From ccd21ee50e41305ec3d35d5dc2b40277102cfd85 Mon Sep 17 00:00:00 2001
From: Nikhil M Jain <n-jain1@ti.com>
Date: Tue, 18 Jul 2023 14:27:30 +0530
Subject: [PATCH] include: video: Reserve video using blob
Add method to reserve video framebuffer information using blob,
received from previous stage.
Signed-off-by: Nikhil M Jain <n-jain1@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
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 95e874b770..435dab1f19 100644
--- a/drivers/video/video-uclass.c
+++ b/drivers/video/video-uclass.c
@@ -194,6 +194,17 @@ int video_fill_part(struct udevice *dev, int xstart, int ystart, int xend,
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 9729fa348a..269915160b 100644
--- a/include/video.h
+++ b/include/video.h
@@ -406,4 +406,13 @@ 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
--
2.39.5