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drm/nv50-/kms: remove unnecessary wait-for-completion points 

DP link training is now handled as part of the supervisor processing,
and can no longer race with it.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-02-20 14:34:18 +10:00
parent 0a0afd282f
commit 5a885f0b75
1 changed files with 2 additions and 10 deletions
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12
drivers/gpu/drm/nouveau/nv50_display.c
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@ -1738,14 +1738,6 @@ nv50_sor_disconnect(struct drm_encoder *encoder)
nv_encoder->crtc = NULL;
}
static void
nv50_sor_prepare(struct drm_encoder *encoder)
{
nv50_sor_disconnect(encoder);
if (nouveau_encoder(encoder)->dcb->type == DCB_OUTPUT_DP)
evo_sync(encoder->dev);
}
static void
nv50_sor_commit(struct drm_encoder *encoder)
{
@ -1883,7 +1875,7 @@ nv50_sor_destroy(struct drm_encoder *encoder)
static const struct drm_encoder_helper_funcs nv50_sor_hfunc = {
.dpms = nv50_sor_dpms,
.mode_fixup = nv50_sor_mode_fixup,
.prepare = nv50_sor_prepare,
.prepare = nv50_sor_disconnect,
.commit = nv50_sor_commit,
.mode_set = nv50_sor_mode_set,
.disable = nv50_sor_disconnect,
@ -1946,7 +1938,7 @@ nv50_display_init(struct drm_device *dev)
evo_mthd(push, 0x0088, 1);
evo_data(push, NvEvoSync);
evo_kick(push, nv50_mast(dev));
return evo_sync(dev);
return 0;
}
return -EBUSY;