Commit 3b070c60 authored May 22, 2018 by Mikita Lipski Committed by Alex Deucher Jun 15, 2018

drm/amd/display: Drop to fail-safe mode if edid is bad



Provide the connector with a single fail-safe mode of 640x480 for CTS
tests instead of providing a list of possible base modes.

Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 00553cf8

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -3424,6 +3424,10 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
		struct edid *edid = amdgpu_dm_connector->edid;

		encoder = helper->best_encoder(connector);

		if (!edid \|\| !drm_edid_is_valid(edid))
		return drm_add_modes_noedid(connector, 640, 480);

		amdgpu_dm_connector_ddc_get_modes(connector, edid);
		amdgpu_dm_connector_add_common_modes(encoder, connector);

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