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path: root/drivers/gpu/drm/i915/selftests/i915_gem_context.c
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Diffstat (limited to 'drivers/gpu/drm/i915/selftests/i915_gem_context.c')
-rw-r--r--drivers/gpu/drm/i915/selftests/i915_gem_context.c269
1 files changed, 196 insertions, 73 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/selftests/i915_gem_context.c
index 4399ef9ebf15..45f73b8b4e6d 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_context.c
@@ -76,7 +76,7 @@ static int live_nop_switch(void *arg)
}
for (n = 0; n < nctx; n++) {
- ctx[n] = i915_gem_create_context(i915, file->driver_priv);
+ ctx[n] = live_context(i915, file);
if (IS_ERR(ctx[n])) {
err = PTR_ERR(ctx[n]);
goto out_unlock;
@@ -220,6 +220,7 @@ gpu_fill_dw(struct i915_vma *vma, u64 offset, unsigned long count, u32 value)
offset += PAGE_SIZE;
}
*cmd = MI_BATCH_BUFFER_END;
+ i915_gem_object_flush_map(obj);
i915_gem_object_unpin_map(obj);
err = i915_gem_object_set_to_gtt_domain(obj, false);
@@ -372,7 +373,8 @@ static int cpu_fill(struct drm_i915_gem_object *obj, u32 value)
return 0;
}
-static int cpu_check(struct drm_i915_gem_object *obj, unsigned int max)
+static noinline int cpu_check(struct drm_i915_gem_object *obj,
+ unsigned int idx, unsigned int max)
{
unsigned int n, m, needs_flush;
int err;
@@ -390,8 +392,10 @@ static int cpu_check(struct drm_i915_gem_object *obj, unsigned int max)
for (m = 0; m < max; m++) {
if (map[m] != m) {
- pr_err("Invalid value at page %d, offset %d: found %x expected %x\n",
- n, m, map[m], m);
+ pr_err("%pS: Invalid value at object %d page %d/%ld, offset %d/%d: found %x expected %x\n",
+ __builtin_return_address(0), idx,
+ n, real_page_count(obj), m, max,
+ map[m], m);
err = -EINVAL;
goto out_unmap;
}
@@ -399,8 +403,9 @@ static int cpu_check(struct drm_i915_gem_object *obj, unsigned int max)
for (; m < DW_PER_PAGE; m++) {
if (map[m] != STACK_MAGIC) {
- pr_err("Invalid value at page %d, offset %d: found %x expected %x\n",
- n, m, map[m], STACK_MAGIC);
+ pr_err("%pS: Invalid value at object %d page %d, offset %d: found %x expected %x (uninitialised)\n",
+ __builtin_return_address(0), idx, n, m,
+ map[m], STACK_MAGIC);
err = -EINVAL;
goto out_unmap;
}
@@ -478,12 +483,8 @@ static unsigned long max_dwords(struct drm_i915_gem_object *obj)
static int igt_ctx_exec(void *arg)
{
struct drm_i915_private *i915 = arg;
- struct drm_i915_gem_object *obj = NULL;
- unsigned long ncontexts, ndwords, dw;
- struct igt_live_test t;
- struct drm_file *file;
- IGT_TIMEOUT(end_time);
- LIST_HEAD(objects);
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
int err = -ENODEV;
/*
@@ -495,44 +496,167 @@ static int igt_ctx_exec(void *arg)
if (!DRIVER_CAPS(i915)->has_logical_contexts)
return 0;
+ for_each_engine(engine, i915, id) {
+ struct drm_i915_gem_object *obj = NULL;
+ unsigned long ncontexts, ndwords, dw;
+ struct igt_live_test t;
+ struct drm_file *file;
+ IGT_TIMEOUT(end_time);
+ LIST_HEAD(objects);
+
+ if (!intel_engine_can_store_dword(engine))
