drm/xlnx: 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>
Link: https://patchwork.freedesktop.org/patch/msgid/20230313155138.20584-23-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqmp_kms.c
index 776ef5480206403cd0c47ad65d66adef0c28614b..a7f8611be6f420a7473726f0b2b9185fe4286e8c 100644 (file)
--- a/drivers/gpu/drm/xlnx/zynqmp_kms.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_kms.c
@@ -19,7 +19,7 @@
 #include <drm/drm_device.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_encoder.h>
-#include <drm/drm_fbdev_generic.h>
+#include <drm/drm_fbdev_dma.h>
 #include <drm/drm_fourcc.h>
 #include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_dma_helper.h>
@@ -515,7 +515,7 @@ int zynqmp_dpsub_drm_init(struct zynqmp_dpsub *dpsub)
                goto err_poll_fini;
 
        /* Initialize fbdev generic emulation. */
-       drm_fbdev_generic_setup(drm, 24);
+       drm_fbdev_dma_setup(drm, 24);
 
        return 0;