linux-stable/drivers/gpu/drm/i915
Chris Wilson 62e6300768 drm/i915: Skip idling an idle engine
During suspend (or module unload), if we have never accessed the engine
(i.e. userspace never submitted a batch to it), the engine is idle. Then
we attempt to idle the engine by forcing it to the default context,
which actually means we submit a render batch to setup the golden
context state and then wait for it to complete. We can skip this
entirely as we know the engine is idle.

v2: Drop incorrect comment.

References: https://bugs.freedesktop.org/show_bug.cgi?id=95634
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/1466776558-21516-1-git-send-email-chris@chris-wilson.co.uk
2016-06-24 15:02:16 +01:00
..
gvt drm/i915: gvt: Introduce the basic architecture of GVT-g 2016-06-17 20:35:06 +01:00
Kconfig drm/i915: gvt: Introduce the basic architecture of GVT-g 2016-06-17 20:35:06 +01:00
Kconfig.debug drm/i915: Add GEM debugging Kconfig option 2016-04-14 10:45:40 +01:00
Makefile drm/i915: Split out the PCI driver interface to i915_pci.c 2016-06-24 14:45:37 +01:00
dvo.h
dvo_ch7xxx.c
dvo_ch7017.c
dvo_ivch.c
dvo_ns2501.c
dvo_sil164.c
dvo_tfp410.c
i915_cmd_parser.c drm/i915: Fix a buch of kerneldoc warnings 2016-06-06 13:04:26 +01:00
i915_debugfs.c drm/i915: Register debugfs interface last 2016-06-24 14:43:36 +01:00
i915_drv.c drm/i915: Move module init/exit to i915_pci.c 2016-06-24 14:45:48 +01:00
i915_drv.h drm/i915: Merge i915_dma.c into i915_drv.c 2016-06-24 14:44:44 +01:00
i915_gem.c drm/i915: Skip idling an idle engine 2016-06-24 15:02:16 +01:00
i915_gem.h drm/i915: Add GEM debugging Kconfig option 2016-04-14 10:45:40 +01:00
i915_gem_batch_pool.c drm/i915: Propagate error from drm_gem_object_init() 2016-04-28 12:28:58 +03:00
i915_gem_batch_pool.h
i915_gem_context.c drm/i915: Introduce GVT context creation API 2016-06-17 20:36:43 +01:00
i915_gem_debug.c
i915_gem_dmabuf.c
i915_gem_dmabuf.h drm/i915: Serialise presentation with imported dmabufs 2016-06-17 10:32:26 +01:00
i915_gem_evict.c drm/i915: Store a i915 backpointer from engine, and use it 2016-05-09 13:41:24 +01:00
i915_gem_execbuffer.c drm: Extract drm_is_current_master 2016-06-21 21:58:12 +02:00
i915_gem_fence.c drm/i915: Introduce & use new lightweight SGL iterators 2016-05-20 13:43:00 +01:00
i915_gem_gtt.c drm/i915: Fold vGPU active check into inner functions 2016-06-17 19:44:29 +01:00
i915_gem_gtt.h drm/i915: Add support for mapping an object page by page 2016-06-13 10:03:54 +01:00
i915_gem_render_state.c drm/i915:bxt: Enable Pooled EU support 2016-06-14 10:42:35 +01:00
i915_gem_render_state.h
i915_gem_shrinker.c drm/i915: Store a i915 backpointer from engine, and use it 2016-05-09 13:41:24 +01:00
i915_gem_stolen.c drm/i915/kbl: Add WaSkipStolenMemoryFirstPage for A0 2016-06-08 16:20:23 +03:00
i915_gem_tiling.c Merge branch 'drm-intel-next' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-06-02 07:58:36 +10:00
i915_gem_userptr.c drm/i915: Introduce & use new lightweight SGL iterators 2016-05-20 13:43:00 +01:00
i915_gpu_error.c drm/i915: Replace "INTEL_INFO->gen == x" checks with IS_GENx 2016-05-11 12:27:27 +01:00
i915_guc_reg.h drm/i915/bxt: reserve space for RC6 in the the GuC WOPCM 2016-05-18 12:49:19 +01:00
