drivers/video/nomodeset.c

Source file repositories/reference/linux-study-clean/drivers/video/nomodeset.c

File Facts

System
Linux kernel
Corpus path
drivers/video/nomodeset.c
Extension
.c
Size
520 bytes
Lines
27
Domain
Driver Families
Bucket
drivers/video
Inferred role
Driver Families: exported/initcall integration point
Status
integration implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0

#include <linux/module.h>
#include <linux/types.h>

#include <video/nomodeset.h>

static bool video_nomodeset;

bool video_firmware_drivers_only(void)
{
	return video_nomodeset;
}
EXPORT_SYMBOL(video_firmware_drivers_only);

static int __init disable_modeset(char *str)
{
	video_nomodeset = true;

	pr_warn("Booted with the nomodeset parameter. Only the system framebuffer will be available\n");

	return 1;
}

/* Disable kernel modesetting */
__setup("nomodeset", disable_modeset);

Annotation

Implementation Notes