[AMD Official Use Only - Internal Distribution Only]
Reviewed-by: Kenneth Feng <kenneth.f...@amd.com>
-----Original Message-----
From: Wang, Kevin(Yang) <kevin1.w...@amd.com>
Sent: Monday, July 27, 2020 11:05 AM
To: amd-gfx@lists.freedesktop.org
Cc: Feng, Kenneth <kenneth.f...@amd.com>; Wang, Kevin(Yang)
<kevin1.w...@amd.com>
Subject: [PATCH 1/2] drm/amd/swsmu: allow asic to handle sensor type by itself
1. allow asic to handle sensor type by itself.
2. if not, use smu common sensor to handle it.
Signed-off-by: Kevin Wang <kevin1.w...@amd.com>
---
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 3b427fa099fe..55463e7a11e2 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -1948,6 +1948,10 @@ int smu_read_sensor(struct smu_context *smu,
mutex_lock(&smu->mutex);
+ if (smu->ppt_funcs->read_sensor)
+ if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size))
+ goto unlock;
+
switch (sensor) {
case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
*((uint32_t *)data) = pstate_table->gfxclk_pstate.standard *
100; @@ -1978,11 +1982,12 @@ int smu_read_sensor(struct smu_context *smu,
*size = 4;
break;
default:
- if (smu->ppt_funcs->read_sensor)
- ret = smu->ppt_funcs->read_sensor(smu, sensor, data,
size);
+ *size = 0;
+ ret = -EOPNOTSUPP;
break;
}
+unlock:
mutex_unlock(&smu->mutex);
return ret;
--
2.27.0
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