UPSTREAM: drm/nouveau: Run DRM default client setup

[ Upstream commit ef350898 ]

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.

The nouveau driver specifies a preferred color mode depending on
the available video memory, with a default of 32. Adapt this for
the new client interface.

v5:
- select DRM_CLIENT_SELECTION
v2:
- style changes

Change-Id: I97eb0debf054ba4b440e6ba49541e5ac76832df1
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Karol Herbst <kherbst@redhat.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Danilo Krummrich <dakr@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240924071734.98201-69-tzimmermann@suse.de


Stable-dep-of: 6b481ab0 ("drm/nouveau: select FW caching")
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 7fc4fd8b)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>