drm/fsl-dcu: Run DRM default client setup

Call drm_client_setup_with_color_mode() 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 <tzimmermann@suse.de>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Alison Wang <alison.wang@nxp.com>
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240924071734.98201-13-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/fsl-dcu/Kconfig b/drivers/gpu/drm/fsl-dcu/Kconfig
index 5ca71ef..588ce24 100644 (file)
--- a/drivers/gpu/drm/fsl-dcu/Kconfig
+++ b/drivers/gpu/drm/fsl-dcu/Kconfig
@@ -3,6 +3,7 @@ config DRM_FSL_DCU
        tristate "DRM Support for Freescale DCU"
        depends on DRM && OF && ARM && COMMON_CLK
        select BACKLIGHT_CLASS_DEVICE
+       select DRM_CLIENT_SELECTION
        select DRM_GEM_DMA_HELPER
        select DRM_KMS_HELPER
        select DRM_PANEL

diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
index ab6c0c6..2b3f15f 100644 (file)
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
@@ -19,6 +19,7 @@
 #include <linux/regmap.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_gem_dma_helper.h>
@@ -156,6 +157,7 @@ static const struct drm_driver fsl_dcu_drm_driver = {
        .load                   = fsl_dcu_load,
        .unload                 = fsl_dcu_unload,
        DRM_GEM_DMA_DRIVER_OPS,
+       DRM_FBDEV_DMA_DRIVER_OPS,
        .fops                   = &fsl_dcu_drm_fops,
        .name                   = "fsl-dcu-drm",
        .desc                   = "Freescale DCU DRM",
@@ -333,7 +335,7 @@ static int fsl_dcu_drm_probe(struct platform_device *pdev)
        if (ret < 0)
                goto put;
 
-       drm_fbdev_dma_setup(drm, legacyfb_depth);
+       drm_client_setup_with_color_mode(drm, legacyfb_depth);
 
        return 0;