diff options
Diffstat (limited to 'linux-core/drmP.h')
| -rw-r--r-- | linux-core/drmP.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index b7f4640f..167bef0f 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -541,6 +541,18 @@ struct drm_driver { int new); int (*kernel_context_switch_unlock) (struct drm_device * dev); int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence); + + /** + * Called by \c drm_device_is_agp. Typically used to determine if a + * card is really attached to AGP or not. + * + * \param dev DRM device handle + * + * \returns true if the card really is attached to AGP, false + * otherwise. + */ + int (*device_is_agp) (struct drm_device * dev); + /* these have to be filled in */ int (*postinit) (struct drm_device *, unsigned long flags); irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); @@ -1016,6 +1028,11 @@ static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, static __inline__ int drm_device_is_agp(drm_device_t *dev) { + if ( (dev->driver->device_is_agp != NULL) + && ! (*dev->driver->device_is_agp)( dev ) ) { + return 0; + } + return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); } |