drm/amdgpu: Fix get each xcp macro

Fix get each xcp macro to loop over each partition correctly

Fixes: 4bdca20 ("drm/amdgpu: Add utility functions for xcp")
Signed-off-by: Asad Kamal <[email protected]>
Reviewed-by: Lijo Lazar <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: Asad Kamal

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

@@ -180,6 +180,6 @@ amdgpu_get_next_xcp(struct amdgpu_xcp_mgr *xcp_mgr, int *from)
 
 #define for_each_xcp(xcp_mgr, xcp, i)                            \
 	for (i = 0, xcp = amdgpu_get_next_xcp(xcp_mgr, &i); xcp; \
-	     xcp = amdgpu_get_next_xcp(xcp_mgr, &i))
+	     ++i, xcp = amdgpu_get_next_xcp(xcp_mgr, &i))
 
 #endif