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Lyude Paul 9a64c65083 drm/i915: Add short HPD IRQ storm detection for non-MST systems 
Unfortunately, it seems that the HPD IRQ storm problem from the early
days of Intel GPUs was never entirely solved, only mostly. Within the
last couple of days, I got a bug report from one of our customers who
had been having issues with their machine suddenly booting up very
slowly after having updated. The amount of time it took to boot went
from around 30 seconds, to over 6 minutes consistently.

After some investigation, I discovered that i915 was reporting massive
amounts of short HPD IRQ spam on this system from the DisplayPort port,
despite there not being anything actually connected. The symptoms would
start with one "long" HPD IRQ being detected at boot:

[    1.891398] [drm:intel_get_hpd_pins [i915]] hotplug event received, stat 0x00440000, dig 0x00440000, pins 0x000000a0
[    1.891436] [drm:intel_hpd_irq_handler [i915]] digital hpd port B - long
[    1.891472] [drm:intel_hpd_irq_handler [i915]] Received HPD interrupt on PIN 5 - cnt: 0
[    1.891508] [drm:intel_hpd_irq_handler [i915]] digital hpd port D - long
[    1.891544] [drm:intel_hpd_irq_handler [i915]] Received HPD interrupt on PIN 7 - cnt: 0
[    1.891592] [drm:intel_dp_hpd_pulse [i915]] got hpd irq on port B - long
[    1.891628] [drm:intel_dp_hpd_pulse [i915]] got hpd irq on port D - long
…

followed by constant short IRQs afterwards:

[    1.895091] [drm:intel_encoder_hotplug [i915]] [CONNECTOR:66:DP-1] status updated from unknown to disconnected
[    1.895129] [drm:i915_hotplug_work_func [i915]] Connector DP-3 (pin 7) received hotplug event.
[    1.895165] [drm:intel_dp_detect [i915]] [CONNECTOR:72:DP-3]
[    1.895275] [drm:intel_get_hpd_pins [i915]] hotplug event received, stat 0x00200000, dig 0x00200000, pins 0x00000080
[    1.895312] [drm:intel_hpd_irq_handler [i915]] digital hpd port D - short
[    1.895762] [drm:intel_get_hpd_pins [i915]] hotplug event received, stat 0x00200000, dig 0x00200000, pins 0x00000080
[    1.895799] [drm:intel_hpd_irq_handler [i915]] digital hpd port D - short
[    1.896239] [drm:intel_dp_aux_xfer [i915]] dp_aux_ch timeout status 0x71450085
[    1.896293] [drm:intel_get_hpd_pins [i915]] hotplug event received, stat 0x00200000, dig 0x00200000, pins 0x00000080
[    1.896330] [drm:intel_hpd_irq_handler [i915]] digital hpd port D - short
[    1.896781] [drm:intel_get_hpd_pins [i915]] hotplug event received, stat 0x00200000, dig 0x00200000, pins 0x00000080
[    1.896817] [drm:intel_hpd_irq_handler [i915]] digital hpd port D - short
[    1.897275] [drm:intel_get_hpd_pins [i915]] hotplug event received, stat 0x00200000, dig 0x00200000, pins 0x00000080

The customer's system in question has a GM45 GPU, which is apparently
well known for hotplugging storms.

So, workaround this impressively broken hardware by changing the default
HPD storm threshold from 5 to 50. Then, make long IRQs count for 10, and
short IRQs count for 1. This makes it so that 5 long IRQs will trigger
an HPD storm, and on systems with short HPD storm detection 50 short
IRQs will trigger an HPD storm. 50 short IRQs amounts to 100ms of
constant pulsing, which seems like a good middleground between being too
sensitive and not being sensitive enough (which would cause visible
stutters in userspace every time a storm occurs).

And just to be extra safe: we don't enable this by default on systems
with MST support. There's too high of a chance of MST support triggering
storm detection, and systems that are new enough to support MST are a
lot less likely to have issues with IRQ storms anyway.

As a note: this patch was tested using a ThinkPad T450s and a Chamelium
to simulate the short IRQ storms.

