[PATCH 101/159] drm/amd/pm: Set no fan control flag as needed.

[Alex Deucher]

From: Lijo Lazar <lijo.lazar at amd.com>

For GPUs that don't support fan control, set the no fan control flag so
that they don't appear in hwmon sensors.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index cf81b2ac2232..90a00bb986b3 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -995,6 +995,10 @@ static int smu_sw_init(void *handle)
 		return ret;
 	}
 
+	/* If there is no way to query fan control mode, fan control is not supported */
+	if (!smu->ppt_funcs->get_fan_control_mode)
+		smu->adev->pm.no_fan = true;
+
 	return 0;
 }
 
-- 
2.29.2