Op 04-08-17 om 09:50 schreef Mika Kahola:
> On Wed, 2017-08-02 at 12:29 +0200, Maarten Lankhorst wrote:
>> To make sure that we have test exposure when allowing atomic ioctl's
>> to
>> fail interruptibly, we add a test that will fail to lock the
>> mutexes until the fence is signaled.
>>
>> If the locking is done interruptibly, our signal helper will
>> interrupt
>> often, and with the statistics we can ensure that we received
>> enough interrupts to pass.
>>
>> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
>> ---
>> tests/Makefile.sources | 1 +
>> tests/kms_atomic_interruptible.c | 193
>> +++++++++++++++++++++++++++++++++++++++
>> 2 files changed, 194 insertions(+)
>> create mode 100644 tests/kms_atomic_interruptible.c
>>
>> diff --git a/tests/Makefile.sources b/tests/Makefile.sources
>> index 5b98a5a371b8..9a6a846ab78a 100644
>> --- a/tests/Makefile.sources
>> +++ b/tests/Makefile.sources
>> @@ -171,6 +171,7 @@ TESTS_progs = \
>> kms_3d \
>> kms_addfb_basic \
>> kms_atomic \
>> + kms_atomic_interruptible \
>> kms_atomic_transition \
>> kms_busy \
>> kms_ccs \
>> diff --git a/tests/kms_atomic_interruptible.c
>> b/tests/kms_atomic_interruptible.c
>> new file mode 100644
>> index 000000000000..4015988c0e2c
>> --- /dev/null
>> +++ b/tests/kms_atomic_interruptible.c
>> @@ -0,0 +1,193 @@
>> +/*
>> + * Copyright © 2016 Intel Corporation
> Update a year here?
>> + *
>> + * 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 "sw_sync.h"
>> +
>> +enum plane_test_type
>> +{
>> + test_setmode,
>> + test_setplane,
>> + test_pageflip
>> +};
>> +
>> +static int block_plane(igt_display_t *display, igt_output_t *output,
>> enum plane_test_type test_type, igt_plane_t *plane)
>> +{
>> + int timeline = sw_sync_timeline_create();
>> +
>> + igt_fork(child, 1) {
>> + /* Ignore the signal helper, we need to block
>> indefinitely on the fence. */
>> + signal(SIGCONT, SIG_IGN);
>> +
>> + if (test_type == test_setmode) {
>> + igt_output_set_pipe(output, PIPE_NONE);
>> + igt_plane_set_fb(plane, NULL);
>> + }
>> + igt_plane_set_fence_fd(plane,
>> sw_sync_timeline_create_fence(timeline, 1));
>> +
>> + igt_display_commit2(display, COMMIT_ATOMIC);
>> + }
>> +
>> + return timeline;
>> +}
>> +
>> +static void unblock(int block)
>> +{
>> + sw_sync_timeline_inc(block, 1);
>> + close(block);
>> +}
>> +
>> +static void run_plane_test(igt_display_t *display, enum pipe pipe,
>> igt_output_t *output,
>> + enum plane_test_type test_type, unsigned
>> plane_type, enum igt_commit_style style)
>> +{
>> + drmModeModeInfo *mode;
>> + igt_fb_t fb, fb2;
>> + igt_plane_t *primary, *plane;
>> + int block;
>> +
>> + /*
>> + * Make sure we start with everything disabled to force a
>> real modeset.
>> + * igt_display_init only sets sw state, and assumes the
>> first test doesn't care
>> + * about hw state.
>> + */
>> + igt_display_commit2(display, COMMIT_ATOMIC);
>> +
>> + igt_output_set_pipe(output, pipe);
>> +
>> + primary = igt_output_get_plane_type(output,
>> DRM_PLANE_TYPE_PRIMARY);
>> + plane = igt_output_get_plane_type(output, plane_type);
>> + mode = igt_output_get_mode(output);
>> +
>> + igt_create_fb(display->drm_fd, mode->hdisplay, mode-
>>> vdisplay,
>> + DRM_FORMAT_XRGB8888,
>> LOCAL_DRM_FORMAT_MOD_NONE, &fb);
>> +
>> + switch (plane_type) {
>> + case DRM_PLANE_TYPE_PRIMARY:
>> + igt_create_fb(display->drm_fd, mode->hdisplay, mode-
>>> vdisplay,
>> + DRM_FORMAT_XRGB8888,
>> LOCAL_DRM_FORMAT_MOD_NONE, &fb2);
>> + break;
>> + case DRM_PLANE_TYPE_CURSOR:
>> + igt_create_fb(display->drm_fd, 64, 64,
>> + DRM_FORMAT_ARGB8888,
>> LOCAL_DRM_FORMAT_MOD_NONE, &fb2);
>> + break;
>> + }
> We could squeeze this into a one line and get rid of the switch()?
