[Intel-gfx] [PATCH v2 2/6] drm/i915: Enable full ppgtt for vgpu on Broadwell

[Zhiyuan Lv]

The full ppgtt is supported now in Intel GVT-g device model. Broadwell
is allowed to use it in virtual machines.

v2:
- Keep backward compatibility on HSW with old device model (daniel)

Signed-off-by: Zhiyuan Lv <zhiyuan.lv at intel.com>
Signed-off-by: Zhi Wang <zhi.a.wang at intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
---
 drivers/gpu/drm/i915/i915_gem_gtt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index ed10e77..56cc8e8 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -108,8 +108,8 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt)
 	has_aliasing_ppgtt = INTEL_INFO(dev)->gen >= 6;
 	has_full_ppgtt = INTEL_INFO(dev)->gen >= 7;
 
-	if (intel_vgpu_active(dev))
-		has_full_ppgtt = false; /* emulation is too hard */
+	if (intel_vgpu_active(dev) && (IS_HASWELL(dev)))
+		has_full_ppgtt = false;
 
 	/*
 	 * We don't allow disabling PPGTT for gen9+ as it's a requirement for
-- 
1.9.1