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| author |   Dave Airlie <airlied@redhat.com> | 2020-09-23 09:49:48 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-09-23 09:52:24 +1000 |
| commit | 6ea6be77086f23d4b346c9946dae24593befda2e (patch) | |
| tree | dc3926a543ed2b8270aa111d97ee603970560eda /drivers/dma-buf | |
| parent | Merge tag 'amd-drm-next-5.10-2020-09-18' of git://people.freedesktop.org/~agd5f/linux into drm-next (diff) | |
| parent | drm/vc4: hvs: Pull the state of all the CRTCs prior to PV muxing (diff) | |
| download | linux-dev-6ea6be77086f23d4b346c9946dae24593befda2e.tar.xz linux-dev-6ea6be77086f23d4b346c9946dae24593befda2e.zip | |
Merge tag 'drm-misc-next-2020-09-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.10:
UAPI Changes:
Cross-subsystem Changes:
- virtio: Merged a PR for patches that will affect drm/virtio
Core Changes:
- dev: More devm_drm convertions and removal of drm_dev_init
- atomic: Split out drm_atomic_helper_calc_timestamping_constants of
drm_atomic_helper_update_legacy_modeset_state
- ttm: More rework
Driver Changes:
- i915: selftests improvements
- panfrost: support for Amlogic SoC
- vc4: one fix
- tree-wide: conversions to devm_drm_dev_alloc,
- ast: simplifications of the atomic modesetting code
- panfrost: multiple fixes
- vc4: multiple fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200921152956.2gxnsdgxmwhvjyut@gilmour.lan
Diffstat (limited to 'drivers/dma-buf')
| -rw-r--r-- | drivers/dma-buf/dma-fence.c | 1 | ||||
| -rw-r--r-- | drivers/dma-buf/dma-resv.c | 5 | ||||
| -rw-r--r-- | drivers/dma-buf/udmabuf.c | 3 |
3 files changed, 9 insertions, 0 deletions
diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index 43624b4ee13d..7475e09b0680 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -283,6 +283,7 @@ EXPORT_SYMBOL(dma_fence_begin_signalling); /** * dma_fence_end_signalling - end a critical DMA fence signalling section + * @cookie: opaque cookie from dma_fence_begin_signalling() * * Closes a critical section annotation opened by dma_fence_begin_signalling(). */ diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c index 434a3314fb0e..1c8f2581cb09 100644 --- a/drivers/dma-buf/dma-resv.c +++ b/drivers/dma-buf/dma-resv.c @@ -98,12 +98,14 @@ static int __init dma_resv_lockdep(void) struct mm_struct *mm = mm_alloc(); struct ww_acquire_ctx ctx; struct dma_resv obj; + struct address_space mapping; int ret; if (!mm) return -ENOMEM; dma_resv_init(&obj); + address_space_init_once(&mapping); mmap_read_lock(mm); ww_acquire_init(&ctx, &reservation_ww_class); @@ -111,6 +113,9 @@ static int __init dma_resv_lockdep(void) if (ret == -EDEADLK) dma_resv_lock_slow(&obj, &ctx); fs_reclaim_acquire(GFP_KERNEL); + /* for unmap_mapping_range on trylocked buffer objects in shrinkers */ + i_mmap_lock_write(&mapping); + i_mmap_unlock_write(&mapping); #ifdef CONFIG_MMU_NOTIFIER lock_map_acquire(&__mmu_notifier_invalidate_range_start_map); __dma_fence_might_wait(); diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c index 89e293bd9252..db732f71e59a 100644 --- a/drivers/dma-buf/udmabuf.c +++ b/drivers/dma-buf/udmabuf.c @@ -307,6 +307,9 @@ static long udmabuf_ioctl(struct file *filp, unsigned int ioctl, static const struct file_operations udmabuf_fops = { .owner = THIS_MODULE, .unlocked_ioctl = udmabuf_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = udmabuf_ioctl, +#endif }; static struct miscdevice udmabuf_misc = { |