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2022-06-22tests/kms_cursor_legacy: Test CleanupBhanuprakash Modem
Clear the system state before exiting the subtest. V2: Fix Crash in *-modeset-vs-cursor-atomic test Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com> Reviewed-by: Swati Sharma <swati2.sharma@intel.com>
2022-06-22tests/kms_cursor_legacy: Convert tests to dynamicBhanuprakash Modem
Convert the existing subtests to dynamic subtests. Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com> Reviewed-by: Swati Sharma <swati2.sharma@intel.com>
2021-12-09tests/kms_cursor_legacy: igt_require_pipe_crc for flip-vs-cursor{-busy}-crcMark Yacoub
[Why] flip_vs_cursor_crc and flip_vs_cursor_busy_crc use CRC in debugfs which is not supported by some drivers. [How] igt_require_pipe_crc in igt_fixture before the subtests start. Test: igt@kms_cursor_legacy@flip-vs-cursor{-busy}-crc-{atomic,legacy} on ChromeOS Jacuzzi (MTK) Signed-off-by: Mark Yacoub <markyacoub@chromium.org> Reviewed-by: Petri Latvala <petri.latvala@intel.com>
2021-11-25tests/kms_cursor_legacy: Disable Intel's PSR2 selective fetch in this testJosé Roberto de Souza
When doing a primary or sprite plane flip, PSR2 selective fetch code also adds all the planes including cursor that overlaps with the area being updated, so this causes legacy cursor API calls to wait for a pending atomic commit to finish causing tests that do checks with vblank counters. So here when running in an Intel platform that has PSR2 selective fetch enabled, it will switch to PSR1 before executing the subtests. Because what this whole test mostly wants to do, is check if userspace can do asynchronous cursors updates. v2: - rename functions and add documentation Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2346 Reviewed-by: Jouni Högander <jouni.hogander@intel.com> Cc: Mika Kahola <mika.kahola@intel.com> Cc: Jouni Hogander <jouni.hogander@intel.com> Cc: Petri Latvala <petri.latvala@intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
2021-11-04tests/kms_cursor_legacy: Fix build warningPetri Latvala
../tests/kms_cursor_legacy.c: In function ‘flip_vs_cursor_busy_crc’: ../tests/kms_cursor_legacy.c:1337:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 1337 | uint64_t ahnd = get_reloc_ahnd(display->drm_fd, 0); | ^~~~~~~~ Signed-off-by: Petri Latvala <petri.latvala@intel.com> Cc: Mark Yacoub <markyacoub@chromium.org> Cc: Ashutosh Dixit <ashutosh.dixit@intel.com> Reviewed-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
2021-11-03tests/kms_cursor_legacy: Use igt_require_intel before get_reloc_ahndMark Yacoub
[Why] get_reloc_ahnd uses the intel allocator, which is not supported on non-intel devices. [How] Call igt_require_intel before any call to get_reloc_ahnd. Test: igt@kms_cursor_legacy@flip-vs-cursor-busy-crc-{atomic,legacy} on ChromeOS Jacuzzi (MTK) Signed-off-by: Mark Yacoub <markyacoub@chromium.org> Reviewed-by: Petri Latvala <petri.latvala@intel.com>
2021-09-20tests/kms_cursor_legacy: Fix CRC mismatch for flip-vs-cursor-busy-crc-*Vidya Srinivas
Few variants of Intel devices are failing randomly with CRC mismatch for flip-vs-cursor-busy-crc-atomic and flip-vs-cursor-busy-crc-legacy. Patch adds stop of CRC collection to fix this issue. Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com> Reviewed-by: Bhanuprakash Modem <Bhanuprakash.modem@intel.com>
2021-09-08tests/kms_cursor_legacy: Handle cursor movements as slow patch for display 9+José Roberto de Souza
i915 is dropping frontbuffer rendering support for display 9+ so this evasion attempts will never happen as DRM_IOCTL_MODE_CURSOR will be converted to atomic commits that will be executed during vblanks. v2: - Not using data filed by fixture to generate subtest list (Petri) Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com> Cc: Petri Latvala <petri.latvala@intel.com> Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
2021-08-10tests/kms_cursor_legacy: Adopt to use allocatorZbigniew Kempczyński
For newer gens we're not able to rely on relocations. Adopt to use offsets acquired from the allocator. v2: Don't query i915 for relocations on AMD devices (Rodrigo) Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com> Cc: Ashutosh Dixit <ashutosh.dixit@intel.com> Cc: Petri Latvala <petri.latvala@intel.com> Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
