Thread (7 messages) 7 messages, 3 authors, 2015-10-20

Re: [PATCH] fbcon: initialize blink interval before calling fb_set_par

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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2015-10-20 21:00:42
Also in: lkml

On Fri, 2015-10-09 at 15:08 +0000, Scot Doyle wrote:
Since commit 27a4c827c34ac4256a190cc9d24607f953c1c459
    fbcon: use the cursor blink interval provided by vt

a PPC64LE kernel fails to boot when fbcon_add_cursor_timer uses an
uninitialized ops->cur_blink_jiffies. Prevent by initializing
in fbcon_init before the call to info->fbops->fb_set_par.
Any reason that hasn't hit upstream (and stable) yet ? This is pretty
major...
quoted hunk ↗ jump to hunk
Reported-and-tested-by: Alistair Popple <redacted>
Signed-off-by: Scot Doyle <redacted>
---
 drivers/video/console/fbcon.c | 1 +
 1 file changed, 1 insertion(+)
diff --git a/drivers/video/console/fbcon.c
b/drivers/video/console/fbcon.c
index 1aaf893..92f3949 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -1093,6 +1093,7 @@ static void fbcon_init(struct vc_data *vc, int
init)
                con_copy_unimap(vc, svc);
 
        ops = info->fbcon_par;
+       ops->cur_blink_jiffies = msecs_to_jiffies(vc
->vc_cur_blink_ms);
        p->con_rotate = initial_rotation;
        set_blitting_type(vc, info);
 
-- 
2.1.4

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