This is a note to let you know that I've just added the patch titled
Staging: fbtft: Fix bug in fbtft-core
to my staging git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
in the staging-next branch.
The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)
The patch will also be merged in the next major kernel release
during the merge window.
If you have any questions about this process, please let me know.
>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
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")
Cc: stable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/fbtft/fbtft-core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index d90461627552..587f68aa466c 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -391,11 +391,11 @@ static void fbtft_update_display(struct fbtft_par *par, unsigned int start_line,
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);
--
2.10.0
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