]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
platform/x86: amd-pmc: Avoid reading SMU version at probe time
authorMario Limonciello <mario.limonciello@amd.com>
Mon, 11 Apr 2022 14:38:20 +0000 (09:38 -0500)
committerHans de Goede <hdegoede@redhat.com>
Wed, 13 Apr 2022 11:49:48 +0000 (13:49 +0200)
commitb0c07116c894325d40a218f558047f925e4b3bdb
treedfb652a1c62db1b7582c7f6cfa0c19212146d87c
parent63585d5958dacd1f2ac73bff0f1f37a98ba348e4
platform/x86: amd-pmc: Avoid reading SMU version at probe time

Currently the SMU version only used to determine whether the SMU supports
reading the idle mask. To speed up startup, move it to the first time
the idle mask is read.

This decreases the startup time from ~28500us to 100us.

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20220411143820.13971-3-mario.limonciello@amd.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
drivers/platform/x86/amd-pmc.c