openwrt/target/linux/bcm27xx/patches-6.1/950-0605-rpisense-fb-Add-explicit-fb_deferred_io_mmap-hook.patch

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From 4b9950c6574aa5c9302b3b8bbf44fd31ee1cad7a Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Mon, 27 Mar 2023 10:25:25 +0100
Subject: [PATCH] rpisense-fb: Add explicit fb_deferred_io_mmap hook
As of commit [1], introduced in 5.18, fbdev drivers that use
deferred IO and need mmap support must include an explicit fb_mmap
pointer to the fb_deferred_io_mmap.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
[1] 590558510327 ("fbdev: Put mmap for deferred I/O into drivers")
---
drivers/video/fbdev/rpisense-fb.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/video/fbdev/rpisense-fb.c
+++ b/drivers/video/fbdev/rpisense-fb.c
@@ -191,6 +191,7 @@ static struct fb_ops rpisense_fb_ops = {
.fb_copyarea = rpisense_fb_copyarea,
.fb_imageblit = rpisense_fb_imageblit,
.fb_ioctl = rpisense_fb_ioctl,
+ .fb_mmap = fb_deferred_io_mmap,
};
static int rpisense_fb_probe(struct platform_device *pdev)