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alistair23-linux/include/drm
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Leo (Sunpeng) Li 54f809cfbd drm/atomic: Fix memleak on ERESTARTSYS during non-blocking commits 
During a non-blocking commit, it is possible to return before the
commit_tail work is queued (-ERESTARTSYS, for example).

Since a reference on the crtc commit object is obtained for the pending
vblank event when preparing the commit, the above situation will leave
us with an extra reference.

Therefore, if the commit_tail worker has not consumed the event at the
end of a commit, release it's reference.

Changes since v1:
- Also check for state->event->base.completion being set, to
  handle the case where stall_checks() fails in setup_crtc_commit().
Changes since v2:
- Add a flag to drm_crtc_commit, to prevent dereferencing a freed event.
  i915 may unreference the state in a worker.

Fixes: 24835e442f ("drm: reference count event->completion")
Cc: <stable@vger.kernel.org> # v4.11+
Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com> #v1
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180117115108.29608-1-maarten.lankhorst@linux.intel.com
Reviewed-by: Sean Paul <seanpaul@chromium.org>
2018-02-01 11:14:06 +01:00
..
bridge drm/bridge/sii8620: add remote control support 2017-10-11 13:14:25 +02:00
i2c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tinydrm drm/tinydrm: Generalize tinydrm_xrgb8888_to_gray8() 2017-08-09 17:55:50 +02:00
ttm drm/ttm: fix populate_and_map() functions once more 2017-11-29 14:42:35 -05:00
amd_asic_type.h drm/amdgpu Moving amdgpu asic types to a separate file 2017-10-18 10:56:27 -04:00
ati_pcigart.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
drm_agpsupport.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
drm_atomic.h drm/atomic: Fix memleak on ERESTARTSYS during non-blocking commits 2018-02-01 11:14:06 +01:00
drm_atomic_helper.h drm: Nuke drm_atomic_helper_connector_dpms 2017-08-08 14:48:48 +02:00
drm_auth.h drm: Add drm_object lease infrastructure [v5] 2017-10-25 16:31:29 +10:00
drm_blend.h drm: Add DRM_MODE_ROTATE_ and DRM_MODE_REFLECT_ to UAPI 2017-05-22 09:49:48 +02:00
drm_bridge.h drm/bridge: change return type of drm_bridge_add function 2017-08-21 08:51:53 +05:30
drm_cache.h drm: Move drm_clflush prototypes to drm_cache header file 2017-01-10 11:17:01 +01:00
drm_color_mgmt.h drm: drm_color_mgmt.h needs struct drm_crtc declaration 2017-05-02 10:30:23 +02:00
drm_connector.h drm: rework delayed connector cleanup in connector_iter 2017-12-13 22:59:00 +01:00
drm_crtc.h drm/mode_object: fix documentation for object lookups. 2017-11-10 13:50:47 +10:00
drm_crtc_helper.h drm/atomic: Acquire connection_mutex lock in drm_helper_probe_single_connector_modes, v4. 2017-04-06 21:29:23 +02:00
drm_debugfs.h drm/debugfs: Add kerneldoc 2017-03-24 09:36:06 +01:00
drm_debugfs_crc.h drm: Add API for capturing frame CRCs 2016-10-17 16:44:34 +02:00
drm_device.h drm: Extract drm_device.h 2017-08-11 10:47:17 +02:00
drm_displayid.h drm/edid: add displayid detailed 1 timings to the modelist. (v1.1) 2016-05-23 11:35:31 +10:00
drm_dp_dual_mode_helper.h drm: Fix LSPCON kernel-doc 2016-10-19 18:20:40 +03:00
drm_dp_helper.h Merge remote-tracking branch 'pfdo/drm-next' into drm-next 2017-10-17 10:53:43 +10:00
drm_dp_mst_helper.h drm/dp/mst: Sideband message transaction to power up/down nodes 2017-09-11 16:03:57 +03:00
drm_drv.h drm: vblank: use ktime_t instead of timeval 2017-10-13 08:34:46 +10:00
drm_edid.h drm: Update edid-derived drm_display_info fields at edid property set [v2] 2017-12-13 14:51:37 +01:00
drm_encoder.h drm/mode_object: fix documentation for object lookups. 2017-11-10 13:50:47 +10:00
drm_encoder_slave.h drm: Don't include <drm/drm_encoder.h> in <drm/drm_crtc.h> 2016-12-18 16:29:29 +05:30
drm_fb_cma_helper.h main drm pull request for v4.15 2017-11-15 20:42:10 -08:00
drm_fb_helper.h drm: remove unused and redundant callbacks 2017-08-07 11:20:36 +02:00
