From: Tom St Denis <tom.stdenis@amd.com>
Date: Mon, 8 Feb 2016 13:48:15 +0000 (-0500)
Subject: drm/amdgpu/gfx7: Simplify bitmask creation
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d3a7207bdbf5daeee962b376b807cab6778d0cbc;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drm/amdgpu/gfx7: Simplify bitmask creation

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 2a8728cf793c..5e858ca43759 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);
 }
 
 /**