Change-Id: I2683296f7b08cc637ed54b0b4b7db03b8818e658
Signed-off-by: Evan Quan <evan.quan at amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 27 ++++------------------
1 file changed, 4 insertions(+), 23 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index ed16468..54728b6 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -4488,7 +4488,6 @@ static int vega10_force_clock_level(struct pp_hwmgr *hwmgr,
enum pp_clock_type type, uint32_t mask)
{
struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
- int i;
if (hwmgr->request_dpm_level & (AMD_DPM_FORCED_LEVEL_AUTO |
AMD_DPM_FORCED_LEVEL_LOW |
@@ -4497,17 +4496,8 @@ static int vega10_force_clock_level(struct pp_hwmgr *hwmgr,
switch (type) {
case PP_SCLK:
- for (i = 0; i < 32; i++) {
- if (mask & (1 << i))
- break;
- }
- data->smc_state_table.gfx_boot_level = i;
-
- for (i = 31; i >= 0; i--) {
- if (mask & (1 << i))
- break;
- }
- data->smc_state_table.gfx_max_level = i;
+ data->smc_state_table.gfx_boot_level = mask ? (ffs(mask) - 1) : 0;
+ data->smc_state_table.gfx_max_level = mask ? (fls(mask) - 1) : 0;
PP_ASSERT_WITH_CODE(!vega10_upload_dpm_bootup_level(hwmgr),
"Failed to upload boot level to lowest!",
@@ -4519,17 +4509,8 @@ static int vega10_force_clock_level(struct pp_hwmgr *hwmgr,
break;
case PP_MCLK:
- for (i = 0; i < 32; i++) {
- if (mask & (1 << i))
- break;
- }
- data->smc_state_table.mem_boot_level = i;
-
- for (i = 31; i >= 0; i--) {
- if (mask & (1 << i))
- break;
- }
- data->smc_state_table.mem_max_level = i;
+ data->smc_state_table.mem_boot_level = mask ? (ffs(mask) - 1) : 0;
+ data->smc_state_table.mem_max_level = mask ? (fls(mask) - 1) : 0;
PP_ASSERT_WITH_CODE(!vega10_upload_dpm_bootup_level(hwmgr),
"Failed to upload boot level to lowest!",
--
2.7.4
