freedreno: hw timestamp support

[mesa.git] / src / gallium / drivers / freedreno / freedreno_screen.c

diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index 81fb2adae424ea9fe208c1929018eb962c52a409..0aaa4d048997daae8daa903b9b99d750ffb75186 100644 (file)
--- 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)) {