drm/amdgpu: Add SI Family information

Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -1245,6 +1245,7 @@ static int amdgpu_early_init(struct amdgpu_device *adev)
 	case CHIP_PITCAIRN:
 	case CHIP_OLAND:
 	case CHIP_HAINAN:
+		adev->family = AMDGPU_FAMILY_SI;
 		r = si_set_ip_blocks(adev);
 		if (r)
 			return r;

include/uapi/drm/amdgpu_drm.h

@@ -649,6 +649,7 @@ struct drm_amdgpu_info_hw_ip {
  * Supported GPU families
  */
 #define AMDGPU_FAMILY_UNKNOWN			0
+#define AMDGPU_FAMILY_SI			110 /* Hainan, Oland, Verde, Pitcairn, Tahiti */
 #define AMDGPU_FAMILY_CI			120 /* Bonaire, Hawaii */
 #define AMDGPU_FAMILY_KV			125 /* Kaveri, Kabini, Mullins */
 #define AMDGPU_FAMILY_VI			130 /* Iceland, Tonga */