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From 36b36bf0367af51cade1e9ee243f9d4ce6f250e6 Mon Sep 17 00:00:00 2001
From: Kevin Wang <kevin1.wang@amd.com>
Date: Fri, 16 Aug 2019 15:17:42 +0800
Subject: [PATCH 3470/4256] drm/amd/powerplay: add smu_smc_read_sensor support
for arcturus
the bellow patch refine the sensor read sequence,
but missed to add arcuturs support. (arcuturs_ppt.c)
it will cause some sensor is not supported in arcturus.
drm/amd/powerplay: change smu_read_sensor sequence in smu
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
---
drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
index fdf5b2c47cd0..5443403f9eea 100644
--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
@@ -1022,6 +1022,9 @@ static int arcturus_read_sensor(struct smu_context *smu,
PPTable_t *pptable = table_context->driver_pptable;
int ret = 0;
+ if (!data || !size)
+ return -EINVAL;
+
switch (sensor) {
case AMDGPU_PP_SENSOR_MAX_FAN_RPM:
*(uint32_t *)data = pptable->FanMaximumRpm;
@@ -1046,7 +1049,7 @@ static int arcturus_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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