drm/hyperv_drm: Run DRM default client setup

Call drm_client_setup() to run the kernel's default client setup
for DRM. Set fbdev_probe in struct drm_driver, so that the client
setup can start the common fbdev client.

v5:
- select DRM_CLIENT_SELECTION

Signed-off-by: Thomas Zimmermann <[e-mail]>
Cc: Deepak Rawat <[e-mail]>
Reviewed-by: Deepak Rawat <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/Kconfig

···
 config DRM_HYPERV
 	tristate "DRM Support for Hyper-V synthetic video device"
 	depends on DRM && PCI && MMU && HYPERV
+	select DRM_CLIENT_SELECTION
 	select DRM_KMS_HELPER
 	select DRM_GEM_SHMEM_HELPER
 	help

drivers/gpu/drm/hyperv/hyperv_drm_drv.c

···
 
 #include <drm/drm_aperture.h>
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_client_setup.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_fbdev_shmem.h>
 #include <drm/drm_gem_shmem_helper.h>
···
 
 	.fops		 = &hv_fops,
 	DRM_GEM_SHMEM_DRIVER_OPS,
+	DRM_FBDEV_SHMEM_DRIVER_OPS,
 };
 
 static int hyperv_pci_probe(struct pci_dev *pdev,
···
 		goto err_free_mmio;
 	}
 
-	drm_fbdev_shmem_setup(dev, 0);
+	drm_client_setup(dev, NULL);
 
 	return 0;