Commit fcd33d43 authored by Arun R Murthy's avatar Arun R Murthy Committed by Joonas Lahtinen
Browse files

drm/i915/display: BMG supports UHBR13.5 



UHBR20 is not supported by battlemage and the maximum link rate
supported is UHBR13.5

v2: Replace IS_DGFX with IS_BATTLEMAGE (Jani)

HSD: 16023263677
Signed-off-by: default avatarArun R Murthy <arun.r.murthy@intel.com>
Reviewed-by: default avatarMika Kahola <mika.kahola@intel.com>
Fixes: 98b1c87a ("drm/i915/xe2hpd: Set maximum DP rate to UHBR13.5")
Signed-off-by: default avatarSuraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240827081205.136569-1-arun.r.murthy@intel.com


(cherry picked from commit 9c2338ac)
Signed-off-by: default avatarJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
parent 9498f2e2

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

+11 −2
Original line number Diff line number Diff line
@@ -531,6 +531,10 @@ static void 
intel_dp_set_source_rates(struct intel_dp *intel_dp)

{

	/* The values must be in increasing order */

	static const int bmg_rates[] = {

		162000, 216000, 243000, 270000, 324000, 432000, 540000, 675000,

		810000,	1000000, 1350000,

	};

	static const int mtl_rates[] = {

		162000, 216000, 243000, 270000, 324000, 432000, 540000, 675000,

		810000,	1000000, 2000000,
@@ -561,8 +565,13 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) 
		    intel_dp->source_rates || intel_dp->num_source_rates);



	if (DISPLAY_VER(dev_priv) >= 14) {

		if (IS_BATTLEMAGE(dev_priv)) {

			source_rates = bmg_rates;

			size = ARRAY_SIZE(bmg_rates);

		} else {

			source_rates = mtl_rates;

			size = ARRAY_SIZE(mtl_rates);

		}

		max_rate = mtl_max_source_rate(intel_dp);

	} else if (DISPLAY_VER(dev_priv) >= 11) {

		source_rates = icl_rates;