2021-07-15Remove local copies of I915 macrosLucas De Marchi
Just use the one from the kernel headers. Updated with: git grep -l LOCAL_I915 | \ xargs sed -i -e '/^#define LOCAL_I915/d' -e 's/LOCAL_\(I915[[:alnum:]_]*\)/\1/g' Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
2021-05-18tests/kms_cursor_legacy: Fix mode selection for 2x testsBhanuprakash Modem
This patch will find the connector/mode combination that fits into the bandwidth when more than one monitor is connected. Example: When two monitors connected through MST, the second monitor also tries to use the same mode. So two such modes may not fit into the link bandwidth. So, iterate through connected outputs & modes and find a combination of modes those fit into the link BW. V2: * Remove MST specific logic (Daniel) V3: * Add support for legacy commit (Ankit) V4: * Fix commit message (Ankit) Cc: Imre Deak <imre.deak@intel.com> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com> Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
2021-03-10tests/kms_cursor_legacy: added test descriptionNidhi Gupta
Added test_describe for all the subtests. Signed-off-by: Nidhi Gupta <nidhi1.gupta@intel.com> Reviewed-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
2021-01-01kms_cursor_legacy: Remove unused function 'pipe_select'Chris Wilson
../tests/kms_cursor_legacy.c:473:24: warning: unused function 'pipe_select' [-Wunused-function] static inline uint32_t pipe_select(enum pipe pipe) Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
2020-08-12tests/kms_cursor_legacy: Remove duplicate codeBhanuprakash Modem
As kmstest_get_vblank() API is already available in lib, remove the local/duplicate functions and use kmstest_get_vblank(). Cc: Swati Sharma <swati2.sharma@intel.com> Cc: Karthik B S <karthik.b.s@intel.com> Cc: Petri Latvala <petri.latvala@intel.com> Cc: Arkadiusz Hiler <arek@hiler.eu> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com> Reviewed-by: Karthik B S <karthik.b.s@intel.com>
2020-07-21tests/kms_cursor_legacy: Read crtc id for enable pipesMohammed Khajapasha
Read the crtc ids for enable pipes only in display. Signed-off-by: Mohammed Khajapasha <mohammed.khajapasha@intel.com> Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
2020-06-09kms_cursor_legacy: Keep primary plane enabled for XRGB overlay fallbackMichel Dänzer
This allows the test to work on setups where the primary plane cannot be disabled while the CRTC is enabled. It should make no difference for the output. Signed-off-by: Michel Dänzer <mdaenzer@redhat.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
2020-05-07lib/i915: Split igt_require_gem() into i915/Chris Wilson
igt_require_gem() is a pecularity of i915/, move it out of the core. Similar opportunistic move of gem_reopen_driver() and gem_quiescent_gpu(). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2020-04-20tests/kms_cursor_legacy: Wait for an extra vblankMika Kahola
kms_cursor_legacy IGT subtest 2x-nonblocking-modeset-vs-cursor-atomic is failing due to busyness while trying to do atomic commit. In case, we are busy, let's just wait one extra vblank before continuing the test. References: https://gitlab.freedesktop.org/drm/intel/issues/1062 v2: Wait out for max 5 seconds for commit busyness (Juha-Pekka) v3: Move igt_set_timeout() outside of the loop, remove wait for vblank (Juha-Pekka) Move routine that waits for -ebusy into a separate function Signed-off-by: Mika Kahola <mika.kahola@intel.com> Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
2020-03-09tests/kms_cursor_legacy: increase timeout for nonblocking flip waitJuha-Pekka Heikkila
When run on more than one monitor there may be modeset in queue which will block flip. Kernel will timeout with modeset at ten seconds so lets wait in test also that same ten seconds at maximum. V2 Ville Syrjälä: lets just wait for five seconds Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com>
2019-04-30tests/kms_cursor_legacy: Don't stop cursor_vs_flip earlyArkadiusz Hiler