+ continue;
+
+ if (!engine->context_size)
+ continue; /* No logical context support in HW */
+
+ file = mock_file(i915);
+ if (IS_ERR(file))
+ return PTR_ERR(file);
+
+ mutex_lock(&i915->drm.struct_mutex);
+
+ err = igt_live_test_begin(&t, i915, __func__, engine->name);
+ if (err)
+ goto out_unlock;
+
+ ncontexts = 0;
+ ndwords = 0;
+ 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)) {
+ err = PTR_ERR(ctx);
+ goto out_unlock;
+ }
+
+ if (!obj) {
+ obj = create_test_object(ctx, file, &objects);
+ if (IS_ERR(obj)) {
+ err = PTR_ERR(obj);
+ goto out_unlock;
+ }
+ }
+
+ with_intel_runtime_pm(i915, wakeref)
+ 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),
+ engine->name, ctx->hw_id,
+ yesno(!!ctx->ppgtt), err);
+ goto out_unlock;
+ }
+
+ if (++dw == max_dwords(obj)) {
+ obj = NULL;
+ dw = 0;
+ }
+
+ ndwords++;
+ ncontexts++;
+ }
+
+ pr_info("Submitted %lu contexts to %s, filling %lu dwords\n",
+ ncontexts, engine->name, ndwords);
+
+ ncontexts = dw = 0;
+ list_for_each_entry(obj, &objects, st_link) {
+ unsigned int rem =
+ min_t(unsigned int, ndwords - dw, max_dwords(obj));
+
+ err = cpu_check(obj, ncontexts++, rem);
+ if (err)
+ break;
+
+ dw += rem;
+ }
+
+out_unlock:
+ if (igt_live_test_end(&t))
+ err = -EIO;
+ mutex_unlock(&i915->drm.struct_mutex);
+
+ mock_file_free(i915, file);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static int igt_shared_ctx_exec(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ struct i915_gem_context *parent;
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+ struct igt_live_test t;
+ struct drm_file *file;
+ int err = 0;
+
+ /*
+ * Create a few different contexts with the same mm and write
+ * through each ctx using the GPU making sure those writes end
+ * up in the expected pages of our obj.
+ */
+ if (!DRIVER_CAPS(i915)->has_logical_contexts)
+ return 0;
+
file = mock_file(i915);
if (IS_ERR(file))
return PTR_ERR(file);
mutex_lock(&i915->drm.struct_mutex);
+ parent = live_context(i915, file);
+ if (IS_ERR(parent)) {
+ err = PTR_ERR(parent);
+ goto out_unlock;
+ }
+
+ if (!parent->ppgtt) { /* not full-ppgtt; nothing to share */
+ err = 0;
+ goto out_unlock;
+ }
+
err = igt_live_test_begin(&t, i915, __func__, "");
if (err)
goto out_unlock;
- ncontexts = 0;
- ndwords = 0;
- dw = 0;
- while (!time_after(jiffies, end_time)) {
- struct intel_engine_cs *engine;
- struct i915_gem_context *ctx;
- unsigned int id;
+ for_each_engine(engine, i915, id) {
+ unsigned long ncontexts, ndwords, dw;
+ struct drm_i915_gem_object *obj = NULL;
+ IGT_TIMEOUT(end_time);
+ LIST_HEAD(objects);
- ctx = i915_gem_create_context(i915, file->driver_priv);
- if (IS_ERR(ctx)) {
- err = PTR_ERR(ctx);
- goto out_unlock;
- }
+ if (!intel_engine_can_store_dword(engine))
+ continue;
- for_each_engine(engine, i915, id) {
+ dw = 0;
+ ndwords = 0;
+ ncontexts = 0;
+ while (!time_after(jiffies, end_time)) {
+ struct i915_gem_context *ctx;
intel_wakeref_t wakeref;
- if (!engine->context_size)
- continue; /* No logical context support in HW */
+ ctx = kernel_context(i915);
