From: Helge Deller Date: Fri, 19 Jan 2024 20:47:15 +0000 (+0100) Subject: Revert "firmware/sysfb: Clear screen_info state after consuming it" X-Git-Tag: microblaze-v6.10~507^2 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=2bebc3cd48701607e38e8258ab9692de9b1a718b;p=linux-2.6-microblaze.git Revert "firmware/sysfb: Clear screen_info state after consuming it" This reverts commit df67699c9cb0ceb70f6cc60630ca938c06773eda. Jens Axboe reported a regression that his machine is failing to show a console, or in fact anything, on current -git. There's no output and no console after: Loading Linux 6.7.0+ ... Loading initial ramdisk ... Signed-off-by: Helge Deller Cc: Thomas Zimmermann Cc: Jens Axboe --- diff --git a/drivers/firmware/sysfb.c b/drivers/firmware/sysfb.c index 19706bd2642a..82fcfd29bc4d 100644 --- a/drivers/firmware/sysfb.c +++ b/drivers/firmware/sysfb.c @@ -71,7 +71,7 @@ EXPORT_SYMBOL_GPL(sysfb_disable); static __init int sysfb_init(void) { - const struct screen_info *si = &screen_info; + struct screen_info *si = &screen_info; struct simplefb_platform_data mode; const char *name; bool compatible; @@ -119,18 +119,6 @@ static __init int sysfb_init(void) if (ret) goto err; - /* - * The firmware framebuffer is now maintained by the created - * device. Disable screen_info after we've consumed it. Prevents - * invalid access during kexec reboots. - * - * TODO: Vgacon still relies on the global screen_info. Make - * vgacon work with the platform device, so we can clear - * the screen_info unconditionally. - */ - if (strcmp(name, "platform-framebuffer")) - screen_info.orig_video_isVGA = 0; - goto unlock_mutex; err: platform_device_put(pd);