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[AMD Official Use Only - Internal Distribution Only]<br>
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Series are Reviewed-by: Kevin Wang <kevin1.wang@amd.com></div>
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Best Regards,</div>
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Kevin</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Xiaomeng Hou <Xiaomeng.Hou@amd.com><br>
<b>Sent:</b> Thursday, December 5, 2019 7:50 PM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br>
<b>Cc:</b> Hou, Xiaomeng (Matthew) <Xiaomeng.Hou@amd.com><br>
<b>Subject:</b> [PATCH 1/4] drm/amd/powerplay: implement interface to retrieve gpu temperature for renoir</font>
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<div class="PlainText">add sensor interface of get gpu temperature for debugfs.<br>
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Change-Id: I2499b6652fad6d5d776b6ed4cd5157636583ed39<br>
Signed-off-by: Xiaomeng Hou <Xiaomeng.Hou@amd.com><br>
---<br>
drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 22 ++++++++++++++++++++++<br>
1 file changed, 22 insertions(+)<br>
<br>
diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c<br>
index 3788047bd704..3f6f0ebf1fbe 100644<br>
--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c<br>
+++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c<br>
@@ -429,6 +429,24 @@ static int renoir_get_gpu_power(struct smu_context *smu, uint32_t *value)<br>
return 0;<br>
}<br>
<br>
+static int renoir_get_gpu_temperature(struct smu_context *smu, uint32_t *value)<br>
+{<br>
+ int ret = 0;<br>
+ SmuMetrics_t metrics;<br>
+<br>
+ if (!value)<br>
+ return -EINVAL;<br>
+<br>
+ ret = renoir_get_metrics_table(smu, &metrics);<br>
+ if (ret)<br>
+ return ret;<br>
+<br>
+ *value = (metrics.GfxTemperature / 100) *<br>
+ SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;<br>
+<br>
+ return 0;<br>
+}<br>
+<br>
static int renoir_get_current_activity_percent(struct smu_context *smu,<br>
enum amd_pp_sensors sensor,<br>
uint32_t *value)<br>
@@ -787,6 +805,10 @@ static int renoir_read_sensor(struct smu_context *smu,<br>
ret = renoir_get_gpu_power(smu, (uint32_t *)data);<br>
*size = 4;<br>
break;<br>
+ case AMDGPU_PP_SENSOR_GPU_TEMP:<br>
+ ret = renoir_get_gpu_temperature(smu, (uint32_t *)data);<br>
+ *size = 4;<br>
+ break;<br>
default:<br>
ret = smu_v12_0_read_sensor(smu, sensor, data, size);<br>
}<br>
-- <br>
2.24.0<br>
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