[Bug 96571] [CHV] Backlight init fails on Surface 3 if module load order is wrong

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Jul 15 01:43:08 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=96571

--- Comment #37 from Stephen Just <stephenjust at gmail.com> ---
(In reply to Shobhit from comment #35)
> @Stephen: Did you get a change to test the patch "-EPROBE_DEFER attemp for
> i915" on your device ?

I haven't had the time to try to apply this against recent kernels. However,
I'm not expecting it to work - the failure on Surface 3 is in
intel_panel.c:pwm_setup_backlight(), and I do not see the "Failed to own gpio
for panel control" error.

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