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authorVille Syrjälä2015-11-30 15:23:47 +0100
committerVille Syrjälä2015-12-02 10:22:57 +0100
commit4e7f8cfbd22755844094caaac2d9f49d2b77fd8c (patch)
tree97495b2e6585c2477340d999f72859d6e2ab5e60 /drivers/gpu/drm/i915/intel_panel.c
parentdrm/i915: Round the AUX clock divider to closest on all platforms (diff)
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drm/i915: Use cached cdclk_freq for PWM calculations
No need to read out cdclk from the hardware, we have it already cached in dev_priv. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1448893432-6978-7-git-send-email-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_panel.c')
-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 eb42b388a5e9..ae808b68a44f 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -1345,7 +1345,7 @@ static u32 i9xx_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
if (IS_PINEVIEW(dev))
clock = MHz(intel_hrawclk(dev));
else
- clock = 1000 * dev_priv->display.get_display_clock_speed(dev);
+ clock = 1000 * dev_priv->cdclk_freq;
return clock / (pwm_freq_hz * 32);
}
@@ -1364,7 +1364,7 @@ static u32 i965_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
if (IS_G4X(dev_priv))
clock = MHz(intel_hrawclk(dev));
else
- clock = 1000 * dev_priv->display.get_display_clock_speed(dev);
+ clock = 1000 * dev_priv->cdclk_freq;
return clock / (pwm_freq_hz * 128);
}