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authorChris Wilson <chris@chris-wilson.co.uk>2012-12-14 15:37:56 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2012-12-14 15:37:56 +0000
commit9df9585cb00958b42461b3139bb7aec32090a869 (patch)
tree30da0e5c49813dda62ddfcb6fea529df7f5a30d1 /src
parent0d3ba44e448c152a570cc469d289ab057fa7be5c (diff)
sna: Reduce fence watermarks
Further restrict the amount of fenced bo we try to fit into the batch to make it easier for the kernel to accommodate the request. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src')
-rw-r--r--src/sna/kgem.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index f8b3cff2..66bf473c 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -3906,9 +3906,12 @@ bool kgem_check_bo_fenced(struct kgem *kgem, struct kgem_bo *bo)
if (kgem->nfence >= kgem->fence_max)
return false;
+ if (3*kgem->aperture_fenced > kgem->aperture_mappable)
+ return false;
+
size = kgem->aperture_fenced;
size += kgem_bo_fenced_size(kgem, bo);
- if (4*size > 3*kgem->aperture_mappable)
+ if (3*size > 2*kgem->aperture_mappable)
return false;
}
@@ -3932,12 +3935,12 @@ bool kgem_check_bo_fenced(struct kgem *kgem, struct kgem_bo *bo)
if (kgem->nfence >= kgem->fence_max)
return false;
- if (2*kgem->aperture_fenced > kgem->aperture_mappable)
+ if (3*kgem->aperture_fenced > kgem->aperture_mappable)
return false;
size = kgem->aperture_fenced;
size += kgem_bo_fenced_size(kgem, bo);
- if (4*size > 3*kgem->aperture_mappable)
+ if (3*size > 2*kgem->aperture_mappable)
return false;
}
@@ -3982,10 +3985,10 @@ bool kgem_check_many_bo_fenced(struct kgem *kgem, ...)
if (kgem->nfence + num_fence > kgem->fence_max)
return false;
- if (2*kgem->aperture_fenced > kgem->aperture_mappable)
+ if (3*kgem->aperture_fenced > kgem->aperture_mappable)
return false;
- if (4*(fenced_size + kgem->aperture_fenced) > 3*kgem->aperture_mappable)
+ if (3*(fenced_size + kgem->aperture_fenced) > 2*kgem->aperture_mappable)
return false;
}