If the framebuffer node already exists, we don't need to create one

This commit is contained in:
jmcneill 2020-10-22 09:14:40 +00:00
parent 39934b0e96
commit 5b8503e220

View File

@ -1,4 +1,4 @@
/* $NetBSD: efifdt.c,v 1.25 2020/10/10 19:17:39 jmcneill Exp $ */
/* $NetBSD: efifdt.c,v 1.26 2020/10/22 09:14:40 jmcneill Exp $ */
/*-
* Copyright (c) 2019 Jason R. Thorpe
@ -338,12 +338,18 @@ efi_fdt_gop(void)
continue;
}
snprintf(buf, sizeof(buf), "framebuffer@%" PRIx64, mode->FrameBufferBase);
fb = fdt_path_offset(fdt_data, buf);
if (fb >= 0) {
/* Framebuffer node already exists, no need to create one */
return;
}
chosen = efi_fdt_chosen();
fdt_setprop_u32(fdt_data, chosen, "#address-cells", 2);
fdt_setprop_u32(fdt_data, chosen, "#size-cells", 2);
fdt_setprop_empty(fdt_data, chosen, "ranges");
snprintf(buf, sizeof(buf), "framebuffer@%" PRIx64, mode->FrameBufferBase);
fb = fdt_add_subnode(fdt_data, chosen, buf);
if (fb < 0)
panic("FDT: Failed to create framebuffer node");