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drm: add chipset flushing via agp support

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Dave Airlie 2007-10-31 11:33:34 +11:00
parent 2489062a33
commit 17f0882d50
3 changed files with 10 additions and 0 deletions
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1
linux-core/drmP.h
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@ -1133,6 +1133,7 @@ extern int drm_agp_free_memory(DRM_AGP_MEM * handle);
extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start);
extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle);
extern struct drm_ttm_backend *drm_agp_init_ttm(struct drm_device *dev);
extern void drm_agp_chipset_flush(struct drm_device *dev);
/* Stub support (drm_stub.h) */
extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
struct drm_driver *driver);

8
linux-core/drm_agpsupport.c
View File

@ -650,4 +650,12 @@ struct drm_ttm_backend *drm_agp_init_ttm(struct drm_device *dev)
}
EXPORT_SYMBOL(drm_agp_init_ttm);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
void drm_agp_flush_chipset(struct drm_device *dev)
{
agp_flush_chipset(dev->agp->bridge);
}
EXPORT_SYMBOL(drm_agp_flush_chipset);
#endif
#endif /* __OS_HAS_AGP */

1
shared-core/i915_dma.c
View File

@ -1043,6 +1043,7 @@ static int i915_execbuffer(struct drm_device *dev, void *data,
/* make sure all previous memory operations have passed */
DRM_MEMORYBARRIER();
drm_agp_chipset_flush(dev);
/* submit buffer */
batch->start = buffers[num_buffers-1]->offset;