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authorScot Doyle <lkml14@scotdoyle.com>2014-07-04 03:27:52 +0400
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-07-09 11:51:01 +0400
commitd4967d8c6d4f52623f2be8eaff0b445dc5863c92 (patch)
tree3d4c5fd5024e47500b03a43b7f6365073cee9ca4 /drivers
parent2e93a1aa9ca455aa3ad0294bcd6d66f38bf8b758 (diff)
downloadlinux-d4967d8c6d4f52623f2be8eaff0b445dc5863c92.tar.xz
drm/i915: Toshiba CB35 has a controllable backlight
The Toshiba CB35 Chromebook (with Celeron 2955U CPU) has a controllable backlight although its VBT reports otherwise. Apply quirk to ignore the backlight presence check during backlight setup. Patch tested by author on Toshiba CB35. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79813 Signed-off-by: Scot Doyle <lkml14@scotdoyle.com> CC: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Cc: stable@vger.kernel.org # 3.15 only [danvet: Add cc: stable because the regressing commit is in 3.15.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2ee81656f80a..e27e7804c0b9 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11670,6 +11670,9 @@ static struct intel_quirk intel_quirks[] = {
/* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */
{ 0x0a06, 0x1025, 0x0a11, quirk_backlight_present },
+
+ /* Toshiba CB35 Chromebook (Celeron 2955U) */
+ { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },
};
static void intel_init_quirks(struct drm_device *dev)