From dade9ad146b19c22141032d84190d2220623d2ca Mon Sep 17 00:00:00 2001 From: Eugeni Dodonov Date: Sat, 7 Jan 2012 23:40:35 -0200 Subject: [PATCH] drm/i915: handle 3rd pipe commit 07c1e8c1462fa7324de4c36ae9e55da2abd79cee upstream. We don't need to check 3rd pipe specifically, as it shares PLL with some other one. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41977 Signed-off-by: Eugeni Dodonov Reviewed-by: Jesse Barnes Signed-off-by: Keith Packard Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/i915_suspend.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index cf15533..bc7dcaa 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -34,6 +34,10 @@ static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe) struct drm_i915_private *dev_priv = dev->dev_private; u32 dpll_reg; + /* On IVB, 3rd pipe shares PLL with another one */ + if (pipe > 1) + return false; + if (HAS_PCH_SPLIT(dev)) dpll_reg = (pipe == PIPE_A) ? _PCH_DPLL_A : _PCH_DPLL_B; else -- 2.7.4