[Intel-gfx] [PATCH i-g-t v2 10/12] tests/kms_atomic_transition: add out_fences tests
Robert Foss
robert.foss at collabora.com
Fri Dec 16 08:59:00 UTC 2016
On 2016-12-14 11:57 AM, Brian Starkey wrote:
> On Wed, Dec 14, 2016 at 04:05:07AM -0500, Robert Foss wrote:
>> From: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
>>
>> Signed-off-by: Gustavo Padovan <gustavo.padovan at collabora.co.uk>
>> Signed-off-by: Robert Foss <robert.foss at collabora.com>
>> ---
>> lib/igt_kms.c | 22 ++++++++++++++++++++++
>> tests/kms_atomic_transition.c | 32 ++++++++++++++++++++++++++++++--
>> 2 files changed, 52 insertions(+), 2 deletions(-)
>>
>> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
>> index fe1b356d..eb59ab36 100644
>> --- a/lib/igt_kms.c
>> +++ b/lib/igt_kms.c
>> @@ -49,6 +49,7 @@
>> #include "intel_chipset.h"
>> #include "igt_debugfs.h"
>> #include "igt_sysfs.h"
>> +#include "sw_sync.h"
>>
>> /**
>> * SECTION:igt_kms
>> @@ -2184,6 +2185,27 @@ 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) {
>> + int64_t *fence_ptr;
>> +
>> + for_each_pipe(display, pipe) {
>> + igt_pipe_t *pipe_obj = &display->pipes[pipe];
>> +
>> + fence_ptr = pipe_obj->out_fence_ptr;
>> + if (!fence_ptr)
>> + continue;
>> +
>> + if (flags & DRM_MODE_ATOMIC_TEST_ONLY) {
>> + igt_assert(*fence_ptr == -1);
>> + } else {
>> + igt_assert(*fence_ptr >= 0);
>> + ret = sw_sync_wait(*fence_ptr, 1000);
>> + igt_assert(ret == 0);
>> + close(*fence_ptr);
>> + }
>> + }
>> + }
>> +
>> drmModeAtomicFree(req);
>> return ret;
>>
>> diff --git a/tests/kms_atomic_transition.c
>> b/tests/kms_atomic_transition.c
>> index b7d99975..08f9499f 100644
>> --- a/tests/kms_atomic_transition.c
>> +++ b/tests/kms_atomic_transition.c
>> @@ -132,6 +132,7 @@ run_transition_test(igt_display_t *display, enum
>> pipe pipe, igt_output_t *output
>> struct plane_parms parms[IGT_MAX_PLANES];
>> bool skip_test = false;
>> unsigned flags = DRM_MODE_PAGE_FLIP_EVENT;
>> + int out_fence, ret;
>
> out_fence needs to be 64-bit.
Ack, fixed in v3.
>
>>
>> if (nonblocking)
>> flags |= DRM_MODE_ATOMIC_NONBLOCK;
>> @@ -198,9 +199,11 @@ run_transition_test(igt_display_t *display, enum
>> pipe pipe, igt_output_t *output
>> * planes to fix this
>> */
>> while (1) {
>> - int ret;
>> -
>> 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)
>> @@ -231,6 +234,9 @@ run_transition_test(igt_display_t *display, enum
>> pipe pipe, igt_output_t *output
>>
>> 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);
>>
>> @@ -239,6 +245,10 @@ 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_set_out_fence_ptr(&display->pipes[pipe],
>> + (int64_t *) &out_fence);
>> +
>> igt_display_commit_atomic(display, flags, (void *)0UL);
>>
>> drmHandleEvent(display->drm_fd, &drm_events);
>> @@ -252,6 +262,9 @@ 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);
>>
>> @@ -259,6 +272,9 @@ 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);
>> }
>> @@ -588,14 +604,26 @@ 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);
>> +
>
> This test makes my kernel very unhappy running on drm-next on mali-dp.
> Any ideas?
