[Bug 60606] vga_switcheroo / new Radeon DPM code mess up fbcon

https://bugzilla.kernel.org/show_bug.cgi?id=60606 --- Comment #4 from Sebastien Fievet --- (In reply to Jani Nikula from comment #3) I reverted the patch and double checked. The workaround is enough for me. What I do is : 1. echo OFF > /sys/kernel/debug/vgaswitcheroo/switch at init time with a

[Bug 60606] vga_switcheroo / new Radeon DPM code mess up fbcon

https://bugzilla.kernel.org/show_bug.cgi?id=60606 --- Comment #3 from Jani Nikula --- Sebastien, to confirm, you need "drm/i915: do not disable backlight on vgaswitcheroo switch off" to be able to switch from IGD to DIS? So having that is an improvement? And without that, the workarounds won't

[Bug 60606] vga_switcheroo / new Radeon DPM code mess up fbcon

https://bugzilla.kernel.org/show_bug.cgi?id=60606 --- Comment #3 from Jani Nikula jani.nik...@intel.com --- Sebastien, to confirm, you need drm/i915: do not disable backlight on vgaswitcheroo switch off to be able to switch from IGD to DIS? So having that is an improvement? And without that, the

[Bug 60606] vga_switcheroo / new Radeon DPM code mess up fbcon

https://bugzilla.kernel.org/show_bug.cgi?id=60606 --- Comment #4 from Sebastien Fievet sebastien.fie...@free.fr --- (In reply to Jani Nikula from comment #3) I reverted the patch and double checked. The workaround is enough for me. What I do is : 1. echo OFF

[Bug 60606] vga_switcheroo / new Radeon DPM code mess up fbcon

https://bugzilla.kernel.org/show_bug.cgi?id=60606 --- Comment #2 from Sebastien Fievet --- After a *lot* of googling effort, I managed to narrow down and find a workaround to this bug. - First, my mistake was to have an xorg.conf.d directory defining the video drivers. Letting X auto detect

[Bug 60606] vga_switcheroo / new Radeon DPM code mess up fbcon

https://bugzilla.kernel.org/show_bug.cgi?id=60606 --- Comment #2 from Sebastien Fievet sebastien.fie...@free.fr --- After a *lot* of googling effort, I managed to narrow down and find a workaround to this bug. - First, my mistake was to have an xorg.conf.d directory defining the video drivers.

[Bug 60606] vga_switcheroo / new Radeon DPM code mess up fbcon

https://bugzilla.kernel.org/show_bug.cgi?id=60606 --- Comment #1 from Sebastien Fievet --- I did proofread my report, but missed a obvious mistake : cat /sys/kernel/debug/vgaswitcheroo/switch 0:IGD:+:Pwr::00:02.0 1:DIS: :Pwr::02:00.0 2:DIS-Audio: :Pwr::02:00.1 echo OFF >

[Bug 60606] vga_switcheroo / new Radeon DPM code mess up fbcon

https://bugzilla.kernel.org/show_bug.cgi?id=60606 --- Comment #1 from Sebastien Fievet sebastien.fie...@free.fr --- I did proofread my report, but missed a obvious mistake : cat /sys/kernel/debug/vgaswitcheroo/switch 0:IGD:+:Pwr::00:02.0 1:DIS: :Pwr::02:00.0 2:DIS-Audio: