Commit 126ce89a authored Oct 08, 2019 by Fuad Hossain

disp: msm: dp: Check if DP version supports FEC and DSC



FEC and DSC are only supported in DP 1.4 onwards.
Read FEC and DSC capabilities only if this
requirement is met. This will ensure backwards
compatibility with older DP devices.

CRs-Fixed: 2541795
Change-Id: I65a6cb903f332e896946dc3b9da4d95a14fac939
Signed-off-by: Fuad Hossain <fhossain@codeaurora.org>

parent cc1226ed

msm/dp/dp_panel.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -2152,7 +2152,8 @@ static int dp_panel_read_sink_caps(struct dp_panel *dp_panel,
		dp_panel->fec_en = false;
		dp_panel->dsc_en = false;

		if (dp_panel->fec_feature_enable) {
		if (dp_panel->dpcd[DP_DPCD_REV] >= DP_DPCD_REV_14 &&
		dp_panel->fec_feature_enable) {
		dp_panel_read_sink_fec_caps(dp_panel);

		if (dp_panel->dsc_feature_enable && dp_panel->fec_en)