diff mbox series

[v2,1/4] platform/x86: ISST: Use fuse enabled mask instead of allowed levels

Message ID 20231003163234.1856669-2-srinivas.pandruvada@linux.intel.com (mailing list archive)
State Accepted, archived
Headers show
Series Minor SST optimizations | expand

Commit Message

srinivas pandruvada Oct. 3, 2023, 4:32 p.m. UTC
Allowed level mask is a mask of levels, which are currently allowed to
dynamically switch by the OS. Fused mask is a mask of all levels even if
OS is not allowed to switch.

Even if OS is not allowed to dynamically switch, it is still possible for
user to boot to a level by using BIOS option. To decide which level to
boot next time, user wants to check parameters (power, performance or
thermal) of that level to decide.

So, when passing the level mask for display to user space, use fuse
enabled mask, which has all levels.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
---
v2:
- Updated the commit description

 drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
index 63faa2ea8327..a672a1c814af 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c
@@ -704,7 +704,7 @@  static int isst_if_get_perf_level(void __user *argp)
 		return -EINVAL;
 
 	perf_level.max_level = power_domain_info->max_level;
-	perf_level.level_mask = power_domain_info->pp_header.allowed_level_mask;
+	perf_level.level_mask = power_domain_info->pp_header.level_en_mask;
 	perf_level.feature_rev = power_domain_info->pp_header.feature_rev;
 	_read_pp_info("current_level", perf_level.current_level, SST_PP_STATUS_OFFSET,
 		      SST_PP_LEVEL_START, SST_PP_LEVEL_WIDTH, SST_MUL_FACTOR_NONE)