Changes since v1:
- Don't use two separate thresholds, just make long IRQs count for 10
  each and short IRQs count for 1. This simplifies the code a bit
  - Ville Syrjälä
Changes since v2:
- Document @long_hpd in intel_hpd_irq_storm_detect, no functional
  changes
Changes since v4:
- Remove !! in long_hpd assignment - Ville Syrjälä
- queue_hp = true - Ville Syrjälä

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181106213017.14563-6-lyude@redhat.com
 		2018-11-07 15:12:30 -05:00
..
gvt Merge drm/drm-next into drm-intel-next-queued 2018-11-02 09:01:28 +02:00
selftests drm/i915/selftest: test aligned offsets for 64K 2018-10-31 08:48:46 +00:00
Kconfig - New Drivers 2018-08-20 15:38:44 -07:00
Kconfig.debug drm/i915: Verify power domains after enabling them 2018-08-20 12:13:09 +03:00
Makefile drm/i915/dsi: refactor bitrate calculations in intel_dsi_vbt_init() 2018-10-18 15:15:27 +03:00
dvo.h
…
dvo_ch7xxx.c drm/i915/dvo: switch to kernel unsigned int types 2018-06-18 14:45:58 +03:00
dvo_ch7017.c drm/i915/dvo: switch to kernel unsigned int types 2018-06-18 14:45:58 +03:00
dvo_ivch.c drm/i915/dvo: switch to kernel unsigned int types 2018-06-18 14:45:58 +03:00
dvo_ns2501.c drm/i915/dvo: switch to kernel unsigned int types 2018-06-18 14:45:58 +03:00
dvo_sil164.c drm/i915/dvo: switch to kernel unsigned int types 2018-06-18 14:45:58 +03:00
dvo_tfp410.c drm/i915/dvo: switch to kernel unsigned int types 2018-06-18 14:45:58 +03:00
i915_cmd_parser.c drm/i915/cmdparser: Do not check past the cmd length. 2018-02-06 11:41:40 -08:00
i915_debugfs.c drm/i915: Add short HPD IRQ storm detection for non-MST systems 2018-11-07 15:12:30 -05:00
i915_drv.c drm/i915/icl: Fix DC9 Suspend for ICL. 2018-11-01 11:21:26 -07:00
i915_drv.h drm/i915: Add short HPD IRQ storm detection for non-MST systems 2018-11-07 15:12:30 -05:00
i915_gem.c mm, drm/i915: mark pinned shmemfs pages as unevictable 2018-11-07 15:28:32 +00:00
i915_gem.h drm/i915: GEM_WARN_ON considered harmful 2018-10-18 10:10:12 +01:00
i915_gem_batch_pool.c drm/i915: Change parameters order in i915_gem_batch_pool_init 2018-03-09 22:21:41 +00:00
i915_gem_batch_pool.h drm/i915: Change parameters order in i915_gem_batch_pool_init 2018-03-09 22:21:41 +00:00
i915_gem_clflush.c drm/i915: Remove unecessary dma_fence_ops 2018-08-17 11:22:15 +02:00
i915_gem_clflush.h
…
i915_gem_context.c drm/i915: Add ppgtt to GVT GEM context 2018-10-19 12:23:45 +01:00
i915_gem_context.h drm/i915/execlists: Flush the CS events before unpinning 2018-10-03 14:27:16 +01:00
i915_gem_dmabuf.c dma-buf: remove kmap_atomic interface 2018-06-20 15:59:34 +02:00
i915_gem_evict.c drm/i915: Provide a timeout to i915_gem_wait_for_idle() 2018-07-09 13:55:41 +01:00
i915_gem_execbuffer.c drm/i915: Compare user's 64b GTT offset even on 32b 2018-10-26 09:20:05 +01:00
i915_gem_fence_reg.c drm/i915: Use INTEL_GEN everywhere 2018-02-09 22:29:02 +00:00
i915_gem_fence_reg.h
…
i915_gem_gtt.c drm/i915/gtt: Revert "Disable read-only support under GVT" 2018-10-31 08:37:45 +00:00
i915_gem_gtt.h drm/i915: Mark pin flags as u64 2018-11-02 20:28:26 +00:00
i915_gem_internal.c drm: move read_domains and write_domain into i915 2018-02-16 14:12:48 +00:00
i915_gem_object.c
…
i915_gem_object.h drm/i915: Mark up object tiling-and-stride getters as const 2018-07-26 12:31:02 +01:00
i915_gem_render_state.c drm/i915: Start returning an error from i915_vma_move_to_active() 2018-07-06 18:22:37 +01:00
i915_gem_render_state.h drm/i915: Rename drm_i915_gem_request to i915_request 2018-02-21 20:57:22 +00:00
i915_gem_shrinker.c drm/i915: Introduce i915_address_space.mutex 2018-07-11 13:56:16 +01:00
