Re: [Intel-gfx] vlv_disable_backlight causing warnings with i915 @ Xorg start

On Mon, 08 May 2017, Andrew Siplas wrote: > At Xorg startup after a fresh compile of the mainline kernel, WARN_ON is > truthy and throws a warning into the kernel's dmesg buffer. Please file a bug at [1], add drm.debug=14 module parameter, add dmesg from boot to reproducing the

Re: [Intel-gfx] vlv_disable_backlight causing warnings with i915 @ Xorg start

FWIW the HDMI connector was in use at the time--plugged in and mirroring from boot, then (auto-)switching over to extending desktop at X start-- backlight possibly flicks off/on briefly while starting X/expanding to HDMI. On May 9 16:34:10, Ville Syrjälä wrote: > On Mon, May 08, 2017 at

Re: [Intel-gfx] vlv_disable_backlight causing warnings with i915 @ Xorg start

On Mon, May 08, 2017 at 09:27:36AM -0400, Andrew Siplas wrote: > At Xorg startup after a fresh compile of the mainline kernel, WARN_ON is > truthy and throws a warning into the kernel's dmesg buffer. > > I'm still trying to understand the driver, but it originates here: > > -- > > static void

[Intel-gfx] vlv_disable_backlight causing warnings with i915 @ Xorg start

At Xorg startup after a fresh compile of the mainline kernel, WARN_ON is truthy and throws a warning into the kernel's dmesg buffer. I'm still trying to understand the driver, but it originates here: -- static void vlv_disable_backlight(struct intel_connector *connector) { struct