Hmm. I haven't seen anything like this.
I did my testing on drm-misc/drm-misc-next, unfortunately I don't have
any access to mali hardware of any kind :/
Rob.
>
> WARN -> Stall -> BUG:
>
> [ 131.657643] WARNING: CPU: 0 PID: 2124 at
> drivers/gpu/drm/drm_atomic_helper.c:1041
> drm_atomic_helper_wait_for_fences+0xcc/0xd4 [drm_kms_helper]
> [ 131.670293] Modules linked in: mali_dp tda998x drm_kms_helper drm
> ip_tables x_tables ipv6
> [ 131.678416]
> [ 131.679890] CPU: 0 PID: 2124 Comm: kms_atomic_tran Not tainted
> 4.9.0-rc8 #267
> [ 131.686950] Hardware name: ARM Juno development board (r0) (DT)
> [ 131.692806] task: ffff800970ae0000 task.stack: ffff8009746c0000
> [ 131.698732] PC is at drm_atomic_helper_wait_for_fences+0xcc/0xd4
> [drm_kms_helper]
> [ 131.706206] LR is at drm_atomic_helper_commit+0x7c/0x11c
> [drm_kms_helper]
> [ 131.712923] pc : [<ffff000000bdba1c>] lr : [<ffff000000bde958>]
> pstate: 20000145
> [ 131.720241] sp : ffff8009746c3b40
> [ 131.723516] x29: ffff8009746c3b40 x28: ffff80096fd40c00
> [ 131.728778] x27: 0000000022d216e0 x26: ffff80096fd40a80
> [ 131.734039] x25: 0000000000000018 x24: 0000000000000001
> [ 131.739300] x23: ffff80096fd40a80 x22: 0000000000000001
> [ 131.744561] x21: ffff80096fd40c00 x20: 0000000000000000
> [ 131.749823] x19: ffff80096fd40b00 x18: 0000000000000000
> [ 131.755084] x17: 0000ffffa5f64b00 x16: ffff0000081e7c88
> [ 131.760344] x15: 0000000000000000 x14: 0000000000000000
> [ 131.765605] x13: 0000000000000007 x12: 000000000000ca35
> [ 131.770865] x11: 0000000000000006 x10: 000000000000ca35
> [ 131.776126] x9 : 0000000000000000 x8 : ffff80097479f500
> [ 131.781387] x7 : 0000000000000000 x6 : 000000000000003f
> [ 131.786647] x5 : ffff80096fd40648 x4 : 0000000000000000
> [ 131.791908] x3 : ffff80096fd40600 x2 : 0000000000000001
> [ 131.797168] x1 : 0000000000000000 x0 : ffff80096f61f280
> [ 131.802429]
> [ 131.803898] ---[ end trace f3a899d81ca41342 ]---
> [ 131.808464] Call trace:
> [ 131.810882] Exception stack(0xffff8009746c3970 to 0xffff8009746c3aa0)
> [ 131.817256] 3960: ffff80096fd40b00
> 0001000000000000
> [ 131.825008] 3980: ffff8009746c3b40 ffff000000bdba1c ffff8009746c3a30
> ffff0000080fe1e4
> [ 131.832759] 39a0: ffff0000009c3038 ffff80097085b800 0000000000000001
> ffff8009746c3d70
> [ 131.840509] 39c0: ffff80096fd40a80 0000000000000001 0000000000000018
> ffff80096fd40a80
> [ 131.848260] 39e0: 0000000022d216e0 ffff80096fd40c00 ffff80097085c038
> 0000000000000000
