[patch] Redhat patch to fix nvidia drivers / efifb

0001-Redhat-s-patch-to-fix-no-efifb-on-nv-drivers.patch (text/plain), 1.31 KB, created by Luke A. Guest on 2023-06-15 09:37:18 UTC

From 7a0265af36111cc5618019357ff7c50109bc9d12 Mon Sep 17 00:00:00 2001
From: "Luke A. Guest" <[e-mail]>
Date: Thu, 15 Jun 2023 10:25:47 +0100
Subject: [PATCH] Redhat's patch to fix no efifb on nv drivers.

https://github.com/NVIDIA/open-gpu-kernel-modules/issues/458
---
 drivers/firmware/sysfb.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/sysfb.c b/drivers/firmware/sysfb.c
index 3c197db42..16e4a2e90 100644
--- a/drivers/firmware/sysfb.c
+++ b/drivers/firmware/sysfb.c
@@ -34,6 +34,22 @@
 #include <linux/screen_info.h>
 #include <linux/sysfb.h>
 
+static int skip_simpledrm;
+
+static int __init simpledrm_disable(char *opt)
+{
+	if (!opt)
+                return -EINVAL;
+
+	get_option(&opt, &skip_simpledrm);
+
+	if (skip_simpledrm)
+		pr_info("The simpledrm driver will not be probed\n");
+
+	return 0;
+}
+early_param("nvidia-drm.modeset", simpledrm_disable);
+
 static struct platform_device *pd;
 static DEFINE_MUTEX(disable_lock);
 static bool disabled;
@@ -85,7 +101,7 @@ static __init int sysfb_init(void)
 
 	/* try to create a simple-framebuffer device */
 	compatible = sysfb_parse_mode(si, &mode);
-	if (compatible) {
+	if (compatible && !skip_simpledrm) {
 		pd = sysfb_create_simplefb(si, &mode);
 		if (!IS_ERR(pd))
 			goto unlock_mutex;
-- 
2.41.0