Commit 6860dc82 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/dp: account for channel coding overhead in link training


Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent c674844b
......@@ -422,6 +422,9 @@ nouveau_dp_link_train(struct drm_encoder *encoder, u32 datarate,
dp.auxch = auxch->drive;
dp.dpcd = nv_encoder->dp.dpcd;
/* adjust required bandwidth for 8B/10B coding overhead */
datarate = (datarate / 8) * 10;
/* some sinks toggle hotplug in response to some of the actions
* we take during link training (DP_SET_POWER is one), we need
* to ignore them for the moment to avoid races.
......
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