[Intel-gfx] [PATCH i-g-t] lib/dummyload: Cleanup access to spin obj array

Mika Kuoppala mika.kuoppala at linux.intel.com
Wed May 22 09:13:46 UTC 2019


Instead of relying a static obj array inside igt_spin_t,
access it with proper indexing.

Cc: Chris Wilson <chris at chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
---
 lib/igt_dummyload.c            | 32 +++++++++++++++-----------------
 lib/igt_dummyload.h            |  1 +
 tests/i915/gem_exec_schedule.c | 25 +++++++++++++++----------
 tests/i915/gem_softpin.c       |  2 +-
 tests/i915/gem_spin_batch.c    |  4 ++--
 tests/i915/i915_hangman.c      |  2 +-
 6 files changed, 35 insertions(+), 31 deletions(-)

diff --git a/lib/igt_dummyload.c b/lib/igt_dummyload.c
index 15d64fad..b2da222e 100644
--- a/lib/igt_dummyload.c
+++ b/lib/igt_dummyload.c
@@ -72,7 +72,6 @@ emit_recursive_batch(igt_spin_t *spin,
 		     int fd, const struct igt_spin_factory *opts)
 {
 #define SCRATCH 0
-#define BATCH 1
 	const int gen = intel_gen(intel_get_drm_devid(fd));
 	struct drm_i915_gem_relocation_entry relocs[2], *r;
 	struct drm_i915_gem_execbuffer2 *execbuf;
@@ -105,14 +104,14 @@ emit_recursive_batch(igt_spin_t *spin,
 	obj = spin->obj;
 	memset(relocs, 0, sizeof(relocs));
 
-	obj[BATCH].handle = gem_create(fd, BATCH_SIZE);
-	batch = __gem_mmap__wc(fd, obj[BATCH].handle,
+	obj[SPIN_OBJ_BATCH].handle = gem_create(fd, BATCH_SIZE);
+	batch = __gem_mmap__wc(fd, obj[SPIN_OBJ_BATCH].handle,
 			       0, BATCH_SIZE, PROT_WRITE);
 	if (!batch)
-		batch = gem_mmap__gtt(fd, obj[BATCH].handle,
+		batch = gem_mmap__gtt(fd, obj[SPIN_OBJ_BATCH].handle,
 				      BATCH_SIZE, PROT_WRITE);
 
-	gem_set_domain(fd, obj[BATCH].handle,
+	gem_set_domain(fd, obj[SPIN_OBJ_BATCH].handle,
 		       I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
 	execbuf->buffer_count++;
 	cs = batch;
@@ -120,7 +119,7 @@ emit_recursive_batch(igt_spin_t *spin,
 	if (opts->dependency) {
 		igt_assert(!(opts->flags & IGT_SPIN_POLL_RUN));
 
-		r = &relocs[obj[BATCH].relocation_count++];
+		r = &relocs[obj[SPIN_OBJ_BATCH].relocation_count++];
 
 		/* dummy write to dependency */
 		obj[SCRATCH].handle = opts->dependency;
@@ -133,7 +132,7 @@ emit_recursive_batch(igt_spin_t *spin,
 
 		execbuf->buffer_count++;
 	} else if (opts->flags & IGT_SPIN_POLL_RUN) {
-		r = &relocs[obj[BATCH].relocation_count++];
+		r = &relocs[obj[SPIN_OBJ_BATCH].relocation_count++];
 
 		igt_assert(!opts->dependency);
 
@@ -182,7 +181,7 @@ emit_recursive_batch(igt_spin_t *spin,
 		execbuf->buffer_count++;
 	}
 
-	spin->handle = obj[BATCH].handle;
+	spin->handle = obj[SPIN_OBJ_BATCH].handle;
 
 	igt_assert_lt(cs - batch, LOOP_START_OFFSET / sizeof(*cs));
 	spin->condition = batch + LOOP_START_OFFSET / sizeof(*cs);
@@ -207,8 +206,8 @@ emit_recursive_batch(igt_spin_t *spin,
 		cs += 1000;
 
