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drm/nv50-/kms: wait for enough ring space in crtc_prepare()

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-05-19 14:54:33 +10:00
parent 6e8e268bac
commit 56d237d268
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/nouveau/nv50_display.c
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@ -1,4 +1,4 @@
/*
/*
* Copyright 2011 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@ -957,7 +957,7 @@ nv50_crtc_prepare(struct drm_crtc *crtc)
nv50_display_flip_stop(crtc);
push = evo_wait(mast, 2);
push = evo_wait(mast, 6);
if (push) {
if (nv50_vers(mast) < NV84_DISP_MAST_CLASS) {
evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);