diff options
-rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 23 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_i2c.c | 11 |
3 files changed, 12 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c034413a1584..3c17e959a0eb 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3894,24 +3894,17 @@ static void i9xx_pfit_enable(struct intel_crtc *crtc) I915_WRITE(BCLRPAT(crtc->pipe), 0); } -static int valleyview_get_vco(struct drm_i915_private *dev_priv) +int valleyview_get_vco(struct drm_i915_private *dev_priv) { - int vco; + int hpll_freq, vco_freq[] = { 800, 1600, 2000, 2400 }; - switch (dev_priv->mem_freq) { - default: - case 800: - vco = 800; - break; - case 1066: - vco = 1600; - break; - case 1333: - vco = 2000; - break; - } + /* Obtain SKU information */ + mutex_lock(&dev_priv->dpio_lock); + hpll_freq = vlv_cck_read(dev_priv, CCK_FUSE_REG) & + CCK_FUSE_HPLL_FREQ_MASK; + mutex_unlock(&dev_priv->dpio_lock); - return vco; + return vco_freq[hpll_freq]; } /* Adjust CDclk dividers to allow high res or save power if possible */ diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 9d2624fd92c2..6d701e79b611 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -693,7 +693,7 @@ void i915_disable_vga_mem(struct drm_device *dev); void hsw_enable_ips(struct intel_crtc *crtc); void hsw_disable_ips(struct intel_crtc *crtc); void intel_display_set_init_power(struct drm_device *dev, bool enable); - +int valleyview_get_vco(struct drm_i915_private *dev_priv); /* intel_dp.c */ void intel_dp_init(struct drm_device *dev, int output_reg, enum port port); diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 1263409d00b3..b1dc33f47899 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -82,16 +82,11 @@ static int get_disp_clk_div(struct drm_i915_private *dev_priv, static void gmbus_set_freq(struct drm_i915_private *dev_priv) { - int vco_freq[] = { 800, 1600, 2000, 2400 }; - int gmbus_freq = 0, cdclk_div, hpll_freq; + int vco, gmbus_freq = 0, cdclk_div; BUG_ON(!IS_VALLEYVIEW(dev_priv->dev)); - /* Obtain SKU information */ - mutex_lock(&dev_priv->dpio_lock); - hpll_freq = - vlv_cck_read(dev_priv, CCK_FUSE_REG) & CCK_FUSE_HPLL_FREQ_MASK; - mutex_unlock(&dev_priv->dpio_lock); + vco = valleyview_get_vco(dev_priv); /* Get the CDCLK divide ratio */ cdclk_div = get_disp_clk_div(dev_priv, CDCLK); @@ -102,7 +97,7 @@ static void gmbus_set_freq(struct drm_i915_private *dev_priv) * in fact 1MHz is the correct frequency. */ if (cdclk_div) - gmbus_freq = (vco_freq[hpll_freq] << 1) / cdclk_div; + gmbus_freq = (vco << 1) / cdclk_div; if (WARN_ON(gmbus_freq == 0)) return; |