i915_gem_stolen.c drm/i915: pass dev_priv to i915_gem_cleanup_stolen 2018-09-20 16:43:17 +01:00
i915_gem_tiling.c drm/i915: Refactor common list iteration over GGTT vma 2017-12-07 23:26:55 +00:00
i915_gem_userptr.c mm, oom: distinguish blockable mode for mmu notifiers 2018-08-22 10:52:44 -07:00
i915_gemfs.c drm/i915: Disable THP until we have a GPU read BW W/A 2017-11-30 10:11:49 +02:00
i915_gemfs.h
…
i915_gpu_error.c drm/i915: Clear the error PTE just once on finish 2018-10-03 11:42:26 +01:00
i915_gpu_error.h drm/i915: Handle incomplete Z_FINISH for compressed error states 2018-10-03 11:39:31 +01:00
i915_ioc32.c drm/i915: Clean up ancient doc comments for i915_ioc32.c 2018-02-15 16:22:21 +00:00
i915_irq.c drm/i915: Add short HPD IRQ storm detection for non-MST systems 2018-11-07 15:12:30 -05:00
i915_memcpy.c drm/i915: Do not enable movntdqa optimization in hypervisor guest 2017-12-22 11:12:15 +00:00
i915_mm.c
…
i915_oa_bdw.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_bdw.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_bxt.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_bxt.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_cflgt2.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_cflgt2.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_cflgt3.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_cflgt3.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_chv.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_chv.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_cnl.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_cnl.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_glk.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_glk.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_hsw.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_hsw.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_icl.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_icl.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_kblgt2.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_kblgt2.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_kblgt3.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_kblgt3.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_sklgt2.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_sklgt2.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_sklgt3.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_sklgt3.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_sklgt4.c drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_oa_sklgt4.h drm/i915/perf: update generated files headers 2018-10-23 15:09:16 +01:00
i915_params.c drm/i915: Ensure _print_param() builds with Clang 2018-10-17 09:55:21 +03:00
i915_params.h drm/i915: Remove i915.enable_ppgtt override 2018-09-27 12:05:31 +01:00
i915_pci.c drm/i915: remove palette_offsets from device info in favor of _PICK() 2018-11-02 09:16:33 +02:00
i915_perf.c drm/i915/perf: Fix warning in documentation 2018-10-24 13:57:18 +01:00
i915_pmu.c drm pull for 4.19-rc1 2018-08-15 17:39:07 -07:00
i915_pmu.h drm/i915/pmu: Do not assume fixed hrtimer period 2018-06-05 16:45:01 +01:00
i915_pvinfo.h - Ice Lake's display enabling patches (Jose, Mahesh, Dhinakaran, Paulo, Manasi, Anusha, Arkadiusz) 2018-06-07 10:24:50 +08:00
i915_query.c drm/i915: Convert to BITS_PER_TYPE 2018-09-26 13:32:03 +01:00
i915_query.h drm/i915: add query uAPI 2018-03-08 10:07:18 +00:00
i915_reg.h drm/i915/icl: Define Plane Input CSC Coefficient Registers 2018-11-06 12:28:26 +01:00
i915_request.c drm/i915: Park signaling thread while wrapping the seqno 2018-10-26 12:37:13 +01:00
i915_request.h drm/i915: Priority boost for waiting clients 2018-10-01 20:34:24 +01:00
