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Power management fix for 6.6-rc1

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Fix an Intel RAPL power capping driver regression introduced
 during the 6.5 development cycle (Srinivas Pandruvada).
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Merge tag 'pm-6.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "Fix an Intel RAPL power capping driver regression introduced during
  the 6.5 development cycle (Srinivas Pandruvada)"

* tag 'pm-6.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  powercap: intel_rapl: Fix invalid setting of Power Limit 4
This commit is contained in:
Linus Torvalds 2023-09-08 13:16:09 -07:00
commit fd88c59e79
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/powercap/intel_rapl_common.c
View File

@ -658,8 +658,6 @@ static struct rapl_primitive_info rpi_msr[NR_RAPL_PRIMITIVES] = {
RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
[PL2_CLAMP] = PRIMITIVE_INFO_INIT(PL2_CLAMP, POWER_LIMIT2_CLAMP, 48,
RAPL_DOMAIN_REG_LIMIT, ARBITRARY_UNIT, 0),
[PL4_ENABLE] = PRIMITIVE_INFO_INIT(PL4_ENABLE, POWER_LIMIT4_MASK, 0,
RAPL_DOMAIN_REG_PL4, ARBITRARY_UNIT, 0),
[TIME_WINDOW1] = PRIMITIVE_INFO_INIT(TIME_WINDOW1, TIME_WINDOW1_MASK, 17,
RAPL_DOMAIN_REG_LIMIT, TIME_UNIT, 0),
[TIME_WINDOW2] = PRIMITIVE_INFO_INIT(TIME_WINDOW2, TIME_WINDOW2_MASK, 49,
@ -1458,7 +1456,7 @@ static void rapl_detect_powerlimit(struct rapl_domain *rd)
}
}
if (rapl_read_pl_data(rd, i, PL_ENABLE, false, &val64))
if (rapl_read_pl_data(rd, i, PL_LIMIT, false, &val64))
rd->rpl[i].name = NULL;
}
}