From 07d19e3cce15ed4a481236fe5e24668a720d0cbd Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 12 Sep 2012 22:10:40 -0300 Subject: [PATCH] [media] omap3isp: Use monotonic timestamps for statistics buffers V4L2 buffers use the monotonic clock, while statistics buffers use wall time. This makes it difficult to correlate video frames and statistics. Switch statistics buffers to the monotonic clock to fix this. Reported-by: Antoine Reversat Signed-off-by: Laurent Pinchart Acked-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/omap3isp/ispstat.c | 5 +++-- drivers/media/platform/omap3isp/ispstat.h | 2 +- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/omap3isp/ispstat.c b/drivers/media/platform/omap3isp/ispstat.c index b8640be..6e24895 100644 --- a/drivers/media/platform/omap3isp/ispstat.c +++ b/drivers/media/platform/omap3isp/ispstat.c @@ -256,7 +256,7 @@ static int isp_stat_buf_queue(struct ispstat *stat) if (!stat->active_buf) return STAT_NO_BUF; - do_gettimeofday(&stat->active_buf->ts); + ktime_get_ts(&stat->active_buf->ts); stat->active_buf->buf_size = stat->buf_size; if (isp_stat_buf_check_magic(stat, stat->active_buf)) { @@ -536,7 +536,8 @@ int omap3isp_stat_request_statistics(struct ispstat *stat, return PTR_ERR(buf); } - data->ts = buf->ts; + data->ts.tv_sec = buf->ts.tv_sec; + data->ts.tv_usec = buf->ts.tv_nsec / NSEC_PER_USEC; data->config_counter = buf->config_counter; data->frame_number = buf->frame_number; data->buf_size = buf->buf_size; diff --git a/drivers/media/platform/omap3isp/ispstat.h b/drivers/media/platform/omap3isp/ispstat.h index 9b7c865..8221d0c 100644 --- a/drivers/media/platform/omap3isp/ispstat.h +++ b/drivers/media/platform/omap3isp/ispstat.h @@ -50,7 +50,7 @@ struct ispstat_buffer { struct iovm_struct *iovm; void *virt_addr; dma_addr_t dma_addr; - struct timeval ts; + struct timespec ts; u32 buf_size; u32 frame_number; u16 config_counter; -- 2.7.4