diff options
| author | Maarten Maathuis <madman2003@gmail.com> | 2010-02-01 20:58:27 +0100 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-02-25 15:07:53 +1000 |
| commit | ff9e5279b14dc024599cc705ee199dadb94e90a3 (patch) | |
| tree | 4881498b0c5f0defdc14890783249b0514a8afde /drivers/gpu/drm/nouveau/nouveau_drv.h | |
| parent | 6c42966768b0254f465a8f451333795283f53d22 (diff) | |
drm/nouveau: protect channel create/destroy and irq handler with a spinlock
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>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_drv.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 1c15ef37b71..52cc13bd02b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -533,6 +533,9 @@ struct drm_nouveau_private { struct nouveau_engine engine; struct nouveau_channel *channel; + /* For PFIFO and PGRAPH. */ + spinlock_t context_switch_lock; + /* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */ struct nouveau_gpuobj *ramht; uint32_t ramin_rsvd_vram; |