rasops: implement scrollback

activate it for efifb and inteldrm

ok kettenis

1 files changed, 11 insertions, 0 deletions

diff --git a/sys/dev/pci/drm/i915/i915_drv.c b/sys/dev/pci/drm/i915/i915_drv.c
index aa3361110a1..f71019c4ee1 100644
--- a/sys/dev/pci/drm/i915/i915_drv.c
+++ b/sys/dev/pci/drm/i915/i915_drv.c
@@ -1925,6 +1925,7 @@ int	inteldrm_list_font(void *, struct wsdisplay_font *);
 int	inteldrm_getchar(void *, int, int, struct wsdisplay_charcell *);
 void	inteldrm_burner(void *, u_int, u_int);
 void	inteldrm_burner_cb(void *);
+void	inteldrm_scrollback(void *, void *, int lines);
 
 struct wsscreen_descr inteldrm_stdscreen = {
 	"std",
@@ -1953,6 +1954,7 @@ struct wsdisplay_accessops inteldrm_accessops = {
 	.getchar = inteldrm_getchar,
 	.load_font = inteldrm_load_font,
 	.list_font = inteldrm_list_font,
+	.scrollback = inteldrm_scrollback,
 	.burn_screen = inteldrm_burner
 };
 
@@ -2174,6 +2176,15 @@ const struct backlight_ops inteldrm_backlight_ops = {
 	.get_brightness = inteldrm_backlight_get_brightness
 };
 
+void
+inteldrm_scrollback(void *v, void *cookie, int lines)
+{
+	struct inteldrm_softc *dev_priv = v;
+	struct rasops_info *ri = &dev_priv->ro;
+
+	rasops_scrollback(ri, cookie, lines);
+}
+
 int	inteldrm_match(struct device *, void *, void *);
 void	inteldrm_attach(struct device *, struct device *, void *);
 int	inteldrm_detach(struct device *, int);