Eric Anholt 131280a162 drm: Revert syncobj timeline changes. ... Daniel suggested I submit this, since we're still seeing regressions from it. This is a revert to before 48197bc564 ("drm: add syncobj timeline support v9") and its followon fixes. Fixes this on first V3D testcase execution: [ 48.767088] ============================================ [ 48.772410] WARNING: possible recursive locking detected [ 48.777739] 4.19.0-rc6+ #489 Not tainted [ 48.781668] -------------------------------------------- [ 48.786993] shader_runner/3284 is trying to acquire lock: [ 48.792408] ce309d7f (&(&array->lock)->rlock){....}, at: dma_fence_add_callback+0x30/0x23c [ 48.800714] [ 48.800714] but task is already holding lock: [ 48.806559] c5952bd3 (&(&array->lock)->rlock){....}, at: dma_fence_add_callback+0x30/0x23c [ 48.814862] [ 48.814862] other info that might help us debug this: [ 48.821410] Possible unsafe locking scenario: [ 48.821410] [ 48.827338] CPU0 [ 48.829788] ---- [ 48.832239] lock(&(&array->lock)->rlock); [ 48.836434] lock(&(&array->lock)->rlock); [ 48.840640] [ 48.840640] *** DEADLOCK *** [ 48.840640] [ 48.846582] May be due to missing lock nesting notation [ 130.763560] 1 lock held by cts-runner/3270: [ 130.767745] #0: 7834b793 (&(&array->lock)->rlock){-...}, at: dma_fence_add_callback+0x30/0x23c [ 130.776461] stack backtrace: [ 130.780825] CPU: 1 PID: 3270 Comm: cts-runner Not tainted 4.19.0-rc6+ #486 [ 130.787706] Hardware name: Broadcom STB (Flattened Device Tree) [ 130.793645] [<c021269c>] (unwind_backtrace) from [<c020db1c>] (show_stack+0x10/0x14) [ 130.801404] [<c020db1c>] (show_stack) from [<c0c2c4b0>] (dump_stack+0xa8/0xd4) [ 130.808642] [<c0c2c4b0>] (dump_stack) from [<c0281a84>] (__lock_acquire+0x848/0x1a68) [ 130.816483] [<c0281a84>] (__lock_acquire) from [<c02835d8>] (lock_acquire+0xd8/0x22c) [ 130.824326] [<c02835d8>] (lock_acquire) from [<c0c49948>] (_raw_spin_lock_irqsave+0x54/0x68) [ 130.832777] [<c0c49948>] (_raw_spin_lock_irqsave) from [<c086bf54>] (dma_fence_add_callback+0x30/0x23c) [ 130.842183] [<c086bf54>] (dma_fence_add_callback) from [<c086d4c8>] (dma_fence_array_enable_signaling+0x58/0xec) [ 130.852371] [<c086d4c8>] (dma_fence_array_enable_signaling) from [<c086c00c>] (dma_fence_add_callback+0xe8/0x23c) [ 130.862647] [<c086c00c>] (dma_fence_add_callback) from [<c06d8774>] (drm_syncobj_wait_ioctl+0x518/0x614) [ 130.872143] [<c06d8774>] (drm_syncobj_wait_ioctl) from [<c06b8458>] (drm_ioctl_kernel+0xb0/0xf0) [ 130.880940] [<c06b8458>] (drm_ioctl_kernel) from [<c06b8818>] (drm_ioctl+0x1d8/0x390) [ 130.888782] [<c06b8818>] (drm_ioctl) from [<c03a4510>] (do_vfs_ioctl+0xb0/0x8ac) [ 130.896187] [<c03a4510>] (do_vfs_ioctl) from [<c03a4d40>] (ksys_ioctl+0x34/0x60) [ 130.903593] [<c03a4d40>] (ksys_ioctl) from [<c0201000>] (ret_fast_syscall+0x0/0x28) Cc: Chunming Zhou <david1.zhou@amd.com> Cc: Christian König <christian.koenig@amd.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Eric Anholt <eric@anholt.net> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/261044/		2018-11-12 12:54:21 +01:00
..
drm	drm: Revert syncobj timeline changes.	2018-11-12 12:54:21 +01:00
host1x	gpu: host1x: Detach Host1x from IOMMU DMA domain on arm32	2018-09-26 17:11:14 +02:00
ipu-v3	drm pull for 4.19-rc1	2018-08-15 17:39:07 -07:00
vga	vgaarb: Keep adding VGA device in queue	2018-10-23 07:23:00 +02:00
Makefile