diff options
| author | Devarsh Thakkar <devarsht@ti.com> | 2024-03-05 18:14:08 +0530 |
|---|---|---|
| committer | Francesco Dolcini <francesco.dolcini@toradex.com> | 2024-03-21 14:26:33 +0000 |
| commit | 3065e171cb9c12effdf5c1960b2db7664f6a99a5 (patch) | |
| tree | 491b9ea25ed69c4edd839d7d3b107f9c2bd00842 | |
| parent | 5b20a8e193a1d6fdd300e78a9a1b114083922dcd (diff) | |
common: fdt_simplefb: Enumerate framebuffer info from video handoff
Enable and update simple-framebuffer node using the video handoff
bloblist if video was enabled at SPL stage and corresponding video
bloblist was received at u-boot proper with necessary parameters.
Signed-off-by: Devarsh Thakkar <devarsht@ti.com>
| -rw-r--r-- | common/fdt_simplefb.c | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/common/fdt_simplefb.c b/common/fdt_simplefb.c index 282c34fe0b..c50cd7a66f 100644 --- a/common/fdt_simplefb.c +++ b/common/fdt_simplefb.c @@ -12,6 +12,8 @@ #include <asm/global_data.h> #include <linux/libfdt.h> #include <video.h> +#include <spl.h> +#include <bloblist.h> DECLARE_GLOBAL_DATA_PTR; @@ -26,15 +28,30 @@ static int fdt_simplefb_configure_node(void *blob, int off) struct udevice *dev; int ret; - ret = uclass_first_device_err(UCLASS_VIDEO, &dev); - if (ret) - return ret; - uc_priv = dev_get_uclass_priv(dev); - plat = dev_get_uclass_plat(dev); - xsize = uc_priv->xsize; - ysize = uc_priv->ysize; - bpix = uc_priv->bpix; - fb_base = plat->base; + if (IS_ENABLED(CONFIG_SPL_VIDEO) && spl_phase() > PHASE_SPL && + CONFIG_IS_ENABLED(BLOBLIST)) { + struct video_handoff *ho; + + ho = bloblist_find(BLOBLISTT_U_BOOT_VIDEO, sizeof(*ho)); + if (!ho) + return log_msg_ret("Missing video bloblist", -ENOENT); + + xsize = ho->xsize; + ysize = ho->ysize; + bpix = ho->bpix; + fb_base = ho->fb; + } else { + ret = uclass_first_device_err(UCLASS_VIDEO, &dev); + if (ret) + return ret; + uc_priv = dev_get_uclass_priv(dev); + plat = dev_get_uclass_plat(dev); + xsize = uc_priv->xsize; + ysize = uc_priv->ysize; + bpix = uc_priv->bpix; + fb_base = plat->base; + } + switch (bpix) { case 4: /* VIDEO_BPP16 */ name = "r5g6b5"; |