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From 6849edf82b6aeafc89f4415108cc5ec8fe56773d Mon Sep 17 00:00:00 2001
From: Tom St Denis <tom.stdenis@amd.com>
Date: Mon, 8 Feb 2016 08:48:15 -0500
Subject: [PATCH 0296/1110] drm/amdgpu/gfx7: Simplify bitmask creation
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 1543240..adaa3f8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -1598,13 +1598,7 @@ void gfx_v7_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num)
*/
static u32 gfx_v7_0_create_bitmask(u32 bit_width)
{
- u32 i, mask = 0;
-
- for (i = 0; i < bit_width; i++) {
- mask <<= 1;
- mask |= 1;
- }
- return mask;
+ return (u32)((1ULL<<bit_width)-1);
}
/**
--
2.7.4
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