drm/i915: Set PCH_NOP
Set up PCH_NOP when we match a certain platform.
v2: Just do a num_pipes check + comment instead of trying to check the
platform (Daniel)
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 3b4b9c0..88d78e3 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -397,6 +397,15 @@
struct drm_i915_private *dev_priv = dev->dev_private;
struct pci_dev *pch;
+ /* In all current cases, num_pipes is equivalent to the PCH_NOP setting
+ * (which really amounts to a PCH but no South Display).
+ */
+ if (INTEL_INFO(dev)->num_pipes == 0) {
+ dev_priv->pch_type = PCH_NOP;
+ dev_priv->num_pch_pll = 0;
+ return;
+ }
+
/*
* The reason to probe ISA bridge instead of Dev31:Fun0 is to
* make graphics device passthrough work easy for VMM, that only