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-rw-r--r--drivers/gpu/drm/v3d/v3d_drv.c3
-rw-r--r--include/uapi/drm/v3d_drm.h1
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
index 6b9dd26df9fe..d2c1d5053132 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.c
+++ b/drivers/gpu/drm/v3d/v3d_drv.c
@@ -94,6 +94,9 @@ static int v3d_get_param_ioctl(struct drm_device *dev, void *data,
case DRM_V3D_PARAM_SUPPORTS_CPU_QUEUE:
args->value = 1;
return 0;
+ case DRM_V3D_PARAM_MAX_PERF_COUNTERS:
+ args->value = v3d->max_counters;
+ return 0;
default:
DRM_DEBUG("Unknown parameter %d\n", args->param);
return -EINVAL;
diff --git a/include/uapi/drm/v3d_drm.h b/include/uapi/drm/v3d_drm.h
index dce1835eced4..215b01bb69c3 100644
--- a/include/uapi/drm/v3d_drm.h
+++ b/include/uapi/drm/v3d_drm.h
@@ -286,6 +286,7 @@ enum drm_v3d_param {
DRM_V3D_PARAM_SUPPORTS_PERFMON,
DRM_V3D_PARAM_SUPPORTS_MULTISYNC_EXT,
DRM_V3D_PARAM_SUPPORTS_CPU_QUEUE,
+ DRM_V3D_PARAM_MAX_PERF_COUNTERS,
};
struct drm_v3d_get_param {