We believe we have all the kinks worked out, even for the early
Valleyview devices, for whom we currently disable all ppgtt.
References:
62942ed7279d ("drm/i915/vlv: disable PPGTT on early revs v3")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180717095751.1034-2-chris@chris-wilson.co.uk
return 0;
}
- /* Early VLV doesn't have this */
- if (IS_VALLEYVIEW(dev_priv) && dev_priv->drm.pdev->revision < 0xb) {
- DRM_DEBUG_DRIVER("disabling PPGTT on pre-B3 step VLV\n");
- return 0;
- }
-
if (has_full_48bit_ppgtt)
return 3;