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drm/i915: Fix VBT backlight Hz to PWM conversion for PNV

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Convert the MHz number coming from intel_rawclk() into Hz in
i9xx_hz_to_pwm() on PNV. Otherwise we'll get something totally
bogus as a result.

Fixes: aa17cdb4f8 ("drm/i915: initialize backlight max from VBT")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1448893432-6978-2-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2015-11-30 16:23:42 +02:00
parent d965e7ac7a
commit 245f586876
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_panel.c
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@ -1343,7 +1343,7 @@ static u32 i9xx_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
int clock;
if (IS_PINEVIEW(dev))
clock = intel_hrawclk(dev);
clock = MHz(intel_hrawclk(dev));
else
clock = 1000 * dev_priv->display.get_display_clock_speed(dev);