[PATCH v2 6/6] drm/i915/gvt: Tuning the size of MMIO hash lookup table to 2048

[changbin.du at intel.com]

From: Changbin Du <changbin.du at intel.com>

On Skylake platform, The traced virtual mmio registers are up to 2039.
So tuning the hash table size to improve lookup performance.

Signed-off-by: Changbin Du <changbin.du at intel.com>
---
 drivers/gpu/drm/i915/gvt/gvt.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index 3acf7fe..70e76c56 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -195,7 +195,7 @@ struct intel_gvt_fence {
 	unsigned long vgpu_allocated_fence_num;
 };
 
-#define INTEL_GVT_MMIO_HASH_BITS 9
+#define INTEL_GVT_MMIO_HASH_BITS 11
 
 struct intel_gvt_mmio {
 	u8 *mmio_attribute;
-- 
2.7.4