drm/tiny/mi0283qt: Use fbdev-dma

Implement fbdev emulation with fbdev-dma. Fbdev-dma now supports
damage handling, which is required by mi0283qt. Avoids the overhead of
fbdev-generic's additional shadow buffering. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: "Noralf Trønnes" <noralf@tronnes.org>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240419083331.7761-38-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/tiny/mi0283qt.c b/drivers/gpu/drm/tiny/mi0283qt.c
index 05509e5195187ea3597b592bf108054da97b988f..cdc5423990cae1fc93b43cf1d1b0614c4310521a 100644 (file)
--- a/drivers/gpu/drm/tiny/mi0283qt.c
+++ b/drivers/gpu/drm/tiny/mi0283qt.c
@@ -15,7 +15,7 @@
 
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
-#include <drm/drm_fbdev_generic.h>
+#include <drm/drm_fbdev_dma.h>
 #include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_gem_dma_helper.h>
 #include <drm/drm_managed.h>
@@ -226,7 +226,7 @@ static int mi0283qt_probe(struct spi_device *spi)
 
        spi_set_drvdata(spi, drm);
 
-       drm_fbdev_generic_setup(drm, 0);
+       drm_fbdev_dma_setup(drm, 0);
 
        return 0;
 }