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 --- 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 8396bdfb11..68ce681bb9 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 18ed159b8d..5f3010d641 100644 --- a/include/video.h +++ b/include/video.h @@ -389,4 +389,13 @@ 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