drm/radoen: kill radeon_dma_ioctl_kms

No need to create a dummy ioctl function to return -EINVAL, since
that's what the core already does in the absence of the dma_ioctl
callback. So we can safely remove this.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@gmail.com>

drivers/gpu/drm/radeon/radeon_drv.c

@@ -101,8 +101,6 @@ void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
-int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
-			 struct drm_file *file_priv);
 int radeon_gem_object_init(struct drm_gem_object *obj);
 void radeon_gem_object_free(struct drm_gem_object *obj);
 int radeon_gem_object_open(struct drm_gem_object *obj,
@@ -421,7 +419,6 @@ static struct drm_driver kms_driver = {
 	.gem_free_object = radeon_gem_object_free,
 	.gem_open_object = radeon_gem_object_open,
 	.gem_close_object = radeon_gem_object_close,
-	.dma_ioctl = radeon_dma_ioctl_kms,
 	.dumb_create = radeon_mode_dumb_create,
 	.dumb_map_offset = radeon_mode_dumb_mmap,
 	.dumb_destroy = radeon_mode_dumb_destroy,

drivers/gpu/drm/radeon/radeon_kms.c

@@ -683,16 +683,6 @@ int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
 						     drmcrtc);
 }
 
-/*
- * IOCTL.
- */
-int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
-			 struct drm_file *file_priv)
-{
-	/* Not valid in KMS. */
-	return -EINVAL;
-}
-
 #define KMS_INVALID_IOCTL(name)						\
 int name(struct drm_device *dev, void *data, struct drm_file *file_priv)\
 {									\