i915_scheduler.c drm/i915: Priority boost for waiting clients 2018-10-01 20:34:24 +01:00
i915_scheduler.h drm/i915: Priority boost for waiting clients 2018-10-01 20:34:24 +01:00
i915_selftest.h drm/i915/selftests: Downgrade igt_timeout message 2018-07-16 11:23:45 +01:00
i915_suspend.c
…
i915_sw_fence.c drm/i915: Include fence-hint for timeout warning 2018-09-14 14:28:32 +01:00
i915_sw_fence.h
…
i915_syncmap.c drm/i915: Convert to BITS_PER_TYPE 2018-09-26 13:32:03 +01:00
i915_syncmap.h
…
i915_sysfs.c drm/i915: Kick the rps worker when changing the boost frequency 2018-03-12 11:24:49 -07:00
i915_timeline.c drm/i915: Split i915_gem_timeline into individual timelines 2018-05-02 23:57:18 +01:00
i915_timeline.h drm/i915: Replace nested subclassing with explicit subclasses 2018-07-07 08:09:43 +01:00
i915_trace.h drm/i915/ringbuffer: Fix context restore upon reset 2018-06-11 14:03:47 +01:00
i915_trace_points.c
…
i915_utils.h drm/i915: Convert to BITS_PER_TYPE 2018-09-26 13:32:03 +01:00
i915_vgpu.c drm/i915/gtt: Rename i915_hw_ppgtt base member 2018-06-05 21:11:20 +01:00
i915_vgpu.h drm/i915: Add new vGPU cap info bit VGT_CAPS_HUGE_GTT 2018-06-05 16:57:01 +03:00
i915_vma.c drm/i915: GEM_WARN_ON considered harmful 2018-10-18 10:10:12 +01:00
i915_vma.h drm/i915: Fix gtt_view asserts 2018-08-28 18:49:33 +03:00
icl_dsi.c drm/i915/icl: Find DSI presence for ICL 2018-11-01 12:23:40 +02:00
intel_acpi.c drm/i915/dsm: remove unnecessary dsm priv structure 2018-06-14 15:59:09 +03:00
intel_atomic.c drm/i915: Prefer IS_GEN<n> check with bitmask. 2018-10-29 10:44:11 -07:00
intel_atomic_plane.c drm/i915/gen11: Link nv12 Y and UV planes in the atomic state, v5. 2018-10-24 10:29:28 +02:00
intel_audio.c drm/i915/hdmi: Add HDMI 2.0 audio clock recovery N values 2018-10-26 09:54:16 +03:00
intel_bios.c drm/i915: Move intel_aux_ch() to intel_bios.c 2018-11-02 01:23:58 +02:00
intel_bios.h
…
intel_breadcrumbs.c drm/i915: Pull seqno started checks together 2018-08-07 12:43:00 +01:00
intel_cdclk.c drm/i915/glk: Remove 99% limitation. 2018-10-29 10:44:16 -07:00
intel_color.c drm/i915: Add CRTC output format YCBCR 4:4:4 2018-10-15 16:01:50 +03:00
intel_connector.c drm/i915: rename and move intel_get_pipe_from_connector() 2018-10-17 09:36:43 +03:00
intel_crt.c drm/i915: Introduce CRTC output format 2018-10-15 16:01:49 +03:00
intel_csr.c drm/i915/csr: fix spelling mistake "firmare" -> "firmware" 2018-11-07 15:31:58 +00:00
intel_ddi.c drm/i915/icl: Configure MG DP mode for HDMI ports too 2018-11-05 15:54:50 +02:00
intel_device_info.c drm/i915: Prefer IS_GEN<n> check with bitmask. 2018-10-29 10:44:11 -07:00
intel_device_info.h drm/i915: remove palette_offsets from device info in favor of _PICK() 2018-11-02 09:16:33 +02:00
intel_display.c drm/i915: Nuke posting reads from plane update/disable funcs 2018-11-07 20:25:20 +02:00
intel_display.h drm/i915/gen11: Enable 6 sprites on gen11 2018-10-24 10:28:44 +02:00
intel_dp.c drm/i915/icl: Configure MG DP mode for HDMI ports too 2018-11-05 15:54:50 +02:00
intel_dp_aux_backlight.c drm/i915/backlight: switch to kernel unsigned int types 2018-06-18 14:46:04 +03:00
intel_dp_link_training.c drm/i915/dp: Link train Fallback on eDP only if fallback link BW can fit panel's native mode 2018-10-17 18:23:59 -07:00
intel_dp_mst.c drm/i915: Fix possible race in intel_dp_add_mst_connector() 2018-11-07 15:10:11 -05:00
intel_dpio_phy.c drm/i915: Get rid of crtc->config in chv_data_lane_soft_reset 2018-10-05 15:19:08 +02:00
intel_dpll_mgr.c drm/i915/icl: Fix crash when getting DPLL of a MST encoder in TC ports 2018-10-31 15:25:05 -07:00
