diff options
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index eec820a..6f5d5a1 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -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; } |