drm/amdgpu: Fix xGMI access P2P mapping failure on GFXIP 9.4.3

On GFXIP 9.4.3, we dont need to rely on xGMI hive info to determine P2P
access.

Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-and-tested-by:  Mukul Joshi <mukul.joshi@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 59404b3e6b876d08cb158e14ee7562e4980e49a5..c4b949d17e14cb51181701d6c29f099820f890a2 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -814,7 +814,7 @@ static int kfd_mem_attach(struct amdgpu_device *adev, struct kgd_mem *mem,
         * if peer device has large BAR. In contrast, access over xGMI is
         * allowed for both small and large BAR configurations of peer device
         */
-       if ((adev != bo_adev) &&
+       if ((adev != bo_adev && !adev->gmc.is_app_apu) &&
            ((mem->domain == AMDGPU_GEM_DOMAIN_VRAM) ||
             (mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL) ||
             (mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_MMIO_REMAP))) {