger the crash. -- You are receiving this mail because: You are the assign

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 --- Comment #22 from Kai --- (In reply to Michel Dänzer from comment #21) > Created attachment 125838 > loader/dri3: Always use 3 back buffers when flipping > > Does this Mesa patch help? Yes! With attachment 125838 applied on top of Mesa mast

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 --- Comment #21 from Michel Dänzer --- Created attachment 125838 --> https://bugs.freedesktop.org/attachment.cgi?id=125838&action=edit loader/dri3: Always use 3 back buffers when flipping Does this Mesa patch help? -- You are receiving this

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 --- Comment #20 from Kai --- Created attachment 125820 --> https://bugs.freedesktop.org/attachment.cgi?id=125820&action=edit dmesg output with additional debug info from attachment 125808 (In reply to Alex Deucher from comment #16) > Does just

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 --- Comment #19 from Michel Dänzer --- BTW, there are some potential workarounds: * Disable DRI3 for affected games with the environment variable LIBGL_DRI3_DISABLE=1 * Enable sync-to-vblank in affected applications, or force it with vblank_

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 --- Comment #18 from Michel Dänzer --- Created attachment 125808 --> https://bugs.freedesktop.org/attachment.cgi?id=125808&action=edit radeon: Add some page flip debugging output Well, that's a surprising result of the bisection. I can imagi

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 --- Comment #17 from nadro-linux at wp.pl --- Thanks for your help, when I removed followind line: "adev->ddev->mode_config.async_page_flip = true;" from all three files "dce_v8_0.c", "dce_v10_0.c", "dce_v11_0.c" (I use AMDGPU driver) a performanc

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 --- Comment #16 from Alex Deucher --- Does just reverting this chunk fix the issue? @@ -1630,6 +1631,9 @@ int radeon_modeset_init(struct radeon_device *rdev) rdev->ddev->mode_config.funcs = &radeon_mode_funcs; + if (radeon_use_pf

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 --- Comment #15 from nadro-linux at wp.pl --- I also noticed a big performance regression since kernel v4.7rc1. With kernel 4.6 all works fine. I have Radeon R9 380 2GB (Sapphire ITX Compact). I'll try to build a custom kernel without "support for

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 --- Comment #14 from Alexander Tsoy --- (In reply to Kai from comment #12) This is interesting. The same bad commit was found here: https://bugzilla.kernel.org/show_bug.cgi?id=119631 -- You are receiving this mail because: You are the assignee

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 --- Comment #13 from Kai --- Created attachment 125755 --> https://bugs.freedesktop.org/attachment.cgi?id=125755&action=edit git bisect log output for the bisection run leading to c63dd758589b1f7e8398841d1f443f06ebfbcefc -- You are receiving

[Bug 97260] [bisected] R9 290 low performance in Linux 4.7

https://bugs.freedesktop.org/show_bug.cgi?id=97260 Kai changed: What|Removed |Added Keywords||bisected CC|