intel_dpll_mgr.h drm/i915/icl: Refactor icl pll functions 2018-10-16 09:00:58 -07:00
intel_drv.h drm/i915/icl: Configure MG DP mode for HDMI ports too 2018-11-05 15:54:50 +02:00
intel_dsi.c drm/i915/dsi: move connector mode functions to common file 2018-10-31 11:33:29 +02:00
intel_dsi.h drm/i915/icl: Program HS_TX_TIMEOUT/LP_RX_TIMEOUT/TA_TIMEOUT registers 2018-10-31 13:17:30 +02:00
intel_dsi_dcs_backlight.c
…
intel_dsi_vbt.c drm/i915/icl: Don't wait for empty FIFO 2018-11-01 12:24:56 +02:00
intel_dvo.c drm/i915: Introduce CRTC output format 2018-10-15 16:01:49 +03:00
intel_engine_cs.c drm/i915: Prefer IS_GEN<n> check with bitmask. 2018-10-29 10:44:11 -07:00
intel_fbc.c drm/i915: Prefer IS_GEN<n> check with bitmask. 2018-10-29 10:44:11 -07:00
intel_fbdev.c drm/i915: Use crtc->state in intel_fbdev_init_bios 2018-10-05 15:18:38 +02:00
intel_fifo_underrun.c
…
intel_frontbuffer.c drm/i915/psr: Nuke PSR support for VLV and CHV 2018-05-24 16:05:19 +03:00
intel_frontbuffer.h
…
intel_gpu_commands.h drm/i915: Split GPU commands definitions into separate header 2018-03-15 10:00:03 +00:00
intel_guc.c drm/i915/guc: Limit number of scratch registers used for H2G 2018-10-22 12:36:49 +01:00
intel_guc.h drm/i915/guc: init GuC descriptors after GuC load 2018-10-04 07:29:47 +01:00
intel_guc_ads.c drm/i915: Pull unpin map into vma release 2018-07-24 09:55:12 +01:00
intel_guc_ads.h drm/i915/guc : Decoupling ADS and logs from submission 2018-01-03 14:02:10 +00:00
intel_guc_ct.c drm/i915: Pull unpin map into vma release 2018-07-24 09:55:12 +01:00
intel_guc_ct.h drm/i915/guc: Prepare to process incoming requests from CT 2018-03-28 20:35:17 +01:00
intel_guc_fw.c drm/i915/guc: Propagate the fw xfer timeout 2018-10-23 17:12:22 +01:00
intel_guc_fw.h drm/i915/guc: Move firmware selection to init_early 2017-12-06 14:41:47 +00:00
intel_guc_fwif.h drm/i915/guc: doorbell checking cleanup 2018-10-23 09:42:25 +01:00
intel_guc_log.c drm/i915: Pull unpin map into vma release 2018-07-24 09:55:12 +01:00
intel_guc_log.h drm/i915/guc: Add support for define guc_log_size in megabytes. 2018-06-12 15:44:47 +01:00
intel_guc_reg.h drm/i915/guc: doorbell checking cleanup 2018-10-23 09:42:25 +01:00
intel_guc_submission.c drm/i915/guc: doorbell checking cleanup 2018-10-23 09:42:25 +01:00
intel_guc_submission.h drm/i915/selftests: ring all doorbells in igt_guc_doorbells 2018-08-28 13:41:27 +01:00
intel_gvt.c drm/i915: Unwind HW init after GVT setup failure 2018-07-10 16:46:09 +01:00
intel_gvt.h
…
intel_hangcheck.c drm/i915: Pull seqno started checks together 2018-08-07 12:43:00 +01:00
intel_hdcp.c drm/i915: Reassigning log level for HDCP failures 2018-10-29 16:14:58 +01:00
intel_hdmi.c drm/i915: Allow "max bpc" property to limit pipe_bpp 2018-11-02 09:16:03 -07:00
intel_hotplug.c drm/i915: Add short HPD IRQ storm detection for non-MST systems 2018-11-07 15:12:30 -05:00
intel_huc.c drm/i915/huc: Normalize HuC status returned by I915_PARAM_HAS_HUC 2018-10-18 10:20:08 +01:00
intel_huc.h drm/i915/uc: Fetch GuC/HuC firmwares from guc/huc specific init 2018-06-28 22:51:33 +01:00
intel_huc_fw.c drm/i915/uc: Fetch uC firmware in init_early 2018-03-23 17:03:24 +00:00
intel_huc_fw.h drm/i915/uc: Make GuC/HuC fw fetch and loading functions/file structure symmetric 2018-03-02 09:04:45 +00:00
intel_i2c.c drm/i915: remove confusing GPIO vs PCH_GPIO 2018-08-16 11:52:08 -07:00
intel_lpe_audio.c drm/i915: Don't oops during modeset shutdown after lpe audio deinit 2018-11-06 15:17:26 +02:00
intel_lrc.c drm/i915: GEM_WARN_ON considered harmful 2018-10-18 10:10:12 +01:00
intel_lrc.h drm/i915: Remove superfluous GEN8_LR_CONTEXT_ALIGN 2018-07-27 11:30:42 +01:00