i915_guc_submission.c drm/i915/guc: Remove one unnecessary variable 2016-06-21 15:43:32 +01:00
i915_ioc32.c
i915_irq.c drm/i915: Fix a buch of kerneldoc warnings 2016-06-06 13:04:26 +01:00
i915_params.c drm/i915: Set the access right of kernel param "i915.enable_gvt" to read-only. 2016-06-21 11:45:27 +01:00
i915_params.h drm/i915: gvt: Introduce the basic architecture of GVT-g 2016-06-17 20:35:06 +01:00
i915_pci.c drm/i915: Move module init/exit to i915_pci.c 2016-06-24 14:45:48 +01:00
i915_pvinfo.h drm/i915: Use offsetof() to calculate the offset of members in PVINFO page 2016-06-17 19:44:25 +01:00
i915_reg.h drm/i915: Make addressing mode bits in context descriptor configurable 2016-06-17 20:35:26 +01:00
i915_suspend.c
i915_sysfs.c drm/i915: Rename struct intel_context 2016-05-24 15:27:14 +01:00
i915_trace.h drm/i915: Rename struct intel_context 2016-05-24 15:27:14 +01:00
i915_trace_points.c
i915_vgpu.c drm/i915: Fold vGPU active check into inner functions 2016-06-17 19:44:29 +01:00
i915_vgpu.h drm/i915: Fold vGPU active check into inner functions 2016-06-17 19:44:29 +01:00
intel_acpi.c
intel_atomic.c drm: Consolidate plane arrays in drm_atomic_state 2016-06-02 17:20:25 +02:00
intel_atomic_plane.c drm/i915: Revert async unpin and nonblocking atomic commit 2016-06-01 09:46:46 +02:00
intel_audio.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2016-05-23 11:48:48 -07:00
intel_bios.c drm/i915: Check VBT for port presence in addition to the strap on VLV/CHV 2016-06-07 18:45:43 +03:00
intel_bios.h drm/i915: Parse LFP brightness control field in VBT 2016-05-02 16:17:38 +03:00
intel_color.c drm: drm_helper_crtc_enable_color_mgmt() => drm_crtc_enable_color_mgmt() 2016-06-07 17:10:49 +03:00
intel_crt.c drm/i915: Move connector registration to driver registration 2016-06-24 14:43:26 +01:00
intel_csr.c drm/i915/kbl: Introduce the first official DMC for Kabylake. 2016-05-05 16:49:01 -07:00
intel_ddi.c drm/i915/bxt: Sanitiy check the PHY lane power down status 2016-06-13 18:46:10 +03:00
intel_display.c drm/i915: Remove user controllable DRM_ERROR for intel_get_pipe_from_crtc_id() 2016-06-24 14:45:12 +01:00
intel_dp.c drm/i915: Move connector registration to driver registration 2016-06-24 14:43:26 +01:00
intel_dp_aux_backlight.c drm/i915: Add Backlight Control using DPCD for eDP connectors (v9) 2016-04-26 15:17:54 +03:00
intel_dp_link_training.c drm/i915: Revert DisplayPort fast link training feature 2016-06-20 12:37:07 +03:00
intel_dp_mst.c drm/i915: Move backlight registration to connector registration 2016-06-24 14:43:14 +01:00
intel_dpio_phy.c drm/i915: Move VLV HDMI lane reset work around logic to intel_dpio_phy.c 2016-04-29 09:59:00 +03:00
intel_dpll_mgr.c drm/i915: Use crtc->name in debug messages 2016-05-30 17:01:16 +03:00
intel_dpll_mgr.h
intel_drv.h drm/i915: Move backlight registration to connector registration 2016-06-24 14:43:14 +01:00
intel_dsi.c drm/i915: Move connector registration to driver registration 2016-06-24 14:43:26 +01:00
intel_dsi.h drm/i915/dsi: CABC support for Panel PWM backlight control 2016-05-17 16:12:39 +03:00
intel_dsi_dcs_backlight.c drm/i915/dsi: CABC support for Panel PWM backlight control 2016-05-17 16:12:39 +03:00
