From: Ben Widawsky <benjamin.widawsky@intel.com>
Date: Tue, 9 Apr 2013 01:43:53 +0000 (-0700)
Subject: drm/i915: Rework PPGTT init code
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3ed124b21e6bf388c63b182d9c2d766a6ca0e8be;p=linux-beck.git

drm/i915: Rework PPGTT init code

This rework will help if future platforms choose to be a bit different.
Should have no functional impact.

v2: Don't move around the vtable setup (Daniel)

v3: Squash in the disable-by-default patch.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net> (v1)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index b4ba488e5c83..b13ba9d53b19 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -238,7 +238,11 @@ static int i915_gem_init_aliasing_ppgtt(struct drm_device *dev)
 	ppgtt->dev = dev;
 	ppgtt->scratch_page_dma_addr = dev_priv->gtt.scratch_page_dma;
 
-	ret = gen6_ppgtt_init(ppgtt);
+	if (INTEL_INFO(dev)->gen < 8)
+		ret = gen6_ppgtt_init(ppgtt);
+	else
+		BUG();
+
 	if (ret)
 		kfree(ppgtt);
 	else