The test is doing multiple iterations (50). Each iteration tries to squeeze target number of cursor updates in half a second worth of flips. If we don't hit the target in any given iteration we bail out early. Because of that we don't have the data on the number of iterations that have failed and/or succeeded any given run, which makes hunting down this elusive issue hard. Let's change that so we always go through all the iterations and fail at the end printing out the number of iterations we haven't met the target. Each failed iteration also logs how many cursor updates it has managed to do. Since our target is generated run-time and is also load sensitive, let's bump the log level of message containing our target to "info" so we can compare those values across both passes and failures. Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Cc: Martin Peres <martin.peres@linux.intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com> Reviewed-by: Martin Peres <martin.peres@linux.intel.com>
2019-04-18lib/igt_dummyload: Get rid of 'batch' on spinner accessorsMika Kuoppala
There is no guarantee that spinners are and will be implemented using batches. As we have igt_spin_t, manipulate it through igt_spin_* functions consistently and hide the batch nature. Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
2019-03-22tests/kms_cursor_legacy: Fix assertion failure due to vblank mismatchNischala Yelchuri
For the !modeset case, after a pageflip is performed on both crtc's, vblank counter is advanced by 1 when compared to its original value. For the modeset case, when pageflips and modesets are interleaved, vblank counter does not always advance by 1 as nonblocking modeset could fail, in which case we do not need vblank_matches. v2: Remove the assert statement instead of changing the condition Cc: Maarten Lankhorst <maarten.lankhorst@intel.com> Signed-off-by: Nischala Yelchuri <nischala.yelchuri@intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105454 Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2019-03-02tests/kms_cursor_legacy: Add missing munmapNischala Yelchuri
Added munmap and replaced hard-coded values with PAGE_SIZE macro. Cc: Easwar Hariharan <easwar.hariharan@intel.com> Cc: Ashutosh Dixit <ashutosh.dixit@intel.com> Signed-off-by: Nischala Yelchuri <nischala.yelchuri@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
2018-10-01igt: Require a display (KMS enabled) for KMS testsChris Wilson
Simple rule of thumb, if a kms_* test calls igt_display_init() in its global fixture, skip the entire test if the driver has disabled KMS. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Antonio Argenziano <antonio.argenziano@intel.com>
2018-08-14tests: Replace calls to igt_pipe_crc_drain + get_single with ↵Maarten Lankhorst
igt_pipe_crc_get_current() This is a more race free of accomplishing the same. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2018-07-06lib: Convert spin batch constructor to a factoryChris Wilson
In order to make adding more options easier, expose the full set of options to the caller. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Petri Latvala <petri.latvala@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
2018-02-12lib/igt_debugfs: Add igt_pipe_crc_get_single and igt_pipe_crc_drain, v4.Maarten Lankhorst
Collecting CRC may result in a modeset and extra vblank waits. On some tests this will increase the runtime a lot, so it makes sense to keep it enabled, and only collect the most recent CRC when needed. Changes since v1: - Fix read_crc semantics. (Ville) Changes since v2: - Remove EAGAIN assert, can be reached from drain_crc. Changes since v3: - Do not infinitely loop in igt_pipe_crc_drain(). Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> #v2 Tested-by: Vidya Srinivas <vidya.srinivas@intel.com>
2018-01-02tests/kms_cursor_legacy: Rework the 2x-*-vs-cursor-* tests.Maarten Lankhorst
