diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-05-20 20:00:25 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-05-20 20:48:35 +0200 |
| commit | 98b6bd998ae057611d2bc040ace1fc847f575b84 (patch) | |
| tree | 5ccc90c277c3f28ceb5d675f0a2b9c2c7a7a7a6b /drivers/gpu/drm/i915/intel_display.c | |
| parent | 2da8af54059bd8c0d7bdf1f56b39cbec7f9c6f05 (diff) | |
drm/i915: IBX has a fixed pch pll to pch pipe mapping
This should fix breakage introduced in
commit ee7b9f93fd96a72e5d09e2b44024c11880873c6b
Author: Jesse Barnes <jbarnes@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 <jbarnes@virtuousgeek.org>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=49712
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index f3d39f4f6909..3c71850ddf20 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]; |