From 30b2c0cae4303a9691174968482c43bfedcb7d76 Mon Sep 17 00:00:00 2001 From: changzhu Date: Wed, 13 Nov 2019 17:17:09 +0800 Subject: drm/amd/powerplay: enable gpu_busy_percent sys interface for renoir (v2) To get the value of gpu_busy_percent, it needs to realize get_current_activity_percent and get_metrics_table. The framework of renoir smu is different from old ones like raven. It needs to realize get_current_activity_percent and get_metrics_table in renoir_ppt.c like navi10. v2: remove unused variable (Alex) Signed-off-by: changzhu Reviewed-by: Evan Quan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/smu_v12_0.c | 33 +++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'drivers/gpu/drm/amd/powerplay/smu_v12_0.c') diff --git a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c index 18b24f954380..045167311ae8 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c @@ -223,6 +223,39 @@ int smu_v12_0_set_gfx_cgpg(struct smu_context *smu, bool enable) SMU_MSG_SetGfxCGPG, enable ? 1 : 0); } +int smu_v12_0_read_sensor(struct smu_context *smu, + enum amd_pp_sensors sensor, + void *data, uint32_t *size) +{ + int ret = 0; + + if(!data || !size) + return -EINVAL; + + switch (sensor) { + case AMDGPU_PP_SENSOR_GFX_MCLK: + ret = smu_get_current_clk_freq(smu, SMU_UCLK, (uint32_t *)data); + *size = 4; + break; + case AMDGPU_PP_SENSOR_GFX_SCLK: + ret = smu_get_current_clk_freq(smu, SMU_GFXCLK, (uint32_t *)data); + *size = 4; + break; + case AMDGPU_PP_SENSOR_MIN_FAN_RPM: + *(uint32_t *)data = 0; + *size = 4; + break; + default: + ret = smu_common_read_sensor(smu, sensor, data, size); + break; + } + + if (ret) + *size = 0; + + return ret; +} + /** * smu_v12_0_get_gfxoff_status - get gfxoff status * -- cgit