| Message ID | 20240508143306.2435304-5-mcanal@igalia.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/v3d: Improve Performance Counters handling | expand |
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 {
The maximum number of performance counters can change from version to version and it's important for userspace to know this value, as it needs to use the counters for performance queries. Therefore, expose the maximum number of performance counters to userspace as a parameter. Signed-off-by: Maíra Canal <mcanal@igalia.com> --- drivers/gpu/drm/v3d/v3d_drv.c | 3 +++ include/uapi/drm/v3d_drm.h | 1 + 2 files changed, 4 insertions(+)