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drm/amd/display: Updating Video Format Fall Back Policy.

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[WHY]
Adding 1920x1080 as fail safe mode for
Video Format Fall Back Policy.

Reviewed-by: Jerry Zuo <Jerry.Zuo@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Jasdeep Dhillon <jdhillon@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jasdeep Dhillon
2023-01-25 10:50:19 -05:00
committed by Alex Deucher
parent c69fc3d0de
commit c32699caec
3 changed files with 7 additions and 0 deletions
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5
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -7160,12 +7160,17 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
to_amdgpu_dm_connector(connector);
struct drm_encoder *encoder;
struct edid *edid = amdgpu_dm_connector->edid;
struct dc_link_settings *verified_link_cap =
&amdgpu_dm_connector->dc_link->verified_link_cap;
encoder = amdgpu_dm_connector_to_encoder(connector);
if (!drm_edid_is_valid(edid)) {
amdgpu_dm_connector->num_modes =
drm_add_modes_noedid(connector, 640, 480);
if (link_dp_get_encoding_format(verified_link_cap) == DP_128b_132b_ENCODING)
amdgpu_dm_connector->num_modes +=
drm_add_modes_noedid(connector, 1920, 1080);
} else {
amdgpu_dm_connector_ddc_get_modes(connector, edid);
amdgpu_dm_connector_add_common_modes(encoder, connector);