diff options
| author | John Harrison <John.C.Harrison@Intel.com> | 2021-07-21 15:30:32 -0700 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2021-07-22 09:37:10 -0700 |
| commit | 8f57f295c8952ed45aa7c1c6296d36ced08f85ed (patch) | |
| tree | 8aa703b1e9236e65fce91a58849168f8a28d1585 /drivers/gpu/drm/i915/gt/selftest_execlists.c | |
| parent | 442e049aedb2aa8dac55b073595b02cf5d13899c (diff) | |
drm/i915/selftests: Allow for larger engine counts
Increasing the engine count causes a couple of local array variables
to exceed the kernel stack limit. So make them dynamic allocations
instead.
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210721223043.834562-8-matthew.d.roper@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/selftest_execlists.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/selftest_execlists.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_execlists.c b/drivers/gpu/drm/i915/gt/selftest_execlists.c index 73ddc6e14730..22a124b134b6 100644 --- a/drivers/gpu/drm/i915/gt/selftest_execlists.c +++ b/drivers/gpu/drm/i915/gt/selftest_execlists.c @@ -3561,12 +3561,16 @@ static int smoke_crescendo(struct preempt_smoke *smoke, unsigned int flags) #define BATCH BIT(0) { struct task_struct *tsk[I915_NUM_ENGINES] = {}; - struct preempt_smoke arg[I915_NUM_ENGINES]; + struct preempt_smoke *arg; struct intel_engine_cs *engine; enum intel_engine_id id; unsigned long count; int err = 0; + arg = kmalloc_array(I915_NUM_ENGINES, sizeof(*arg), GFP_KERNEL); + if (!arg) + return -ENOMEM; + for_each_engine(engine, smoke->gt, id) { arg[id] = *smoke; arg[id].engine = engine; @@ -3574,7 +3578,7 @@ static int smoke_crescendo(struct preempt_smoke *smoke, unsigned int flags) arg[id].batch = NULL; arg[id].count = 0; - tsk[id] = kthread_run(smoke_crescendo_thread, &arg, + tsk[id] = kthread_run(smoke_crescendo_thread, arg, "igt/smoke:%d", id); if (IS_ERR(tsk[id])) { err = PTR_ERR(tsk[id]); @@ -3603,6 +3607,8 @@ static int smoke_crescendo(struct preempt_smoke *smoke, unsigned int flags) pr_info("Submitted %lu crescendo:%x requests across %d engines and %d contexts\n", count, flags, smoke->gt->info.num_engines, smoke->ncontext); + + kfree(arg); return 0; } |