hid/picolcd_fb: Set FBINFO_VIRTFB flag

The picolcd_fb driver operates on system memory. Mark the framebuffer
accordingly. Helpers operating on the framebuffer memory will test
for the presence of this flag.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: "Bruno Prémont" <bonbons@linux-vserver.org>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: linux-input@vger.kernel.org
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Bruno Prémont  <bonbons@linux-vserver.org>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Link: https://patchwork.freedesktop.org/patch/msgid/20231127131655.4020-12-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2023-11-27 14:15:40 +01:00
parent df558d5313
commit bc4e90771c

View File

@ -505,6 +505,7 @@ int picolcd_init_framebuffer(struct picolcd_data *data)
dev_err(dev, "can't get a free page for framebuffer\n");
goto err_nomem;
}
info->flags |= FBINFO_VIRTFB;
info->screen_buffer = fbdata->bitmap;
info->fix.smem_start = (unsigned long)fbdata->bitmap;
memset(fbdata->vbitmap, 0xff, PICOLCDFB_SIZE);