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drm/i915: Don't disable PPGTT for CHV based in PCI rev 

In
 commit 62942ed727
 Author: Jesse Barnes <jbarnes@virtuousgeek.org>
 Date:   Fri Jun 13 09:28:33 2014 -0700

    drm/i915/vlv: disable PPGTT on early revs v3

we forgot about CHV. IS_VALLEYVIEW() is true for CHV, so we need to
explicitly avoid disabling PPGTT on CHV.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2014-06-28 02:03:56 +03:00 committed by Daniel Vetter
parent 7b3c29f6fd
commit ca2aed6cec
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/i915_gem_gtt.c
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@ -64,7 +64,8 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt)
#endif
/* Early VLV doesn't have this */
if (IS_VALLEYVIEW(dev) && dev->pdev->revision < 0xb) {
if (IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev) &&
dev->pdev->revision < 0xb) {
DRM_DEBUG_DRIVER("disabling PPGTT on pre-B3 step VLV\n");
return 0;
}