drm/i915/dp: Remove support for UHBR13.5

commit caf3d74 upstream.

UHBR13.5 is not supported in MTL and also the DP2.1 spec says UHBR13.5
is optional. Hence removing UHBR135 from the supported link rates.

v2: Reframed the commit message and added link to the issue.

deepin-Intel-SIG: commit caf3d74 drm/i915/dp: Remove support for UHBR13.5.
MTL Graphics backporting - 2024Q2

Signed-off-by: Arun R Murthy <[email protected]>
Fixes: 62618c7 ("drm/i915/mtl: C20 PLL programming")
Reviewed-by: Jani Nikula <[email protected]>
Signed-off-by: Animesh Manna <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
(cherry picked from commit ddf8a8b)
Signed-off-by: Rodrigo Vivi <[email protected]>
[ Quanxian Wang: amend commit log ]
Signed-off-by: Quanxian Wang <[email protected]>

drivers/gpu/drm/i915/display/intel_dp.c

@@ -465,7 +465,7 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp)
 	/* The values must be in increasing order */
 	static const int mtl_rates[] = {
 		162000, 216000, 243000, 270000, 324000, 432000, 540000, 675000,
-		810000,	1000000, 1350000, 2000000,
+		810000,	1000000, 2000000,
 	};
 	static const int icl_rates[] = {
 		162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000,