drm/amdgpu: Fix get each xcp macro

[ Upstream commit ef126c0 ]

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 <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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

@@ -179,6 +179,6 @@ 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