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From 1e26a2a9c7ce23727c4d85fac839abdae2aeb953 Mon Sep 17 00:00:00 2001
From: Kevin Wang <Kevin1.Wang@amd.com>
Date: Tue, 15 Jan 2019 12:37:35 +0800
Subject: [PATCH 1413/2940] drm/amd/powerplay: implement sensor of
thermal_get_temperature for smu11
add sensor interface of thermal temperature for debugfs and hwmon.
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 26 ++++++++++++++++++++++
drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 1 +
drivers/gpu/drm/amd/powerplay/vega20_ppt.h | 1 -
3 files changed, 27 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 659e911636bb..d84593abbb5e 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -45,6 +45,8 @@ MODULE_FIRMWARE("amdgpu/vega20_smc.bin");
#define SMU11_THERMAL_MINIMUM_ALERT_TEMP 0
#define SMU11_THERMAL_MAXIMUM_ALERT_TEMP 255
+#define SMU11_TEMPERATURE_UNITS_PER_CENTIGRADES 1000
+
static int smu_v11_0_send_msg_without_waiting(struct smu_context *smu,
uint16_t msg)
{
@@ -1010,6 +1012,26 @@ static int smu_v11_0_get_current_activity_percent(struct smu_context *smu,
return 0;
}
+static int smu_v11_0_thermal_get_temperature(struct smu_context *smu, uint32_t *value)
+{
+ struct amdgpu_device *adev = smu->adev;
+ uint32_t temp = 0;
+
+ if (!value)
+ return -EINVAL;
+
+ temp = RREG32_SOC15(THM, 0, mmCG_MULT_THERMAL_STATUS);
+ temp = (temp & CG_MULT_THERMAL_STATUS__CTF_TEMP_MASK) >>
+ CG_MULT_THERMAL_STATUS__CTF_TEMP__SHIFT;
+
+ temp = temp & 0x1ff;
+ temp *= SMU11_TEMPERATURE_UNITS_PER_CENTIGRADES;
+
+ *value = temp;
+
+ return 0;
+}
+
static int smu_v11_0_read_sensor(struct smu_context *smu,
enum amd_pp_sensors sensor,
void *data, uint32_t *size)
@@ -1029,6 +1051,10 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
ret = smu_get_current_clk_freq(smu, PPCLK_GFXCLK, (uint32_t *)data);
*size = 4;
break;
+ case AMDGPU_PP_SENSOR_GPU_TEMP:
+ ret = smu_v11_0_thermal_get_temperature(smu, (uint32_t *)data);
+ *size = 4;
+ break;
default:
ret = -EINVAL;
break;
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
index 16eb5a14bebc..55e1b8d7faf5 100644
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
@@ -794,6 +794,7 @@ static const struct pptable_funcs vega20_ppt_funcs = {
.populate_umd_state_clk = vega20_populate_umd_state_clk,
.print_clk_levels = vega20_print_clk_levels,
.force_clk_levels = vega20_force_clk_levels,
+
};
void vega20_set_ppt_funcs(struct smu_context *smu)
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.h b/drivers/gpu/drm/amd/powerplay/vega20_ppt.h
index ceba4f7dbab4..419dae34fa6b 100644
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.h
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.h
@@ -28,7 +28,6 @@
#define MAX_REGULAR_DPM_NUMBER 16
#define MAX_PCIE_CONF 2
-
struct vega20_dpm_level {
bool enabled;
uint32_t value;
--
2.17.1
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