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28176ef4cf
linux/drivers/gpu/drm/i915
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Chris Wilson 28176ef4cf drm/i915: Reserve space in the global seqno during request allocation 
A restriction on our global seqno is that they cannot wrap, and that we
cannot use the value 0. This allows us to detect when a request has not
yet been submitted, its global seqno is still 0, and ensures that
hardware semaphores are monotonic as required by older hardware. To
meet these restrictions when we defer the assignment of the global
seqno, we must check that we have an available slot in the global seqno
space during request construction. If that test fails, we wait for all
requests to be completed and reset the hardware back to 0.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161028125858.23563-33-chris@chris-wilson.co.uk
2016-10-28 20:53:56 +01:00
..
gvt drm/i915: Rearrange i915_wait_request() accounting with callers 2016-10-28 20:53:43 +01:00
dvo_ch7xxx.c
dvo_ch7017.c
dvo_ivch.c
dvo_ns2501.c
dvo_sil164.c
dvo_tfp410.c
dvo.h
i915_cmd_parser.c drm/i915: Refactor object page API 2016-10-28 20:53:46 +01:00
i915_debugfs.c drm/i915: Reserve space in the global seqno during request allocation 2016-10-28 20:53:56 +01:00
i915_drv.c drm/i915: Combine seqno + tracking into a global timeline struct 2016-10-28 20:53:51 +01:00
i915_drv.h drm/i915: Reserve space in the global seqno during request allocation 2016-10-28 20:53:56 +01:00
i915_gem_batch_pool.c drm/i915: Move GEM activity tracking into a common struct reservation_object 2016-10-28 20:53:50 +01:00
i915_gem_batch_pool.h
i915_gem_context.c drm/i915: Create a unique name for the context 2016-10-28 20:53:55 +01:00
i915_gem_dmabuf.c drm/i915: Move GEM activity tracking into a common struct reservation_object 2016-10-28 20:53:50 +01:00
i915_gem_evict.c drm/i915: Markup GEM API with lockdep asserts 2016-10-28 20:53:45 +01:00
i915_gem_execbuffer.c drm/i915: Move GEM activity tracking into a common struct reservation_object 2016-10-28 20:53:50 +01:00
i915_gem_fence.c drm/i915: Pass around sg_table to get_pages/put_pages backend 2016-10-28 20:53:47 +01:00
i915_gem_gtt.c drm/i915: Move GEM activity tracking into a common struct reservation_object 2016-10-28 20:53:50 +01:00
i915_gem_gtt.h drm/i915: Move GEM activity tracking into a common struct reservation_object 2016-10-28 20:53:50 +01:00
i915_gem_internal.c drm/i915: Pass around sg_table to get_pages/put_pages backend 2016-10-28 20:53:47 +01:00
i915_gem_render_state.c drm/i915: Refactor object page API 2016-10-28 20:53:46 +01:00
i915_gem_render_state.h drm/i915: Reuse the active golden render state batch 2016-10-28 20:53:44 +01:00
i915_gem_request.c drm/i915: Reserve space in the global seqno during request allocation 2016-10-28 20:53:56 +01:00
i915_gem_request.h drm/i915: Introduce a global_seqno for each request 2016-10-28 20:53:53 +01:00
i915_gem_shrinker.c drm/i915: Move object release to a freelist + worker 2016-10-28 20:53:49 +01:00
i915_gem_stolen.c drm/i915: Pass around sg_table to get_pages/put_pages backend 2016-10-28 20:53:47 +01:00
i915_gem_tiling.c drm/i915: Use lockless object free 2016-10-28 20:53:50 +01:00
i915_gem_timeline.c drm/i915: Combine seqno + tracking into a global timeline struct 2016-10-28 20:53:51 +01:00
i915_gem_timeline.h drm/i915: Reserve space in the global seqno during request allocation 2016-10-28 20:53:56 +01:00
i915_gem_userptr.c drm/i915: Use lockless object free 2016-10-28 20:53:50 +01:00
