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91e5649930
linux_dsm_epyc7002/drivers/gpu/drm/i915
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Chris Wilson 91e5649930 drm/i915: Flush the PTEs after updating them before suspend 
As we use WC updates of the PTE, we are responsible for notifying the
hardware when to flush its TLBs. Do so after we zap all the PTEs before
suspend (and the BIOS tries to read our GTT).

Fixes a regression from

commit 828c79087c
Author: Ben Widawsky <benjamin.widawsky@intel.com>
Date:   Wed Oct 16 09:21:30 2013 -0700

    drm/i915: Disable GGTT PTEs on GEN6+ suspend

that survived and continue to cause harm even after

commit e568af1c62
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Wed Mar 26 20:08:20 2014 +0100

    drm/i915: Undo gtt scratch pte unmapping again

v2: Trivial rebase.
v3: Fixes requires pointer dances.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82340
Tested-by: ming.yao@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Todd Previte <tprevite@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-09-29 16:41:17 +03:00
..
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: Don't leak command parser tables on suspend/resume 2014-09-23 14:50:01 +03:00
i915_debugfs.c Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next 2014-07-29 20:49:36 +02:00
i915_dma.c drm/i915: Fix irq enable tracking in driver load 2014-09-08 09:15:04 +03:00
i915_drv.c drm/i915: make sure VDD is turned off during system suspend 2014-08-18 16:49:36 +03:00
i915_drv.h drm/i915: Prevent recursive deadlock on releasing a busy userptr 2014-09-08 08:38:49 +03:00
i915_gem_context.c drm/i915: Reorder ctx unref on ppgtt cleanup 2014-07-23 07:05:39 +02:00
i915_gem_debug.c
i915_gem_dmabuf.c dma-buf: use reservation objects 2014-07-08 13:03:20 -07:00
i915_gem_evict.c drm/i915: Prevent negative relocation deltas from wrapping 2014-05-27 11:18:40 +03:00
i915_gem_execbuffer.c Revert "drm: drop redundant drm_file->is_master" 2014-08-08 07:30:53 +10:00
i915_gem_gtt.c drm/i915: Flush the PTEs after updating them before suspend 2014-09-29 16:41:17 +03:00
i915_gem_gtt.h drm/i915: Added write-enable pte bit supportt 2014-06-17 09:21:47 +02:00
i915_gem_render_state.c drm/i915: fix freeze with blank screen booting highmem 2014-07-22 08:10:36 +02:00
i915_gem_stolen.c Linux 3.16 2014-08-05 09:04:59 +10:00
i915_gem_tiling.c
i915_gem_userptr.c drm/i915: Prevent recursive deadlock on releasing a busy userptr 2014-09-08 08:38:49 +03:00
i915_gem.c drm/i915: Fix EIO/wedged handling in gem fault handler 2014-09-08 08:38:50 +03:00
i915_gpu_error.c drm/i915: Fix DEIER and GTIER collecting for BDW. 2014-08-07 14:04:08 +02:00
i915_ioc32.c drm: Remove DRM_ARRAY_SIZE() for ARRAY_SIZE() 2014-06-10 09:36:17 +10:00
i915_irq.c drm/i915: fix HPD IRQ reenable work cancelation 2014-08-18 16:16:00 +03:00
i915_params.c Revert "drm/i915: Enable PSR by default." 2014-08-08 11:48:26 -10:00
i915_reg.h drm/i915: Evict CS TLBs between batches 2014-09-08 16:45:03 +03:00
i915_suspend.c drm/i915: disable GT power saving early during system suspend 2014-05-22 21:53:27 +02:00
i915_sysfs.c drm/i915/chv: calculate rc6 residency correctly 2014-07-12 11:13:47 +02:00
i915_trace_points.c
i915_trace.h drm/i915: s/intel_ring_buffer/intel_engine_cs 2014-05-22 23:01:05 +02:00
i915_ums.c
intel_acpi.c
intel_bios.c drm/i915: Remove bogus __init annotation from DMI callbacks 2014-08-28 09:54:27 +03:00
