Commit 78ef3faf authored Jun 08, 2018 by Jani Nikula

drm/i915: fix guest virtual PCH detection on non-PCH systems



Virtualized non-PCH systems such as Broxton or Geminilake should use
PCH_NONE to indicate no PCH rather than PCH_NOP. The latter is a
specific case to indicate a PCH system without south display.

Reported-by: Colin Xu <Colin.Xu@intel.com>
Cc: Colin Xu <Colin.Xu@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Colin Xu <Colin.Xu@intel.com>
Reviewed-by: Colin Xu <Colin.Xu@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180608123330.31003-2-jani.nikula@intel.com

parent eed28903

drivers/gpu/drm/i915/i915_drv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -289,7 +289,7 @@ static void intel_detect_pch(struct drm_i915_private *dev_priv)
		if (WARN_ON(pch_type == PCH_NONE))
		pch_type = PCH_NOP;
		} else {
		pch_type = PCH_NOP;
		pch_type = PCH_NONE;
		}
		dev_priv->pch_type = pch_type;
		dev_priv->pch_id = id;

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