+ if (IS_ERR(ctx)) {
+ err = PTR_ERR(ctx);
+ goto out_test;
+ }
- if (!intel_engine_can_store_dword(engine))
- continue;
+ __assign_ppgtt(ctx, parent->ppgtt);
if (!obj) {
- obj = create_test_object(ctx, file, &objects);
+ obj = create_test_object(parent, file, &objects);
if (IS_ERR(obj)) {
err = PTR_ERR(obj);
- goto out_unlock;
+ kernel_context_close(ctx);
+ goto out_test;
}
}
@@ -544,35 +668,39 @@ static int igt_ctx_exec(void *arg)
ndwords, dw, max_dwords(obj),
engine->name, ctx->hw_id,
yesno(!!ctx->ppgtt), err);
- goto out_unlock;
+ kernel_context_close(ctx);
+ goto out_test;
}
if (++dw == max_dwords(obj)) {
obj = NULL;
dw = 0;
}
+
ndwords++;
+ ncontexts++;
+
+ kernel_context_close(ctx);
}
- ncontexts++;
- }
- pr_info("Submitted %lu contexts (across %u engines), filling %lu dwords\n",
- ncontexts, RUNTIME_INFO(i915)->num_engines, ndwords);
+ pr_info("Submitted %lu contexts to %s, filling %lu dwords\n",
+ ncontexts, engine->name, ndwords);
- dw = 0;
- list_for_each_entry(obj, &objects, st_link) {
- unsigned int rem =
- min_t(unsigned int, ndwords - dw, max_dwords(obj));
+ ncontexts = dw = 0;
+ list_for_each_entry(obj, &objects, st_link) {
+ unsigned int rem =
+ min_t(unsigned int, ndwords - dw, max_dwords(obj));
- err = cpu_check(obj, rem);
- if (err)
- break;
+ err = cpu_check(obj, ncontexts++, rem);
+ if (err)
+ goto out_test;
- dw += rem;
+ dw += rem;
+ }
}
-
-out_unlock:
+out_test:
if (igt_live_test_end(&t))
err = -EIO;
+out_unlock:
mutex_unlock(&i915->drm.struct_mutex);
mock_file_free(i915, file);
@@ -604,12 +732,9 @@ static struct i915_vma *rpcs_query_batch(struct i915_vma *vma)
*cmd++ = upper_32_bits(vma->node.start);
*cmd = MI_BATCH_BUFFER_END;
+ __i915_gem_object_flush_map(obj, 0, 64);
i915_gem_object_unpin_map(obj);
- err = i915_gem_object_set_to_gtt_domain(obj, false);
- if (err)
- goto err;
-
vma = i915_vma_instance(obj, vma->vm, NULL);
if (IS_ERR(vma)) {
err = PTR_ERR(vma);
@@ -962,7 +1087,7 @@ __igt_ctx_sseu(struct drm_i915_private *i915,
mutex_lock(&i915->drm.struct_mutex);
- ctx = i915_gem_create_context(i915, file->driver_priv);
+ ctx = live_context(i915, file);
if (IS_ERR(ctx)) {
ret = PTR_ERR(ctx);
goto out_unlock;
@@ -1048,7 +1173,7 @@ static int igt_ctx_readonly(void *arg)
struct drm_i915_gem_object *obj = NULL;
struct i915_gem_context *ctx;
struct i915_hw_ppgtt *ppgtt;
- unsigned long ndwords, dw;
+ unsigned long idx, ndwords, dw;
struct igt_live_test t;
struct drm_file *file;
I915_RND_STATE(prng);
@@ -1072,7 +1197,7 @@ static int igt_ctx_readonly(void *arg)
if (err)
goto out_unlock;
- ctx = i915_gem_create_context(i915, file->driver_priv);
+ ctx = live_context(i915, file);
if (IS_ERR(ctx)) {
err = PTR_ERR(ctx);
goto out_unlock;
@@ -1129,6 +1254,7 @@ static int igt_ctx_readonly(void *arg)
ndwords, RUNTIME_INFO(i915)->num_engines);
dw = 0;
+ idx = 0;
list_for_each_entry(obj, &objects, st_link) {
unsigned int rem =
min_t(unsigned int, ndwords - dw, max_dwords(obj));
@@ -1138,7 +1264,7 @@ static int igt_ctx_readonly(void *arg)
if (i915_gem_object_is_readonly(obj))
