[PATCH v3 08/22] drm/i915/gvt: Define PTE addr mask with GENMASK_ULL

changbin.du at intel.com changbin.du at intel.com
Fri Dec 22 08:07:14 UTC 2017


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

Define the masks better.

Signed-off-by: Changbin Du <changbin.du at intel.com>
---
 drivers/gpu/drm/i915/gvt/gtt.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index e548c57..634419f 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -337,9 +337,9 @@ static inline int gtt_set_entry64(void *pt,
 
 #define GTT_HAW 46
 
-#define ADDR_1G_MASK (((1UL << (GTT_HAW - 30)) - 1) << 30)
-#define ADDR_2M_MASK (((1UL << (GTT_HAW - 21)) - 1) << 21)
-#define ADDR_4K_MASK (((1UL << (GTT_HAW - 12)) - 1) << 12)
+#define ADDR_1G_MASK	GENMASK_ULL(GTT_HAW - 1, 30)
+#define ADDR_2M_MASK	GENMASK_ULL(GTT_HAW - 1, 21)
+#define ADDR_4K_MASK	GENMASK_ULL(GTT_HAW - 1, 12)
 
 static unsigned long gen8_gtt_get_pfn(struct intel_gvt_gtt_entry *e)
 {
-- 
2.7.4



More information about the intel-gvt-dev mailing list