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| author | Kamal Mostafa <kamal@canonical.com> | 2013-07-19 15:02:01 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-07-20 10:52:53 +0200 |
| commit | e85843bec6c2ea7c10ec61238396891cc2b753a9 (patch) | |
| tree | 27e7e17dab67a95cc87bd1dd75049c83ea4915a7 /drivers/gpu/drm/i915/i915_drv.h | |
| parent | 94a335dba34ff47cad3d6d0c29b452d43a1be3c8 (diff) | |
| download | kernel_goldelico_gta04-e85843bec6c2ea7c10ec61238396891cc2b753a9.zip kernel_goldelico_gta04-e85843bec6c2ea7c10ec61238396891cc2b753a9.tar.gz kernel_goldelico_gta04-e85843bec6c2ea7c10ec61238396891cc2b753a9.tar.bz2 | |
drm/i915: quirk no PCH_PWM_ENABLE for Dell XPS13 backlight
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=47941
BugLink: https://bugs.launchpad.net/bugs/1163720
BugLink: https://bugs.launchpad.net/bugs/1162026
Some machines suffer from non-functional backlight controls if
BLM_PCH_PWM_ENABLE is set, so provide a quirk to avoid doing so.
Apply this quirk to Dell XPS 13 models.
Tested-by: Eric Griffith <EGriffith92@gmail.com>
Tested-by: Kent Baxley <kent.baxley@canonical.com>
Cc: <stable@vger.kernel.org> # v3.8+
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a416645..204c3ec 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -555,6 +555,7 @@ enum intel_sbi_destination { #define QUIRK_PIPEA_FORCE (1<<0) #define QUIRK_LVDS_SSC_DISABLE (1<<1) #define QUIRK_INVERT_BRIGHTNESS (1<<2) +#define QUIRK_NO_PCH_PWM_ENABLE (1<<3) struct intel_fbdev; struct intel_fbc_work; |