From 9c62f993eeda3e71a7f0bbe1dc57ac305bfda486 Mon Sep 17 00:00:00 2001 From: Kevin Wang Date: Sun, 28 Apr 2019 18:40:11 +0800 Subject: [PATCH] drm/amd/powerplay: add function read_sensor for navi10 add callback function read_sensor for navi10 asic Signed-off-by: Kevin Wang Reviewed-by: Huang Rui Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index 1d51bb715582..02054874de2f 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -1170,6 +1170,26 @@ static int navi10_set_watermarks_table(struct smu_context *smu, return 0; } +static int navi10_read_sensor(struct smu_context *smu, + enum amd_pp_sensors sensor, + void *data, uint32_t *size) +{ + int ret = 0; + struct smu_table_context *table_context = &smu->smu_table; + PPTable_t *pptable = table_context->driver_pptable; + + switch (sensor) { + case AMDGPU_PP_SENSOR_MAX_FAN_RPM: + *(uint32_t *)data = pptable->FanMaximumRpm; + *size = 4; + break; + default: + return -EINVAL; + } + + return ret; +} + static const struct pptable_funcs navi10_ppt_funcs = { .tables_init = navi10_tables_init, .alloc_dpm_context = navi10_allocate_dpm_context, @@ -1204,6 +1224,7 @@ static const struct pptable_funcs navi10_ppt_funcs = { .set_power_profile_mode = navi10_set_power_profile_mode, .get_profiling_clk_mask = navi10_get_profiling_clk_mask, .set_watermarks_table = navi10_set_watermarks_table, + .read_sensor = navi10_read_sensor, }; void navi10_set_ppt_funcs(struct smu_context *smu) -- 2.11.0