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nouveau: Avoid oops 

Turns out lastclose() gets called even if firstopen() has never been...
main
Ben Skeggs 2007-07-09 15:37:37 +10:00
parent c806bba466
commit 3c58195ccd
2 changed files with 21 additions and 8 deletions
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6
shared-core/nouveau_drv.h
View File

@ -184,6 +184,12 @@ typedef struct nouveau_engine_func {
} nouveau_engine_func_t;
typedef struct drm_nouveau_private {
enum {
NOUVEAU_CARD_INIT_DOWN,
NOUVEAU_CARD_INIT_DONE,
NOUVEAU_CARD_INIT_FAILED
} init_state;
/* the card type, takes NV_* as values */
int card_type;
/* exact chipset, derived from NV_PMC_BOOT_0 */

7
shared-core/nouveau_state.c
View File

@ -280,6 +280,7 @@ static int nouveau_card_init(drm_device_t *dev)
ret = nouveau_init_engine_ptrs(dev);
if (ret) return ret;
engine = &dev_priv->Engine;
dev_priv->init_state = NOUVEAU_CARD_INIT_FAILED;
/* Initialise instance memory, must happen before mem_init so we
* know exactly how much VRAM we're able to use for "normal"
@ -316,6 +317,7 @@ static int nouveau_card_init(drm_device_t *dev)
/* what about PVIDEO/PCRTC/PRAMDAC etc? */
dev_priv->init_state = NOUVEAU_CARD_INIT_DONE;
return 0;
}
@ -324,6 +326,7 @@ static void nouveau_card_takedown(drm_device_t *dev)
drm_nouveau_private_t *dev_priv = dev->dev_private;
nouveau_engine_func_t *engine = &dev_priv->Engine;
if (dev_priv->init_state != NOUVEAU_CARD_INIT_DOWN) {
engine->fifo.takedown(dev);
engine->graph.takedown(dev);
engine->fb.takedown(dev);
@ -332,6 +335,9 @@ static void nouveau_card_takedown(drm_device_t *dev)
nouveau_gpuobj_takedown(dev);
nouveau_mem_close(dev);
engine->instmem.takedown(dev);
dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN;
}
}
/* here a client dies, release the stuff that was allocated for its filp */
@ -371,6 +377,7 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
dev_priv->card_type=flags&NOUVEAU_FAMILY;
dev_priv->flags=flags&NOUVEAU_FLAGS;
dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN;
dev->dev_private = (void *)dev_priv;