drm/msm: add timestamp param
We need this for GL_TIMESTAMP queries.
Note: currently only supported on a4xx.. a3xx doesn't have this
always-on counter. I think we could emulate it with the one CP
counter that is available, but for now it is of limited usefulness
on a3xx (since we can't seem to do time-elapsed queries in any sane
way with the existing firmware on a3xx, and if you are trying to do
profiling on a tiler you want time-elapsed). We can add that later
if it becomes useful.
Signed-off-by: Rob Clark <robdclark@gmail.com>
diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h
index 0e3c4c4..254d3e9 100644
--- a/include/uapi/drm/msm_drm.h
+++ b/include/uapi/drm/msm_drm.h
@@ -51,6 +51,7 @@
#define MSM_PARAM_GMEM_SIZE 0x02
#define MSM_PARAM_CHIP_ID 0x03
#define MSM_PARAM_MAX_FREQ 0x04
+#define MSM_PARAM_TIMESTAMP 0x05
struct drm_msm_param {
__u32 pipe; /* in, MSM_PIPE_x */