i915_gem.c drm/i915: Reserve space in the global seqno during request allocation 2016-10-28 20:53:56 +01:00
i915_gem.h drm/i915: Combine seqno + tracking into a global timeline struct 2016-10-28 20:53:51 +01:00
i915_gpu_error.c drm/i915: Convert breadcrumbs spinlock to be irqsafe 2016-10-28 20:53:55 +01:00
i915_guc_reg.h drm/i915/guc: general tidying up (loader) 2016-09-15 10:56:02 +01:00
i915_guc_submission.c drm/i915: Introduce a global_seqno for each request 2016-10-28 20:53:53 +01:00
i915_ioc32.c
i915_irq.c drm/i915: Combine seqno + tracking into a global timeline struct 2016-10-28 20:53:51 +01:00
i915_memcpy.c drm/i915: Mark the static key for movntqda as static 2016-08-17 12:36:07 +01:00
i915_mm.c drm/i915: Use remap_io_mapping() to prefault all PTE in a single pass 2016-08-19 17:13:36 +01:00
i915_params.c drm/i915: Allow disabling error capture 2016-10-12 12:00:32 +01:00
i915_params.h drm/i915: Allow disabling error capture 2016-10-12 12:00:32 +01:00
i915_pci.c drm/i915: keep declarations in i915_drv.h 2016-09-22 14:53:29 +03:00
i915_pvinfo.h
i915_reg.h drm/i915: Address broxton phy registers based on phy and channel number 2016-10-28 12:25:24 +03:00
i915_suspend.c drm/i915: Make IS_GEN macros only take dev_priv 2016-10-14 12:23:22 +01:00
i915_sw_fence.c drm/i915: Allow i915_sw_fence_await_sw_fence() to allocate 2016-10-28 20:53:42 +01:00
i915_sw_fence.h drm/i915: Allow i915_sw_fence_await_sw_fence() to allocate 2016-10-28 20:53:42 +01:00
i915_sysfs.c drm/i915: Allow disabling error capture 2016-10-12 12:00:32 +01:00
i915_trace_points.c
i915_trace.h drm/i915: Introduce a global_seqno for each request 2016-10-28 20:53:53 +01:00
i915_vgpu.c Merge tag 'drm-intel-next-2016-09-19' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-09-20 06:23:22 +10:00
i915_vgpu.h
intel_acpi.c
intel_atomic_plane.c drm/i915: Move GEM activity tracking into a common struct reservation_object 2016-10-28 20:53:50 +01:00
intel_atomic.c
intel_audio.c drm/i915/audio: set proper N/M in modeset 2016-10-26 12:36:30 +03:00
intel_bios.c drm/i915: Clean up DDI DDC/AUX CH sanitation 2016-10-21 15:43:40 +03:00
intel_bios.h
intel_breadcrumbs.c drm/i915: Convert breadcrumbs spinlock to be irqsafe 2016-10-28 20:53:55 +01:00
intel_color.c drm/i915: Make IS_CHERRYVIEW only take dev_priv 2016-10-14 12:23:19 +01:00
intel_crt.c drm/i915: Make IS_GEN macros only take dev_priv 2016-10-14 12:23:22 +01:00
intel_csr.c drm/i915/DMC/KBL: Load DMC on KBL using the no_stepping_info array 2016-10-26 14:20:53 -07:00
intel_ddi.c drm/i915: Move broxton vswing sequence to intel_dpio_phy.c 2016-10-28 12:24:45 +03:00
intel_device_info.c drm/i915: Reduce trickery in DEV_INFO_FOR_EACH_FLAG 2016-10-05 15:24:54 +03:00
intel_display.c drm/i915: Restore nonblocking awaits for modesetting 2016-10-28 20:53:51 +01:00
intel_dp_aux_backlight.c
intel_dp_link_training.c drm/i915/skl: drop workarounds for A0 and B0 revisions 2016-09-26 12:08:22 +03:00
intel_dp_mst.c Revert "drm/i915: start adding dp mst audio" 2016-09-29 11:02:41 +03:00
intel_dp.c drm/i915: Change the placement of some static functions in intel_dp.c 2016-10-28 15:06:31 +03:00
intel_dpio_phy.c drm/i915: Address broxton phy registers based on phy and channel number 2016-10-28 12:25:24 +03:00
intel_dpll_mgr.c drm/i915: Address broxton phy registers based on phy and channel number 2016-10-28 12:25:24 +03:00
intel_dpll_mgr.h drm/i915/dp: Add a standalone function to obtain shared dpll for HSW/BDW/SKL/BXT 2016-09-09 14:53:18 -07:00
intel_drv.h drm/i915: Restore nonblocking awaits for modesetting 2016-10-28 20:53:51 +01:00
