drm/imx: 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/20230313155138.20584-9-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/imx/ipuv3/imx-drm-core.c b/drivers/gpu/drm/imx/ipuv3/imx-drm-core.c
index e060fa6cbcb928a7eb20d5199ea9494a1bc5d93a..4a866ac60fffa22fb31e212ccbae1e826126fc17 100644 (file)
--- a/drivers/gpu/drm/imx/ipuv3/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/ipuv3/imx-drm-core.c
@@ -16,7 +16,7 @@
 #include <drm/drm_atomic.h>
 #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_managed.h>
@@ -249,7 +249,7 @@ static int imx_drm_bind(struct device *dev)
        if (ret)
                goto err_poll_fini;
 
-       drm_fbdev_generic_setup(drm, legacyfb_depth);
+       drm_fbdev_dma_setup(drm, legacyfb_depth);
 
        return 0;