diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0479-drm-amd-powerplay-fix-fan-speed-percent-setting-erro.patch')
-rw-r--r-- | common/recipes-kernel/linux/files/0479-drm-amd-powerplay-fix-fan-speed-percent-setting-erro.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0479-drm-amd-powerplay-fix-fan-speed-percent-setting-erro.patch b/common/recipes-kernel/linux/files/0479-drm-amd-powerplay-fix-fan-speed-percent-setting-erro.patch new file mode 100644 index 00000000..a414dcd4 --- /dev/null +++ b/common/recipes-kernel/linux/files/0479-drm-amd-powerplay-fix-fan-speed-percent-setting-erro.patch @@ -0,0 +1,31 @@ +From 1c8d1b39c9dc09a04add29781db119ed9a042744 Mon Sep 17 00:00:00 2001 +From: Eric Huang <JinHuiEric.Huang@amd.com> +Date: Mon, 11 Apr 2016 14:27:51 -0400 +Subject: [PATCH 0479/1110] drm/amd/powerplay: fix fan speed percent setting + error on Tonga + +Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c +index 23f8463..47ef1ca 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c +@@ -195,8 +195,8 @@ int tonga_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed) + if (0 == duty100) + return -EINVAL; + +- tmp64 = (uint64_t)speed * 100; +- do_div(tmp64, duty100); ++ tmp64 = (uint64_t)speed * duty100; ++ do_div(tmp64, 100); + duty = (uint32_t)tmp64; + + PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL0, FDO_STATIC_DUTY, duty); +-- +2.7.4 + |