diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3185-drm-amd-powerplay-support-fan-speed-retrieval-on-arc.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3185-drm-amd-powerplay-support-fan-speed-retrieval-on-arc.patch | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3185-drm-amd-powerplay-support-fan-speed-retrieval-on-arc.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3185-drm-amd-powerplay-support-fan-speed-retrieval-on-arc.patch new file mode 100644 index 00000000..3b56fc75 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3185-drm-amd-powerplay-support-fan-speed-retrieval-on-arc.patch @@ -0,0 +1,77 @@ +From 294dede95546ec7066f5446bf7082f83283d17e1 Mon Sep 17 00:00:00 2001 +From: Evan Quan <evan.quan@amd.com> +Date: Mon, 22 Jul 2019 12:09:38 +0800 +Subject: [PATCH 3185/4256] drm/amd/powerplay: support fan speed retrieval on + arcturus + +Support arcturus fan speed retrieval. + +Signed-off-by: Evan Quan <evan.quan@amd.com> +Reviewed-by: Kevin Wang <kevin1.wang@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 40 ++++++++++++++++++++ + 1 file changed, 40 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +index 6d1691d9ac7c..1bdebb77c55b 100644 +--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c ++++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +@@ -994,6 +994,44 @@ static int arcturus_read_sensor(struct smu_context *smu, + return ret; + } + ++static int arcturus_get_fan_speed_rpm(struct smu_context *smu, ++ uint32_t *speed) ++{ ++ SmuMetrics_t metrics; ++ int ret = 0; ++ ++ if (!speed) ++ return -EINVAL; ++ ++ ret = arcturus_get_metrics_table(smu, &metrics); ++ if (ret) ++ return ret; ++ ++ *speed = metrics.CurrFanSpeed; ++ ++ return ret; ++} ++ ++static int arcturus_get_fan_speed_percent(struct smu_context *smu, ++ uint32_t *speed) ++{ ++ PPTable_t *pptable = smu->smu_table.driver_pptable; ++ uint32_t percent, current_rpm; ++ int ret = 0; ++ ++ if (!speed) ++ return -EINVAL; ++ ++ ret = arcturus_get_fan_speed_rpm(smu, ¤t_rpm); ++ if (ret) ++ return ret; ++ ++ percent = current_rpm * 100 / pptable->FanMaximumRpm; ++ *speed = percent > 100 ? 100 : percent; ++ ++ return ret; ++} ++ + static int arcturus_get_current_clk_freq_by_table(struct smu_context *smu, + enum smu_clk_type clk_type, + uint32_t *value) +@@ -1475,6 +1513,8 @@ static const struct pptable_funcs arcturus_ppt_funcs = { + .print_clk_levels = arcturus_print_clk_levels, + .force_clk_levels = arcturus_force_clk_levels, + .read_sensor = arcturus_read_sensor, ++ .get_fan_speed_percent = arcturus_get_fan_speed_percent, ++ .get_fan_speed_rpm = arcturus_get_fan_speed_rpm, + /* debug (internal used) */ + .dump_pptable = arcturus_dump_pptable, + }; +-- +2.17.1 + |