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From 8b33cca7136c5aa019859361d9a15988d656fbbc Mon Sep 17 00:00:00 2001
From: Kenneth Feng <kenneth.feng@amd.com>
Date: Tue, 23 Jul 2019 12:16:25 +0800
Subject: [PATCH 3359/4256] drm/amd/powerplay: change smu_read_sensor sequence
in smu
change the smu_read_sensor sequence to:
asic specific sensor read -> smu v11 specific sensor read -> smu v11 common sensor read
Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
---
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 3 +++
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 4 ++--
drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 5 ++++-
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 8 ++++----
drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 5 ++++-
5 files changed, 17 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index f21bafb1a0d2..4df7fb6eaf3c 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -413,6 +413,9 @@ int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor,
struct smu_power_gate *power_gate = &smu_power->power_gate;
int ret = 0;
+ if(!data || !size)
+ return -EINVAL;
+
switch (sensor) {
case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
*((uint32_t *)data) = smu->pstate_sclk;
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index f813072ab9e4..ca9b9ec39de8 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -634,9 +634,9 @@ struct smu_funcs
#define smu_start_thermal_control(smu) \
((smu)->funcs->start_thermal_control? (smu)->funcs->start_thermal_control((smu)) : 0)
#define smu_read_sensor(smu, sensor, data, size) \
- ((smu)->funcs->read_sensor? (smu)->funcs->read_sensor((smu), (sensor), (data), (size)) : 0)
-#define smu_asic_read_sensor(smu, sensor, data, size) \
((smu)->ppt_funcs->read_sensor? (smu)->ppt_funcs->read_sensor((smu), (sensor), (data), (size)) : 0)
+#define smu_smc_read_sensor(smu, sensor, data, size) \
+ ((smu)->funcs->read_sensor? (smu)->funcs->read_sensor((smu), (sensor), (data), (size)) : -EINVAL)
#define smu_get_power_profile_mode(smu, buf) \
((smu)->ppt_funcs->get_power_profile_mode ? (smu)->ppt_funcs->get_power_profile_mode((smu), buf) : 0)
#define smu_set_power_profile_mode(smu, param, param_size) \
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index 7398b281cbb0..907035a6e995 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -1365,6 +1365,9 @@ static int navi10_read_sensor(struct smu_context *smu,
struct smu_table_context *table_context = &smu->smu_table;
PPTable_t *pptable = table_context->driver_pptable;
+ if(!data || !size)
+ return -EINVAL;
+
switch (sensor) {
case AMDGPU_PP_SENSOR_MAX_FAN_RPM:
*(uint32_t *)data = pptable->FanMaximumRpm;
@@ -1386,7 +1389,7 @@ static int navi10_read_sensor(struct smu_context *smu,
*size = 4;
break;
default:
- return -EINVAL;
+ ret = smu_smc_read_sensor(smu, sensor, data, size);
}
return ret;
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 91dfae1a2b16..071a63dd4ba2 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1227,6 +1227,10 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
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);
@@ -1249,10 +1253,6 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
break;
}
- /* try get sensor data by asic */
- if (ret)
- ret = smu_asic_read_sensor(smu, sensor, data, size);
-
if (ret)
*size = 0;
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
index e28c004e0036..acf075393c13 100644
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
@@ -3011,6 +3011,9 @@ static int vega20_read_sensor(struct smu_context *smu,
struct smu_table_context *table_context = &smu->smu_table;
PPTable_t *pptable = table_context->driver_pptable;
+ if(!data || !size)
+ return -EINVAL;
+
switch (sensor) {
case AMDGPU_PP_SENSOR_MAX_FAN_RPM:
*(uint32_t *)data = pptable->FanMaximumRpm;
@@ -3034,7 +3037,7 @@ static int vega20_read_sensor(struct smu_context *smu,
*size = 4;
break;
default:
- return -EINVAL;
+ ret = smu_smc_read_sensor(smu, sensor, data, size);
}
return ret;
--
2.17.1
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