From 49687e85711f354a5fc199bf9b27f8e0807ff1e1 Mon Sep 17 00:00:00 2001
From: Kevin Wang <kevin1.wang@amd.com>
Date: Mon, 27 Jul 2020 09:08:22 +0800
Subject: drm/amd/swsmu: allow asic to handle sensor type by itself
Git-commit: c4e0dbcb201a79639e5e74f456d8313893a259f5
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
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.wang@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
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 2da72f333ad9..8c624f1f33ba 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -1947,6 +1947,10 @@ 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;
@@ -1977,11 +1981,12 @@ 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;
--
2.29.2