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OpenCloudOS-Kernel/drivers/gpu/drm/i915
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Thomas Daniel 3e5b6f05a2 drm/i915: Reset logical ring contexts' head and tail during GPU reset 
Work was getting left behind in LRC contexts during reset.  This causes a hang
if the GPU is reset when HEAD==TAIL because the context's ringbuffer head and
tail don't get reset and retiring a request doesn't alter them, so the ring
still appears full.

Added a function intel_lr_context_reset() to reset head and tail on a LRC and
its ringbuffer.

Call intel_lr_context_reset() for each context in i915_gem_context_reset() when
in execlists mode.

Testcase: igt/pm_rps --run-subtest reset #bdw
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88096
Signed-off-by: Thomas Daniel <thomas.daniel@intel.com>
Reviewed-by: Dave Gordon <david.s.gordon@intel.com>
[danvet: Flatten control flow in the lrc reset code a notch.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
 		2015-02-24 00:19:37 +01:00
..
Kconfig drm/i915/dsi: add drm mipi dsi host support 2015-01-29 16:51:39 +01:00
Makefile drm/i915: Introduce a PV INFO page structure for Intel GVT-g. 2015-02-13 23:28:22 +01:00
dvo.h
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dvo_ch7xxx.c
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dvo_ch7017.c
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dvo_ivch.c
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dvo_ns2501.c drm/i915: Check pixel clock in ns2501 mode_valid hook 2014-09-03 11:05:21 +02:00
dvo_sil164.c
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dvo_tfp410.c
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i915_cmd_parser.c drm/i915: Trim the command parser allocations 2015-02-23 17:07:40 +01:00
i915_debugfs.c drm/i915/skl: Add SKL HW status to SSEU status 2015-02-23 23:57:08 +01:00
i915_dma.c drm/i915/skl: Tune IZ hashing when subslices are unbalanced 2015-02-24 00:07:05 +01:00
i915_drv.c drm/i915: Remove references to previously removed UMS config option 2015-02-13 23:28:40 +01:00
i915_drv.h drm/i915/skl: Tune IZ hashing when subslices are unbalanced 2015-02-24 00:07:05 +01:00
i915_gem.c drm/i915: Add process identifier to requests 2015-02-13 23:28:37 +01:00
i915_gem_batch_pool.c drm/i915: Mark shadow batch buffers as purgeable 2014-12-16 10:39:09 +01:00
i915_gem_context.c drm/i915: Reset logical ring contexts' head and tail during GPU reset 2015-02-24 00:19:37 +01:00
i915_gem_debug.c
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i915_gem_dmabuf.c dma-buf: use reservation objects 2014-07-08 13:03:20 -07:00
i915_gem_evict.c drm/i915: Add some extra guards in evict_vm 2015-01-06 09:07:59 +01:00
i915_gem_execbuffer.c drm/i915: Trim the command parser allocations 2015-02-23 17:07:40 +01:00
i915_gem_gtt.c drm/i915: Support alias ppgtt in VM if ppgtt is enabled 2015-02-13 23:28:26 +01:00
i915_gem_gtt.h drm/i915/gen8: Un-hardcode number of page directories 2015-02-13 23:28:12 +01:00
i915_gem_render_state.c drm/i915: Remove obsolete seqno parameter from 'i915_add_request' 2014-12-03 09:35:19 +01:00
i915_gem_render_state.h drm/i915/bdw: Render state init for Execlists 2014-09-03 11:04:52 +02:00
i915_gem_stolen.c drm/i915: don't reallocate the compressed FB at every frame 2015-02-24 00:02:20 +01:00
i915_gem_tiling.c drm/i915: Replace last_[rwf]_seqno with last_[rwf]_req 2014-12-03 09:35:14 +01:00
i915_gem_userptr.c drm/i915: Do not leak pages when freeing userptr objects 2014-09-29 15:31:01 +02:00
i915_gpu_error.c drm/i915: Add process identifier to requests 2015-02-13 23:28:37 +01:00
i915_ioc32.c drm/i915: remove redundant #ifdef CONFIG_COMPAT 2014-10-24 16:34:07 +02:00
i915_irq.c drm/i915: Flatten DRIVER_MODESET checks in i915_irq.c 2015-02-23 10:54:27 +01:00
i915_params.c drm/i915: Add i915.nuclear_pageflip command line param to force atomic (v4) 2015-01-27 09:57:34 +01:00
i915_reg.h drm/i915/skl: Tune IZ hashing when subslices are unbalanced 2015-02-24 00:07:05 +01:00
i915_suspend.c Merge tag 'topic/i915-hda-componentized-2015-01-12' into drm-intel-next-queued 2015-01-12 23:07:46 +01:00
i915_sysfs.c drm/i915: Introduce intel_set_rps() 2015-02-13 23:27:59 +01:00
i915_trace.h drm/i915/trace: Fix offsets for 64b 2015-02-13 23:28:11 +01:00
i915_trace_points.c
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i915_ums.c drm/i915: don't save/restore backlight hist ctl registers 2014-11-14 10:29:28 +01:00
i915_vgpu.c drm/i915: Adds graphic address space ballooning logic 2015-02-13 23:28:23 +01:00
