From c22f7e956932a6dfa9e0532a4a5d13829109d95f Mon Sep 17 00:00:00 2001 From: Sharat Masetty Date: Mon, 15 May 2017 11:57:05 +0530 Subject: [PATCH] drm/msm: profile submit_time in nanosecond resolution The initial version of the patch save the command submit_time and queue_time in seconds, but its desired by the users of this profiling API to return the time in nanoseconds resolution. Change-Id: I3a56e3ffd3ebe86f51a00a12b7c3e7c4b4c9a956 Signed-off-by: Sharat Masetty --- drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 2 -- include/uapi/drm/msm_drm.h | 4 ++-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index dbd4fb8b2212..6248df4dc023 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -263,8 +263,6 @@ static int a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) local_irq_restore(flags); - do_div(ktime, NSEC_PER_SEC); - profile_buf->queue_time = ktime; profile_buf->submit_time = ktime; } diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h index 48c49741d77f..7aa6496c7608 100644 --- a/include/uapi/drm/msm_drm.h +++ b/include/uapi/drm/msm_drm.h @@ -221,8 +221,8 @@ struct drm_msm_gem_submit { }; struct drm_msm_gem_submit_profile_buffer { - __s64 queue_time; /* out, Ringbuffer queue time (seconds) */ - __s64 submit_time; /* out, Ringbuffer submission time (seconds) */ + __s64 queue_time; /* out, Ringbuffer queue time (nsecs) */ + __s64 submit_time; /* out, Ringbuffer submission time (nsecs) */ __u64 ticks_queued; /* out, GPU ticks at ringbuffer submission */ __u64 ticks_submitted; /* out, GPU ticks before cmdstream execution*/ __u64 ticks_retired; /* out, GPU ticks after cmdstream execution */