drm/nouveau: use shared fences for readable objects

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nouveau keeps track in userspace whether a buffer is being
written to or being read, but it doesn't use that information.

Change this to allow multiple readers on the same bo.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>

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This commit is contained in:

Maarten Lankhorst 2014-04-09 16:19:30 +02:00

parent 9242829a87

commit 809e9447b9

6 changed files with 68 additions and 47 deletions

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11

drivers/gpu/drm/nouveau/nouveau_bo.c

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2

drivers/gpu/drm/nouveau/nouveau_bo.h

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6

drivers/gpu/drm/nouveau/nouveau_display.c

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59

drivers/gpu/drm/nouveau/nouveau_fence.c

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4

drivers/gpu/drm/nouveau/nouveau_fence.h

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37

drivers/gpu/drm/nouveau/nouveau_gem.c

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