Signed-off-by: Gustavo Padovan <gustavo.pado...@collabora.co.uk>
Signed-off-by: Robert Foss <robert.f...@collabora.com>
---
 lib/igt_kms.c                 |  35 ++++++----
 tests/kms_atomic_transition.c | 148 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 169 insertions(+), 14 deletions(-)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index f14496dd..523f3f57 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -53,6 +53,7 @@
 #include "intel_chipset.h"
 #include "igt_debugfs.h"
 #include "igt_sysfs.h"
+#include "sw_sync.h"
 
 /**
  * SECTION:igt_kms
@@ -2479,6 +2480,21 @@ 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) {
+
+               for_each_pipe(display, pipe) {
+                       igt_pipe_t *pipe_obj = &display->pipes[pipe];
+
+                       if (pipe_obj->out_fence != -1)
+                               continue;
+
+                       igt_assert(pipe_obj->out_fence >= 0);
+                       ret = sync_fence_wait(pipe_obj->out_fence, 1000);
+                       igt_assert(ret == 0);
+                       close(pipe_obj->out_fence);
+               }
+       }
+
        drmModeAtomicFree(req);
        return ret;
 
@@ -2972,6 +2988,11 @@ void igt_plane_set_rotation(igt_plane_t *plane, 
igt_rotation_t rotation)
        plane->rotation_changed = true;
 }
 
+void igt_pipe_request_out_fence(igt_pipe_t *pipe)
+{
+       pipe->out_fence_requested = true;
+}
+
 void
 igt_pipe_set_degamma_lut(igt_pipe_t *pipe, void *ptr, size_t length)
 {
@@ -2994,20 +3015,6 @@ igt_pipe_set_gamma_lut(igt_pipe_t *pipe, void *ptr, 
size_t length)
 }
 
 /**
- * igt_pipe_set_out_fence_ptr:
- * @pipe: pipe pointer to which background color to be set
- * @fence_ptr: out fence pointer
- *
- * Sets the out fence pointer that will be passed to the kernel in
- * the atomic ioctl. When the kernel returns the out fence pointer
- * will contain the fd number of the out fence created by KMS.
- */
-void igt_pipe_set_out_fence_ptr(igt_pipe_t *pipe, int64_t *fence_ptr)
-{
-       pipe->out_fence_ptr = fence_ptr;
-}
-
-/**
  * igt_crtc_set_background:
  * @pipe: pipe pointer to which background color to be set
  * @background: background color value in BGR 16bpc
diff --git a/tests/kms_atomic_transition.c b/tests/kms_atomic_transition.c
index 72429759..eebb5d66 100644
--- a/tests/kms_atomic_transition.c
+++ b/tests/kms_atomic_transition.c
@@ -253,6 +253,93 @@ retry:
                 sprite_width, sprite_height, alpha);
 }
 
