From 178cd160c6652f57571ba3dc0a9091a1f41d9bc8 Mon Sep 17 00:00:00 2001 From: Changbin Du Date: Tue, 6 Jun 2017 15:56:14 +0800 Subject: [PATCH] drm/i915/gvt: Tuning the size of MMIO hash lookup table to 2048 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 Signed-off-by: Zhenyu Wang --- 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 ffb9ebbbcf5a..3a74e79eac2f 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; -- 2.39.5