diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/video-uclass.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c index f743ed74c81..3571e62ba2d 100644 --- a/drivers/video/video-uclass.c +++ b/drivers/video/video-uclass.c @@ -123,6 +123,9 @@ int video_reserve(ulong *addrp) struct udevice *dev; ulong size; + if (IS_ENABLED(CONFIG_SPL_VIDEO_HANDOFF) && spl_phase() == PHASE_BOARD_F) + return 0; + gd->video_top = *addrp; for (uclass_find_first_device(UCLASS_VIDEO, &dev); dev; @@ -141,16 +144,6 @@ int video_reserve(ulong *addrp) debug("Video frame buffers from %lx to %lx\n", gd->video_bottom, gd->video_top); - if (spl_phase() == PHASE_SPL && CONFIG_IS_ENABLED(VIDEO_HANDOFF)) { - struct video_handoff *ho; - - ho = bloblist_add(BLOBLISTT_U_BOOT_VIDEO, sizeof(*ho), 0); - if (!ho) - return log_msg_ret("blf", -ENOENT); - ho->fb = *addrp; - ho->size = size; - } - return 0; } @@ -208,11 +201,14 @@ int video_fill_part(struct udevice *dev, int xstart, int ystart, int xend, int video_reserve_from_bloblist(struct video_handoff *ho) { + if (!ho->fb || ho->size == 0) + return -ENOENT; + 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); + debug("%s: Reserving %lx bytes at %08x as per bloblist received\n", + __func__, (unsigned long)ho->size, (u32)ho->fb); return 0; } @@ -546,6 +542,26 @@ static int video_post_probe(struct udevice *dev) priv->fb_size = priv->line_length * priv->ysize; + /* + * Set up video handoff fields for passing video blob to next stage + * NOTE: + * This assumes that reserved video memory only uses a single framebuffer + */ + if (spl_phase() == PHASE_SPL && CONFIG_IS_ENABLED(BLOBLIST)) { + struct video_handoff *ho; + + ho = bloblist_add(BLOBLISTT_U_BOOT_VIDEO, sizeof(*ho), 0); + if (!ho) + return log_msg_ret("blf", -ENOENT); + ho->fb = gd->video_bottom; + /* Fill aligned size here as calculated in video_reserve() */ + ho->size = gd->video_top - gd->video_bottom; + ho->xsize = priv->xsize; + ho->ysize = priv->ysize; + ho->line_length = priv->line_length; + ho->bpix = priv->bpix; + } + if (IS_ENABLED(CONFIG_VIDEO_COPY) && plat->copy_base) priv->copy_fb = map_sysmem(plat->copy_base, plat->size); |