[PATCH 10/12] tests/kms_atomic_transition: add out_fences tests

[Gustavo Padovan <gustavo@xxxxxxxxxxx>]

From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>

Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
---
 lib/igt_kms.c                 | 22 ++++++++++++++++++++++
 tests/kms_atomic_transition.c | 30 ++++++++++++++++++++++++++++--
 2 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index f25e1eb..9271ab4 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -49,6 +49,7 @@
 #include "intel_chipset.h"
 #include "igt_debugfs.h"
 #include "igt_sysfs.h"
+#include "sw_sync.h"
 
 /**
  * SECTION:igt_kms
@@ -2183,6 +2184,27 @@ static int igt_atomic_commit(igt_display_t *display, uint32_t flags, void *user_
 	}
 
 	ret = drmModeAtomicCommit(display->drm_fd, req, flags, user_data);
+	if (!ret) {
+		uint64_t *fence_ptr;
+
+		for_each_pipe(display, pipe) {
+			igt_pipe_t *pipe_obj = &display->pipes[pipe];
+
+			fence_ptr = (uint64_t *)pipe_obj->out_fence_ptr;
+			if (!fence_ptr)
+				continue;
+
+			if (flags & DRM_MODE_ATOMIC_TEST_ONLY) {
+				igt_assert(*fence_ptr == -1);
+			} else {
+				igt_assert(*fence_ptr >= 0);
+				ret = sw_sync_wait(*fence_ptr, 1000);
+				igt_assert(ret == 0);
+				close(*fence_ptr);
+			}
+		}
+	}
+
 	drmModeAtomicFree(req);
 	return ret;
 
diff --git a/tests/kms_atomic_transition.c b/tests/kms_atomic_transition.c
index 8bef85d..507f526 100644
--- a/tests/kms_atomic_transition.c
+++ b/tests/kms_atomic_transition.c
@@ -132,6 +132,7 @@ run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output
 	struct plane_parms parms[IGT_MAX_PLANES];
 	bool skip_test = false;
 	unsigned flags = DRM_MODE_PAGE_FLIP_EVENT;
+	int out_fence, ret;
 
 	if (nonblocking)
 		flags |= DRM_MODE_ATOMIC_NONBLOCK;
@@ -198,9 +199,10 @@ run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output
 	 * planes to fix this
 	 */
 	while (1) {
-		int ret;
-
 		wm_setup_plane(display, pipe, iter_max - 1, parms);
+
+		if (fencing)
+			igt_pipe_set_out_fence_ptr(&display->pipes[pipe], &out_fence);
 		ret = igt_display_try_commit_atomic(display, DRM_MODE_ATOMIC_TEST_ONLY | DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
 
 		if (ret != -EINVAL || n_planes < 3)
@@ -231,6 +233,9 @@ run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output
 
 		wm_setup_plane(display, pipe, i, parms);
 
+		if (fencing)
+			igt_pipe_set_out_fence_ptr(&display->pipes[pipe], &out_fence);
+
 		igt_display_commit_atomic(display, flags, (void *)(unsigned long)i);
 		drmHandleEvent(display->drm_fd, &drm_events);
 
@@ -239,6 +244,9 @@ run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output
 
 			wm_setup_plane(display, pipe, 0, parms);
 
+			if (fencing)
+				igt_pipe_set_out_fence_ptr(&display->pipes[pipe], &out_fence);
+
 			igt_display_commit_atomic(display, flags, (void *)0UL);
 
 			drmHandleEvent(display->drm_fd, &drm_events);
@@ -252,6 +260,9 @@ run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output
 				if (type == TRANSITION_MODESET)
 					igt_output_override_mode(output, &override_mode);
 
+				if (fencing)
+					igt_pipe_set_out_fence_ptr(&display->pipes[pipe], &out_fence);
+
 				igt_display_commit_atomic(display, flags, (void *)(unsigned long)j);
 				drmHandleEvent(display->drm_fd, &drm_events);
 
@@ -259,6 +270,9 @@ run_transition_test(igt_display_t *display, enum pipe pipe, igt_output_t *output
 				if (type == TRANSITION_MODESET)
 					igt_output_override_mode(output, NULL);
 
+				if (fencing)
+					igt_pipe_set_out_fence_ptr(&display->pipes[pipe], &out_fence);
+
 				igt_display_commit_atomic(display, flags, (void *)(unsigned long)i);
 				drmHandleEvent(display->drm_fd, &drm_events);
 			}
@@ -594,14 +608,26 @@ igt_main
 		for_each_pipe_with_valid_output(&display, pipe, output)
 			run_transition_test(&display, pipe, output, TRANSITION_PLANES, false, false);
 
+	igt_subtest("plane-all-transition-fencing")
+		for_each_pipe_with_valid_output(&display, pipe, output)
+			run_transition_test(&display, pipe, output, TRANSITION_PLANES, false, true);
+
 	igt_subtest("plane-all-transition-nonblocking")
 		for_each_pipe_with_valid_output(&display, pipe, output)
 			run_transition_test(&display, pipe, output, TRANSITION_PLANES, true, false);
 
+	igt_subtest("plane-all-transition-nonblocking-fencing")
+		for_each_pipe_with_valid_output(&display, pipe, output)
+			run_transition_test(&display, pipe, output, TRANSITION_PLANES, true, true);
+
 	igt_subtest("plane-all-modeset-transition")
 		for_each_pipe_with_valid_output(&display, pipe, output)
 			run_transition_test(&display, pipe, output, TRANSITION_MODESET, false, false);
 
+	igt_subtest("plane-all-modeset-transition-fencing")
+		for_each_pipe_with_valid_output(&display, pipe, output)
+			run_transition_test(&display, pipe, output, TRANSITION_MODESET, false, true);
+
 	igt_subtest("plane-toggle-modeset-transition")
 		for_each_pipe_with_valid_output(&display, pipe, output)
 			run_transition_test(&display, pipe, output, TRANSITION_MODESET_DISABLE, false, false);
-- 
2.5.5

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