drm/i915/vlv: disable PPGTT on early revs v3
Early revs didn't have PPGTT support, so disable there. v2: add debug msg when disabling on early stepping v3: enable on other B3 packages as well (untested) (Ville) References: https://bugs.freedesktop.org/show_bug.cgi?id=79669 References: https://bugs.freedesktop.org/show_bug.cgi?id=79670 Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
parent
d593d992a9
commit
62942ed727
|
@ -63,6 +63,12 @@ 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) {
|
||||
DRM_DEBUG_DRIVER("disabling PPGTT on pre-B3 step VLV\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
return HAS_ALIASING_PPGTT(dev) ? 1 : 0;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue