On Sat, Mar 30, 2019 at 11:54:48PM +0000, Chris Wilson wrote: > Replace the convoluted raising of SIGALRM from the child with an > interruptible sleep in the parent with the equivalent and far more > natural igt_waitchildren_timeout(). > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103182 > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> I guess v2 missing here somewhere? Either way nice cleanup! Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > --- > tests/kms_busy.c | 31 +++++-------------------------- > 1 file changed, 5 insertions(+), 26 deletions(-) > > diff --git a/tests/kms_busy.c b/tests/kms_busy.c > index ed3caae4c..321db8207 100644 > --- a/tests/kms_busy.c > +++ b/tests/kms_busy.c > @@ -29,9 +29,6 @@ > > IGT_TEST_DESCRIPTION("Basic check of KMS ABI with busy framebuffers."); > > -#define FRAME_TIME 16 /* milleseconds */ > -#define TIMEOUT (6*16) > - > static igt_output_t * > set_fb_on_crtc(igt_display_t *dpy, int pipe, struct igt_fb *fb) > { > @@ -70,17 +67,13 @@ static void do_cleanup_display(igt_display_t *dpy) > igt_display_commit2(dpy, dpy->is_atomic ? COMMIT_ATOMIC : COMMIT_LEGACY); > } > > -static void sighandler(int sig) > -{ > -} > - > static void flip_to_fb(igt_display_t *dpy, int pipe, > igt_output_t *output, > struct igt_fb *fb, unsigned ring, > const char *name, bool modeset) > { > struct pollfd pfd = { .fd = dpy->drm_fd, .events = POLLIN }; > - struct timespec tv = { 1, 0 }; > + const int timeout = modeset ? 8500 : 100; > struct drm_event_vblank ev; > > igt_spin_t *t = igt_spin_batch_new(dpy->drm_fd, > @@ -114,24 +107,14 @@ static void flip_to_fb(igt_display_t *dpy, int pipe, > DRM_MODE_ATOMIC_ALLOW_MODESET, NULL); > } > > - kill(getppid(), SIGALRM); > - igt_assert(gem_bo_busy(dpy->drm_fd, fb->gem_handle)); > - igt_assert_f(poll(&pfd, 1, modeset ? 8500 : TIMEOUT) == 0, > + igt_assert_f(poll(&pfd, 1, timeout) == 0, > "flip completed whilst %s was busy [%d]\n", > name, gem_bo_busy(dpy->drm_fd, fb->gem_handle)); > + igt_assert(gem_bo_busy(dpy->drm_fd, fb->gem_handle)); > } > > - igt_assert_f(nanosleep(&tv, NULL) == -1, > - "flip to %s blocked waiting for busy fb", name); > - > - igt_waitchildren(); > - > - if (!modeset) { > - tv.tv_sec = 0; > - tv.tv_nsec = (2 * TIMEOUT) * 1000000ULL; > - nanosleep(&tv, NULL); > - } > - > + igt_waitchildren_timeout(5 * timeout, > + "flip blocked waiting for busy bo\n"); > igt_spin_batch_end(t); > > igt_assert(read(dpy->drm_fd, &ev, sizeof(ev)) == sizeof(ev)); > @@ -160,8 +143,6 @@ static void test_flip(igt_display_t *dpy, unsigned ring, int pipe, bool modeset) > if (modeset) > igt_require(dpy->is_atomic); > > - signal(SIGALRM, sighandler); > - > output = set_fb_on_crtc(dpy, pipe, &fb[0]); > igt_display_commit2(dpy, COMMIT_LEGACY); > > @@ -194,8 +175,6 @@ static void test_flip(igt_display_t *dpy, unsigned ring, int pipe, bool modeset) > do_cleanup_display(dpy); > igt_remove_fb(dpy->drm_fd, &fb[1]); > igt_remove_fb(dpy->drm_fd, &fb[0]); > - > - signal(SIGALRM, SIG_DFL); > } > > static void test_atomic_commit_hang(igt_display_t *dpy, igt_plane_t *primary, > -- > 2.20.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
