drm/st7735r: 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 <tzimmermann@suse.de>
Cc: David Lechner <david@lechnology.com>
Acked-by: David Lechner <david@lechnology.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240924071734.98201-45-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig
index 111113fa86a2837370fc48b7f3fe17939dadcdcf..7ab8d6c02dab3c51705c846f76c190eb7fde4aa6 100644 (file)
--- a/drivers/gpu/drm/tiny/Kconfig
+++ b/drivers/gpu/drm/tiny/Kconfig
@@ -209,6 +209,7 @@ config TINYDRM_ST7586
 config TINYDRM_ST7735R
        tristate "DRM support for Sitronix ST7715R/ST7735R display panels"
        depends on DRM && SPI
+       select DRM_CLIENT_SELECTION
        select DRM_KMS_HELPER
        select DRM_GEM_DMA_HELPER
        select DRM_MIPI_DBI

diff --git a/drivers/gpu/drm/tiny/st7735r.c b/drivers/gpu/drm/tiny/st7735r.c
index 1676da00883d3a1c8db4a8f27d2fcc6e733ccbef..0747ebd999cc57859969e45c884386008696918f 100644 (file)
--- a/drivers/gpu/drm/tiny/st7735r.c
+++ b/drivers/gpu/drm/tiny/st7735r.c
@@ -17,6 +17,7 @@
 #include <video/mipi_display.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_atomic_helper.h>
@@ -155,6 +156,7 @@ static const struct drm_driver st7735r_driver = {
        .driver_features        = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
        .fops                   = &st7735r_fops,
        DRM_GEM_DMA_DRIVER_OPS_VMAP,
+       DRM_FBDEV_DMA_DRIVER_OPS,
        .debugfs_init           = mipi_dbi_debugfs_init,
        .name                   = "st7735r",
        .desc                   = "Sitronix ST7735R",
@@ -241,7 +243,7 @@ static int st7735r_probe(struct spi_device *spi)
 
        spi_set_drvdata(spi, drm);
 
-       drm_fbdev_dma_setup(drm, 0);
+       drm_client_setup(drm, NULL);
 
        return 0;
 }