drm/simpledrm: Use fbdev defaults for shadow buffering

Don't select shadow buffering for the fbdev console explicitly. The
fbdev emulation's heuristic will enable it for any framebuffer with
.dirty callback.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220303205839.28484-2-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c
index f5b8e86..768242a 100644 (file)
--- a/drivers/gpu/drm/tiny/simpledrm.c
+++ b/drivers/gpu/drm/tiny/simpledrm.c
@@ -801,7 +801,6 @@ static int simpledrm_device_init_modeset(struct simpledrm_device *sdev)
        dev->mode_config.max_width = max_width;
        dev->mode_config.min_height = mode->vdisplay;
        dev->mode_config.max_height = max_height;
-       dev->mode_config.prefer_shadow_fbdev = true;
        dev->mode_config.preferred_depth = sdev->format->cpp[0] * 8;
        dev->mode_config.funcs = &simpledrm_mode_config_funcs;