[PATCH 2/4] drm/amdgpu: Add xgmi API to set max speed/width

[Lijo Lazar]

Add an API to set the max possible xgmi speed/width.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 7 +++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index 6f9997198518..1ede308a7c67 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -1786,3 +1786,10 @@ void amdgpu_xgmi_early_init(struct amdgpu_device *adev)
 		break;
 	}
 }
+
+void amgpu_xgmi_set_max_speed_width(struct amdgpu_device *adev,
+				    uint16_t max_speed, uint8_t max_width)
+{
+	adev->gmc.xgmi.max_speed = max_speed;
+	adev->gmc.xgmi.max_width = max_width;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h
index 433d94f52ac3..bba0b26fee8f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h
@@ -124,4 +124,6 @@ int amdgpu_xgmi_get_ext_link(struct amdgpu_device *adev, int link_num);
 void amdgpu_xgmi_early_init(struct amdgpu_device *adev);
 uint32_t amdgpu_xgmi_get_max_bandwidth(struct amdgpu_device *adev);
 
+void amgpu_xgmi_set_max_speed_width(struct amdgpu_device *adev,
+				    uint16_t max_speed, uint8_t max_width);
 #endif
-- 
2.25.1