> [ 131.856010] 3a00: ffff000008e15130 0000000000000140 ffff80096f61f280
> 0000000000000000
> [ 131.863761] 3a20: 0000000000000001 ffff80096fd40600 0000000000000000
> ffff80096fd40648
> [ 131.871511] 3a40: 000000000000003f 0000000000000000 ffff80097479f500
> 0000000000000000
> [ 131.879262] 3a60: 000000000000ca35 0000000000000006 000000000000ca35
> 0000000000000007
> [ 131.887012] 3a80: 0000000000000000 0000000000000000 ffff0000081e7c88
> 0000ffffa5f64b00
> [ 131.894830] [<ffff000000bdba1c>]
> drm_atomic_helper_wait_for_fences+0xcc/0xd4 [drm_kms_helper]
> [ 131.903338] [<ffff000000bde958>] drm_atomic_helper_commit+0x7c/0x11c
> [drm_kms_helper]
> [ 131.911252] [<ffff0000009a10a8>] drm_atomic_commit+0x48/0x68 [drm]
> [ 131.917532] [<ffff0000009a26f4>] drm_mode_atomic_ioctl+0x42c/0xa40 [drm]
> [ 131.924324] [<ffff00000098d8e8>] drm_ioctl+0x188/0x458 [drm]
> [ 131.929929] [<ffff0000081e75a0>] do_vfs_ioctl+0xb4/0x79c
> [ 131.935186] [<ffff0000081e7d0c>] SyS_ioctl+0x84/0x98
> [ 131.940101] [<ffff000008082f4c>] __sys_trace_return+0x0/0x4
> n:2124) igt-kms-CRITICAL: Last errno: 62, Timer expired
> **** END ****
> Subtest plane-all-transition-nonblocking-fencing: FAIL (2.151s)
> [ 363.609017] INFO: task kworker/u12:4:1087 blocked for more than 120
> seconds.
> [ 363.616021] Tainted: G W 4.9.0-rc8 #267
> [ 363.621473] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [ 363.629237] kworker/u12:4 D 0 1087 2 0x00000000
> [ 363.634770] Workqueue: events_unbound commit_work [drm_kms_helper]
> [ 363.640903] Call trace:
> [ 363.643328] [<ffff000008085550>] __switch_to+0x90/0xa4
> [ 363.648431] [<ffff000008881ac8>] __schedule+0x178/0x564
> [ 363.653618] [<ffff000008881ef0>] schedule+0x3c/0xa0
> [ 363.658461] [<ffff000008884c34>] schedule_timeout+0x148/0x218
> [ 363.664165] [<ffff00000852dfb8>] dma_fence_default_wait+0x1cc/0x20c
> [ 363.670383] [<ffff00000852db38>] dma_fence_wait_timeout+0x1c/0x34
> [ 363.676495] [<ffff000000bdb9b8>]
> drm_atomic_helper_wait_for_fences+0x68/0xd4 [drm_kms_helper]
> [ 363.685017] [<ffff000000bde868>] commit_tail+0x28/0x84 [drm_kms_helper]
> [ 363.691646] [<ffff000000bde8d4>] commit_work+0x10/0x18 [drm_kms_helper]
> [ 363.698211] [<ffff0000080d3258>] process_one_work+0x128/0x2e4
> [ 363.703912] [<ffff0000080d346c>] worker_thread+0x58/0x434
> [ 363.709269] [<ffff0000080d8f24>] kthread+0xd4/0xe8
> [ 363.714024] [<ffff000008082e80>] ret_from_fork+0x10/0x50
> [ 484.440951] INFO: task kworker/u12:4:1087 blocked for more than 120
> seconds.
