From: Ksenija Stanojevic <ksenija.stanojevic@gmail.com> Date: Sun, 2 Oct 2016 15:42:35 +0000 (+0200) Subject: Staging: fbtft: Fix bug in fbtft-core X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=fc1e2c8ea85e109acf09e74789e9b852f6eed251;p=openwrt%2Fstaging%2Fblogic.git 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@gmail.com> Fixes: 367e8560e8d7 ("Staging: fbtbt: Replace timespec with ktime_t") Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- 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);