diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2020-09-04 14:53:50 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2020-09-17 18:38:14 +0300 |
| commit | 4b3bb839873f9e8c3c7f6297274d48d50388c16b (patch) | |
| tree | 8445a0371a0fa7f90b3a77587f93cc031a928821 | |
| parent | 7af655bce275f49b200b552921e55673624943c5 (diff) | |
drm/i915: Handle downstream facing ports w/o EDID
Use drm_dp_downstream_mode() to get a suitable mode for downstream
facing ports which don't have an EDID.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200904115354.25336-15-ville.syrjala@linux.intel.com
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 2538ffaa7463..124b23e419a0 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -6313,7 +6313,7 @@ static int intel_dp_get_modes(struct drm_connector *connector) } /* if eDP has no EDID, fall back to fixed mode */ - if (intel_dp_is_edp(intel_attached_dp(to_intel_connector(connector))) && + if (intel_dp_is_edp(intel_attached_dp(intel_connector)) && intel_connector->panel.fixed_mode) { struct drm_display_mode *mode; @@ -6325,6 +6325,19 @@ static int intel_dp_get_modes(struct drm_connector *connector) } } + if (!edid) { + struct intel_dp *intel_dp = intel_attached_dp(intel_connector); + struct drm_display_mode *mode; + + mode = drm_dp_downstream_mode(connector->dev, + intel_dp->dpcd, + intel_dp->downstream_ports); + if (mode) { + drm_mode_probed_add(connector, mode); + return 1; + } + } + return 0; } |