intel_dsi_dcs_backlight.c
intel_dsi_panel_vbt.c drm/i915/dsi: double check element parsing against size if present 2016-09-19 18:38:11 +03:00
intel_dsi_pll.c drm/i915: Make IS_BROXTON only take dev_priv 2016-10-14 12:23:19 +01:00
intel_dsi.c drm/i915: Make IS_CHERRYVIEW only take dev_priv 2016-10-14 12:23:19 +01:00
intel_dsi.h
intel_dvo.c drm/i915: Store port enum in intel_encoder 2016-09-21 09:32:00 -07:00
intel_engine_cs.c drm/i915: Move the global sync optimisation to the timeline 2016-10-28 20:53:54 +01:00
intel_fbc.c Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued 2016-10-25 08:57:53 +02:00
intel_fbdev.c drm/i915: pdev cleanup 2016-08-22 12:19:52 +01:00
intel_fifo_underrun.c drm/i915: Make IS_GEN macros only take dev_priv 2016-10-14 12:23:22 +01:00
intel_frontbuffer.c
intel_frontbuffer.h
intel_guc_fwif.h drm/i915: Increase GuC log buffer size to reduce flush interrupts 2016-10-25 09:34:23 +01:00
intel_guc_loader.c drm/i915: Support for GuC interrupts 2016-10-25 09:34:06 +01:00
intel_guc.h drm/i915: Debugfs support for GuC logging control 2016-10-25 09:34:23 +01:00
intel_gvt.c Documentation/gpu: Add section for Intel GVT-g host support 2016-10-20 17:18:39 +08:00
intel_gvt.h drm/i915/gvt: clean up intel_gvt.h as interface for i915 core 2016-10-20 17:18:30 +08:00
intel_hdmi.c drm/i915: Respect alternate_ddc_pin for all DDI ports 2016-10-21 15:43:40 +03:00
intel_hotplug.c drm/i915: Mark i915_hpd_poll_init_work as static 2016-08-17 12:36:15 +01:00
intel_i2c.c drm/i915: GMBUS don't need no forcewake 2016-10-17 14:26:42 +03:00
intel_lrc.c drm/i915: Defer breadcrumb emission 2016-10-28 20:53:54 +01:00
intel_lrc.h drm/i915: Update reset path to fix incomplete requests 2016-09-09 14:23:05 +01:00
intel_lspcon.c drm/i915/lspcon: Add workaround for resuming in PCON mode 2016-10-26 12:41:01 +03:00
intel_lvds.c drm/i915: Make IS_GEN macros only take dev_priv 2016-10-14 12:23:22 +01:00
intel_mocs.c
intel_mocs.h
intel_modes.c
intel_opregion.c drm/i915: Ignore OpRegion panel type except on select machines 2016-09-14 11:25:05 +03:00
intel_overlay.c drm/i915: Use lockless object free 2016-10-28 20:53:50 +01:00
intel_panel.c drm/i915/backlight: setup backlight pwm alternate increment on backlight enable 2016-10-10 16:05:52 +03:00
intel_pm.c drm/i915: Use lockless object free 2016-10-28 20:53:50 +01:00
intel_psr.c drm/i915: Make IS_CHERRYVIEW only take dev_priv 2016-10-14 12:23:19 +01:00
intel_renderstate_gen6.c
intel_renderstate_gen7.c
intel_renderstate_gen8.c
intel_renderstate_gen9.c
intel_renderstate.h
intel_ringbuffer.c drm/i915: Move the global sync optimisation to the timeline 2016-10-28 20:53:54 +01:00
intel_ringbuffer.h drm/i915: Convert breadcrumbs spinlock to be irqsafe 2016-10-28 20:53:55 +01:00
intel_runtime_pm.c drm/i915: Add location of the Rcomp resistor to bxt_ddi_phy_info 2016-10-28 12:25:03 +03:00
intel_sdvo_regs.h
intel_sdvo.c drm/i915: Make INTEL_DEVID only take dev_priv 2016-10-14 12:23:19 +01:00
intel_sideband.c
intel_sprite.c Merge tag 'drm-intel-next-2016-10-24' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-10-25 16:39:43 +10:00
intel_tv.c drm/i915: Make INTEL_DEVID only take dev_priv 2016-10-14 12:23:19 +01:00
intel_uncore.c drm/i915: Just clear the mmiodebug before a register access 2016-10-10 16:06:41 +03:00
intel_vbt_defs.h
Kconfig Merge tag 'gvt-next-2016-10-27' of https://github.com/01org/gvt-linux into drm-intel-next-queued 2016-10-27 10:33:17 +02:00
Kconfig.debug
Makefile drm/i915: Combine seqno + tracking into a global timeline struct 2016-10-28 20:53:51 +01:00