arm/hdlcd: Use GEM DMA fbdev emulation
authorThomas Zimmermann <tzimmermann@suse.de>
Mon, 13 Mar 2023 15:51:15 +0000 (16:51 +0100)
committerThomas Zimmermann <tzimmermann@suse.de>
Tue, 14 Mar 2023 16:07:47 +0000 (17:07 +0100)
commit9ff7705fe35ccdb02d7d32694942afe8531dfba6
tree4a2af28123a51e82b7bfc4602f81f851b340a70c
parentb79fe9abd58bab7363583d30d67a5385ed779616
arm/hdlcd: 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/20230313155138.20584-3-tzimmermann@suse.de
drivers/gpu/drm/arm/hdlcd_drv.c