> [ 484.440957] Tainted: G W 4.9.0-rc8 #267
> [ 484.440959] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [ 484.440966] kworker/u12:4 D 0 1087 2 0x00000000
> [ 484.441059] Workqueue: events_unbound commit_work [drm_kms_helper]
> [ 484.441060] Call trace:
> [ 484.441072] [<ffff000008085550>] __switch_to+0x90/0xa4
> [ 484.441080] [<ffff000008881ac8>] __schedule+0x178/0x564
> [ 484.441085] [<ffff000008881ef0>] schedule+0x3c/0xa0
> [ 484.441092] [<ffff000008884c34>] schedule_timeout+0x148/0x218
> [ 484.441099] [<ffff00000852dfb8>] dma_fence_default_wait+0x1cc/0x20c
> [ 484.441105] [<ffff00000852db38>] dma_fence_wait_timeout+0x1c/0x34
> [ 484.441177] [<ffff000000bdb9b8>]
> drm_atomic_helper_wait_for_fences+0x68/0xd4 [drm_kms_helper]
> [ 484.441250] [<ffff000000bde868>] commit_tail+0x28/0x84 [drm_kms_helper]
> [ 484.441321] [<ffff000000bde8d4>] commit_work+0x10/0x18 [drm_kms_helper]
> [ 484.441329] [<ffff0000080d3258>] process_one_work+0x128/0x2e4
> [ 484.441334] [<ffff0000080d346c>] worker_thread+0x58/0x434
> [ 484.441339] [<ffff0000080d8f24>] kthread+0xd4/0xe8
> [ 484.441344] [<ffff000008082e80>] ret_from_fork+0x10/0x50
> [ 485.464997] [drm:drm_atomic_helper_swap_state [drm_kms_helper]]
> *ERROR* [CRTC:32:crtc-0] hw_done timed out
> [ 495.704997] [drm:drm_atomic_helper_wait_for_dependencies
> [drm_kms_helper]] *ERROR* [CRTC:32:crtc-0] hw_done timed out
> [ 505.944998] [drm:drm_atomic_helper_wait_for_dependencies
> [drm_kms_helper]] *ERROR* [CRTC:32:crtc-0] flip_done timed out
> [ 506.391339] ------------[ cut here ]------------
> [ 506.395909] kernel BUG at drivers/dma-buf/dma-fence.c:178!
> [ 506.401337] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
> [ 506.406763] Modules linked in: mali_dp tda998x drm_kms_helper drm
> ip_tables x_tables ipv6
> [ 506.414894] CPU: 3 PID: 2124 Comm: kms_atomic_tran Tainted: G
> W 4.9.0-rc8 #267
> [ 506.423158] Hardware name: ARM Juno development board (r0) (DT)
> [ 506.429015] task: ffff800970ae0000 task.stack: ffff8009746c0000
> [ 506.434879] PC is at dma_fence_release+0x44/0x48
> [ 506.439448] LR is at sync_file_free+0x48/0x70
> [ 506.443757] pc : [<ffff00000852e504>] lr : [<ffff00000852f7cc>]
> pstate: 80000145
> [ 506.451074] sp : ffff8009746c3b70
> [ 506.454349] x29: ffff8009746c3b70 x28: ffff8009746c0000
> [ 506.459610] x27: 0000000000000001 x26: ffff000008d3728c
> [ 506.464870] x25: ffff800975d10510 x24: ffff8009768d3b50
> [ 506.470130] x23: ffff800976c3ec20 x22: ffff8009720c7e40
> [ 506.475390] x21: ffff8009768d3b50 x20: 0000000000000010
> [ 506.480650] x19: ffff80096f61f100 x18: 0000000000000000
> [ 506.485909] x17: 4000000000000000 x16: ffffffffffffffff
> [ 506.491170] x15: 0000000000000040 x14: dead000000000100
> [ 506.496430] x13: dead000000000200 x12: 00000000ffffffff
> [ 506.501690] x11: 0000000000000068 x10: ffff800975f18700
> [ 506.506950] x9 : 0000000040000000 x8 : 0000000000210d00
