diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0136-amd-powerplay-don-t-enable-ucode-fan-control-if-vbio.patch')
-rw-r--r-- | common/recipes-kernel/linux/files/0136-amd-powerplay-don-t-enable-ucode-fan-control-if-vbio.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0136-amd-powerplay-don-t-enable-ucode-fan-control-if-vbio.patch b/common/recipes-kernel/linux/files/0136-amd-powerplay-don-t-enable-ucode-fan-control-if-vbio.patch new file mode 100644 index 00000000..3b456461 --- /dev/null +++ b/common/recipes-kernel/linux/files/0136-amd-powerplay-don-t-enable-ucode-fan-control-if-vbio.patch @@ -0,0 +1,32 @@ +From 8c518450c658851d39ad5b24a4d4952b39825e9a Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Sat, 19 Dec 2015 18:26:55 -0500 +Subject: [PATCH 0136/1110] 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: Tom St Denis <tom.stdenis@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c +index 5da7586..2e159b0 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c +@@ -371,6 +371,9 @@ int tf_tonga_thermal_setup_fan_table(struct pp_hwmgr *hwmgr, void *input, void * + int res; + uint64_t tmp64; + ++ if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl)) ++ return 0; ++ + if (0 == data->fan_table_start) { + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl); + return 0; +-- +2.7.4 + |