From: Lijo Lazar <lijo.lazar@xxxxxxx> commit 3ce3f85787352fa48fc02ef6cbd7a5e5aba93347 upstream. For DPX mode, the number of memory partitions supported should be less than or equal to 2. Fixes: 1589c82a1085 ("drm/amdgpu: Check memory ranges for valid xcp mode") Signed-off-by: Lijo Lazar <lijo.lazar@xxxxxxx> Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> (cherry picked from commit 990c4f580742de7bb78fa57420ffd182fc3ab4cd) Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c +++ b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c @@ -440,7 +440,7 @@ static bool __aqua_vanjaram_is_valid_mod case AMDGPU_SPX_PARTITION_MODE: return adev->gmc.num_mem_partitions == 1 && num_xcc > 0; case AMDGPU_DPX_PARTITION_MODE: - return adev->gmc.num_mem_partitions != 8 && (num_xcc % 4) == 0; + return adev->gmc.num_mem_partitions <= 2 && (num_xcc % 4) == 0; case AMDGPU_TPX_PARTITION_MODE: return (adev->gmc.num_mem_partitions == 1 || adev->gmc.num_mem_partitions == 3) && Patches currently in stable-queue which might be from lijo.lazar@xxxxxxx are queue-6.6/drm-amdgpu-fix-dpx-valid-mode-check-on-gc-9.4.3.patch