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path: root/drivers/gpu/drm/v3d/v3d_drv.c
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Diffstat (limited to 'drivers/gpu/drm/v3d/v3d_drv.c')
-rw-r--r--drivers/gpu/drm/v3d/v3d_drv.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
index 28b7ddce7747..a47f00b443d3 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;
@@ -208,6 +211,7 @@ static const struct drm_ioctl_desc v3d_drm_ioctls[] = {
DRM_IOCTL_DEF_DRV(V3D_PERFMON_DESTROY, v3d_perfmon_destroy_ioctl, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(V3D_PERFMON_GET_VALUES, v3d_perfmon_get_values_ioctl, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(V3D_SUBMIT_CPU, v3d_submit_cpu_ioctl, DRM_RENDER_ALLOW | DRM_AUTH),
+ DRM_IOCTL_DEF_DRV(V3D_PERFMON_GET_COUNTER, v3d_perfmon_get_counter_ioctl, DRM_RENDER_ALLOW),
};
static const struct drm_driver v3d_drm_driver = {
@@ -294,6 +298,13 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
v3d->cores = V3D_GET_FIELD(ident1, V3D_HUB_IDENT1_NCORES);
WARN_ON(v3d->cores > 1); /* multicore not yet implemented */
+ if (v3d->ver >= 71)
+ v3d->max_counters = V3D_V71_NUM_PERFCOUNTERS;
+ else if (v3d->ver >= 42)
+ v3d->max_counters = V3D_V42_NUM_PERFCOUNTERS;
+ else
+ v3d->max_counters = 0;
+
v3d->reset = devm_reset_control_get_exclusive(dev, NULL);
if (IS_ERR(v3d->reset)) {
ret = PTR_ERR(v3d->reset);