drm_file.h drm: introduce sync objects (v4) 2017-06-14 12:10:22 +10:00
drm_fixed.h drm: Add drm_fixp_from_fraction and drm_fixp2int_ceil 2016-02-05 15:23:48 +10:00
drm_flip_work.h drm/kms-helpers: Use recommened kerneldoc for struct member refs 2017-01-25 16:18:57 +01:00
drm_fourcc.h drm: Add mode_config .get_format_info() hook 2017-03-22 19:45:00 +02:00
drm_framebuffer.h drm: Pass struct drm_file * to __drm_mode_object_find [v2] 2017-10-12 10:03:04 +10:00
drm_gem.h drm/gem: Add drm_gem_dumb_map_offset() 2017-07-29 13:49:55 +02:00
drm_gem_cma_helper.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
drm_gem_framebuffer_helper.h drm/gem-fb-helper: Use debug message on gem lookup failure 2017-09-16 14:06:53 +02:00
drm_global.h drm: drop extern from function decls 2017-03-24 09:36:06 +01:00
drm_hashtab.h drm: drop extern from function decls 2017-03-24 09:36:06 +01:00
drm_ioctl.h new helper: drm_ioctl_kernel() 2017-05-27 15:39:28 -04:00
drm_irq.h drm: Extract drm_vblank.[hc] 2017-06-01 08:02:14 +02:00
drm_lease.h drm: Add four ioctls for managing drm mode object leases [v7] 2017-10-25 16:31:30 +10:00
drm_legacy.h drm: document drm_auth.c 2016-06-21 22:10:55 +02:00
drm_mipi_dsi.h drm/dsi: Implement DCS set/get display brightness 2016-08-24 13:34:00 +02:00
drm_mm.h lib/interval_tree: fast overlap detection 2017-09-08 18:26:49 -07:00
drm_mode_config.h drm: rework delayed connector cleanup in connector_iter 2017-12-13 22:59:00 +01:00
drm_mode_object.h drm: Add four ioctls for managing drm mode object leases [v7] 2017-10-25 16:31:30 +10:00
drm_modes.h drm: add helper functions for YCBCR420 handling 2017-07-14 21:23:54 +03:00
drm_modeset_helper.h drm: Pass 'dev' to drm_helper_mode_fill_fb_struct() 2016-12-15 14:03:30 +02:00
drm_modeset_helper_vtables.h drm/vtables: Fix typo 2017-09-01 19:50:24 +02:00
drm_modeset_lock.h drm/atomic: Prepare drm_modeset_lock infrastructure for interruptible waiting, v2. 2017-09-13 09:50:52 +02:00
drm_of.h main drm pull request for v4.15 2017-11-15 20:42:10 -08:00
drm_os_linux.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
drm_panel.h drm: make drm_panel.h self-contained 2017-05-16 17:17:02 +02:00
drm_pci.h drm/pci: Deprecate drm_pci_init/exit completely 2017-06-20 10:41:03 +02:00
drm_pciids.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
drm_plane.h drm/mode_object: fix documentation for object lookups. 2017-11-10 13:50:47 +10:00
drm_plane_helper.h drm: Add acquire ctx parameter to ->plane_disable 2017-03-29 09:14:58 +02:00
drm_prime.h drm: Extract drm_vblank.[hc] 2017-06-01 08:02:14 +02:00
drm_print.h drm: drm_printer: add __printf validation 2017-02-26 21:43:08 +01:00
drm_property.h drm/mode_object: fix documentation for object lookups. 2017-11-10 13:50:47 +10:00
drm_rect.h drm/doc: move printf helpers out of drmP.h 2017-05-31 09:59:41 +02:00
drm_scdc_helper.h drm: Fix warning when building docs for scdc_helper 2017-07-31 14:24:14 +02:00
drm_simple_kms_helper.h drm: Plumb modifiers through plane init 2017-08-01 17:50:06 +01:00
drm_syncobj.h drm/syncobj: add a new helper drm_syncobj_get_fd 2017-10-06 16:47:53 -04:00
drm_sysfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
drm_vblank.h drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE ioctls [v3] 2017-10-23 11:15:03 +10:00
drm_vma_manager.h drm: Extract drm_prime.h 2017-03-09 16:18:02 +01:00
drmP.h drm: Add new LEASE debug level 2017-10-25 16:31:29 +10:00
gma_drm.h drm/gma500: Remove unused ioctls 2014-03-17 20:11:57 +01:00
i915_component.h drm/i915/dp: DP audio API changes for MST 2016-09-22 09:01:55 -07:00
i915_drm.h drm: avoid "possible bad bitmask?" warning 2016-08-09 22:18:26 +02:00
i915_pciids.h drm/i915/kbl: Change a KBL pci id to GT2 from GT1.5 2017-09-21 06:22:29 -07:00
intel-gtt.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
intel_lpe_audio.h ALSA: x86: Register multiple PCM devices for the LPE audio card 2017-05-03 16:24:00 +03:00