drm/i915/bdw: Don't muck with gtt_size on Gen8 when PPGTT setup fails

v2: Resolve rebase conflicts and switch to gen < 8 color for GenX
checking.

v3: Rebase on top of the address space refactoring.

Reviewed-by: Ben Widawsky <[email protected]>
Signed-off-by: Ville Syrjälä <[email protected]> (v1)
Signed-off-by: Daniel Vetter <[email protected]>

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 4fb0efa3e24a3958239e67971b7811aa037f7de0..3620a1b0a73cbcea019cbd5503250410e51f2807 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -1182,7 +1182,8 @@ void i915_gem_init_global_gtt(struct drm_device *dev)
 
                DRM_ERROR("Aliased PPGTT setup failed %d\n", ret);
                drm_mm_takedown(&dev_priv->gtt.base.mm);
-               gtt_size += GEN6_PPGTT_PD_ENTRIES * PAGE_SIZE;
+               if (INTEL_INFO(dev)->gen < 8)
+                       gtt_size += GEN6_PPGTT_PD_ENTRIES*PAGE_SIZE;
        }
        i915_gem_setup_global_gtt(dev, 0, mappable_size, gtt_size);
 }