Currently, only the GPU temperature, the shader clock and
eventually the memory clock are implemented. The main goal
is to expose this info to the userspace like Radeon.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h | 4 +++-
drivers/gpu/drm/amd/amdgpu/ci_dpm.c | 26 +++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/kv_dpm.c | 34 +++++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/si_dpm.c | 41 +++++++++++++++++++++++++++++++++
4 files changed, 104 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
index 98698dcf15c7..f1876808ff58 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
@@ -270,6 +270,8 @@ struct amdgpu_dpm_funcs {
struct amdgpu_ps *cps,
struct amdgpu_ps *rps,
bool *equal);
+ int (*read_sensor)(struct amdgpu_device *adev, int idx, void *value,
+ int *size);
struct amd_vce_state* (*get_vce_clock_state)(struct amdgpu_device *adev, unsigned idx);
int (*reset_power_profile_state)(struct amdgpu_device *adev,
@@ -293,7 +295,7 @@ struct amdgpu_dpm_funcs {
#define amdgpu_dpm_read_sensor(adev, idx, value, size) \
((adev)->pp_enabled ? \
(adev)->powerplay.pp_funcs->read_sensor(adev->powerplay.pp_handle, (idx), (value), (size)) : \
- -EINVAL)
+ (adev)->pm.funcs->read_sensor((adev), (idx), (value), (size)))
#define amdgpu_dpm_get_temperature(adev) \
((adev)->pp_enabled ? \
diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
index 578878d1d4c0..e3a06d6d9e99 100644
--- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
@@ -6936,6 +6936,31 @@ static int ci_dpm_switch_power_profile(struct amdgpu_device *adev,
return 0;
}
+static int ci_dpm_read_sensor(struct amdgpu_device *adev, int idx,
+ void *value, int *size)
+{
+ /* size must be at least 4 bytes for all sensors */
+ if (*size < 4)
+ return -EINVAL;
+
+ switch (idx) {
+ case AMDGPU_PP_SENSOR_GFX_SCLK:
+ *((uint32_t *)value) = ci_get_average_sclk_freq(adev);
+ *size = 4;
+ return 0;
+ case AMDGPU_PP_SENSOR_GFX_MCLK:
+ *((uint32_t *)value) = ci_get_average_mclk_freq(adev);
+ *size = 4;
+ return 0;
+ case AMDGPU_PP_SENSOR_GPU_TEMP:
+ *((uint32_t *)value) = ci_dpm_get_temp(adev);
+ *size = 4;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
const struct amd_ip_funcs ci_dpm_ip_funcs = {
.name = "ci_dpm",
.early_init = ci_dpm_early_init,
@@ -6982,6 +7007,7 @@ static const struct amdgpu_dpm_funcs ci_dpm_funcs = {
.set_power_profile_state = ci_dpm_set_power_profile_state,
.reset_power_profile_state = ci_dpm_reset_power_profile_state,
.switch_power_profile = ci_dpm_switch_power_profile,
+ .read_sensor = ci_dpm_read_sensor,
};
static void ci_dpm_set_dpm_funcs(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
index f5a343cb0010..13f323745729 100644
--- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
@@ -3260,6 +3260,39 @@ static int kv_check_state_equal(struct amdgpu_device *adev,
return 0;
}
+static int kv_dpm_read_sensor(struct amdgpu_device *adev, int idx,
+ void *value, int *size)
+{
+ struct kv_power_info *pi = kv_get_pi(adev);
+ uint32_t sclk;
+ u32 pl_index =
+ (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
+ TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
+ TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
+
+ /* size must be at least 4 bytes for all sensors */
+ if (*size < 4)
+ return -EINVAL;
+
+ switch (idx) {
+ case AMDGPU_PP_SENSOR_GFX_SCLK:
+ if (pl_index < SMU__NUM_SCLK_DPM_STATE) {
+ sclk = be32_to_cpu(
+ pi->graphics_level[pl_index].SclkFrequency);
+ *((uint32_t *)value) = sclk;
+ *size = 4;
+ return 0;
+ }
+ return -EINVAL;
+ case AMDGPU_PP_SENSOR_GPU_TEMP:
+ *((uint32_t *)value) = kv_dpm_get_temp(adev);
+ *size = 4;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
const struct amd_ip_funcs kv_dpm_ip_funcs = {
.name = "kv_dpm",
.early_init = kv_dpm_early_init,
@@ -3292,6 +3325,7 @@ static const struct amdgpu_dpm_funcs kv_dpm_funcs = {
.enable_bapm = &kv_dpm_enable_bapm,
.get_vce_clock_state = amdgpu_get_vce_clock_state,
.check_state_equal = kv_check_state_equal,
+ .read_sensor = &kv_dpm_read_sensor,
};
static void kv_dpm_set_dpm_funcs(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
index f55e45b52fbc..ded6b9b7153e 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
@@ -7972,6 +7972,46 @@ static int si_check_state_equal(struct amdgpu_device *adev,
return 0;
}
+static int si_dpm_read_sensor(struct amdgpu_device *adev, int idx,
+ void *value, int *size)
+{
+ struct evergreen_power_info *eg_pi = evergreen_get_pi(adev);
+ struct amdgpu_ps *rps = &eg_pi->current_rps;
+ struct si_ps *ps = si_get_ps(rps);
+ uint32_t sclk, mclk;
+ u32 pl_index =
+ (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>
+ CURRENT_STATE_INDEX_SHIFT;
+
+ /* size must be at least 4 bytes for all sensors */
+ if (*size < 4)
+ return -EINVAL;
+
+ switch (idx) {
+ case AMDGPU_PP_SENSOR_GFX_SCLK:
+ if (pl_index < ps->performance_level_count) {
+ sclk = ps->performance_levels[pl_index].sclk;
+ *((uint32_t *)value) = sclk;
+ *size = 4;
+ return 0;
+ }
+ return -EINVAL;
+ case AMDGPU_PP_SENSOR_GFX_MCLK:
+ if (pl_index < ps->performance_level_count) {
+ mclk = ps->performance_levels[pl_index].mclk;
+ *((uint32_t *)value) = mclk;
+ *size = 4;
+ return 0;
+ }
+ return -EINVAL;
+ case AMDGPU_PP_SENSOR_GPU_TEMP:
+ *((uint32_t *)value) = si_dpm_get_temp(adev);
+ *size = 4;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
const struct amd_ip_funcs si_dpm_ip_funcs = {
.name = "si_dpm",
@@ -8008,6 +8048,7 @@ static const struct amdgpu_dpm_funcs si_dpm_funcs = {
.get_fan_speed_percent = &si_dpm_get_fan_speed_percent,
.check_state_equal = &si_check_state_equal,
.get_vce_clock_state = amdgpu_get_vce_clock_state,
+ .read_sensor = &si_dpm_read_sensor,
};
static void si_dpm_set_dpm_funcs(struct amdgpu_device *adev)
--
2.11.1
