drm/kmb: Use GEM DMA fbdev emulation

Use the fbdev emulation that is optimized for DMA helpers. Avoids
possible shadow buffering and makes the code simpler.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Anitha Chrisanthus <anitha.chrisanthus@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230313155138.20584-10-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c
index d29c678f6c912439b41987f75accfd022e8bea39..24035b53441cc56dbe2e1b858a053ab56c5b9994 100644 (file)
--- a/drivers/gpu/drm/kmb/kmb_drv.c
+++ b/drivers/gpu/drm/kmb/kmb_drv.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_dma_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_module.h>
@@ -562,7 +562,7 @@ static int kmb_probe(struct platform_device *pdev)
        if (ret)
                goto err_register;
 
-       drm_fbdev_generic_setup(&kmb->drm, 0);
+       drm_fbdev_dma_setup(&kmb->drm, 0);
 
        return 0;