drm/nouveau: protect channel create/destroy and irq handler with a spinlock

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The nv50 pgraph handler (for example) could reenable pgraph fifo access
and that would be bad when pgraph context is being unloaded (we need the
guarantee a ctxprog isn't running).

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

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This commit is contained in:

Maarten Maathuis 2010-02-01 20:58:27 +01:00 • committed by Ben Skeggs

parent 6c42966768

commit ff9e5279b1

7 changed files with 36 additions and 1 deletions

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13

drivers/gpu/drm/nouveau/nouveau_channel.c

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3

drivers/gpu/drm/nouveau/nouveau_drv.h

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5

drivers/gpu/drm/nouveau/nouveau_irq.c

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1

drivers/gpu/drm/nouveau/nouveau_state.c

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5

drivers/gpu/drm/nouveau/nv04_fifo.c

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5

drivers/gpu/drm/nouveau/nv40_fifo.c

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5

drivers/gpu/drm/nouveau/nv50_fifo.c

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