Commit 7cb3eb33 authored by Mika Kahola's avatar Mika Kahola Committed by Radhakrishna Sripada
Browse files

drm/i915/mtl: Add DP rates 



Add DP rates for Meteorlake.

Reviewed-by: default avatarVinod Govindapillai <vinod.govindapillai@intel.com>
Signed-off-by: default avatarRadhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: default avatarMika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230413212443.1504245-2-radhakrishna.sripada@intel.com
parent 446a20c9

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

+14 −1
Original line number Diff line number Diff line
@@ -420,6 +420,11 @@ static int ehl_max_source_rate(struct intel_dp *intel_dp) 
	return 810000;

}



static int mtl_max_source_rate(struct intel_dp *intel_dp)

{

	return intel_dp_is_edp(intel_dp) ? 675000 : 810000;

}



static int vbt_max_link_rate(struct intel_dp *intel_dp)

{

	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
@@ -444,6 +449,10 @@ static void 
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,

	};

	static const int icl_rates[] = {

		162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000,

		1000000, 1350000,
@@ -469,7 +478,11 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) 
	drm_WARN_ON(&dev_priv->drm,

		    intel_dp->source_rates || intel_dp->num_source_rates);



	if (DISPLAY_VER(dev_priv) >= 11) {

	if (DISPLAY_VER(dev_priv) >= 14) {

		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;

		size = ARRAY_SIZE(icl_rates);

		if (IS_DG2(dev_priv))