Messages in this thread | | | From | Jani Nikula <> | Subject | Re: [PATCH] Revert "drm/i915: assume all GM45 Acer laptops use inverted backlight PWM" | Date | Mon, 30 Dec 2013 12:09:47 +0200 |
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Ben, please pick this up for -fixes during Daniel's absense.
BR, Jani.
On Sat, 28 Dec 2013, Alexander van Heukelum <heukelum@fastmail.fm> wrote: > My Acer 8510TZ stops displaying anything when X starts with Linus' current > tree. I bisected it down to commit ee1452d74584. > > This patch reverts commit ee1452d74584.
commit ee1452d7458451a7508e0663553ce88d63958157 Author: Jani Nikula <jani.nikula@intel.com> Date: Fri Sep 20 15:05:30 2013 +0300
drm/i915: assume all GM45 Acer laptops use inverted backlight PWM
> After the revert, everything works as before.
Also
Reported-by: Dylan Borg <borgdylan@hotmail.com>
for Acer Extensa 5635Z.
> Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
> > --- > drivers/gpu/drm/i915/intel_display.c | 19 ++++++++++++++----- > 1 file changed, 14 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > index 54e82a8..769b864 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -10541,11 +10541,20 @@ static struct intel_quirk intel_quirks[] = { > /* Sony Vaio Y cannot use SSC on LVDS */ > { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, > > - /* > - * All GM45 Acer (and its brands eMachines and Packard Bell) laptops > - * seem to use inverted backlight PWM. > - */ > - { 0x2a42, 0x1025, PCI_ANY_ID, quirk_invert_brightness }, > + /* Acer Aspire 5734Z must invert backlight brightness */ > + { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, > + > + /* Acer/eMachines G725 */ > + { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, > + > + /* Acer/eMachines e725 */ > + { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, > + > + /* Acer/Packard Bell NCL20 */ > + { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, > + > + /* Acer Aspire 4736Z */ > + { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, > > /* Dell XPS13 HD Sandy Bridge */ > { 0x0116, 0x1028, 0x052e, quirk_no_pcm_pwm_enable }, > -- > 1.8.3.2 >
-- Jani Nikula, Intel Open Source Technology Center
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