Commit 9750ad5a authored by Lijo Lazar's avatar Lijo Lazar Committed by Alex Deucher
Browse files

drm/amdgpu: Add xgmi API to set max speed/width 



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

Signed-off-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Reviewed-by: default avatarAsad Kamal <asad.kamal@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8c9eb6ce

drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c

+7 −0
Original line number Diff line number Diff line
@@ -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;

}

drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h

+2 −0
Original line number Diff line number Diff line
@@ -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