3.2.44-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Carsten Emde <C.Emde@xxxxxxxxx>
commit 5a15ab5b93e4a3ebcd4fa6c76cf646a45e9cf806 upstream.
Mark the Acer Aspire 5734Z that this machines requires the module to
invert the panel backlight brightness value after reading from and prior
to writing to the PCI configuration space.
Signed-off-by: Carsten Emde <C.Emde@xxxxxxxxx>
Acked-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
Acked-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8832,7 +8832,8 @@ static void quirk_ssc_force_disable(stru
}
/*
- * A machine may need to invert the panel backlight brightness value
+ * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight
+ * brightness value
*/
static void quirk_invert_brightness(struct drm_device *dev)
{
@@ -8874,6 +8875,9 @@ struct intel_quirk intel_quirks[] = {
/* Sony Vaio Y cannot use SSC on LVDS */
{ 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable },
+
+ /* Acer Aspire 5734Z must invert backlight brightness */
+ { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness },
};
static void intel_init_quirks(struct drm_device *dev)
--
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