drm/i915: Setup less PPGTT on failed page_directory

The current code will both potentially print a WARN, and setup part of
the PPGTT structure. Neither of these harm the current code, it is
simply for clarity, and to perhaps prevent later bugs, or weird
debug messages.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky 2015-01-22 17:01:25 +00:00 committed by Daniel Vetter
parent 766436004b
commit c8c26622ae

View file

@ -1032,11 +1032,14 @@ alloc:
goto alloc;
}
if (ret)
return ret;
if (ppgtt->node.start < dev_priv->gtt.mappable_end)
DRM_DEBUG("Forced to use aperture for PDEs\n");
ppgtt->num_pd_entries = GEN6_PPGTT_PD_ENTRIES;
return ret;
return 0;
}
static int gen6_ppgtt_allocate_page_tables(struct i915_hw_ppgtt *ppgtt)