Using the fancy new DRM_CAP_CRTC_IN_VBLANK_EVENT cap I can finally make this test the work I originally intended to. For the !modeset case that means performing a pageflip on both crtc's, then requeueing as soon as the event is delivered and then check the vblank counter against the original value, it should be advanced by 1. The modeset case is slightly more complicated, ideally it's handled the same, but if we can't perform a modeset and pageflip at the same time, fall back to queueing both in a single commit, in which case we can say nothing about the vblank counter. There is a small race between flip_done and hw_done, so make flip_nonblocking retry for a second when encountering -EBUSY. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101634 Reviewed-by: Mika Kahola <mika.kahola@intel.com>
2018-01-02tests/kms_cursor_legacy: Perform lazy cleanup between testsMaarten Lankhorst
Instead of assuming each subtest cleans up after itself, assume it fails and doesn't. Now that igt_kms can clean up stale events, we can just force each subtest to only clean up its framebuffers, which isn't harmful if it failed. The nonblocking modeset test is removed, this was a workaround only needed for intel because it supported nonblocking commit only for the !modeset case, this has been fixed. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com>
2017-10-18tests: Clean up igt_skip_on_simulation() usesArkadiusz Hiler
General update to reflect current state of things. Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com> Acked-by: Radoslaw Szwichtenberg <radoslaw.szwichtenberg@intel.com> Acked-by: Petri Latvala <petri.latvala@intel.com>
2017-10-03lib/igt_kms: Change output->pending_crtc_idx_mask to output->pending_pipeMaarten Lankhorst
igt_output_set_pipe with PIPE_ANY used to mean that we bind the output to any pipe, but this is now a deprecated alias for PIPE_NONE, and means the output will be unbound. Because of this it's better to change output->pending_crtc_idx_mask to an enum pipe, because only a single choice may be given for a pipe. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com>
2017-10-02tests: Stop looking at plane private membersMaarten Lankhorst
Most of these tests have no reason to look at those members, so try other ways of getting the information. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com>
2017-09-22igt/kms_cursor_legacy: Use common spinbatchChris Wilson
Remove the local recursive spinner in favour of igt_spin_t. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
2017-09-20tests/kms_cursor_legacy: Do not start collecting CRC after making FB busyMaarten Lankhorst
Collecting CRC may force a modeset, which is a bad idea after we just forced a hang. The hang is intended to make sure the page flip doesn't complete before the cursor, making sure that works. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102259 Cc: Marta Lofstedt <marta.lofstedt@intel.com> Tested-by: Marta Lofstedt <marta.lofstedt@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> [mlankhorst: Prevent overflow when collecting crcs, based on Villes feedback]
2017-09-08build: remove _GNU_SOURCE from source filesDaniel Vetter
We are, the build system takes care of that. Reviewed-by: Eric Anholt <eric@anholt.net> Acked-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com> Acked-by: Petri Latvala <petri.latvala@intel.com> Acked-by: Daniel Stone <daniels@collabora.com> Acked-by: Radoslaw Szwichtenberg <radoslaw.szwichtenberg@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2017-08-14lib/kms: Add for_each_pipe_staticDaniel Vetter
for_each_pipe cannot be used for enumerating testcases, so provide something that can. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Petri Latvala <petri.latvala@intel.com>
2017-08-07tests/kms_cursor_legacy: use 'enum pipe' type instead of 'int'Gustavo Padovan
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com> Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
2017-06-16tests: Rename I915_MAX_PIPES to IGT_MAX_PIPESLeo (Sunpeng) Li
Name should not be driver-specific. Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com> Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
2017-06-09Revert "kms_cursor_legacy: Add a burner thread to make basic-busy-* pass."Chris Wilson
This reverts commit 7c8703fb02b248c2bcf9756bba8812bcfe7ed5d3. If we expect it to fail until we find a solution, let the hw fail and continue to track the known failure in CI/bugs. Cc: Martin Peres <martin.peres@linux.intel.com> Acked-by: Martin Peres <martin.peres@linux.intel.com>
