Add method to reserve video using blob.
Signed-off-by: Nikhil M Jain n-jain1@ti.com --- V3 (patch introduced): - Add method to reserve video using blob.
This patch depends on a patch sent by Simon Glass https://lore.kernel.org/u-boot/20230504165823.v3.25.Ieb0824a81d8ad4109fa501c...
drivers/video/video-uclass.c | 12 ++++++++++++ include/video.h | 9 +++++++++ 2 files changed, 21 insertions(+)
diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c index 8396bdfb11..1264ad1101 100644 --- a/drivers/video/video-uclass.c +++ b/drivers/video/video-uclass.c @@ -142,6 +142,18 @@ int video_reserve(ulong *addrp) return 0; }
+int video_reserve_from_blob(struct video_handoff *ho) +{ +#if CONFIG_IS_ENABLED(VIDEO) + 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); +#endif + 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..13460adc45 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_blob()- Reserve frame-buffer memory for video devices + * using blobs. + * + * @ho: video information passed from SPL + * Returns: 0 (always) + */ +int video_reserve_from_blob(struct video_handoff *ho); + #endif