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

diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c
index a4dccdcda26fcbfa44979cedc31bb6c2e0bc038f..d7dddd99d325e89dac318519de5178978485d980 100644 (file)
--- a/drivers/hid/hid-picolcd_fb.c
+++ b/drivers/hid/hid-picolcd_fb.c
@@ -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);