> Anyway this is more matter of a taste and style than functionality.
Was thinking of adding overlay, but that's probably overkill for now.
>> +
>> + if (test_type != test_setmode) {
>> + igt_plane_set_fb(primary, &fb);
>> + igt_display_commit2(display, COMMIT_ATOMIC);
>> + }
>> +
>> + igt_plane_set_fb(plane, &fb2);
>> +
>> + block = block_plane(display, output, test_type, plane);
>> + sleep(1);
>> +
>> + igt_fork(child, 1) {
>> + signal(SIGCONT, SIG_IGN);
>> + igt_assert(sleep(5) == 0);
>> +
>> + unblock(block);
>> + }
>> +
>> + /* run the test */
>> + igt_fork_signal_helper();
>> + if (test_type != test_pageflip)
>> + igt_display_commit2(display, style);
>> + else
>> + do_or_die(drmModePageFlip(display->drm_fd, display-
>>> pipes[pipe].crtc_id, fb.fb_id, 0, NULL));
>> + igt_stop_signal_helper();
>> +
>> + /* Test whether we did interrupt the test? */
>> + igt_assert_lt(2 * igt_signal_helper_get_hz(),
>> igt_signal_helper_get_num());
>> +
>> + igt_waitchildren();
>> +
>> + igt_plane_set_fb(primary, NULL);
>> + igt_output_set_pipe(output, PIPE_NONE);
>> + igt_remove_fb(display->drm_fd, &fb);
>> +}
>> +
>> +igt_main
>> +{
>> + igt_display_t display;
>> + igt_output_t *output;
>> + enum pipe pipe;
>> +
>> + igt_skip_on_simulation();
>> +
>> + igt_fixture {
>> + display.drm_fd = drm_open_driver_master(DRIVER_ANY);
>> +
>> + kmstest_set_vt_graphics_mode();
>> +
>> + igt_display_init(&display, display.drm_fd);
>> +
>> + igt_require(display.is_atomic);
>> +
>> + igt_display_require_output(&display);
>> +
>> + igt_require_sw_sync();
>> + }
>> +
>> + igt_subtest("legacy-setmode")
>> + for_each_pipe_with_valid_output(&display, pipe,
>> output) {
>> + run_plane_test(&display, pipe, output,
>> test_setmode, DRM_PLANE_TYPE_PRIMARY, COMMIT_LEGACY);
>> + break;
>> + }
>> +
>> + igt_subtest("atomic-setmode")
>> + for_each_pipe_with_valid_output(&display, pipe,
>> output) {
>> + run_plane_test(&display, pipe, output,
>> test_setmode, DRM_PLANE_TYPE_PRIMARY, COMMIT_ATOMIC);
>> + break;
>> + }
>> +
>> + igt_subtest("legacy-pageflip")
>> + for_each_pipe_with_valid_output(&display, pipe,
>> output) {
>> + run_plane_test(&display, pipe, output,
>> test_pageflip, DRM_PLANE_TYPE_PRIMARY, COMMIT_LEGACY);
>> + break;
>> + }
>> +
>> + igt_subtest("legacy-cursor")
>> + for_each_pipe_with_valid_output(&display, pipe,
>> output) {
>> + run_plane_test(&display, pipe, output,
>> test_setplane, DRM_PLANE_TYPE_CURSOR, COMMIT_LEGACY);
>> + break;
>> + }
>> +
>> + igt_subtest("universal-setplane-primary")
>> + for_each_pipe_with_valid_output(&display, pipe,
>> output) {
>> + run_plane_test(&display, pipe, output,
>> test_setplane, DRM_PLANE_TYPE_PRIMARY, COMMIT_UNIVERSAL);
>> + break;
>> + }
>> +
>> + igt_subtest("universal-setplane-cursor")
>> + for_each_pipe_with_valid_output(&display, pipe,
>> output) {
>> + run_plane_test(&display, pipe, output,
>> test_setplane, DRM_PLANE_TYPE_CURSOR, COMMIT_UNIVERSAL);
>> + break;
>> + }
>> +
>> + /* TODO: DPMS, gamma_set, setprop, getprop */
>> + igt_fixture {
>> + igt_display_fini(&display);
>> + }
>> +}
> Otherwise looks good to me.
>
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