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338840eed1
linux/drivers/gpu/drm
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Alexandre Courbot 338840eed1 drm/nouveau/instmem/gk20a: fix race conditions 
The LRU list used for recycling CPU mappings was handling concurrency
very poorly. For instance, if an instobj was acquired twice before being
released once, it would end up into the LRU list even though there is
still a client accessing it.

This patch fixes this by properly counting how many clients are
currently using a given instobj.

While at it, we also raise errors when inconsistencies are detected, and
factorize some code.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-01-11 11:17:40 +10:00
..
amd Backmerge drm-fixes merge into Linus's tree into drm-next. 2015-12-24 08:08:47 +10:00
armada Merge branch 'drm-armada-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next 2015-12-23 09:19:58 +10:00
ast drm: Pass 'name' to drm_encoder_init() 2015-12-11 09:13:20 +01:00
atmel-hlcdc drm: use dev_name as default unique name in drm_dev_alloc() 2015-12-15 13:56:06 +01:00
bochs drm/bochs: Constify function pointer structs 2015-12-15 13:42:36 +01:00
bridge drm: bridge/dw_hdmi: add atomic API support 2015-12-28 08:55:53 +08:00
cirrus drm/cirrus: Constify function pointer structs 2015-12-15 13:43:59 +01:00
etnaviv drm/etnaviv: add initial etnaviv DRM driver 2015-12-15 14:48:02 +01:00
exynos Backmerge drm-fixes merge into Linus's tree into drm-next. 2015-12-24 08:08:47 +10:00
fsl-dcu drm: use dev_name as default unique name in drm_dev_alloc() 2015-12-15 13:56:06 +01:00
gma500 drm/gma500: Sanity-check pipe index 2015-12-15 13:35:25 +01:00
i2c Merge branch 'drm-tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next 2015-12-23 09:21:12 +10:00
i810
i915 Backmerge drm-fixes merge into Linus's tree into drm-next. 2015-12-24 08:08:47 +10:00
imx drm/imx: Constify function pointer structs 2015-12-15 13:46:26 +01:00
mga
mgag200 drm/mgag200: Constify function pointer structs 2015-12-15 13:46:35 +01:00
msm Merge tag 'topic/drm-misc-2015-12-14' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-12-15 10:40:15 +10:00
nouveau drm/nouveau/instmem/gk20a: fix race conditions 2016-01-11 11:17:40 +10:00
omapdrm drm/omap: remove obsolete manager assignment 2015-12-31 11:25:48 +02:00
panel drm/panel: simple: Add QiaoDian qd43003c0-40 2015-12-16 18:15:26 +01:00
qxl drm/qxl: use to_qxl_bo macro 2015-12-15 13:39:40 +01:00
r128
radeon Backmerge drm-fixes merge into Linus's tree into drm-next. 2015-12-24 08:08:47 +10:00
rcar-du drm: Constify drm_encoder_slave_funcs 2015-12-15 13:41:17 +01:00
rockchip drm/rockchip: vop: export vop_component_ops to modules 2015-12-31 17:42:18 +10:00
savage
shmobile drm: Pass 'name' to drm_encoder_init() 2015-12-11 09:13:20 +01:00
sis
sti drm/sti: Drop bogus drm_mode_sort() call 2015-12-11 09:33:18 +01:00
tdfx
tegra Merge tag 'topic/drm-misc-2015-12-18' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-12-19 11:45:31 +10:00
tilcdc drm: Pass 'name' to drm_encoder_init() 2015-12-11 09:13:20 +01:00
ttm drm/ttm: Fixed a read/write lock imbalance 2015-11-26 15:47:38 +01:00
udl drm/udl: Constify function pointer structs 2015-12-15 13:48:54 +01:00
vc4 Merge tag 'drm-vc4-next-2015-12-21' of http://github.com/anholt/linux into drm-next 2015-12-22 16:19:37 +10:00
