drm/i915: Ignore VBT backlight presence check on HP Chromebook 14
commit c675949ec5
drm/i915: do not setup backlight if not available according to VBT
caused a regression on the HP Chromebook 14 (with Celeron 2955U CPU),
which has a misconfigured VBT. Apply quirk to ignore the VBT backlight
presence check during backlight setup.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79813
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
Tested-by: Stefan Nagy <public@stefan-nagy.at>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -11673,6 +11673,9 @@ static struct intel_quirk intel_quirks[] = {
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/* Toshiba CB35 Chromebook (Celeron 2955U) */
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{ 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },
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/* HP Chromebook 14 (Celeron 2955U) */
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{ 0x0a06, 0x103c, 0x21ed, quirk_backlight_present },
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};
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static void intel_init_quirks(struct drm_device *dev)
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