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amdgpu/gfxv8: Simplification of gfx_v8_0_create_bitmask()
author
Tom St Denis
<tom.stdenis@amd.com>
Tue, 1 Dec 2015 16:48:32 +0000
(11:48 -0500)
committer
Alex Deucher
<alexander.deucher@amd.com>
Fri, 4 Dec 2015 16:26:50 +0000
(11:26 -0500)
Simplification of the function gfx_v8_0_create_bitmask().
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
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diff --git
a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index
5c04002
..
b5396db
100644
(file)
--- a/
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@
-2555,13
+2555,7
@@
static void gfx_v8_0_tiling_mode_table_init(struct amdgpu_device *adev)
static u32 gfx_v8_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);
}
void gfx_v8_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num)