2017-06-07kms_cursor_legacy: Add a burner thread to make basic-busy-* pass.Maarten Lankhorst
This appears to be required on SNB, or else we miss a lot of interrupts. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2017-05-09tests/kms_cursor_legacy: Fix failing tests harderMaarten Lankhorst
Also allow the initial vblank evasion to fail. This was the most likely cause of the test failure, so be sure to fix it too. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2017-05-09tests/kms_cursor_legacy: Increase tolerance for failing ↵Maarten Lankhorst
flip-before/after-cursor. Run the test 25 times and fail if we miss too many vblanks. CI receives too many false positives so we have to fix it. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2017-04-27igt/kms_cursor_legacy: Mark up busy tests as requiring a GPUChris Wilson
If we can't use the GPU to make a framebuffer busy, skip the test. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2017-03-21Restore "lib: Open debugfs files for the given DRM device"Chris Wilson
This reverts commit 25fbae15262cf570e207e62f50e7c5233e06bc67, restoring commit 301ad44cdf1b868b1ab89096721da91fa8541fdc Author: Tomeu Vizoso <tomeu.vizoso@collabora.com> Date: Thu Mar 2 10:37:11 2017 +0100 lib: Open debugfs files for the given DRM device with fixes. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2017-03-21Revert "lib: Open debugfs files for the given DRM device"Tomeu Vizoso
This reverts commit 301ad44cdf1b868b1ab89096721da91fa8541fdc. When a render-only device is opened and gem_quiescent_gpu is called, we need to use the debugfs dir for the master device instead. Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
2017-03-21lib: Open debugfs files for the given DRM deviceTomeu Vizoso
When opening a DRM debugfs file, locate the right path based on the given DRM device FD. This is needed so, in setups with more than one DRM device, any operations on debugfs files affect the expected DRM device. v2: - rebased and fixed new API additions v3: - updated chamelium test, which was missed previously - use the minor of the device for the debugfs path, not the major - have a proper exit handler for calling igt_hpd_storm_reset with the right device fd. Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Reviewed-by: Robert Foss <robert.foss@collabora.com> Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
2017-03-15tests/kms_cursor_legacy: make_busy() before get_vblank()Ville Syrjälä
VLV is a sloth and so doing anything extra between the first and last get_vblank() is likely to increase the chance of failing the test. Let's move the make_busy() stuff to happen before the first get_vblank() to reduce the amount of work done there. These tests are still failing quite often on my VLV, but that is mostly caused by igt_kms's tendency to still re-read all the connector properties and whatnot as part of the commit operation. I suspect that fixing that would eliminate most of the spurious failures. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
2017-01-31tests/kms_cursor_legacy: Add support for dynamic number of planesRobert Foss
Add changes reflecting the new support for dynamic number of planes per pipe. Signed-off-by: Robert Foss <robert.foss@collabora.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com>
2017-01-23kms_cursor_legacy: Allow for an extra vblank wait in atomic-transitions testsMaarten Lankhorst
This is required for ILK style watermark programming, which currently inserts an extra vblank wait. This allows the tests to pass on those platforms. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2017-01-18kms_cursor_legacy: Use cursor movement instead of hiding for 2x testsMaarten Lankhorst
This forces the cursor fastpath to be used. While at it, add -atomic versions of the test to compare legacy pageflip vs atomic. The nonblocking modeset test is changed slightly, due to cdclk changes the page flip may be stalled so it's not useful to test it. Just test that a queued page flip + nonblocking modeset works as intended and there is no kernel spew. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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