From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart
---
kernel/drivers/gpu/drm/nouveau/nvkm/subdev/bios/extdev.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/bios/extdev.c b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/bios/extdev.c
index b857835..118e331 100644
--- a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/bios/extdev.c
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/bios/extdev.c
@@ -46,6 +46,19 @@
return extdev + *hdr;
}
+bool
+nvbios_extdev_skip_probe(struct nvkm_bios *bios)
+{
+ u8 ver, hdr, len, cnt;
+ u16 data = extdev_table(bios, &ver, &hdr, &len, &cnt);
+ if (data && ver == 0x40 && hdr >= 5) {
+ u8 flags = nvbios_rd08(bios, data - hdr + 4);
+ if (flags & 1)
+ return true;
+ }
+ return false;
+}
+
static u16
nvbios_extdev_entry(struct nvkm_bios *bios, int idx, u8 *ver, u8 *len)
{
--
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