drm/hx8357d: 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>
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240924071734.98201-15-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig
index 750616a..5e0dd0d 100644 (file)
--- a/drivers/gpu/drm/tiny/Kconfig
+++ b/drivers/gpu/drm/tiny/Kconfig
@@ -98,6 +98,7 @@ config DRM_SIMPLEDRM
 config TINYDRM_HX8357D
        tristate "DRM support for HX8357D 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/hx8357d.c b/drivers/gpu/drm/tiny/hx8357d.c
index 2e63128..6b0d184 100644 (file)
--- a/drivers/gpu/drm/tiny/hx8357d.c
+++ b/drivers/gpu/drm/tiny/hx8357d.c
@@ -17,6 +17,7 @@
 #include <linux/spi/spi.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>
@@ -194,6 +195,7 @@ static const struct drm_driver hx8357d_driver = {
        .driver_features        = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
        .fops                   = &hx8357d_fops,
        DRM_GEM_DMA_DRIVER_OPS_VMAP,
+       DRM_FBDEV_DMA_DRIVER_OPS,
        .debugfs_init           = mipi_dbi_debugfs_init,
        .name                   = "hx8357d",
        .desc                   = "HX8357D",
@@ -256,7 +258,7 @@ static int hx8357d_probe(struct spi_device *spi)
 
        spi_set_drvdata(spi, drm);
 
-       drm_fbdev_dma_setup(drm, 0);
+       drm_client_setup(drm, NULL);
 
        return 0;
 }