From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp

---
 kernel/drivers/video/fbdev/efifb.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/kernel/drivers/video/fbdev/efifb.c b/kernel/drivers/video/fbdev/efifb.c
index f50cc1a..e57c008 100644
--- a/kernel/drivers/video/fbdev/efifb.c
+++ b/kernel/drivers/video/fbdev/efifb.c
@@ -154,6 +154,11 @@
 		return;
 	}
 
+	if (bgrt_tab.status & 0x06) {
+		pr_info("efifb: BGRT rotation bits set, not showing boot graphics\n");
+		return;
+	}
+
 	/* Avoid flashing the logo if we're going to print std probe messages */
 	if (console_loglevel > CONSOLE_LOGLEVEL_QUIET)
 		return;
@@ -250,7 +255,7 @@
 	fb_dealloc_cmap(&info->cmap);
 }
 
-static struct fb_ops efifb_ops = {
+static const struct fb_ops efifb_ops = {
 	.owner		= THIS_MODULE,
 	.fb_destroy	= efifb_destroy,
 	.fb_setcolreg	= efifb_setcolreg,
@@ -433,7 +438,6 @@
 
 	info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev);
 	if (!info) {
-		pr_err("efifb: cannot allocate framebuffer\n");
 		err = -ENOMEM;
 		goto err_release_mem;
 	}
@@ -649,7 +653,7 @@
 	if (!base)
 		return;
 
-	for (i = 0; i <= PCI_STD_RESOURCE_END; i++) {
+	for (i = 0; i < PCI_STD_NUM_BARS; i++) {
 		struct resource *res = &dev->resource[i];
 
 		if (!(res->flags & IORESOURCE_MEM))

--
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