fbcon: Don't reset logo_shown when logo is currently shown

When the logo is currently drawn on a virtual console, and the console
loglevel is reduced to quiet, logo_shown must be left alone, so that it
the scrolling region on that virtual console is properly reset.

Fixes: 10993504d647 ("fbcon: Silence fbcon logo on 'quiet' boots")
Signed-off-by: Andreas Schwab <[email protected]>
Cc: Prarit Bhargava <[email protected]>
Cc: Yisheng Xie <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Marko Myllynen <[email protected]>
Cc: Hans de Goede <[email protected]>
Cc: Thierry Reding <[email protected]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]>

diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index cd059a801662e9f78d0bc43669d21c64d9e9b47f..786f9aab55df6bdd4bb5504010b453c9991bd076 100644 (file)
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -1069,7 +1069,7 @@ static void fbcon_init(struct vc_data *vc, int init)
 
        cap = info->flags;
 
-       if (console_loglevel <= CONSOLE_LOGLEVEL_QUIET)
+       if (logo_shown < 0 && console_loglevel <= CONSOLE_LOGLEVEL_QUIET)
                logo_shown = FBCON_LOGO_DONTSHOW;
 
        if (vc != svc || logo_shown == FBCON_LOGO_DONTSHOW ||