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authorJohn Harrison <John.C.Harrison@Intel.com>2021-07-21 15:30:32 -0700
committerMatt Roper <matthew.d.roper@intel.com>2021-07-22 09:37:10 -0700
commit8f57f295c8952ed45aa7c1c6296d36ced08f85ed (patch)
tree8aa703b1e9236e65fce91a58849168f8a28d1585 /drivers/gpu/drm/i915/gt/selftest_workarounds.c
parentdrm/i915/gen12: Use fuse info to enable SFC (diff)
downloadlinux-dev-8f57f295c8952ed45aa7c1c6296d36ced08f85ed.tar.xz
linux-dev-8f57f295c8952ed45aa7c1c6296d36ced08f85ed.zip
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_workarounds.c')
-rw-r--r--drivers/gpu/drm/i915/gt/selftest_workarounds.c32
1 files changed, 21 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_workarounds.c b/drivers/gpu/drm/i915/gt/selftest_workarounds.c
index 7ebc4edb8ecf..7a38ce40feb2 100644
--- a/drivers/gpu/drm/i915/gt/selftest_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/selftest_workarounds.c
@@ -1175,31 +1175,36 @@ live_gpu_reset_workarounds(void *arg)
{
struct intel_gt *gt = arg;
intel_wakeref_t wakeref;
- struct wa_lists lists;
+ struct wa_lists *lists;
bool ok;
if (!intel_has_gpu_reset(gt))
return 0;
+ lists = kzalloc(sizeof(*lists), GFP_KERNEL);
+ if (!lists)
+ return -ENOMEM;
+
pr_info("Verifying after GPU reset...\n");
igt_global_reset_lock(gt);
wakeref = intel_runtime_pm_get(gt->uncore->rpm);
- reference_lists_init(gt, &lists);
+ reference_lists_init(gt, lists);
- ok = verify_wa_lists(gt, &lists, "before reset");
+ ok = verify_wa_lists(gt, lists, "before reset");
if (!ok)
goto out;
intel_gt_reset(gt, ALL_ENGINES, "live_workarounds");
- ok = verify_wa_lists(gt, &lists, "after reset");
+ ok = verify_wa_lists(gt, lists, "after reset");
out:
- reference_lists_fini(gt, &lists);
+ reference_lists_fini(gt, lists);
intel_runtime_pm_put(gt->uncore->rpm, wakeref);
igt_global_reset_unlock(gt);
+ kfree(lists);
return ok ? 0 : -ESRCH;
}
@@ -1214,16 +1219,20 @@ live_engine_reset_workarounds(void *arg)
struct igt_spinner spin;
struct i915_request *rq;
intel_wakeref_t wakeref;
- struct wa_lists lists;
+ struct wa_lists *lists;
int ret = 0;
if (!intel_has_reset_engine(gt))
return 0;
+ lists = kzalloc(sizeof(*lists), GFP_KERNEL);
+ if (!lists)
+ return -ENOMEM;
+
igt_global_reset_lock(gt);
wakeref = intel_runtime_pm_get(gt->uncore->rpm);
- reference_lists_init(gt, &lists);
+ reference_lists_init(gt, lists);
for_each_engine(engine, gt, id) {
bool ok;
@@ -1235,7 +1244,7 @@ live_engine_reset_workarounds(void *arg)
break;
}
- ok = verify_wa_lists(gt, &lists, "before reset");
+ ok = verify_wa_lists(gt, lists, "before reset");
if (!ok) {
ret = -ESRCH;
goto err;
@@ -1247,7 +1256,7 @@ live_engine_reset_workarounds(void *arg)
goto err;
}
- ok = verify_wa_lists(gt, &lists, "after idle reset");
+ ok = verify_wa_lists(gt, lists, "after idle reset");
if (!ok) {
ret = -ESRCH;
goto err;
@@ -1282,7 +1291,7 @@ live_engine_reset_workarounds(void *arg)
igt_spinner_end(&spin);
igt_spinner_fini(&spin);
- ok = verify_wa_lists(gt, &lists, "after busy reset");
+ ok = verify_wa_lists(gt, lists, "after busy reset");
if (!ok) {
ret = -ESRCH;
goto err;
@@ -1294,9 +1303,10 @@ err:
break;
}
- reference_lists_fini(gt, &lists);
+ reference_lists_fini(gt, lists);
intel_runtime_pm_put(gt->uncore->rpm, wakeref);
igt_global_reset_unlock(gt);
+ kfree(lists);
igt_flush_test(gt->i915);