 	/* recurse */
-	r = &relocs[obj[BATCH].relocation_count++];
-	r->target_handle = obj[BATCH].handle;
+	r = &relocs[obj[SPIN_OBJ_BATCH].relocation_count++];
+	r->target_handle = obj[SPIN_OBJ_BATCH].handle;
 	r->offset = (cs + 1 - batch) * sizeof(*cs);
 	r->read_domains = I915_GEM_DOMAIN_COMMAND;
 	r->delta = LOOP_START_OFFSET;
@@ -226,7 +225,7 @@ emit_recursive_batch(igt_spin_t *spin,
 		*cs = r->delta;
 		cs++;
 	}
-	obj[BATCH].relocs_ptr = to_user_pointer(relocs);
+	obj[SPIN_OBJ_BATCH].relocs_ptr = to_user_pointer(relocs);
 
 	execbuf->buffers_ptr = to_user_pointer(obj +
 					       (2 - execbuf->buffer_count));
@@ -261,12 +260,11 @@ emit_recursive_batch(igt_spin_t *spin,
 	igt_assert_lt(cs - batch, BATCH_SIZE / sizeof(*cs));
 
 	/* Make it easier for callers to resubmit. */
-
-	obj[BATCH].relocation_count = 0;
-	obj[BATCH].relocs_ptr = 0;
-
-	obj[SCRATCH].flags = EXEC_OBJECT_PINNED;
-	obj[BATCH].flags = EXEC_OBJECT_PINNED;
+	for (i = 0; i < ARRAY_SIZE(spin->obj); i++) {
+		spin->obj[i].relocation_count = 0;
+		spin->obj[i].relocs_ptr = 0;
+		spin->obj[i].flags = EXEC_OBJECT_PINNED;
+	}
 
 	spin->cmd_precondition = *spin->condition;
 
diff --git a/lib/igt_dummyload.h b/lib/igt_dummyload.h
index 61a9f2fc..f7772b90 100644
--- a/lib/igt_dummyload.h
+++ b/lib/igt_dummyload.h
@@ -42,6 +42,7 @@ typedef struct igt_spin {
 
 	int out_fence;
 	struct drm_i915_gem_exec_object2 obj[2];
+#define SPIN_OBJ_BATCH   1
 	struct drm_i915_gem_execbuffer2 execbuf;
 	uint32_t poll_handle;
 	uint32_t *poll;
diff --git a/tests/i915/gem_exec_schedule.c b/tests/i915/gem_exec_schedule.c
index c0438513..93168d10 100644
--- a/tests/i915/gem_exec_schedule.c
+++ b/tests/i915/gem_exec_schedule.c
@@ -234,7 +234,8 @@ static void independent(int fd, unsigned int engine)
 		} else {
 			struct drm_i915_gem_execbuffer2 eb = {
 				.buffer_count = 1,
-				.buffers_ptr = to_user_pointer(&spin->obj[1]),
+				.buffers_ptr =
+				to_user_pointer(&spin->obj[SPIN_OBJ_BATCH]),
 				.flags = other,
 			};
 			gem_execbuf(fd, &eb);
@@ -537,7 +538,8 @@ static void semaphore_resolve(int i915)
 
 		/* Then cancel the spinner */
 		*cs++ = MI_STORE_DWORD_IMM;
-		*cs++ = spin->obj[1].offset + offset_in_page(spin->condition);
+		*cs++ = spin->obj[SPIN_OBJ_BATCH].offset +
+			offset_in_page(spin->condition);
 		*cs++ = 0;
 		*cs++ = MI_BATCH_BUFFER_END;
 
@@ -548,7 +550,7 @@ static void semaphore_resolve(int i915)
 
 		/* First up is our spinning semaphore */
 		memset(obj, 0, sizeof(obj));
-		obj[0] = spin->obj[1];
+		obj[0] = spin->obj[SPIN_OBJ_BATCH];
 		obj[1].handle = semaphore;
 		obj[1].offset = SEMAPHORE_ADDR;
 		obj[1].flags = EXEC_OBJECT_PINNED;
@@ -562,7 +564,7 @@ static void semaphore_resolve(int i915)
 		memset(obj, 0, sizeof(obj));
 		obj[0].handle = handle;
 		obj[0].flags = EXEC_OBJECT_WRITE; /* always after semaphore */
-		obj[1] = spin->obj[1];
+		obj[1] = spin->obj[SPIN_OBJ_BATCH];
 		eb.buffer_count = 2;
 		eb.rsvd1 = 0;
 		gem_execbuf(i915, &eb);
@@ -638,11 +640,13 @@ static void semaphore_noskip(int i915)
 		/* Cancel the following spinner */
 		*cs++ = MI_STORE_DWORD_IMM;
 		if (gen >= 8) {
-			*cs++ = spin->obj[1].offset + offset_in_page(spin->condition);
+			*cs++ = spin->obj[SPIN_OBJ_BATCH].offset +
+				offset_in_page(spin->condition);
 			*cs++ = 0;
 		} else {
 			*cs++ = 0;
-			*cs++ = spin->obj[1].offset + offset_in_page(spin->condition);
+			*cs++ = spin->obj[SPIN_OBJ_BATCH].offset +
+				offset_in_page(spin->condition);
 		}
 		*cs++ = MI_BATCH_BUFFER_END;
 
