Commit 3b7c5975 authored Jan 09, 2020 by Mario Kleiner Committed by Alex Deucher Jan 15, 2020

drm/amd/display: Reorder detect_edp_sink_caps before link settings read.



read_current_link_settings_on_detect() on eDP 1.4+ may use the
edp_supported_link_rates table which is set up by
detect_edp_sink_caps(), so that function needs to be called first.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Cc: Martin Leung <martin.leung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

parent f2360e33

drivers/gpu/drm/amd/display/dc/core/dc_link.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -817,8 +817,8 @@ static bool dc_link_detect_helper(struct dc_link *link,
		}

		case SIGNAL_TYPE_EDP: {
		read_current_link_settings_on_detect(link);
		detect_edp_sink_caps(link);
		read_current_link_settings_on_detect(link);
		sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
		sink_caps.signal = SIGNAL_TYPE_EDP;
		break;

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