drm/amd/display: fix unbounded requesting for high pixel rate modes on dcn315

drm/amd/display: fix unbounded requesting for high pixel rate modes on dcn315

[ Upstream commit 655435df0936ce2fda0d5ced7e50101179a3acfd ]

Unbounded requesting is getting configured for odm mode calculations which
is incorrect. This change checks whether mode requires odm ahead of time.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: 49f26218c344 ("drm/amd/display: fix dcn315 single stream crb allocation")
Signed-off-by: Sasha Levin <sashal@kernel.org>