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Commit 45b0cf54 authored by Alex Deucher's avatar Alex Deucher
Browse files

amd/powerplay: don't enable ucode fan control if vbios has no fan table 



Some systems have a single fan controlled by ACPI or some other
method.

Reviewed-by: default avatarTom St Denis <tom.stdenis@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 605ed219

drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -371,6 +371,9 @@ int tf_tonga_thermal_setup_fan_table(struct pp_hwmgr *hwmgr, void *input, void * 
	int res;

	int res;

	uint64_t tmp64;

	uint64_t tmp64;





	if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl))

		return 0;



	if (0 == data->fan_table_start) {

	if (0 == data->fan_table_start) {

		phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl);

		phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl);

		return 0;

		return 0;