diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2012-03-11 21:16:55 -0400 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-03-13 03:15:05 -0400 |
| commit | 6860dc8251eacd1672fa660b85bb59a45350aa70 (patch) | |
| tree | ca9b5de022f9b9db305d8f1fbdcf239749715e55 /drivers/gpu/drm | |
| parent | c674844bab6df084ef1c93d65925af6e1bfb06a0 (diff) | |
drm/nouveau/dp: account for channel coding overhead in link training
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dp.c | 3 |
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, | |||
| 422 | dp.auxch = auxch->drive; | 422 | dp.auxch = auxch->drive; |
| 423 | dp.dpcd = nv_encoder->dp.dpcd; | 423 | dp.dpcd = nv_encoder->dp.dpcd; |
| 424 | 424 | ||
| 425 | /* adjust required bandwidth for 8B/10B coding overhead */ | ||
| 426 | datarate = (datarate / 8) * 10; | ||
| 427 | |||
| 425 | /* some sinks toggle hotplug in response to some of the actions | 428 | /* some sinks toggle hotplug in response to some of the actions |
| 426 | * we take during link training (DP_SET_POWER is one), we need | 429 | * we take during link training (DP_SET_POWER is one), we need |
| 427 | * to ignore them for the moment to avoid races. | 430 | * to ignore them for the moment to avoid races. |