Let's see if we have all the kinks worked out and full-ppgtt now works
reliably on gen7. If we can let userspace have full control over
their own ppgtt, it makes softpinning far more effective, in turn making
GPU dispatch far more efficient and more secure (due to better mm
segregation).
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 371f509736b1..88b3dbdc5799 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -179,13 +179,11 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
return 0;
}
- if (HAS_LOGICAL_RING_CONTEXTS(dev_priv) || IS_HASWELL(dev_priv)) {
- if (has_full_48bit_ppgtt)
- return 3;
+ if (has_full_48bit_ppgtt)
+ return 3;
- if (has_full_ppgtt)
- return 2;
- }
+ if (has_full_ppgtt)
+ return 2;
return 1;
}
--
2.17.1
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