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drm/i915: only apply crt_present check on VLV

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Apparently we can't trust this field on other platforms and need to find
some other way.

This fixes a regression introduced in
commit 27da3bdfcf
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date:   Fri Apr 4 16:12:07 2014 -0700

    drm/i915: use VBT to determine whether to enumerate the VGA port

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jesse Barnes 2014-06-25 08:24:29 -07:00 committed by Jani Nikula
parent 33c3b0d191
commit 84b4e042c4
1 changed files with 17 additions and 1 deletions
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18
drivers/gpu/drm/i915/intel_display.c
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@ -11097,6 +11097,22 @@ const char *intel_output_name(int output)
return names[output];
}
static bool intel_crt_present(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (IS_ULT(dev))
return false;
if (IS_CHERRYVIEW(dev))
return false;
if (IS_VALLEYVIEW(dev) && !dev_priv->vbt.int_crt_support)
return false;
return true;
}
static void intel_setup_outputs(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@ -11105,7 +11121,7 @@ static void intel_setup_outputs(struct drm_device *dev)
intel_lvds_init(dev);
if (!IS_ULT(dev) && !IS_CHERRYVIEW(dev) && dev_priv->vbt.int_crt_support)
if (intel_crt_present(dev))
intel_crt_init(dev);
if (HAS_DDI(dev)) {