drm: add driver->set_busid() callback

One step closer to dropping all the drm_bus_* code:
Add a driver->set_busid() callback and make all drivers use the generic
helpers. Nouveau is the only driver that uses two different bus-types with
the same drm_driver. This is totally broken if both buses are available on
the same machine (unlikely, but lets be safe). Therefore, we create two
different drivers for each platform during module_init() and set the
set_busid() callback respectively.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 98b1eafebc1c..c82f292efcd4 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -627,6 +627,7 @@ struct drm_driver {
         int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv);
         int (*dma_quiescent) (struct drm_device *);
         int (*context_dtor) (struct drm_device *dev, int context);
+        int (*set_busid)(struct drm_device *dev, struct drm_master *master);
 
         /**
          * get_vblank_counter - get raw hardware vblank counter
@@ -1498,6 +1499,7 @@ extern void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
 extern int drm_get_pci_dev(struct pci_dev *pdev,
                            const struct pci_device_id *ent,
                            struct drm_driver *driver);
+extern int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
 
 #define DRM_PCIE_SPEED_25 1
 #define DRM_PCIE_SPEED_50 2
@@ -1507,6 +1509,7 @@ extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
 
 /* platform section */
 extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device);
+extern int drm_platform_set_busid(struct drm_device *d, struct drm_master *m);
 
 /* returns true if currently okay to sleep */
 static __inline__ bool drm_can_sleep(void)