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Commit 143b307c authored by Damien Lespiau's avatar Damien Lespiau Committed by Daniel Vetter
Browse files

drm/i915: Extract the HSW/BDW shared dpll init code



So we can easily provide an alternate implementation in the future.

Signed-off-by: default avatarDamien Lespiau <damien.lespiau@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 7d2c8175
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+9 −3
Original line number Diff line number Diff line
@@ -1248,10 +1248,8 @@ static const char * const hsw_ddi_pll_names[] = {
	"WRPLL 2",
};

void intel_ddi_pll_init(struct drm_device *dev)
static void hsw_shared_dplls_init(struct drm_i915_private *dev_priv)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	uint32_t val = I915_READ(LCPLL_CTL);
	int i;

	dev_priv->num_shared_dpll = 2;
@@ -1264,6 +1262,14 @@ void intel_ddi_pll_init(struct drm_device *dev)
		dev_priv->shared_dplls[i].get_hw_state =
			hsw_ddi_pll_get_hw_state;
	}
}

void intel_ddi_pll_init(struct drm_device *dev)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	uint32_t val = I915_READ(LCPLL_CTL);

	hsw_shared_dplls_init(dev_priv);

	/* The LCPLL register should be turned on by the BIOS. For now let's
	 * just check its state and print errors in case something is wrong.