Call drm_client_setup_with_fourcc() 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
v2:
- use drm_client_setup_with_fourcc()

Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Cc: Geert Uytterhoeven <geert+rene...@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+rene...@glider.be>
Tested-by: Geert Uytterhoeven <geert+rene...@glider.be>
---
 drivers/gpu/drm/renesas/shmobile/Kconfig         | 1 +
 drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/renesas/shmobile/Kconfig 
b/drivers/gpu/drm/renesas/shmobile/Kconfig
index c329ab8a7a8b..52e160464001 100644
--- a/drivers/gpu/drm/renesas/shmobile/Kconfig
+++ b/drivers/gpu/drm/renesas/shmobile/Kconfig
@@ -4,6 +4,7 @@ config DRM_SHMOBILE
        depends on DRM && PM
        depends on ARCH_RENESAS || ARCH_SHMOBILE || COMPILE_TEST
        select BACKLIGHT_CLASS_DEVICE
+       select DRM_CLIENT_SELECTION
        select DRM_KMS_HELPER
        select DRM_DISPLAY_HELPER
        select DRM_BRIDGE_CONNECTOR
diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c 
b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
index ff2883c7fd46..8d3effe3f598 100644
--- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
+++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
@@ -18,8 +18,10 @@
 #include <linux/slab.h>
 
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_client_setup.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_fbdev_dma.h>
+#include <drm/drm_fourcc.h>
 #include <drm/drm_gem_dma_helper.h>
 #include <drm/drm_modeset_helper.h>
 #include <drm/drm_module.h>
@@ -101,6 +103,7 @@ DEFINE_DRM_GEM_DMA_FOPS(shmob_drm_fops);
 static const struct drm_driver shmob_drm_driver = {
        .driver_features        = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
        DRM_GEM_DMA_DRIVER_OPS,
+       DRM_FBDEV_DMA_DRIVER_OPS,
        .fops                   = &shmob_drm_fops,
        .name                   = "shmob-drm",
        .desc                   = "Renesas SH Mobile DRM",
@@ -257,7 +260,7 @@ static int shmob_drm_probe(struct platform_device *pdev)
        if (ret < 0)
                goto err_modeset_cleanup;
 
-       drm_fbdev_dma_setup(ddev, 16);
+       drm_client_setup_with_fourcc(ddev, DRM_FORMAT_RGB565);
 
        return 0;
 
-- 
2.46.0

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