intel_bios.h drm/i915: Detect if MIPI panel based on VBT and initialize only if present 2014-06-05 08:52:33 +02:00
intel_crt.c drm/i915: Remove bogus __init annotation from DMI callbacks 2014-08-28 09:54:27 +03:00
intel_ddi.c Merge tag 'drm-intel-next-2014-07-25-merged' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-08-04 17:57:34 +10:00
intel_display.c drm/i915: Move intel_ddi_set_vc_payload_alloc(false) to haswell_crtc_disable() 2014-08-26 15:01:18 +03:00
intel_dp_mst.c drm/i915: fix build without fbdev. 2014-07-22 20:11:29 +10:00
intel_dp.c drm/i915: Add limited color range readout for HDMI/DP ports on g4x/vlv/chv 2014-09-18 14:52:14 +03:00
intel_drv.h drm/i915: make sure VDD is turned off during system suspend 2014-08-18 16:49:36 +03:00
intel_dsi_cmd.c drm/i915: wait for all DSI FIFOs to be empty 2014-08-07 11:07:15 +02:00
intel_dsi_cmd.h drm/i915: wait for all DSI FIFOs to be empty 2014-08-07 11:07:15 +02:00
intel_dsi_panel_vbt.c drm/i915: Fix checkpatch errors 2014-06-11 16:57:33 +02:00
intel_dsi_pll.c drm/i915: Add correct hw/sw config check for DSI encoder 2014-08-07 11:07:17 +02:00
intel_dsi.c drm/i915: Add correct hw/sw config check for DSI encoder 2014-08-07 11:07:17 +02:00
intel_dsi.h drm/i915: Add correct hw/sw config check for DSI encoder 2014-08-07 11:07:17 +02:00
intel_dvo.c Merge tag 'drm-intel-next-2014-06-20' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-07-09 10:38:42 +10:00
intel_fbdev.c drm/i915: fix initial fbdev setup warnings 2014-07-24 10:27:42 +10:00
intel_hdmi.c drm/i915/hdmi: fix hdmi audio state readout 2014-09-23 16:36:12 +03:00
intel_i2c.c drm/i915: Kill duplicated cdclk readout code from i2c 2014-07-07 11:27:52 +02:00
intel_lvds.c drm/i915: Remove bogus __init annotation from DMI callbacks 2014-08-28 09:54:27 +03:00
intel_modes.c
intel_opregion.c Linux 3.16 2014-08-05 09:04:59 +10:00
intel_overlay.c drm/i915: use helpers 2014-07-18 14:25:15 +10:00
intel_panel.c drm/i915: don't warn if backlight unexpectedly enabled 2014-08-27 11:23:10 +03:00
intel_pm.c Merge tag 'drm-intel-fixes-2014-08-08' of git://anongit.freedesktop.org/drm-intel 2014-08-08 10:24:36 -07:00
intel_renderstate_gen6.c drm/i915: Simplify processing of the golden render context state 2014-06-16 19:53:09 +02:00
intel_renderstate_gen7.c drm/i915: Simplify processing of the golden render context state 2014-06-16 19:53:09 +02:00
intel_renderstate_gen8.c drm/i915: Simplify processing of the golden render context state 2014-06-16 19:53:09 +02:00
intel_renderstate.h drm/i915: Simplify processing of the golden render context state 2014-06-16 19:53:09 +02:00
intel_ringbuffer.c drm/i915: Fix SRC_COPY width on 830/845g 2014-09-15 09:55:52 +03:00
intel_ringbuffer.h drm/i915: Don't accumulate hangcheck score on forward progress 2014-08-07 14:04:07 +02:00
intel_sdvo_regs.h
intel_sdvo.c Merge tag 'topic/core-stuff-2014-06-30' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-07-08 11:04:35 +10:00
intel_sideband.c drm/i915: vlv/chv: fix DSI sideband register accessing 2014-05-19 17:50:14 +02:00
intel_sprite.c Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next 2014-07-29 20:49:36 +02:00
intel_tv.c drm/i915: Wait for vblank before enabling the TV encoder 2014-09-08 18:07:08 +03:00
intel_uncore.c drm/i915: BDW can also detect unclaimed registers 2014-07-23 07:05:37 +02:00
Kconfig drm/i915: Ditch UMS config option 2014-07-24 10:59:53 +02:00
Makefile drm/i915: add DP 1.2 MST support (v0.7) 2014-07-22 11:20:26 +10:00