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Code Issues Releases Wiki Activity

fbdev/hyperv_fb: Do not clear global screen_info 

Do not clear the global instance of screen_info. If necessary, clearing
fields in screen_info should be done by architecture or firmware code
that maintains the firmware framebuffer.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Thomas Zimmermann 2024-01-03 11:15:12 +01:00 committed by Helge Deller
parent df67699c9c
commit c25a19afb8
1 changed files with 1 additions and 8 deletions
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9
drivers/video/fbdev/hyperv_fb.c
View File

@ -48,7 +48,6 @@
#include <linux/aperture.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/screen_info.h>
#include <linux/vmalloc.h>
#include <linux/init.h>
#include <linux/completion.h>
@ -1059,14 +1058,8 @@ getmem_done:
else
aperture_remove_all_conflicting_devices(KBUILD_MODNAME);
if (!gen2vm) {
if (!gen2vm)
pci_dev_put(pdev);
} else if (IS_ENABLED(CONFIG_SYSFB)) {
/* framebuffer is reallocated, clear screen_info to avoid misuse from kexec */
screen_info.lfb_size = 0;
screen_info.lfb_base = 0;
screen_info.orig_video_isVGA = 0;
}
return 0;