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linux/drivers/gpu/drm
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Chris Wilson 3d5564e910 drm/i915: Only apply one barrier after a breadcrumb interrupt is posted 
If we flag the seqno as potentially stale upon receiving an interrupt,
we can use that information to reduce the frequency that we apply the
heavyweight coherent seqno read (i.e. if we wake up a chain of waiters).

v2: Use cmpxchg to replace READ_ONCE/WRITE_ONCE for more explicit
control of the ordering wrt to interrupt generation and interrupt
checking in the bottom-half.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1467390209-3576-14-git-send-email-chris@chris-wilson.co.uk
2016-07-01 21:00:54 +01:00
..
amd
drm/amdkfd: Clean up inline handling
2016-06-21 21:32:52 +02:00
arc
drm/arc: Remove redundant calls to drm_connector_register_all()
2016-06-21 10:53:12 +02:00
arm
drm/arm: Add support for Mali Display Processors
2016-06-15 17:29:22 +01:00
armada
drm: Lobotomize set_busid nonsense for !pci drivers
2016-06-21 21:56:23 +02:00
ast
Merge tag 'topic/drm-misc-2016-06-07' of git://anongit.freedesktop.org/drm-intel into drm-next
2016-06-09 11:19:28 +10:00
atmel-hlcdc
drm/atmel-hlcdc: Remove redundant call to drm_connector_unregister_all()
2016-06-22 09:57:20 +02:00
bochs
drm/bochs: Use lockless gem BO free callback
2016-06-01 09:40:16 +02:00
bridge
drm/bridge: Add sii902x driver
2016-06-20 15:55:49 +02:00
cirrus
Merge tag 'topic/drm-misc-2016-06-07' of git://anongit.freedesktop.org/drm-intel into drm-next
2016-06-09 11:19:28 +10:00
etnaviv
drm: Lobotomize set_busid nonsense for !pci drivers
2016-06-21 21:56:23 +02:00
exynos
drm: Lobotomize set_busid nonsense for !pci drivers
2016-06-21 21:56:23 +02:00
fsl-dcu
drm/fsl-dcu: use drm_mode_config_cleanup on initialization errors
2016-06-21 15:37:26 +02:00
gma500
drm/gma500: use drm_crtc_vblank_{on,off}()
2016-06-13 18:38:19 +02:00
hisilicon
drm: Lobotomize set_busid nonsense for !pci drivers
2016-06-21 21:56:23 +02:00
i2c
…
i810
…
i915
drm/i915: Only apply one barrier after a breadcrumb interrupt is posted
2016-07-01 21:00:54 +01:00
imx
drm: Lobotomize set_busid nonsense for !pci drivers
2016-06-21 21:56:23 +02:00
mediatek
MT8173 HDMI support
2016-06-24 13:16:07 +10:00
mga
…
mgag200
Merge tag 'topic/drm-misc-2016-06-07' of git://anongit.freedesktop.org/drm-intel into drm-next
2016-06-09 11:19:28 +10:00
msm
drm: Lobotomize set_busid nonsense for !pci drivers
2016-06-21 21:56:23 +02:00
nouveau
drm: Lobotomize set_busid nonsense for !pci drivers
2016-06-21 21:56:23 +02:00
omapdrm
drm: Lobotomize set_busid nonsense for !pci drivers
2016-06-21 21:56:23 +02:00
panel
drm/panel: simple: Add support for TPK U.S.A. LLC Fusion 7" and 10.1" panels
2016-05-12 11:32:14 +02:00
qxl
Merge tag 'topic/drm-misc-2016-06-07' of git://anongit.freedesktop.org/drm-intel into drm-next
2016-06-09 11:19:28 +10:00
r128
…
radeon
drm/radeon: use crtc directly in drm_crtc_vblank_put()
2016-06-13 18:38:12 +02:00
rcar-du
Merge branch 'drm/next/du' of git://linuxtv.org/pinchartl/media into drm-next
2016-06-24 13:15:10 +10:00
rockchip
drm/rockchip: Finish initialization before registering DRM device
2016-06-21 10:52:58 +02:00
savage
…
shmobile
drm: Lobotomize set_busid nonsense for !pci drivers
2016-06-21 21:56:23 +02:00
sis
drm: Move master pointer from drm_minor to drm_device
2016-06-21 21:43:24 +02:00
sti
drm: sti: rework init sequence
2016-06-21 21:32:52 +02:00
sun4i
drm/sun4i: Remove open-coded drm_connector_register_all()
2016-06-22 09:57:45 +02:00
tdfx
…
tegra
drm: tegra: Rely on the default ->best_encoder() behavior
2016-06-10 17:24:48 +02:00
tilcdc
drm: Lobotomize set_busid nonsense for !pci drivers
2016-06-21 21:56:23 +02:00
ttm
Linux 4.6-rc7
2016-05-09 13:49:56 +10:00
udl
drm/udl: use drm_crtc_send_vblank_event()
2016-06-06 18:03:06 +02:00
vc4
drm/vc4: Remove unused connector
2016-06-22 12:41:47 +02:00
vgem
drm/vgem: Stop calling drm_drv_set_unique
2016-06-21 21:43:37 +02:00
via
drm: Move master pointer from drm_minor to drm_device
2016-06-21 21:43:24 +02:00
virtio
drm: Lobotomize set_busid nonsense for !pci drivers
2016-06-21 21:56:23 +02:00
vmwgfx
drm: document drm_auth.c
