diff options
author | Maíra Canal <mcanal@igalia.com> | 2024-05-12 19:23:28 -0300 |
---|---|---|
committer | Maíra Canal <mcanal@igalia.com> | 2024-05-20 16:38:03 -0300 |
commit | f5b798bdc9179b88269e13bb9b13db4a1527f4e2 (patch) | |
tree | 6e7869dccd714b7af6626edf0f2e640027173b1e /drivers/gpu/drm/v3d/v3d_sched.c | |
parent | f33fe58298e686e7cc2d24f747c980457812b566 (diff) |
drm/v3d: Use V3D_MAX_COUNTERS instead of V3D_PERFCNT_NUM
V3D_PERFCNT_NUM represents the maximum number of performance counters
for V3D 4.2, but not for V3D 7.1. This means that, if we use
V3D_PERFCNT_NUM, we might go out-of-bounds on V3D 7.1.
Therefore, use the number of performance counters on V3D 7.1 as the
maximum number of counters. This will allow us to create arrays on the
stack with reasonable size. Note that userspace must use the value
provided by DRM_V3D_PARAM_MAX_PERF_COUNTERS.
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240512222655.2792754-6-mcanal@igalia.com
Diffstat (limited to 'drivers/gpu/drm/v3d/v3d_sched.c')
-rw-r--r-- | drivers/gpu/drm/v3d/v3d_sched.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_sched.c b/drivers/gpu/drm/v3d/v3d_sched.c index 7cd8c335cd9b..03df37a3acf5 100644 --- a/drivers/gpu/drm/v3d/v3d_sched.c +++ b/drivers/gpu/drm/v3d/v3d_sched.c @@ -490,7 +490,7 @@ v3d_write_performance_query_result(struct v3d_cpu_job *job, void *data, u32 quer struct v3d_file_priv *v3d_priv = job->base.file->driver_priv; struct v3d_dev *v3d = job->base.v3d; struct v3d_perfmon *perfmon; - u64 counter_values[V3D_PERFCNT_NUM]; + u64 counter_values[V3D_MAX_COUNTERS]; for (int i = 0; i < performance_query->nperfmons; i++) { perfmon = v3d_perfmon_find(v3d_priv, |