On 27/11/2019 22:32, Chris Wilson wrote:
Don't rely on the RUNTIME_INFO() when we loop over a particular context
and only run on a filtered set of engines.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
.../drm/i915/gem/selftests/i915_gem_context.c | 25 ++++++++++++-------
1 file changed, 16 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
index 2ea4790f3721..33e56d9af061 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
@@ -1343,11 +1343,13 @@ static int igt_ctx_sseu(void *arg)
static int igt_ctx_readonly(void *arg)
{
struct drm_i915_private *i915 = arg;
+ unsigned long idx, ndwords, dw, num_engines;
struct drm_i915_gem_object *obj = NULL;
struct i915_request *tq[5] = {};
+ struct i915_gem_engines_iter it;
struct i915_address_space *vm;
struct i915_gem_context *ctx;
- unsigned long idx, ndwords, dw;
+ struct intel_context *ce;
struct igt_live_test t;
I915_RND_STATE(prng);
IGT_TIMEOUT(end_time);
@@ -1381,12 +1383,15 @@ static int igt_ctx_readonly(void *arg)
goto out_file;
}
+ num_engines = 0;
+ for_each_gem_engine(ce, i915_gem_context_lock_engines(ctx), it)
+ if (intel_engine_can_store_dword(ce->engine))
+ num_engines++;
+ i915_gem_context_unlock_engines(ctx);
+
ndwords = 0;
dw = 0;
while (!time_after(jiffies, end_time)) {
- struct i915_gem_engines_iter it;
- struct intel_context *ce;
-
for_each_gem_engine(ce,
i915_gem_context_lock_engines(ctx), it) {
if (!intel_engine_can_store_dword(ce->engine))
@@ -1429,8 +1434,8 @@ static int igt_ctx_readonly(void *arg)
}
i915_gem_context_unlock_engines(ctx);
}
- pr_info("Submitted %lu dwords (across %u engines)\n",
- ndwords, RUNTIME_INFO(i915)->num_engines);
+ pr_info("Submitted %lu dwords (across %lu engines)\n",
+ ndwords, num_engines);
dw = 0;
idx = 0;
@@ -1690,10 +1695,10 @@ static int igt_vm_isolation(void *arg)
{
struct drm_i915_private *i915 = arg;
struct i915_gem_context *ctx_a, *ctx_b;
+ unsigned long num_engines, count;
struct intel_engine_cs *engine;
struct igt_live_test t;
I915_RND_STATE(prng);
- unsigned long count;
struct file *file;
u64 vm_total;
int err;
@@ -1735,6 +1740,7 @@ static int igt_vm_isolation(void *arg)
vm_total -= I915_GTT_PAGE_SIZE;
count = 0;
+ num_engines = 0;
for_each_uabi_engine(engine, i915) {
IGT_TIMEOUT(end_time);
unsigned long this = 0;
@@ -1772,9 +1778,10 @@ static int igt_vm_isolation(void *arg)
this++;
}
count += this;
+ num_engines++;
}
- pr_info("Checked %lu scratch offsets across %d engines\n",
- count, RUNTIME_INFO(i915)->num_engines);
+ pr_info("Checked %lu scratch offsets across %lu engines\n",
+ count, num_engines);
out_file:
if (igt_live_test_end(&t))
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Regards,
Tvrtko
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