This allows us to test that RMFB works as intended by the original abi.
We create a framebuffer and try to remove the framebuffer from a crtc
using fd closing or rmfb ioctl.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index b73f48d95568..c223c363e3e8 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -97,6 +97,7 @@ TESTS_progs_M = \
kms_plane \
kms_psr_sink_crc \
kms_render \
+ kms_rmfb \
kms_rotation_crc \
kms_setmode \
kms_universal_plane \
diff --git a/tests/kms_rmfb.c b/tests/kms_rmfb.c
new file mode 100644
index 000000000000..a3fde9f43788
--- /dev/null
+++ b/tests/kms_rmfb.c
@@ -0,0 +1,180 @@
+/*
+ * Copyright © 2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "igt.h"
+#include "drmtest.h"
+#include <errno.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+#ifndef DRM_CAP_CURSOR_WIDTH
+#define DRM_CAP_CURSOR_WIDTH 0x8
+#endif
+#ifndef DRM_CAP_CURSOR_HEIGHT
+#define DRM_CAP_CURSOR_HEIGHT 0x9
+#endif
+
+struct rmfb_data {
+ int drm_fd;
+ igt_display_t display;
+};
+
+/*
+ * 1. Set primary plane to a known fb.
+ * 2. Make sure getcrtc returns the correct fb id.
+ * 3. Call rmfb on the fb.
+ * 4. Make sure getcrtc returns 0 fb id.
+ *
+ * RMFB is supposed to free the framebuffers from any and all planes,
+ * so test this and make sure it works.
+ */
+static bool
+test_rmfb(struct rmfb_data *data, igt_output_t *output, enum pipe pipe, bool reopen)
+{
+ struct igt_fb fb, argb_fb;
+ drmModeModeInfo *mode;
+ igt_plane_t *plane;
+ drmModeCrtc *crtc;
+ uint64_t cursor_width, cursor_height;
+
+ igt_output_set_pipe(output, pipe);
+ igt_display_commit(&data->display);
+
+ if (!output->valid) {
+ igt_output_set_pipe(output, PIPE_ANY);
+ return false;
+ }
+
+ mode = igt_output_get_mode(output);
+
+ igt_create_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
+ DRM_FORMAT_XRGB8888, LOCAL_DRM_FORMAT_MOD_NONE, &fb);
+
+ igt_create_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
+ DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE, &argb_fb);
+
+ do_or_die(drmGetCap(data->drm_fd, DRM_CAP_CURSOR_WIDTH, &cursor_width));
+ if (cursor_width > mode->hdisplay)
+ cursor_width = mode->hdisplay;
+
+ do_or_die(drmGetCap(data->drm_fd, DRM_CAP_CURSOR_HEIGHT, &cursor_height));
+ if (cursor_height > mode->vdisplay)
+ cursor_height = mode->vdisplay;
+
+ /*
+ * Make sure these buffers are suited for display use
+ * because most of the modeset operations must be fast
+ * later on.
+ */
+ for_each_plane_on_pipe(&data->display, pipe, plane) {
+ if (plane->is_cursor) {
+ igt_plane_set_fb(plane, &argb_fb);
+ igt_fb_set_size(&argb_fb, plane, cursor_width, cursor_height);
+ igt_plane_set_size(plane, cursor_width, cursor_height);
+ } else {
+ igt_plane_set_fb(plane, &fb);
+ }
+ }
+
+ igt_display_commit2(&data->display, data->display.is_atomic ? COMMIT_ATOMIC : COMMIT_UNIVERSAL);
+
+ crtc = drmModeGetCrtc(data->drm_fd, output->config.crtc->crtc_id);
+
+ igt_assert_eq(crtc->buffer_id, fb.fb_id);
+
+ drmModeFreeCrtc(crtc);
+
+ if (reopen) {
+ close(data->drm_fd);
+
+ data->drm_fd = drm_open_driver_master(DRIVER_ANY);
+ drmSetClientCap(data->drm_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
+ drmSetClientCap(data->drm_fd, DRM_CLIENT_CAP_ATOMIC, 1);
+ } else {
+ igt_remove_fb(data->drm_fd, &fb);
+ igt_remove_fb(data->drm_fd, &argb_fb);
+ }
+
+ crtc = drmModeGetCrtc(data->drm_fd, output->config.crtc->crtc_id);
+
+ igt_assert_eq(crtc->buffer_id, 0);
+
+ drmModeFreeCrtc(crtc);
+
+ for_each_plane_on_pipe(&data->display, pipe, plane) {
+ drmModePlanePtr planeres = drmModeGetPlane(data->drm_fd, plane->drm_plane->plane_id);
+
+ igt_assert_eq(planeres->fb_id, 0);
+
+ drmModeFreePlane(planeres);
+ }
+
+ igt_output_set_pipe(output, PIPE_ANY);
+ igt_display_commit2(&data->display, data->display.is_atomic ? COMMIT_ATOMIC : COMMIT_UNIVERSAL);
+
+ return true;
+}
+
+static void
+run_rmfb_test(struct rmfb_data *data, bool reopen)
+{
+ igt_output_t *output;
+ int valid_tests = 0;
+ enum pipe pipe;
+
+ for_each_connected_output(&data->display, output) {
+ for_each_pipe(&data->display, pipe) {
+ if (test_rmfb(data, output, pipe, reopen))
+ valid_tests++;
+ }
+ }
+
+ igt_require_f(valid_tests, "no valid crtc/connector combinations found\n");
+}
+
+igt_main
+{
+ struct rmfb_data data = {};
+
+ igt_skip_on_simulation();
+
+ igt_fixture {
+ data.drm_fd = drm_open_driver_master(DRIVER_ANY);
+
+ kmstest_set_vt_graphics_mode();
+
+ igt_display_init(&data.display, data.drm_fd);
+ }
+
+ igt_subtest_f("rmfb-ioctl")
+ run_rmfb_test(&data, false);
+
+ igt_subtest_f("close-fd")
+ run_rmfb_test(&data, true);
+
+ igt_fixture {
+ igt_display_fini(&data.display);
+ }
+}
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