drm/i915/dp_mst: Don't require DSC hblank quirk for a non-DSC compatible mode

jira NONE_AUTOMATION
Rebuild_History Non-Buildable kernel-5.14.0-570.18.1.el9_6
commit-author Imre Deak <imre.deak@intel.com>
commit 4e75c3e

If an MST branch device doesn't support DSC for a given mode, but the
MST link has enough BW for the mode, assume that the branch device does
support the mode using an uncompressed stream.

Fixes: 55eaef1 ("drm/i915/dp_mst: Handle the Synaptics HBlank expansion quirk")
	Cc: stable@vger.kernel.org # v6.8+
	Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
	Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241009110135.1216498-2-imre.deak@intel.com
(cherry picked from commit 4e75c3e)
	Signed-off-by: Jonathan Maple <jmaple@ciq.com>

Author: PlaidCat