diff options
| author | Jasdeep Dhillon <jdhillon@amd.com> | 2023-01-25 10:50:19 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-02-28 14:29:35 -0500 |
| commit | c32699caeca802cfa3416f798abcff719d1633f7 (patch) | |
| tree | 4a5a821d97af21e8592e7a0f05f0e6b5d2932673 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | c69fc3d0de6ca79d946a2715f8745a1eae69c3d8 (diff) | |
| download | lwn-c32699caeca802cfa3416f798abcff719d1633f7.tar.gz lwn-c32699caeca802cfa3416f798abcff719d1633f7.zip | |
drm/amd/display: Updating Video Format Fall Back Policy.
[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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 9534bb8cb40e..cfbde4fde852 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -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); |