Re: [PATCH] drm/i915: i915.disable_pch_pwm overrides PCH_PWM_ENABLE quirk

2013-09-03 Thread Kamal Mostafa
On Tue, 2013-09-03 at 19:50 +0200, Daniel Vetter wrote: > On Tue, Sep 3, 2013 at 7:37 PM, Kamal Mostafa wrote: > > BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=47941 > > > > Some BIOS configurations of Dell XPS13 are adversely affected by e85843b > > ("drm/i915: quirk no PCH_PWM_ENABLE

Re: [PATCH] drm/i915: i915.disable_pch_pwm overrides PCH_PWM_ENABLE quirk

2013-09-03 Thread Daniel Vetter
On Tue, Sep 3, 2013 at 7:37 PM, Kamal Mostafa wrote: > BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=47941 > > Some BIOS configurations of Dell XPS13 are adversely affected by e85843b > ("drm/i915: quirk no PCH_PWM_ENABLE for Dell XPS13 backlight") so provide a > boot param to inhibit the

[PATCH] drm/i915: i915.disable_pch_pwm overrides PCH_PWM_ENABLE quirk

2013-09-03 Thread Kamal Mostafa
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=47941 Some BIOS configurations of Dell XPS13 are adversely affected by e85843b ("drm/i915: quirk no PCH_PWM_ENABLE for Dell XPS13 backlight") so provide a boot param to inhibit the quirk, or force it on. i915.disable_pch_pwm can be set to -1:

[PATCH] drm/i915: i915.disable_pch_pwm overrides PCH_PWM_ENABLE quirk

2013-09-03 Thread Kamal Mostafa
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=47941 Some BIOS configurations of Dell XPS13 are adversely affected by e85843b (drm/i915: quirk no PCH_PWM_ENABLE for Dell XPS13 backlight) so provide a boot param to inhibit the quirk, or force it on. i915.disable_pch_pwm can be set to -1:

Re: [PATCH] drm/i915: i915.disable_pch_pwm overrides PCH_PWM_ENABLE quirk

2013-09-03 Thread Daniel Vetter
On Tue, Sep 3, 2013 at 7:37 PM, Kamal Mostafa ka...@canonical.com wrote: BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=47941 Some BIOS configurations of Dell XPS13 are adversely affected by e85843b (drm/i915: quirk no PCH_PWM_ENABLE for Dell XPS13 backlight) so provide a boot param to

Re: [PATCH] drm/i915: i915.disable_pch_pwm overrides PCH_PWM_ENABLE quirk

2013-09-03 Thread Kamal Mostafa
On Tue, 2013-09-03 at 19:50 +0200, Daniel Vetter wrote: On Tue, Sep 3, 2013 at 7:37 PM, Kamal Mostafa ka...@canonical.com wrote: BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=47941 Some BIOS configurations of Dell XPS13 are adversely affected by e85843b (drm/i915: quirk no