Re: [PATCH] platform/x86: hp-wmi: Add OMEN board 8A17 thermal profile support

[Krishna Chomal <krishna.chomal108@gmail.com>]

On Fri, Sep 25, 2026 at 05:52:26PM -0300, Ciro Pedrini wrote:
>The HP OMEN 17-ck1xxx (board 8A17) isn't in omen_thermal_profile_boards,
>so hp-wmi uses the generic thermal profile query. The firmware only
>stores that value and never acts on it, so the EC stays in its default
>mode and the CPU is held at 45 W whatever profile is selected.
>
>The board uses the OMEN interface (mode byte at EC 0x95, thermal policy
>v1) and also needs the timed profile quirk: without it, the EC drops
>back to the default mode about two minutes after each profile change.
>
>Add 8A17 to omen_thermal_profile_boards and
>omen_timed_thermal_profile_boards.
>
>With this, all three profiles work and sustained package power under
>load goes from 45 W to 56-79 W.

Hi Ciro Pedrini,

I was working a patch[1] involving omen_timed_thermal_profile_boards[]
and needed some diagostic info. Would you mind attaching the acpidump
for your board 8A17?

Thanks!

[1]: https://lore.kernel.org/platform-driver-x86/asPy5Q5wNYaMzTqJ@archlinux/#m922ff6cf9a68285d2b0f64e578fd6d2d6fa573f4

>Cc: stable@vger.kernel.org
>Assisted-by: Claude:claude-opus-5-5
>Signed-off-by: Ciro Pedrini <ciro.pedrini@gmail.com>
>---
>
>Notes:
>    Tested on 7.2.7, whose OMEN profile code matches for-next. Without the
>    timed quirk, EC 0x63 counts down from about 120 after each profile
>    write, and at zero the EC resets 0x95 to 0x30.
>
>    8A13, 8A14, 8A16 and 8A18 appear in the same DSDT. 8A18 is in the OMEN
>    list but not the timed one, so it may have the same two-minute
>    fallback. I can't test it.
>
>    I used an AI assistant (Claude) for the ACPI analysis and to draft this
>    message. I tested the change on my machine and reviewed everything.
>
> drivers/platform/x86/hp/hp-wmi.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/platform/x86/hp/hp-wmi.c b/drivers/platform/x86/hp/hp-wmi.c
>index 7ab81ce5f..76f489d5d 100644
>--- a/drivers/platform/x86/hp/hp-wmi.c
>+++ b/drivers/platform/x86/hp/hp-wmi.c
>@@ -207,7 +207,7 @@ static const char * const omen_thermal_profile_boards[] = {
> 	"886B", "886C", "88C8", "88CB", "88D1", "88D2", "88F4", "88F5", "88F6",
> 	"88F7", "88FD", "88FE", "88FF",
> 	"8900", "8901", "8902", "8912", "8917", "8918", "8949", "894A", "89EB",
>-	"8A15", "8A18", "8A42", "8A43",
>+	"8A15", "8A17", "8A18", "8A42", "8A43",
> 	"8BAD",
> 	"8E41",
> };
>@@ -226,7 +226,7 @@ static const char * const omen_thermal_profile_force_v0_boards[] = {
>  * "balanced" when reaching zero.
>  */
> static const char * const omen_timed_thermal_profile_boards[] = {
>-	"8A15", "8A42",
>+	"8A15", "8A17", "8A42",
> 	"8BAD",
> };
>
>
>base-commit: f475845eaf3d749114a63270bf2efea459e14dd2
>-- 
>2.55.0
>