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| author | Nils Wallménius <nils.wallmenius@gmail.com> | 2016-05-05 10:07:47 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-05-11 19:31:23 +0300 |
| commit | 354ef928a0e67166249c0136cdba21fdfef31702 (patch) | |
| tree | 4e336d646b7a8e2d02e48ffb795651f676b270e1 /drivers/gpu/drm/amd/amdgpu/kv_dpm.c | |
| parent | 9887e425f91b063d68ee1fbec76dea15d6a82085 (diff) | |
| download | linux-354ef928a0e67166249c0136cdba21fdfef31702.tar.xz | |
drm/amdgpu: Simplify calculation in *get_sleep_divider_id_from_clock
a / (1 << b) is equivalent to a >> b for unsigned values
Signed-off-by: Nils Wallménius <nils.wallmenius@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/kv_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/kv_dpm.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c index 4bc107a4546e..bc7997b649c0 100644 --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c @@ -135,11 +135,6 @@ static void sumo_take_smu_control(struct amdgpu_device *adev, bool enable) #endif } -static u32 sumo_get_sleep_divider_from_id(u32 id) -{ - return 1 << id; -} - static void sumo_construct_sclk_voltage_mapping_table(struct amdgpu_device *adev, struct sumo_sclk_voltage_mapping_table *sclk_voltage_mapping_table, ATOM_AVAILABLE_SCLK_LIST *table) @@ -2185,7 +2180,7 @@ static u8 kv_get_sleep_divider_id_from_clock(struct amdgpu_device *adev, return 0; for (i = KV_MAX_DEEPSLEEP_DIVIDER_ID; i > 0; i--) { - temp = sclk / sumo_get_sleep_divider_from_id(i); + temp = sclk >> i; if (temp >= min) break; } |