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| author | Dave Airlie | 2009-11-25 23:55:18 +0100 |
|---|---|---|
| committer | Dave Airlie | 2009-12-08 01:22:46 +0100 |
| commit | 5fbfce7fc906c4a9e3d5e0872e5d6affaca54761 (patch) | |
| tree | b6dd08f08dc8121f71e0b5a57911737fcfd6ad51 /drivers/gpu | |
| parent | drm/radeon/kms/dp: fix return in dpcd retrival. (diff) | |
| download | kernel-qcow2-linux-5fbfce7fc906c4a9e3d5e0872e5d6affaca54761.tar.gz kernel-qcow2-linux-5fbfce7fc906c4a9e3d5e0872e5d6affaca54761.tar.xz kernel-qcow2-linux-5fbfce7fc906c4a9e3d5e0872e5d6affaca54761.zip | |
drm/radeon/kms: make displayport work by reorganising vsemph setup.
This fix reorganises the initial DP link training slightly, and
actually makes DP work under kms here.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_dp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 65c82395c8e0..28741d40bf66 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -627,11 +627,12 @@ void dp_link_train(struct drm_encoder *encoder, /* set initial vs/emph */ memset(train_set, 0, 4); - dp_update_dpvs_emph(radeon_connector, encoder, train_set); udelay(400); /* set training pattern 1 on the sink */ dp_set_training(radeon_connector, DP_TRAINING_PATTERN_1); + dp_update_dpvs_emph(radeon_connector, encoder, train_set); + /* clock recovery loop */ clock_recovery = false; tries = 0; |