i915_vgpu.h drm/i915: Add the display switch logic for vGPU in i915 driver 2015-02-13 23:28:24 +01:00
intel_acpi.c
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intel_atomic.c drm/i915: Add crtc state duplication/destruction functions 2015-01-27 09:57:18 +01:00
intel_atomic_plane.c drm/i915: Switch plane properties to full atomic helper. 2015-01-27 09:57:25 +01:00
intel_audio.c drm/i915: Make intel_crtc->config a pointer 2015-01-27 09:50:50 +01:00
intel_bios.c Revert "drm/i915: Parsing LFP brightness control from VBT" 2015-01-07 09:45:38 +01:00
intel_bios.h Revert "drm/i915: Parsing LFP brightness control from VBT" 2015-01-07 09:45:38 +01:00
intel_crt.c drm/i915: Add atomic_get_property entrypoint for connectors (v2) 2015-01-27 09:57:10 +01:00
intel_ddi.c drm/i915: Use pipe_config's cpu_transcoder for reading encoder hw state 2015-01-30 19:38:43 +01:00
intel_display.c drm/i915: Limit max VCO supported in CHV to 6.48GHz 2015-02-23 17:12:13 +01:00
intel_dp.c drm/i915: Make intel_dp_unpack_aux() static 2015-02-13 23:28:29 +01:00
intel_dp_mst.c drm/i915: Use pipe_config's cpu_transcoder for reading encoder hw state 2015-01-30 19:38:43 +01:00
intel_drv.h drm/i915: Make intel_unpin_fb_obj() static 2015-02-13 23:28:29 +01:00
intel_dsi.c drm/i915: Correct the variable holding the value for EOT to write 2015-02-13 23:28:00 +01:00
intel_dsi.h drm/i915/dsi: add drm mipi dsi host support 2015-01-29 16:51:39 +01:00
intel_dsi_panel_vbt.c drm/i915/dsi: remove intel_dsi_cmd.c and the unused functions therein 2015-01-29 16:57:14 +01:00
intel_dsi_pll.c drm/i915: Use DSI Pll1 for enabling MIPI DSI on Port C 2014-12-10 17:47:21 +01:00
intel_dvo.c drm/i915: Add atomic_get_property entrypoint for connectors (v2) 2015-01-27 09:57:10 +01:00
intel_fbc.c drm/i915: gen5+ can have FBC with multiple pipes 2015-02-23 23:59:57 +01:00
intel_fbdev.c drm/i915: Switch intel_fb_align_height to fb format modifiers 2015-02-13 23:28:18 +01:00
intel_fifo_underrun.c drivers: gpu: drm: i915: intel_fifo_underrun.c: Fix a typo in comment 2015-01-27 10:30:01 +01:00
intel_frontbuffer.c drm/i915: DRRS calls based on frontbuffer 2015-01-27 09:51:15 +01:00
intel_hdmi.c drm/i915: Add atomic_get_property entrypoint for connectors (v2) 2015-01-27 09:57:10 +01:00
intel_i2c.c drm/i915: Kill duplicated cdclk readout code from i2c 2014-07-07 11:27:52 +02:00
intel_lrc.c drm/i915: Reset logical ring contexts' head and tail during GPU reset 2015-02-24 00:19:37 +01:00
intel_lrc.h drm/i915: Reset logical ring contexts' head and tail during GPU reset 2015-02-24 00:19:37 +01:00
intel_lvds.c drm/i915: Add atomic_get_property entrypoint for connectors (v2) 2015-01-27 09:57:10 +01:00
intel_modes.c
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intel_opregion.c ACPI / i915: Update the condition to ignore firmware backlight change request 2014-09-30 01:11:18 +02:00
intel_overlay.c drm/i915: Make intel_crtc->config a pointer 2015-01-27 09:50:50 +01:00
intel_panel.c drm/i915: Embedded struct drm_crtc_state in intel_crtc_state 2015-01-27 09:50:48 +01:00
intel_pm.c drm/i915/skl: Implement WaEnableLbsSlaRetryTimerDecrement 2015-02-13 23:28:38 +01:00
intel_psr.c drm/i915/skl: Enabling PSR on Skylake 2015-01-28 17:22:29 +01:00
intel_renderstate.h drm/i915 Add golden context support for Gen9 2014-11-04 14:04:55 +01:00
intel_renderstate_gen6.c drm/i915: Add headers to the various render state 2014-12-10 17:47:23 +01:00
intel_renderstate_gen7.c drm/i915: Add headers to the various render state 2014-12-10 17:47:23 +01:00
intel_renderstate_gen8.c drm/i915: Add headers to the various render state 2014-12-10 17:47:23 +01:00
intel_renderstate_gen9.c drm/i915: Add headers to the various render state 2014-12-10 17:47:23 +01:00
intel_ringbuffer.c drm/i915/skl: Tune IZ hashing when subslices are unbalanced 2015-02-24 00:07:05 +01:00
intel_ringbuffer.h drm/i915: Make intel_ring_setup_status_page() static 2015-02-13 23:28:27 +01:00
intel_runtime_pm.c drm/i915/skl: Implementation of SKL display power well support 2015-02-13 23:28:01 +01:00
intel_sdvo.c drm/i915: Add atomic_get_property entrypoint for connectors (v2) 2015-01-27 09:57:10 +01:00
intel_sdvo_regs.h
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intel_sideband.c drm/i915: Increase the range of sideband address. 2015-01-27 09:50:43 +01:00
intel_sprite.c drm/i915: Switch to drm_crtc variants of vblank functions 2015-02-23 10:54:28 +01:00
intel_tv.c drm/i915: Add atomic_get_property entrypoint for connectors (v2) 2015-01-27 09:57:10 +01:00
intel_uncore.c drm/i915: FIFO space query code refactor 2015-02-23 16:45:16 +01:00