intel_lrc_reg.h drm/i915/execlists: Terminate the context image with BB_END 2018-08-01 17:03:31 +01:00
intel_lspcon.c drm/i915: Add YCBCR 4:2:0/4:4:4 support for LSPCON 2018-10-15 16:03:21 +03:00
intel_lvds.c drm/i915: Introduce CRTC output format 2018-10-15 16:01:49 +03:00
intel_mocs.c drm/i915: Remove useless error return from intel_init_mocs_engine() 2018-08-15 23:25:43 +01:00
intel_mocs.h drm/i915: Remove useless error return from intel_init_mocs_engine() 2018-08-15 23:25:43 +01:00
intel_opregion.c drm/i915: Stop calling intel_opregion unregister/register in suspend/resume 2018-10-30 11:52:54 +00:00
intel_opregion.h drm/i915: Stop calling intel_opregion unregister/register in suspend/resume 2018-10-30 11:52:54 +00:00
intel_overlay.c drm/i915/overlay: Allocate physical registers from stolen 2018-09-11 08:24:03 -07:00
intel_panel.c drm/i915: Use intel_panel_actually_set_backlight() to disable PWM backlight 2018-10-31 23:44:55 +02:00
intel_pipe_crc.c Merge drm/drm-next into drm-misc-next 2018-08-27 10:00:03 -04:00
intel_pm.c drm/i915/icl: Add WaEnable32PlaneMode 2018-11-01 12:28:52 -07:00
intel_psr.c drm/i915: Prefer IS_GEN<n> check with bitmask. 2018-10-29 10:44:11 -07:00
intel_quirks.c drm/i915/quirks: pass dev_priv instead of drm dev to quirk code 2018-10-18 13:40:13 +03:00
intel_renderstate.h
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intel_renderstate_gen6.c
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intel_renderstate_gen7.c
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intel_renderstate_gen8.c
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intel_renderstate_gen9.c
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intel_ringbuffer.c drm/i915/ringbuffer: Delay after EMIT_INVALIDATE for gen4/gen5 2018-11-07 15:31:45 +00:00
intel_ringbuffer.h drm/i915/ringbuffer: change header SPDX identifier to MIT 2018-10-31 11:57:11 +02:00
intel_runtime_pm.c drm/i915: Configure AUX_CH_CTL when enabling the AUX power domain 2018-11-02 01:24:03 +02:00
intel_sdvo.c drm/i915/sdvo: Utilize intel_panel for fixed_mode 2018-10-23 18:26:15 +03:00
intel_sdvo_regs.h
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intel_sideband.c
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intel_sprite.c drm/i915: Clean up skl_program_scaler() 2018-11-07 20:26:41 +02:00
intel_tv.c drm/i915: Introduce CRTC output format 2018-10-15 16:01:49 +03:00
intel_uc.c drm/i915/guc: Fix Gen9 GuC loading workarounds 2018-10-17 09:08:00 +01:00
intel_uc.h drm/i915/uc: Fetch uC firmware in init_early 2018-03-23 17:03:24 +00:00
intel_uc_fw.c drm/i915/guc: Move the pin bias value from GuC to GGTT 2018-07-27 16:03:41 +01:00
intel_uc_fw.h drm/i915/guc: init GuC descriptors after GuC load 2018-10-04 07:29:47 +01:00
intel_uncore.c drm/i915: uncore_fw_domains_init sort platforms newer-to-older 2018-10-22 14:40:43 -07:00
intel_uncore.h drm/i915: Restore user forcewake domains across suspend 2018-08-15 13:41:05 -07:00
intel_vbt_defs.h drm/i915/vbt: switch to kernel unsigned int types 2018-06-18 14:44:52 +03:00
intel_wopcm.c drm/i915: Add a fault injection point to WOPCM init 2018-07-27 16:07:45 +01:00
intel_wopcm.h drm/i915/guc: Check the locking status of GuC WOPCM registers 2018-03-14 15:35:37 +02:00
intel_workarounds.c drm/i915/icl: WaAllowUMDToModifySamplerMode 2018-11-01 12:28:54 -07:00
intel_workarounds.h drm/i915: Check whitelist registers across resets 2018-04-14 18:36:45 +01:00
vlv_dsi.c drm/i915/dsi: move connector mode functions to common file 2018-10-31 11:33:29 +02:00
vlv_dsi_pll.c drm/i915/dsi: use vlv and bxt prefixes for the global DSI functions 2018-07-06 10:54:05 +03:00