@@ -651,9 +655,9 @@ static void semaphore_noskip(int i915)
 
 		/* port0: implicit semaphore from engine */
 		memset(obj, 0, sizeof(obj));
-		obj[0] = chain->obj[1];
+		obj[0] = chain->obj[SPIN_OBJ_BATCH];
 		obj[0].flags |= EXEC_OBJECT_WRITE;
-		obj[1] = spin->obj[1];
+		obj[1] = spin->obj[SPIN_OBJ_BATCH];
 		obj[2].handle = handle;
 		memset(&eb, 0, sizeof(eb));
 		eb.buffer_count = 3;
@@ -666,7 +670,7 @@ static void semaphore_noskip(int i915)
 		memset(obj, 0, sizeof(obj));
 		obj[0].handle = handle;
 		obj[0].flags = EXEC_OBJECT_WRITE;
-		obj[1] = spin->obj[1];
+		obj[1] = spin->obj[SPIN_OBJ_BATCH];
 		memset(&eb, 0, sizeof(eb));
 		eb.buffer_count = 2;
 		eb.buffers_ptr = to_user_pointer(obj);
@@ -842,7 +846,8 @@ static igt_spin_t *__noise(int fd, uint32_t ctx, int prio, igt_spin_t *spin)
 		} else {
 			struct drm_i915_gem_execbuffer2 eb = {
 				.buffer_count = 1,
-				.buffers_ptr = to_user_pointer(&spin->obj[1]),
+				.buffers_ptr =
+				to_user_pointer(&spin->obj[SPIN_OBJ_BATCH]),
 				.rsvd1 = ctx,
 				.flags = other,
 			};
diff --git a/tests/i915/gem_softpin.c b/tests/i915/gem_softpin.c
index 336008b8..ecbc9050 100644
--- a/tests/i915/gem_softpin.c
+++ b/tests/i915/gem_softpin.c
@@ -360,7 +360,7 @@ static void test_evict_hang(int fd)
 	execbuf.buffer_count = 1;
 
 	hang = igt_hang_ctx(fd, 0, 0, 0);
-	expected = hang.spin->obj[1].offset;
+	expected = hang.spin->obj[SPIN_OBJ_BATCH].offset;
 
 	/* Replace the hung batch with ourselves, forcing an eviction */
 	object.offset = expected;
diff --git a/tests/i915/gem_spin_batch.c b/tests/i915/gem_spin_batch.c
index a92672b8..c3aa0dfb 100644
--- a/tests/i915/gem_spin_batch.c
+++ b/tests/i915/gem_spin_batch.c
@@ -79,7 +79,7 @@ static void spin_resubmit(int fd, unsigned int engine, unsigned int flags)
 
 	struct drm_i915_gem_execbuffer2 eb = {
 		.buffer_count = 1,
-		.buffers_ptr = to_user_pointer(&spin->obj[1]),
+		.buffers_ptr = to_user_pointer(&spin->obj[SPIN_OBJ_BATCH]),
 		.rsvd1 = ctx1,
 	};
 
@@ -98,7 +98,7 @@ static void spin_resubmit(int fd, unsigned int engine, unsigned int flags)
 
 	igt_spin_end(spin);
 
-	gem_sync(fd, spin->obj[1].handle);
+	gem_sync(fd, spin->handle);
 
 	igt_spin_free(fd, spin);
 
diff --git a/tests/i915/i915_hangman.c b/tests/i915/i915_hangman.c
index 9a1d5889..2e77bbb9 100644
--- a/tests/i915/i915_hangman.c
+++ b/tests/i915/i915_hangman.c
@@ -209,7 +209,7 @@ static void test_error_state_capture(unsigned ring_id,
 	clear_error_state();
 
 	hang = igt_hang_ctx(device, 0, ring_id, HANG_ALLOW_CAPTURE);
-	offset = hang.spin->obj[1].offset;
+	offset = hang.spin->obj[SPIN_OBJ_BATCH].offset;
 
 	batch = gem_mmap__cpu(device, hang.spin->handle, 0, 4096, PROT_READ);
 	gem_set_domain(device, hang.spin->handle, I915_GEM_DOMAIN_CPU, 0);
-- 
2.17.1



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