vgem drm/vgem: Drop vgem_drm_gem_mmap 2015-10-19 11:00:44 +02:00
via
virtio drm: Drop drm_helper_probe_single_connector_modes_nomerge() 2015-12-11 09:32:53 +01:00
vmwgfx Backmerge drm-fixes merge into Linus's tree into drm-next. 2015-12-24 08:08:47 +10:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c drm/atomic-helper: Drop unneeded argument from check_pending_encoder 2015-12-15 10:22:26 +01:00
drm_atomic.c drm: Add plane->name and use it in debug prints 2015-12-11 09:13:53 +01:00
drm_auth.c
drm_bridge.c drm/bridge: Improve kerneldoc 2015-12-08 16:07:53 +01:00
drm_bufs.c
drm_cache.c
drm_context.c
drm_crtc_helper.c drm: Add crtc->name and use it in debug messages 2015-12-11 09:13:48 +01:00
drm_crtc_internal.h
drm_crtc.c drm: Add plane->name and use it in debug prints 2015-12-11 09:13:53 +01:00
drm_debugfs.c
drm_dma.c
drm_dp_helper.c
drm_dp_mst_topology.c Merge tag 'drm-intel-next-2015-12-18' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-12-23 14:22:09 +10:00
drm_drv.c drm: use dev_name as default unique name in drm_dev_alloc() 2015-12-15 13:56:06 +01:00
drm_edid_load.c
drm_edid.c drm/edid: Make the detailed timing CEA/HDMI mode fixup accept up to 5kHz clock difference 2015-12-01 07:57:14 +01:00
drm_encoder_slave.c drm: Constify drm_encoder_slave_funcs 2015-12-15 13:41:17 +01:00
drm_fb_cma_helper.c drm: Use the driver's gem_object_free function from CMA helpers. 2015-12-15 10:23:44 +01:00
drm_fb_helper.c drm/core: Fix old_fb handling in pan_display_atomic. 2015-11-17 13:02:14 +02:00
drm_flip_work.c
drm_fops.c Linux 4.4-rc4 2015-12-08 11:04:26 +10:00
drm_gem_cma_helper.c drm: Use the driver's gem_object_free function from CMA helpers. 2015-12-15 10:23:44 +01:00
drm_gem.c drm/gem: Update/Polish docs 2015-11-24 11:41:49 +01:00
drm_global.c
drm_hashtab.c
drm_info.c
drm_internal.h
drm_ioc32.c
drm_ioctl.c
drm_irq.c drm/nouveau: Fix pre-nv50 pageflip events (v4) 2015-12-04 13:49:38 +10:00
drm_legacy.h
drm_lock.c signals: kill block_all_signals() and unblock_all_signals() 2015-11-06 17:50:42 -08:00
drm_memory.c
drm_mipi_dsi.c drm/dsi: Add Turn On/Shutdown Peripheral command helpers 2015-11-24 10:25:14 +01:00
drm_mm.c
drm_modes.c drm/doc: Convert to markdown 2015-12-15 10:22:26 +01:00
drm_modeset_lock.c drm/doc: Convert to markdown 2015-12-15 10:22:26 +01:00
drm_of.c drm: Introduce generic probe function for component based masters. 2015-10-20 12:01:29 +02:00
drm_panel.c
drm_pci.c drm: add drm_pcie_get_max_link_width helper (v2) 2015-12-21 16:42:31 -05:00
drm_plane_helper.c drm: Pass 'name' to drm_universal_plane_init() 2015-12-11 09:13:10 +01:00
drm_platform.c
drm_prime.c drm/doc: Convert to markdown 2015-12-15 10:22:26 +01:00
drm_probe_helper.c drm: Don't overwrite UNVERFIED mode status to OK 2015-12-15 11:00:10 +10:00
drm_rect.c drm: Add "prefix" parameter to drm_rect_debug_print() 2015-11-24 11:47:46 +01:00
drm_scatter.c
drm_sysfs.c drm/sysfs: Send out uevent when connector->force changes 2015-11-24 11:49:34 +01:00
drm_trace_points.c
drm_trace.h
drm_vm.c
drm_vma_manager.c drm/gem: Use kref_get_unless_zero for the weak mmap references 2015-10-19 11:00:44 +02:00
Kconfig Merge branch 'drm-next-4.5' of git://people.freedesktop.org/~agd5f/linux into drm-next 2015-12-23 14:15:26 +10:00
Makefile drm/etnaviv: add initial etnaviv DRM driver 2015-12-15 14:48:02 +01:00