This should fix breakage introduced in
commit ee7b9f93fd96a72e5d09e2b44024c11880873c6b
Author: Jesse Barnes <jbar...@virtuousgeek.org>
Date: Fri Apr 20 17:11:53 2012 +0100
drm/i915: manage PCH PLLs separately from pipes
v2: Add a DRM_DEBUG_KMS message to explain why a given pll was
selected, suggested by Chris Wilson.
v3: Actually run git add.
Cc: Jesse Barnes <jbar...@virtuousgeek.org>
Cc: Chris Wilson <ch...@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <ch...@chris-wilson.co.uk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=49712
Signed-Off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
drivers/gpu/drm/i915/intel_display.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index f3d39f4..3c71850 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2911,6 +2911,17 @@ static struct intel_pch_pll *intel_get_pch_pll(struct
intel_crtc *intel_crtc, u3
goto prepare;
}
+ if (HAS_PCH_IBX(dev_priv->dev)) {
+ /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */
+ i = intel_crtc->pipe;
+ pll = &dev_priv->pch_plls[i];
+
+ DRM_DEBUG_KMS("CRTC:%d using pre-allocated PCH PLL %x\n",
+ intel_crtc->base.base.id, pll->pll_reg);
+
+ goto found;
+ }
+
for (i = 0; i < dev_priv->num_pch_pll; i++) {
pll = &dev_priv->pch_plls[i];
--
1.7.10
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