This is a note to let you know that I've just added the patch titled
Staging: fbtft: Fix bug in fbtft-core
to the 4.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
staging-fbtft-fix-bug-in-fbtft-core.patch
and it can be found in the queue-4.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From fc1e2c8ea85e109acf09e74789e9b852f6eed251 Mon Sep 17 00:00:00 2001
From: Ksenija Stanojevic <ksenija.stanojevic@xxxxxxxxx>
Date: Sun, 2 Oct 2016 17:42:35 +0200
Subject: Staging: fbtft: Fix bug in fbtft-core
From: Ksenija Stanojevic <ksenija.stanojevic@xxxxxxxxx>
commit fc1e2c8ea85e109acf09e74789e9b852f6eed251 upstream.
Commit 367e8560e8d7a62d96e9b1d644028a3816e04206 introduced a bug
in fbtft-core where fps is always 0, this is because variable
update_time is not assigned correctly.
Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@xxxxxxxxx>
Fixes: 367e8560e8d7 ("Staging: fbtbt: Replace timespec with ktime_t")
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/fbtft/fbtft-core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -391,11 +391,11 @@ static void fbtft_update_display(struct
if (unlikely(timeit)) {
ts_end = ktime_get();
- if (ktime_to_ns(par->update_time))
+ if (!ktime_to_ns(par->update_time))
par->update_time = ts_start;
- par->update_time = ts_start;
fps = ktime_us_delta(ts_start, par->update_time);
+ par->update_time = ts_start;
fps = fps ? 1000000 / fps : 0;
throughput = ktime_us_delta(ts_end, ts_start);
Patches currently in stable-queue which might be from ksenija.stanojevic@xxxxxxxxx are
queue-4.8/staging-fbtft-fix-bug-in-fbtft-core.patch
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