+int *timeline;
+pthread_t *thread;
+int *seqno;
+
+static void prepare_fencing(igt_display_t *display, enum pipe pipe)
+{
+       igt_plane_t *plane;
+       int n_planes;
+
+       igt_require_sw_sync();
+
+       n_planes = display->pipes[pipe].n_planes;
+        timeline = calloc(sizeof(*timeline), n_planes);
+        igt_assert_f(timeline != NULL, "Failed to allocate memory for 
timelines\n");
+        thread = calloc(sizeof(*thread), n_planes);
+        igt_assert_f(thread != NULL, "Failed to allocate memory for thread\n");
+        seqno = calloc(sizeof(*seqno), n_planes);
+        igt_assert_f(seqno != NULL, "Failed to allocate memory for seqno\n");
+
+       for_each_plane_on_pipe(display, pipe, plane)
+               timeline[plane->index] = sw_sync_timeline_create();
+}
+
+static void unprepare_fencing(igt_display_t *display, enum pipe pipe)
+{
+       igt_plane_t *plane;
+
+       for_each_plane_on_pipe(display, pipe, plane)
+               close(timeline[plane->index]);
+
+       free(timeline);
+       free(thread);
+       free(seqno);
+}
+
+static void *fence_inc_thread(void *arg)
+{
+       int t = *((int *) arg);
+
+       pthread_detach(pthread_self());
+
+       usleep(5000);
+       sw_sync_timeline_inc(t, 1);
+       return NULL;
+}
+
+static void configure_fencing(igt_display_t *display, enum pipe pipe)
+{
+       igt_plane_t *plane;
+       int i, fd, ret;
+
+       for_each_plane_on_pipe(display, pipe, plane) {
+
+               if (!plane->fb)
+                       continue;
+
+               i = plane->index;
+
+               seqno[i]++;
+               fd = sw_sync_timeline_create_fence(timeline[i], seqno[i]);
+               igt_plane_set_fence_fd(plane, fd);
+               ret = pthread_create(&thread[i], NULL, fence_inc_thread, 
&timeline[i]);
+               igt_assert_eq(ret, 0);
+       }
+}
+
+static void clear_fencing(igt_display_t *display, enum pipe pipe)
+{
+       igt_plane_t *plane;
+
+       for_each_plane_on_pipe(display, pipe, plane)
+               igt_plane_set_fence_fd(plane, -1);
+}
+
+static void atomic_commit(igt_display_t *display, enum pipe pipe, unsigned int 
flags, void *data, bool fencing)
+{
+       if (fencing) {
+               configure_fencing(display, pipe);
+               igt_pipe_request_out_fence(&display->pipes[pipe]);
+       }
+
+       igt_display_commit_atomic(display, flags, data);
+
+       if (fencing)
+               clear_fencing(display, pipe);
+}
+
 /*
  * 1. Set primary plane to a known fb.
  * 2. Make sure getcrtc returns the correct fb id.
@@ -273,6 +360,7 @@ run_transition_test(igt_display_t *display, enum pipe pipe, 
igt_output_t *output
        struct plane_parms parms[display->pipes[pipe].n_planes];
        bool skip_test = false;
        unsigned flags = DRM_MODE_PAGE_FLIP_EVENT;
+       int ret;
 
        if (nonblocking)
                flags |= DRM_MODE_ATOMIC_NONBLOCK;
@@ -307,11 +395,50 @@ run_transition_test(igt_display_t *display, enum pipe 
pipe, igt_output_t *output
 
        setup_parms(display, pipe, mode, &argb_fb, &sprite_fb, parms);
 
+       /*
+        * In some configurations the tests may not run to completion with all
+        * sprite planes lit up at 4k resolution, try decreasing width/size of 
secondary
+        * planes to fix this
+        */
+       while (1) {
+               wm_setup_plane(display, pipe, iter_max - 1, parms);
+
+               if (fencing)
+                       igt_pipe_set_out_fence_ptr(&display->pipes[pipe],
+                           (int64_t *) &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)
+                       break;
+
+               ret = 0;
+               for_each_plane_on_pipe(display, pipe, plane) {
+                       i = plane->index;
+
+                       if (plane->is_primary || plane->is_cursor)
+                               continue;
+
+                       if (parms[i].width <= 512)
+                               continue;
+
+                       parms[i].width /= 2;
+                       ret = 1;
+                       igt_info("Reducing sprite %i to %ux%u\n", i - 1, 
parms[i].width, parms[i].height);
+                       break;
+               }
+
+               if (!ret)
+                       igt_skip("Cannot run tests without proper size sprite 
planes\n");
+       }
+
        for (i = 0; i < iter_max; i++) {
                igt_output_set_pipe(output, pipe);
 
                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);
 
@@ -320,6 +447,9 @@ 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_request_out_fence(&display->pipes[pipe]);
+
                        igt_display_commit_atomic(display, flags, (void *)0UL);
 
                        drmHandleEvent(display->drm_fd, &drm_events);
@@ -333,6 +463,9 @@ 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);
 
@@ -340,6 +473,9 @@ 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);
                        }
@@ -676,14 +812,26 @@ 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);
-- 
2.11.0.453.g787f75f05

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