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-rw-r--r--drivers/gpu/drm/nouveau/nouveau_dp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c
index b3644651d89b..302b2f7d0678 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dp.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dp.c
@@ -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.