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authorJani Nikula <jani.nikula@intel.com>2014-02-25 13:11:47 +0200
committerJani Nikula <jani.nikula@intel.com>2014-02-26 16:45:36 +0200
commitdfa89d2d2d0df5d72e40c12af8a2df46887e5388 (patch)
tree02cd20e126ad36cea567373a4d266b1315daccda
parentf51a44b9a6c4982cc25bfb3727de9bb893621ebc (diff)
drm/i915: use backlight legacy combination mode also for i915gm/i945gm
i915gm and i945gm also seem to use and need the legacy combination mode bit in BLC_PWM_CTL. v2: Also do this for i915gm (Ville). Reported-and-tested-by: Luis Ortega <luiorpe1@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75001 Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 350de359123a..079ea38f14d9 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -698,7 +698,7 @@ static void i9xx_enable_backlight(struct intel_connector *connector)
freq /= 0xff;
ctl = freq << 17;
- if (IS_GEN2(dev) && panel->backlight.combination_mode)
+ if (panel->backlight.combination_mode)
ctl |= BLM_LEGACY_MODE;
if (IS_PINEVIEW(dev) && panel->backlight.active_low_pwm)
ctl |= BLM_POLARITY_PNV;
@@ -979,7 +979,7 @@ static int i9xx_setup_backlight(struct intel_connector *connector)
ctl = I915_READ(BLC_PWM_CTL);
- if (IS_GEN2(dev))
+ if (IS_GEN2(dev) || IS_I915GM(dev) || IS_I945GM(dev))
panel->backlight.combination_mode = ctl & BLM_LEGACY_MODE;
if (IS_PINEVIEW(dev))