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drm/i915/selftests: Use request managed wakerefs

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Since commit 79ffac8599 ("drm/i915: Invert the GEM wakeref
hierarchy"), the request creation itself took responsibility for
managing the engine/GT wakerefs and so we can remove the redundant grabs
in our selftests.

References: 79ffac8599 ("drm/i915: Invert the GEM wakeref hierarchy")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190620102432.31580-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2019-06-20 11:24:32 +01:00
parent cffa1eb8a2
commit 60a0933bff
1 changed files with 7 additions and 28 deletions
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35
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
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@@ -31,7 +31,6 @@ static int live_nop_switch(void *arg)
struct intel_engine_cs *engine;
struct i915_gem_context **ctx;
enum intel_engine_id id;
intel_wakeref_t wakeref;
struct igt_live_test t;
struct drm_file *file;
unsigned long n;
@@ -53,7 +52,6 @@ static int live_nop_switch(void *arg)
return PTR_ERR(file);
mutex_lock(&i915->drm.struct_mutex);
wakeref = intel_runtime_pm_get(&i915->runtime_pm);
ctx = kcalloc(nctx, sizeof(*ctx), GFP_KERNEL);
if (!ctx) {
@@ -152,7 +150,6 @@ static int live_nop_switch(void *arg)
}
out_unlock:
intel_runtime_pm_put(&i915->runtime_pm, wakeref);
mutex_unlock(&i915->drm.struct_mutex);
mock_file_free(i915, file);
return err;
@@ -507,7 +504,6 @@ static int igt_ctx_exec(void *arg)
dw = 0;
while (!time_after(jiffies, end_time)) {
struct i915_gem_context *ctx;
intel_wakeref_t wakeref;
ctx = live_context(i915, file);
if (IS_ERR(ctx)) {
@@ -523,8 +519,7 @@ static int igt_ctx_exec(void *arg)
}
}
with_intel_runtime_pm(&i915->runtime_pm, wakeref)
err = gpu_fill(obj, ctx, engine, dw);
err = gpu_fill(obj, ctx, engine, dw);
if (err) {
pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) in ctx %u [full-ppgtt? %s], err=%d\n",
ndwords, dw, max_dwords(obj),
@@ -623,7 +618,6 @@ static int igt_shared_ctx_exec(void *arg)
ncontexts = 0;
while (!time_after(jiffies, end_time)) {
struct i915_gem_context *ctx;
intel_wakeref_t wakeref;
ctx = kernel_context(i915);
if (IS_ERR(ctx)) {
@@ -642,9 +636,7 @@ static int igt_shared_ctx_exec(void *arg)
}
}
err = 0;
with_intel_runtime_pm(&i915->runtime_pm, wakeref)
err = gpu_fill(obj, ctx, engine, dw);
err = gpu_fill(obj, ctx, engine, dw);
if (err) {
pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) in ctx %u [full-ppgtt? %s], err=%d\n",
ndwords, dw, max_dwords(obj),
@@ -1030,7 +1022,6 @@ __igt_ctx_sseu(struct drm_i915_private *i915,
struct i915_gem_context *ctx;
struct intel_context *ce;
struct intel_sseu pg_sseu;
intel_wakeref_t wakeref;
struct drm_file *file;
int ret;
@@ -1078,12 +1069,10 @@ __igt_ctx_sseu(struct drm_i915_private *i915,
goto out_unlock;
}
wakeref = intel_runtime_pm_get(&i915->runtime_pm);
ce = i915_gem_context_get_engine(ctx, RCS0);
if (IS_ERR(ce)) {
ret = PTR_ERR(ce);
goto out_rpm;
goto out_put;
}
ret = intel_context_pin(ce);
@@ -1117,8 +1106,7 @@ out_fail:
intel_context_unpin(ce);
out_context:
intel_context_put(ce);
out_rpm:
intel_runtime_pm_put(&i915->runtime_pm, wakeref);
out_put:
i915_gem_object_put(obj);
out_unlock:
@@ -1207,8 +1195,6 @@ static int igt_ctx_readonly(void *arg)
unsigned int id;
for_each_engine(engine, i915, id) {
intel_wakeref_t wakeref;
if (!intel_engine_can_store_dword(engine))
continue;
@@ -1223,9 +1209,7 @@ static int igt_ctx_readonly(void *arg)
i915_gem_object_set_readonly(obj);
}
err = 0;
with_intel_runtime_pm(&i915->runtime_pm, wakeref)
err = gpu_fill(obj, ctx, engine, dw);
err = gpu_fill(obj, ctx, engine, dw);
if (err) {
pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) in ctx %u [full-ppgtt? %s], err=%d\n",
ndwords, dw, max_dwords(obj),
@@ -1488,7 +1472,6 @@ static int igt_vm_isolation(void *arg)
struct drm_i915_private *i915 = arg;
struct i915_gem_context *ctx_a, *ctx_b;
struct intel_engine_cs *engine;
intel_wakeref_t wakeref;
struct igt_live_test t;
struct drm_file *file;
I915_RND_STATE(prng);
@@ -1535,8 +1518,6 @@ static int igt_vm_isolation(void *arg)
GEM_BUG_ON(ctx_b->vm->total != vm_total);
vm_total -= I915_GTT_PAGE_SIZE;
wakeref = intel_runtime_pm_get(&i915->runtime_pm);
count = 0;
for_each_engine(engine, i915, id) {
IGT_TIMEOUT(end_time);
@@ -1560,7 +1541,7 @@ static int igt_vm_isolation(void *arg)
err = read_from_scratch(ctx_b, engine,
offset, &value);
if (err)
goto out_rpm;
goto out_unlock;
if (value) {
pr_err("%s: Read %08x from scratch (offset 0x%08x_%08x), after %lu reads!\n",
@@ -1569,7 +1550,7 @@ static int igt_vm_isolation(void *arg)
lower_32_bits(offset),
this);
err = -EINVAL;
goto out_rpm;
goto out_unlock;
}
this++;
@@ -1579,8 +1560,6 @@ static int igt_vm_isolation(void *arg)
pr_info("Checked %lu scratch offsets across %d engines\n",
count, RUNTIME_INFO(i915)->num_engines);
out_rpm:
intel_runtime_pm_put(&i915->runtime_pm, wakeref);
out_unlock:
if (igt_live_test_end(&t))
err = -EIO;