drm/nv50: add a memory barrier to pushbuf submission

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- This is useful for vram pushbuffers that are write combined.
- pre-nv50 has one too (in WRITE_PUT).

Signed-off-by: Maarten Maathuis <madman2003@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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Maarten Maathuis 2010-02-25 20:00:38 +01:00 • committed by Ben Skeggs

parent 81441570c9

commit ce48fa93a6

1 changed files with 5 additions and 0 deletions

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drivers/gpu/drm/nouveau/nouveau_dma.c

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