drm/amdgpu/display: change pipe policy for DCN 2.1
commit
0dde772b2f406686be2f00f43beeed832a93516f upstream.
Fixes crash on MST Hub disconnect.
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1849
Fixes: f446523c418e ("drm/amd/display: Changed pipe split policy to allow for multi-display pipe split")
Signed-off-by: Benjamin Marty <info@benjaminmarty.ch>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>