drm/amdgpu/gfx7: Simplify bitmask creation

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tom St Denis 2016-02-08 08:48:15 -05:00 committed by Alex Deucher
parent 840a20d31b
commit d3a7207bdb

View File

@ -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);
}
/**