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path: root/drivers/gpu/drm/radeon/radeon_dp_mst.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_dp_mst.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_dp_mst.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c
index 744f5c49c664..df7a1719c841 100644
--- a/drivers/gpu/drm/radeon/radeon_dp_mst.c
+++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c
@@ -329,7 +329,7 @@ static void radeon_dp_mst_hotplug(struct drm_dp_mst_topology_mgr *mgr)
drm_kms_helper_hotplug_event(dev);
}
-struct drm_dp_mst_topology_cbs mst_cbs = {
+const struct drm_dp_mst_topology_cbs mst_cbs = {
.add_connector = radeon_dp_add_mst_connector,
.register_connector = radeon_dp_register_mst_connector,
.destroy_connector = radeon_dp_destroy_mst_connector,
@@ -525,11 +525,17 @@ static bool radeon_mst_mode_fixup(struct drm_encoder *encoder,
drm_mode_set_crtcinfo(adjusted_mode, 0);
{
struct radeon_connector_atom_dig *dig_connector;
+ int ret;
dig_connector = mst_enc->connector->con_priv;
- dig_connector->dp_lane_count = drm_dp_max_lane_count(dig_connector->dpcd);
- dig_connector->dp_clock = radeon_dp_get_max_link_rate(&mst_enc->connector->base,
- dig_connector->dpcd);
+ ret = radeon_dp_get_dp_link_config(&mst_enc->connector->base,
+ dig_connector->dpcd, adjusted_mode->clock,
+ &dig_connector->dp_lane_count,
+ &dig_connector->dp_clock);
+ if (ret) {
+ dig_connector->dp_lane_count = 0;
+ dig_connector->dp_clock = 0;
+ }
DRM_DEBUG_KMS("dig clock %p %d %d\n", dig_connector,
dig_connector->dp_lane_count, dig_connector->dp_clock);
}
@@ -641,7 +647,7 @@ radeon_dp_create_fake_mst_encoder(struct radeon_connector *connector)
}
drm_encoder_init(dev, &radeon_encoder->base, &radeon_dp_mst_enc_funcs,
- DRM_MODE_ENCODER_DPMST);
+ DRM_MODE_ENCODER_DPMST, NULL);
drm_encoder_helper_add(encoder, &radeon_mst_helper_funcs);
mst_enc = radeon_encoder->enc_priv;