[PATCH V4 4/9] include: video: Reserve video using blob

[Nikhil M Jain]

Add method to reserve video framebuffer information using blob,
received from previous stage.

Signed-off-by: Nikhil M Jain <n-jain1 at ti.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
---
V4:
- No change.

V3:
- Add Reviewed-by tag.

V2:
- Remove #if CONFIG_IS_ENABLED(VIDEO) in video_reserve_from_blob.

 drivers/video/video-uclass.c | 11 +++++++++++
 include/video.h              |  9 +++++++++
 2 files changed, 20 insertions(+)

diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c
index 1b66a8061a..497ebd9acf 100644
--- a/drivers/video/video-uclass.c
+++ b/drivers/video/video-uclass.c
@@ -142,6 +142,17 @@ int video_reserve(ulong *addrp)
 	return 0;
 }
 
+int video_reserve_from_bloblist(struct video_handoff *ho)
+{
+	gd->video_bottom = ho->fb;
+	gd->fb_base = ho->fb;
+	gd->video_top = ho->fb + ho->size;
+	debug("Reserving %luk for video using blob at: %08x\n",
+	      ((unsigned long)ho->size) >> 10, (u32)ho->fb);
+
+	return 0;
+}
+
 int video_fill(struct udevice *dev, u32 colour)
 {
 	struct video_priv *priv = dev_get_uclass_priv(dev);
diff --git a/include/video.h b/include/video.h
index fffaae84e5..bdf1cf7855 100644
--- a/include/video.h
+++ b/include/video.h
@@ -390,4 +390,13 @@ int bmp_display(ulong addr, int x, int y);
  */
 int bmp_info(ulong addr);
 
+/*
+ * video_reserve_from_bloblist()- Reserve frame-buffer memory for video devices
+ * using blobs.
+ *
+ * @ho: video information passed from SPL
+ * Returns: 0 (always)
+ */
+int video_reserve_from_bloblist(struct video_handoff *ho);
+
 #endif
-- 
2.34.1