2016-06-21 22:10:55 +02:00
ati_pcigart.c
…
drm_agpsupport.c
drm: Give drm_agp_clear drm_legacy_ prefix
2016-04-27 08:41:34 +02:00
drm_atomic_helper.c
drm/atomic-helpers: Clear up cleanup_done a bit
2016-06-15 17:25:36 +02:00
drm_atomic.c
drm/atomic: Add struct drm_crtc_commit to track async updates
2016-06-10 16:57:54 +02:00
drm_auth.c
drm: document drm_auth.c
2016-06-21 22:10:55 +02:00
drm_bridge.c
drm/doc: Switch to sphinx/rst fixed-width quoting
2016-06-03 20:58:24 +02:00
drm_bufs.c
drm: Move master pointer from drm_minor to drm_device
2016-06-21 21:43:24 +02:00
drm_cache.c
x86/cpufeature: Remove cpu_has_clflush
2016-03-31 13:35:09 +02:00
drm_context.c
…
drm_crtc_helper.c
drm/crtc-helper: disable_unused_functions really isn't for atomic
2016-06-21 11:46:08 +02:00
drm_crtc_internal.h
drm: Clean up drm_crtc.h
2016-06-21 21:43:28 +02:00
drm_crtc.c
drm: document drm_auth.c
2016-06-21 22:10:55 +02:00
drm_debugfs.c
drm: Nuke legacy maps debugfs files
2016-06-16 10:16:11 +02:00
drm_dma.c
…
drm_dp_aux_dev.c
drm/dp: Allow signals to interrupt drm_aux-dev reads/writes
2016-04-28 11:48:09 +02:00
drm_dp_dual_mode_helper.c
drm: Add helper for DP++ adaptors
2016-05-23 11:10:46 +03:00
drm_dp_helper.c
drm: Minimally initialise drm_dp_aux
2016-06-17 14:41:47 +02:00
drm_dp_mst_topology.c
Linux 4.6-rc7
2016-05-09 13:49:56 +10:00
drm_drv.c
drm: Don't call drm_dev_set_unique from platform drivers
2016-06-21 21:43:41 +02:00
drm_edid_load.c
Fix annoyingly awkward typo in drm_edid_load.c
2016-05-30 09:59:28 +02:00
drm_edid.c
drm/edid: add displayid detailed 1 timings to the modelist. (v1.1)
2016-05-23 11:35:31 +10:00
drm_encoder_slave.c
…
drm_fb_cma_helper.c
drm: fb: cma: fix memory leak
2016-06-13 09:53:09 +02:00
drm_fb_helper.c
drm/fb-helper: Reduce READ_ONCE(master) to lockless_dereference
2016-06-22 10:07:28 +02:00
drm_flip_work.c
…
drm_fops.c
drm: Clean up drm_crtc.h
2016-06-21 21:43:28 +02:00
drm_fourcc.c
drm: Move format-related helpers to drm_fourcc.c
2016-06-09 11:58:50 +02:00
drm_gem_cma_helper.c
drm: Wrap direct calls to driver->gem_free_object from CMA
2016-06-01 15:00:28 +10:00
drm_gem.c
drm/doc: Appease sphinx
2016-06-02 16:25:20 +02:00
drm_global.c
…
drm_hashtab.c
…
drm_info.c
drm: Extract drm_is_current_master
2016-06-21 21:58:12 +02:00
drm_internal.h
drm: Nuke SET_UNIQUE ioctl
2016-06-21 21:43:46 +02:00
drm_ioc32.c
…
drm_ioctl.c
drm: document drm_auth.c
2016-06-21 22:10:55 +02:00
drm_irq.c
drm: fix send_vblank_event use-after-free error
2016-06-20 21:18:35 +02:00
drm_kms_helper_common.c
…
drm_legacy.h
drm: Hide hw.lock cleanup in filp->release better
2016-06-16 10:16:37 +02:00
drm_lock.c
drm: Extract drm_is_current_master
2016-06-21 21:58:12 +02:00
drm_memory.c
…
drm_mipi_dsi.c
drm/dsi: Add uevent callback
2016-06-13 10:45:57 +02:00
drm_mm.c
drm/mm: avoid possible null pointer dereference
2016-05-23 14:56:11 +02:00
drm_modes.c
Merge tag 'topic/drm-misc-2016-06-07' of git://anongit.freedesktop.org/drm-intel into drm-next
2016-06-09 11:19:28 +10:00
drm_modeset_lock.c
drm/doc: Switch to sphinx/rst fixed-width quoting
2016-06-03 20:58:24 +02:00
drm_of.c
…
drm_panel.c
drm/panel: Flesh out kerneldoc
2016-05-06 16:04:48 +02:00
drm_pci.c
drm: Nuke SET_UNIQUE ioctl
2016-06-21 21:43:46 +02:00
drm_plane_helper.c
drm: Deal with rotation in drm_plane_helper_check_update()
2016-06-17 16:41:25 +02:00
drm_platform.c
drm: Lobotomize set_busid nonsense for !pci drivers
2016-06-21 21:56:23 +02:00
drm_prime.c
drm/prime: fix error path deadlock fail
2016-06-13 17:32:18 +02:00
drm_probe_helper.c
drm: Only create a cmdline mode if no probed modes match
2016-06-02 15:10:22 +02:00
drm_rect.c
…
drm_scatter.c
…
drm_simple_kms_helper.c
drm: Deal with rotation in drm_plane_helper_check_update()
2016-06-17 16:41:25 +02:00
drm_sysfs.c
drm: Remove dev_pm_ops from drm_class
2016-06-09 08:43:25 +02:00
drm_trace_points.c
…
drm_trace.h
…
drm_vm.c
drm: Nuke legacy maps debugfs files
2016-06-16 10:16:11 +02:00
drm_vma_manager.c
drm/doc: Switch to sphinx/rst fixed-width quoting
2016-06-03 20:58:24 +02:00
Kconfig
drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.
2016-05-06 17:47:35 +02:00
Makefile
drm: Add helper for simple display pipeline
2016-06-10 17:33:17 +02:00