> [ 506.512210] x7 : ffff800970ae0678 x6 : 0000000000000000
> [ 506.517470] x5 : 0000000000000000 x4 : 0000000000000000
> [ 506.522730] x3 : ffff800976753ce0 x2 : ffff80096f61f2a0
> [ 506.527989] x1 : 0000000000000000 x0 : ffff80096f61f280
> [ 506.533248]
> [ 506.534719] Process kms_atomic_tran (pid: 2124, stack limit =
> 0xffff8009746c0020)
> [ 506.542124] Stack: (0xffff8009746c3b70 to 0xffff8009746c4000)
> [ 506.547810] 3b60: ffff8009746c3b80
> ffff00000852f7cc
> [ 506.555561] 3b80: ffff8009746c3ba0 ffff00000852f824 ffff800975d10500
> ffff8009768d3b50
> [ 506.563311] 3ba0: ffff8009746c3bb0 ffff0000081d6b24 ffff8009746c3c00
> ffff0000081d6cc0
> [ 506.571062] 3bc0: ffff80097479bf00 ffff800970ae0678 ffff800970ae0000
> ffff800970ae06ac
> [ 506.578813] 3be0: ffff000008e0f000 ffff800975f18768 0000000008430000
> ffff0000080da458
> [ 506.586564] 3c00: ffff8009746c3c10 ffff0000080d72d4 ffff8009746c3c50
> ffff0000080c016c
> [ 506.594314] 3c20: ffff800970ae0000 ffff8009746c3cb0 0000000000000001
> ffff800970ac0000
> [ 506.602065] 3c40: ffff000008d35000 ffff0000080c0168 ffff8009746c3cc0
> ffff0000080c088c
> [ 506.609815] 3c60: ffff800970ac0000 0000000000000002 ffff8009746c0000
> ffff800970ac0000
> [ 506.617566] 3c80: ffff800974608000 ffff8009746c3de8 0000000008430000
> ffff000008d3728c
> [ 506.625316] 3ca0: 0000000000000001 ffff8009746c0000 ffff8009746c3cf0
> ffff0000080ca3dc
> [ 506.633067] 3cc0: ffff8009746c3cf0 ffff0000080ca514 ffff8009746c0000
> ffff8009746c3e08
> [ 506.640818] 3ce0: ffff800974608808 ffff800970ac0000 ffff8009746c3d70
> ffff000008087850
> [ 506.648568] 3d00: 0000000000000201 ffff8009746c3de8 ffff8009746c0000
> ffff8009746c3ec0
> [ 506.656319] 3d20: 0000000000000000 ffff8009746c3ec0 0000000000000123
> 000000000000008b
> [ 506.664069] 3d40: ffff000008892000 ffff8009746c0000 0000000000000000
> 0000000000000000
> [ 506.671820] 3d60: 5555000000004100 ffff000008b04a20 ffff8009746c3e90
> ffff000008087e2c
> [ 506.679570] 3d80: 0000000000000201 ffff8009746c0000 ffff8009746c0000
> ffff8009746c3ec0
> [ 506.687320] 3da0: 0000000000000000 0000000000000015 0000000000000123
> 000000000000008b
> [ 506.695071] 3dc0: ffff000008892000 ffff8009746c0000 0000000000000000
> 0000000000000000
> [ 506.702821] 3de0: ffff8009746c3e20 ffff0000081decc4 ffff8009746c3e40
> ffff0000081472d0
> [ 506.710572] 3e00: ffff8009748fa800 0000000000000002 00000000fffffffa
> 000000000000084c
> [ 506.718322] 3e20: 0000000000000000 0000000000000000 0000000000000000
> 0000000000000000
> [ 506.726072] 3e40: 0000000000000000 0000000000000000 0000000000000000
> 0000000000000000
> [ 506.733822] 3e60: 0000000000000000 0000000000000000 0000000000000000
> 0000000000000000
> [ 506.741572] 3e80: 0000000000000000 ffff000008082f58 0000000000000000
> ffff000008082ddc
> [ 506.749323] 3ea0: 0000000000000200 0000ffffeac382b8 ffffffffffffffff
> 0000ffffa625d6c8
> [ 506.757073] 3ec0: 0000000000000003 00000000c03864bc 0000ffffeac382b8