intel_dsi_panel_vbt.c drm/i915/dsi: add support for gpio elements on CHV 2016-04-27 09:48:17 +03:00
intel_dsi_pll.c drm/i915: Eliminate {vlv,bxt}_configure_dsi_pll() 2016-04-15 16:25:27 +03:00
intel_dvo.c drm/i915: Move connector registration to driver registration 2016-06-24 14:43:26 +01:00
intel_fbc.c drm/i915/fbc: sanitize i915.enable_fbc during FBC init 2016-06-20 17:47:30 -03:00
intel_fbdev.c drm/i915/fbdev: Flush mode configuration before lastclose 2016-06-21 09:36:56 +01:00
intel_fifo_underrun.c
intel_frontbuffer.c
intel_guc.h drm/i915/guc: index host arrays by i915 engine ID, not guc_id 2016-06-21 11:24:25 +01:00
intel_guc_fwif.h drm/i915/guc: rework guc_add_workqueue_item() 2016-05-23 14:21:53 +01:00
intel_guc_loader.c drm/i915/guc: prefer 'dev_priv' to 'dev' for intra-module functions 2016-06-13 16:47:39 +01:00
intel_gvt.c drm/i915/gvt: Mark i915.enable_gvt as false if loading fails 2016-06-21 12:40:13 +01:00
intel_gvt.h drm/i915: gvt: Introduce the basic architecture of GVT-g 2016-06-17 20:35:06 +01:00
intel_hdmi.c drm/i915: Move connector registration to driver registration 2016-06-24 14:43:26 +01:00
intel_hotplug.c drm/i915: Small display interrupt handlers tidy 2016-05-09 13:38:16 +01:00
intel_i2c.c
intel_lrc.c drm/i915: Small compaction of the engine init code 2016-06-24 12:09:00 +01:00
intel_lrc.h drm/i915: Introduce execlist context status change notification 2016-06-17 20:36:19 +01:00
intel_lvds.c drm/i915: Move connector registration to driver registration 2016-06-24 14:43:26 +01:00
intel_mocs.c drm/i915/mocs: || vs | typo in get_mocs_settings() 2016-06-13 17:38:01 +03:00
intel_mocs.h drm/i915/mocs: Program MOCS for all engines on init 2016-04-14 10:45:40 +01:00
intel_modes.c
intel_opregion.c drm/i915/opregion: Rename init/fini functions to register/unregister 2016-05-23 16:35:50 +01:00
intel_overlay.c Merge branch 'drm-intel-next' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-06-02 07:58:36 +10:00
intel_panel.c drm/i915: Move backlight registration to connector registration 2016-06-24 14:43:14 +01:00
intel_pm.c drm/i915: Set softmin frequency on idle->busy transition 2016-06-21 11:39:42 +01:00
intel_psr.c drm/i915/psr: Try to program link training times correctly 2016-05-23 15:10:25 +03:00
intel_renderstate.h
intel_renderstate_gen6.c
intel_renderstate_gen7.c
intel_renderstate_gen8.c
intel_renderstate_gen9.c
intel_ringbuffer.c drm/i915/bxt: Add WaDisablePooledEuLoadBalancingFix 2016-06-14 10:44:07 +01:00
intel_ringbuffer.h drm/i915: Rename struct intel_context 2016-05-24 15:27:14 +01:00
intel_runtime_pm.c drm/i915/bxt: Fix PPS lost state after suspend breaking eDP link training 2016-06-22 19:15:41 +03:00
intel_sdvo.c drm/i915: Move connector registration to driver registration 2016-06-24 14:43:26 +01:00
intel_sdvo_regs.h
intel_sideband.c
intel_sprite.c drm/i915: Signal drm events for atomic 2016-06-16 14:28:34 +02:00
intel_tv.c drm/i915: Move connector registration to driver registration 2016-06-24 14:43:26 +01:00
intel_uncore.c drm/i915/guc: distinguish HAS_GUC() from HAS_GUC_UCODE/HAS_GUC_SCHED 2016-05-23 14:21:52 +01:00
intel_vbt_defs.h drm/i915: Extract physical display dimensions from VBT 2016-06-02 14:33:09 +03:00