From c6eabbab359c156669e10d5dec3e71e80ff09bd2 Mon Sep 17 00:00:00 2001 From: Christian Gmeiner Date: Mon, 2 Dec 2024 15:06:13 +0100 Subject: drm/v3d: Add DRM_IOCTL_V3D_PERFMON_SET_GLOBAL MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a new ioctl, DRM_IOCTL_V3D_PERFMON_SET_GLOBAL, to allow configuration of a global performance monitor (perfmon). Use the global perfmon for all jobs to ensure consistent performance tracking across submissions. This feature is needed to implement a Perfetto datasources in user-space. Signed-off-by: Christian Gmeiner Reviewed-by: Maíra Canal Signed-off-by: Maíra Canal Link: https://patchwork.freedesktop.org/patch/msgid/20241202140615.74802-1-christian.gmeiner@gmail.com --- drivers/gpu/drm/v3d/v3d_submit.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/gpu/drm/v3d/v3d_submit.c') diff --git a/drivers/gpu/drm/v3d/v3d_submit.c b/drivers/gpu/drm/v3d/v3d_submit.c index d607aa9c4ec2..9e439c9f0a93 100644 --- a/drivers/gpu/drm/v3d/v3d_submit.c +++ b/drivers/gpu/drm/v3d/v3d_submit.c @@ -981,6 +981,11 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data, goto fail; if (args->perfmon_id) { + if (v3d->global_perfmon) { + ret = -EAGAIN; + goto fail_perfmon; + } + render->base.perfmon = v3d_perfmon_find(v3d_priv, args->perfmon_id); @@ -1196,6 +1201,11 @@ v3d_submit_csd_ioctl(struct drm_device *dev, void *data, goto fail; if (args->perfmon_id) { + if (v3d->global_perfmon) { + ret = -EAGAIN; + goto fail_perfmon; + } + job->base.perfmon = v3d_perfmon_find(v3d_priv, args->perfmon_id); if (!job->base.perfmon) { -- cgit v1.2.3