> 0000000000000011
> [ 506.764823] 3ee0: 0000000022d216a0 0000000000000005 0000000000000022
> 0000000022d213b0
> [ 506.772573] 3f00: 000000000000001d 0000000000000000 0000001000000020
> 0000ffffeac38400
> [ 506.780323] 3f20: 0000001300000020 0000000000000000 0000000000000000
> 0000000000000000
> [ 506.788074] 3f40: 0000ffffa6230278 0000ffffa5f64b00 0000000000000000
> 0000000022d216c0
> [ 506.795824] 3f60: 0000ffffeac382b8 00000000c03864bc 0000000000000003
> 0000000022d1d410
> [ 506.803575] 3f80: 0000000000000022 0000000022d216e0 0000000022d217b0
> 0000000022d1c7e0
> [ 506.811325] 3fa0: 0000000000000010 0000ffffeac38220 0000ffffa621797c
> 0000ffffeac38220
> [ 506.819075] 3fc0: 0000ffffa5f64b08 0000000060000000 0000000000000000
> ffffffffffffffff
> [ 506.826825] 3fe0: 0000000000000000 0000000000000000 0000000000000000
> 0000000000000000
> [ 506.834572] Call trace:
> [ 506.836990] Exception stack(0xffff8009746c39a0 to 0xffff8009746c3ad0)
> [ 506.843365] 39a0: ffff80096f61f100 0001000000000000 ffff8009746c3b70
> ffff00000852e504
> [ 506.851115] 39c0: ffff8009746c0000 0000000180170016 0000000100170017
> ffff7e0025dbbf80
> [ 506.858866] 39e0: ffff8009746c3b00 ffff0000081bb910 ffff80096ec34800
> ffff8009746c0000
> [ 506.866617] 3a00: ffff00000819826c ffff7e0025d39500 ffff8009746c3b30
> ffff0000081bbe50
> [ 506.874367] 3a20: ffff7e0025bd87c0 ffff8009746c0000 0000000000158143
> ffff80096f61f580
> [ 506.882118] 3a40: ffff80096f61f280 0000000000000000 ffff80096f61f2a0
> ffff800976753ce0
> [ 506.889867] 3a60: 0000000000000000 0000000000000000 0000000000000000
> ffff800970ae0678
> [ 506.897618] 3a80: 0000000000210d00 0000000040000000 ffff800975f18700
> 0000000000000068
> [ 506.905368] 3aa0: 00000000ffffffff dead000000000200 dead000000000100
> 0000000000000040
> [ 506.913117] 3ac0: ffffffffffffffff 4000000000000000
> [ 506.917945] [<ffff00000852e504>] dma_fence_release+0x44/0x48
> [ 506.923546] [<ffff00000852f7cc>] sync_file_free+0x48/0x70
> [ 506.928888] [<ffff00000852f824>] sync_file_release+0x30/0x3c
> [ 506.934490] [<ffff0000081d6b24>] __fput+0x94/0x1d8
> [ 506.939229] [<ffff0000081d6cc0>] ____fput+0xc/0x14
> [ 506.943972] [<ffff0000080d72d4>] task_work_run+0xc4/0xe4
> [ 506.949230] [<ffff0000080c016c>] do_exit+0x2d0/0x980
> [ 506.954143] [<ffff0000080c088c>] do_group_exit+0x40/0x9c
> [ 506.959401] [<ffff0000080ca514>] get_signal+0x1e8/0x4f0
> [ 506.964573] [<ffff000008087850>] do_signal+0x198/0x554
> [ 506.969657] [<ffff000008087e2c>] do_notify_resume+0x88/0xa4
> [ 506.975171] [<ffff000008082ddc>] work_pending+0x8/0x10
> [ 506.980257] Code: 8b010000 97ef7a27 a8c17bfd d65f03c0 (d4210000)
> [ 506.988726] ---[ end trace f3a899d81ca41343 ]---
> [ 506.993312] Fixing recursive fault but reboot is needed!
>
> Thanks,
> Brian
>> 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
>>
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