drm/ofdrm: Use 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 <tzimmermann@suse.de>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240924071734.98201-58-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig
index 86abd90d19aa598d464dc2f7ee4a3263f15b4610..02db304c0cac3a16590b1e271ed2b6ab9412f100 100644 (file)
--- a/drivers/gpu/drm/tiny/Kconfig
+++ b/drivers/gpu/drm/tiny/Kconfig
@@ -57,6 +57,7 @@ config DRM_OFDRM
        tristate "Open Firmware display driver"
        depends on DRM && MMU && OF && (PPC || COMPILE_TEST)
        select APERTURE_HELPERS
+       select DRM_CLIENT_SELECTION
        select DRM_GEM_SHMEM_HELPER
        select DRM_KMS_HELPER
        help

diff --git a/drivers/gpu/drm/tiny/ofdrm.c b/drivers/gpu/drm/tiny/ofdrm.c
index 35996f7eedac09320a5aff6ca6beb227fec3ba2d..04ffa93de44a9a9686a0175ae8b917f377425436 100644 (file)
--- a/drivers/gpu/drm/tiny/ofdrm.c
+++ b/drivers/gpu/drm/tiny/ofdrm.c
@@ -7,6 +7,7 @@
 #include <drm/drm_aperture.h>
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_state_helper.h>
+#include <drm/drm_client_setup.h>
 #include <drm/drm_connector.h>
 #include <drm/drm_damage_helper.h>
 #include <drm/drm_device.h>
@@ -1344,6 +1345,7 @@ DEFINE_DRM_GEM_FOPS(ofdrm_fops);
 
 static struct drm_driver ofdrm_driver = {
        DRM_GEM_SHMEM_DRIVER_OPS,
+       DRM_FBDEV_SHMEM_DRIVER_OPS,
        .name                   = DRIVER_NAME,
        .desc                   = DRIVER_DESC,
        .date                   = DRIVER_DATE,
@@ -1361,7 +1363,6 @@ static int ofdrm_probe(struct platform_device *pdev)
 {
        struct ofdrm_device *odev;
        struct drm_device *dev;
-       unsigned int color_mode;
        int ret;
 
        odev = ofdrm_device_create(&ofdrm_driver, pdev);
@@ -1373,11 +1374,7 @@ static int ofdrm_probe(struct platform_device *pdev)
        if (ret)
                return ret;
 
-       color_mode = drm_format_info_bpp(odev->format, 0);
-       if (color_mode == 16)
-               color_mode = odev->format->depth; // can be 15 or 16
-
-       drm_fbdev_shmem_setup(dev, color_mode);
+       drm_client_setup(dev, odev->format);
 
        return 0;
 }