num_writes = 0;
- err = cpu_check(obj, num_writes);
+ err = cpu_check(obj, idx++, num_writes);
if (err)
break;
@@ -1202,12 +1328,9 @@ static int write_to_scratch(struct i915_gem_context *ctx,
}
*cmd++ = value;
*cmd = MI_BATCH_BUFFER_END;
+ __i915_gem_object_flush_map(obj, 0, 64);
i915_gem_object_unpin_map(obj);
- err = i915_gem_object_set_to_gtt_domain(obj, false);
- if (err)
- goto err;
-
vma = i915_vma_instance(obj, &ctx->ppgtt->vm, NULL);
if (IS_ERR(vma)) {
err = PTR_ERR(vma);
@@ -1299,11 +1422,9 @@ static int read_from_scratch(struct i915_gem_context *ctx,
*cmd++ = result;
}
*cmd = MI_BATCH_BUFFER_END;
- i915_gem_object_unpin_map(obj);
- err = i915_gem_object_set_to_gtt_domain(obj, false);
- if (err)
- goto err;
+ i915_gem_object_flush_map(obj);
+ i915_gem_object_unpin_map(obj);
vma = i915_vma_instance(obj, &ctx->ppgtt->vm, NULL);
if (IS_ERR(vma)) {
@@ -1397,13 +1518,13 @@ static int igt_vm_isolation(void *arg)
if (err)
goto out_unlock;
- ctx_a = i915_gem_create_context(i915, file->driver_priv);
+ ctx_a = live_context(i915, file);
if (IS_ERR(ctx_a)) {
err = PTR_ERR(ctx_a);
goto out_unlock;
}
- ctx_b = i915_gem_create_context(i915, file->driver_priv);
+ ctx_b = live_context(i915, file);
if (IS_ERR(ctx_b)) {
err = PTR_ERR(ctx_b);
goto out_unlock;
@@ -1620,13 +1741,14 @@ static int mock_context_barrier(void *arg)
mutex_lock(&i915->drm.struct_mutex);
ctx = mock_context(i915, "mock");
- if (IS_ERR(ctx)) {
- err = PTR_ERR(ctx);
+ if (!ctx) {
+ err = -ENOMEM;
goto unlock;
}
counter = 0;
- err = context_barrier_task(ctx, 0, mock_barrier_task, &counter);
+ err = context_barrier_task(ctx, 0,
+ NULL, mock_barrier_task, &counter);
if (err) {
pr_err("Failed at line %d, err=%d\n", __LINE__, err);
goto out;
@@ -1638,8 +1760,8 @@ static int mock_context_barrier(void *arg)
}
counter = 0;
- err = context_barrier_task(ctx,
- ALL_ENGINES, mock_barrier_task, &counter);
+ err = context_barrier_task(ctx, ALL_ENGINES,
+ NULL, mock_barrier_task, &counter);
if (err) {
pr_err("Failed at line %d, err=%d\n", __LINE__, err);
goto out;
@@ -1662,8 +1784,8 @@ static int mock_context_barrier(void *arg)
counter = 0;
context_barrier_inject_fault = BIT(RCS0);
- err = context_barrier_task(ctx,
- ALL_ENGINES, mock_barrier_task, &counter);
+ err = context_barrier_task(ctx, ALL_ENGINES,
+ NULL, mock_barrier_task, &counter);
context_barrier_inject_fault = 0;
if (err == -ENXIO)
err = 0;
@@ -1677,8 +1799,8 @@ static int mock_context_barrier(void *arg)
goto out;
counter = 0;
- err = context_barrier_task(ctx,
- ALL_ENGINES, mock_barrier_task, &counter);
+ err = context_barrier_task(ctx, ALL_ENGINES,
+ NULL, mock_barrier_task, &counter);
if (err) {
pr_err("Failed at line %d, err=%d\n", __LINE__, err);
goto out;
@@ -1726,6 +1848,7 @@ int i915_gem_context_live_selftests(struct drm_i915_private *dev_priv)
SUBTEST(igt_ctx_exec),
SUBTEST(igt_ctx_readonly),
SUBTEST(igt_ctx_sseu),
+ SUBTEST(igt_shared_ctx_exec),
SUBTEST(igt_vm_isolation),
};
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-05-09 07:28:52 +0200