diff options
author | Benoit Parrot <bparrot@ti.com> | 2019-10-07 18:10:01 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-31 14:37:05 +0300 |
commit | 21d6b3c33c88dcd57a6f2d1abda980ea99d9e2bd (patch) | |
tree | c4cdf5ba314f207d822668ad2b959d13a04b5c18 /drivers/media/platform/ti-vpe | |
parent | b86957058be437d5be8832a3d627c9c08298dea6 (diff) | |
download | linux-21d6b3c33c88dcd57a6f2d1abda980ea99d9e2bd.tar.xz |
media: ti-vpe: vpe: ensure buffers are cleaned up properly in abort cases
[ Upstream commit cf6acb73b050e98b5cc435fae0e8ae0157520410 ]
v4l2-compliance fails with this message:
fail: v4l2-test-buffers.cpp(691): ret == 0
fail: v4l2-test-buffers.cpp(974): captureBufs(node, q, m2m_q,
frame_count, true)
test MMAP: FAIL
This caused the following Kernel Warning:
WARNING: CPU: 0 PID: 961 at
drivers/media/v4l2-core/videobuf2-core.c:1658
__vb2_queue_cancel+0x174/0x1d8
...
CPU: 0 PID: 961 Comm: v4l2-compliance Not tainted
4.14.62-01720-g20ecd717e87a #6
Hardware name: Generic DRA72X (Flattened Device Tree)
Backtrace:
[<c020b5bc>] (dump_backtrace) from [<c020b8a0>] (show_stack+0x18/0x1c)
r7:00000009 r6:60070013 r5:00000000 r4:c1053824
[<c020b888>] (show_stack) from [<c09232e8>] (dump_stack+0x90/0xa4)
[<c0923258>] (dump_stack) from [<c022b740>] (__warn+0xec/0x104)
r7:00000009 r6:c0c0ad50 r5:00000000 r4:00000000
[<c022b654>] (__warn) from [<c022b810>] (warn_slowpath_null+0x28/0x30)
r9:00000008 r8:00000000 r7:eced4808 r6:edbc9bac r5:eced4844
r4:eced4808
[<c022b7e8>] (warn_slowpath_null) from [<c0726f48>]
(__vb2_queue_cancel+0x174/0x1d8)
[<c0726dd4>] (__vb2_queue_cancel) from [<c0727648>]
(vb2_core_queue_release+0x20/0x40)
r10:ecc7bd70 r9:00000008 r8:00000000 r7:edb73010 r6:edbc9bac
r5:eced4844
r4:eced4808 r3:00000004
[<c0727628>] (vb2_core_queue_release) from [<c0729528>]
(vb2_queue_release+0x10/0x14)
r5:edbc9810 r4:eced4800
[<c0729518>] (vb2_queue_release) from [<c0724d08>]
(v4l2_m2m_ctx_release+0x1c/0x30)
[<c0724cec>] (v4l2_m2m_ctx_release) from [<bf0e8f28>]
(vpe_release+0x74/0xb0 [ti_vpe])
r5:edbc9810 r4:ed67a400
[<bf0e8eb4>] (vpe_release [ti_vpe]) from [<c070fccc>]
(v4l2_release+0x3c/0x80)
r7:edb73010 r6:ed176aa0 r5:edbc9868 r4:ed5119c0
[<c070fc90>] (v4l2_release) from [<c033cf1c>] (__fput+0x8c/0x1dc)
r5:ecc7bd70 r4:ed5119c0
[<c033ce90>] (__fput) from [<c033d0cc>] (____fput+0x10/0x14)
r10:00000000 r9:ed5119c0 r8:ece392d0 r7:c1059544 r6:ece38d80
r5:ece392b4
r4:00000000
[<c033d0bc>] (____fput) from [<c0246e00>] (task_work_run+0x98/0xb8)
[<c0246d68>] (task_work_run) from [<c022f1d8>] (do_exit+0x170/0xa80)
r9:ece351fc r8:00000000 r7:ecde3f58 r6:ffffe000 r5:ece351c0
r4:ece38d80
[<c022f068>] (do_exit) from [<c022fb6c>] (do_group_exit+0x48/0xc4)
r7:000000f8
[<c022fb24>] (do_group_exit) from [<c022fc00>]
(__wake_up_parent+0x0/0x28)
r7:000000f8 r6:b6c6a798 r5:00000001 r4:00000001
[<c022fbe8>] (SyS_exit_group) from [<c0207c80>]
(ret_fast_syscall+0x0/0x4c)
These warnings are caused by buffers which not properly cleaned
up/release during an abort use case.
In the abort cases the VPDMA desc buffers would still be mapped and the
in-flight VB2 buffers would not be released properly causing a kernel
warning from being generated by the videobuf2-core level.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/media/platform/ti-vpe')
-rw-r--r-- | drivers/media/platform/ti-vpe/vpe.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c index 5adafee98e4c..7af66fe95a54 100644 --- a/drivers/media/platform/ti-vpe/vpe.c +++ b/drivers/media/platform/ti-vpe/vpe.c @@ -1435,9 +1435,6 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data) /* the previous dst mv buffer becomes the next src mv buffer */ ctx->src_mv_buf_selector = !ctx->src_mv_buf_selector; - if (ctx->aborting) - goto finished; - s_vb = ctx->src_vbs[0]; d_vb = ctx->dst_vb; @@ -1502,6 +1499,9 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data) ctx->src_vbs[0] = NULL; ctx->dst_vb = NULL; + if (ctx->aborting) + goto finished; + ctx->bufs_completed++; if (ctx->bufs_completed < ctx->bufs_per_job && job_ready(ctx)) { device_run(ctx); @@ -2400,6 +2400,12 @@ static int vpe_release(struct file *file) mutex_lock(&dev->dev_mutex); free_mv_buffers(ctx); + + vpdma_unmap_desc_buf(dev->vpdma, &ctx->desc_list.buf); + vpdma_unmap_desc_buf(dev->vpdma, &ctx->mmr_adb); + vpdma_unmap_desc_buf(dev->vpdma, &ctx->sc_coeff_h); + vpdma_unmap_desc_buf(dev->vpdma, &ctx->sc_coeff_v); + vpdma_free_desc_list(&ctx->desc_list); vpdma_free_desc_buf(&ctx->mmr_adb); |