diff options
| author | Rob Clark <[email protected]> | 2016-02-23 12:03:43 -0500 |
|---|---|---|
| committer | Rob Clark <[email protected]> | 2016-07-23 13:39:30 -0400 |
| commit | b888d8e9372b671074844a208fd9cd499ef53c69 (patch) | |
| tree | 11b217d919cc196850214dca1b8e197db4bf048c /src/gallium | |
| parent | 6a4b052820a4553c536b08176795e3685f4a16e4 (diff) | |
freedreno: hw timestamp support
If the kernel supports it, use hw counter for timestamps.
Signed-off-by: Rob Clark <[email protected]>
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_screen.c | 16 | ||||
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_screen.h | 1 |
2 files changed, 15 insertions, 2 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c index 81fb2adae42..0aaa4d04899 100644 --- a/src/gallium/drivers/freedreno/freedreno_screen.c +++ b/src/gallium/drivers/freedreno/freedreno_screen.c @@ -109,8 +109,18 @@ fd_screen_get_device_vendor(struct pipe_screen *pscreen) static uint64_t fd_screen_get_timestamp(struct pipe_screen *pscreen) { - int64_t cpu_time = os_time_get() * 1000; - return cpu_time + fd_screen(pscreen)->cpu_gpu_time_delta; + struct fd_screen *screen = fd_screen(pscreen); + + if (screen->has_timestamp) { + uint64_t n; + fd_pipe_get_param(screen->pipe, FD_TIMESTAMP, &n); + debug_assert(screen->max_freq > 0); + return n * 1000000000 / screen->max_freq; + } else { + int64_t cpu_time = os_time_get() * 1000; + return cpu_time + screen->cpu_gpu_time_delta; + } + } static void @@ -595,6 +605,8 @@ fd_screen_create(struct fd_device *dev) screen->max_freq = 0; } else { screen->max_freq = val; + if (fd_pipe_get_param(screen->pipe, FD_TIMESTAMP, &val) == 0) + screen->has_timestamp = true; } if (fd_pipe_get_param(screen->pipe, FD_GPU_ID, &val)) { diff --git a/src/gallium/drivers/freedreno/freedreno_screen.h b/src/gallium/drivers/freedreno/freedreno_screen.h index a81c7786390..0c899d5a7f0 100644 --- a/src/gallium/drivers/freedreno/freedreno_screen.h +++ b/src/gallium/drivers/freedreno/freedreno_screen.h @@ -58,6 +58,7 @@ struct fd_screen { uint32_t chip_id; /* coreid:8 majorrev:8 minorrev:8 patch:8 */ uint32_t max_freq; uint32_t max_rts; /* max # of render targets */ + bool has_timestamp; void *compiler; /* currently unused for a2xx */ |