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alistair23-linux/drivers/gpu/drm/i915
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Chris Wilson 4e5462ee84 drm/i915: Store a permanent error in obj->mm.pages 
Once the object has been truncated, it is unrecoverable. To facilitate
detection of this state store the error in obj->mm.pages.

This is required for the next patch which should be applied to v4.10
(via stable), so we also need to mark this patch for backporting. In
that regard, let's consider this to be a fix/improvement too.

v2: Avoid dereferencing the ERR_PTR when freeing the object.

Fixes: 1233e2db19 ("drm/i915: Move object backing storage manipulation to its own locking")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: <stable@vger.kernel.org> # v4.10+
Link: http://patchwork.freedesktop.org/patch/msgid/20170307132031.32461-1-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
 		2017-03-07 21:25:38 +00:00
..
gvt Merge airlied/drm-next into drm-misc-next 2017-02-27 09:30:11 +01:00
selftests drm/i915: Split breadcrumbs spinlock into two 2017-03-03 20:19:13 +00:00
Kconfig drm/i915: Support explicit fencing for execbuf 2017-01-27 19:55:48 +00:00
Kconfig.debug drm/i915/tracepoints: Add request submit and execute tracepoints 2017-02-21 13:18:14 +00:00
Makefile drm/i915/dsi: rename intel_dsi_panel_vbt.c to intel_dsi_vbt.c 2017-03-07 15:18:24 +02:00
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
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dvo_sil164.c
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dvo_tfp410.c
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i915_cmd_parser.c drm/i915: Consolidate checks for memcpy-from-wc support 2017-01-06 16:02:07 +00:00
i915_debugfs.c drm/i915: Flush idle work when changing missed-irq fault injection 2017-03-07 16:52:28 +00:00
i915_drv.c Merge airlied/drm-next into drm-misc-next 2017-02-27 09:30:11 +01:00
i915_drv.h drm/i915: No need to save/restore irq status in __i915_request_irq_complete 2017-03-07 07:17:51 +00:00
i915_gem.c drm/i915: Store a permanent error in obj->mm.pages 2017-03-07 21:25:38 +00:00
i915_gem.h drm/i915: Rename conditional GEM execution macros 2017-02-10 21:43:43 +00:00
i915_gem_batch_pool.c drm/i915: Use reservation_object_lock() 2017-02-21 12:48:51 +00:00
i915_gem_batch_pool.h
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i915_gem_clflush.c drm/i915: Remove 'retire' parameter from intel_fb_obj_flush 2017-02-22 12:12:17 +00:00
i915_gem_clflush.h drm/i915: Perform object clflushing asynchronously 2017-02-22 12:12:15 +00:00
i915_gem_context.c drm/i915: Reduce context alignment 2017-02-27 16:01:47 +00:00
i915_gem_context.h drm/i915: Reduce context alignment 2017-02-27 16:01:47 +00:00
i915_gem_dmabuf.c drm/i915: Add some mock tests for dmabuf interop 2017-02-13 20:45:50 +00:00
i915_gem_evict.c drm/i915: Remove i915_address_space.start 2017-02-15 10:07:32 +00:00
i915_gem_execbuffer.c drm/i915: Drop spinlocks around adding to the client request list 2017-03-02 22:33:41 +00:00
i915_gem_fence_reg.c drm/i915: Take rpm wakelock for releasing the fence on unbind 2017-03-06 14:38:18 +00:00
i915_gem_fence_reg.h drm/i915: Replace 4096 with PAGE_SIZE or I915_GTT_PAGE_SIZE 2017-01-10 20:54:32 +00:00
i915_gem_gtt.c drm/i915/gtt: Setup vm callbacks late 2017-03-03 16:46:44 +02:00
i915_gem_gtt.h drm/i915: Avoid using word legacy with ppgtt 2017-03-03 16:46:23 +02:00
i915_gem_internal.c Linux 4.10-rc8 2017-02-23 12:10:12 +10:00
i915_gem_object.h drm/i915: Prevent concurrent tiling/framebuffer modifications 2017-03-01 17:57:17 +00:00
i915_gem_render_state.c drm/i915: Remove i915_vma_create from VMA API 2017-01-19 10:17:39 +00:00
i915_gem_render_state.h
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i915_gem_request.c drm/i915: Ensure the engine is idle before manually changing HWS 2017-03-03 13:08:04 +00:00
i915_gem_request.h drm/i915: Drop spinlocks around adding to the client request list 2017-03-02 22:33:41 +00:00
i915_gem_shrinker.c drm/i915: Prevent concurrent tiling/framebuffer modifications 2017-03-01 17:57:17 +00:00
i915_gem_stolen.c drm/i915/gvt: Disable access to stolen memory as a guest 2017-02-16 11:59:13 +02:00
i915_gem_tiling.c drm/i915: Prevent concurrent tiling/framebuffer modifications 2017-03-01 17:57:17 +00:00
i915_gem_timeline.c drm/i915: Assert all timeline requests are gone before fini 2017-01-05 15:34:40 +00:00
i915_gem_timeline.h drm/i915: Keep a global seqno per-engine 2017-02-23 14:49:26 +00:00
i915_gem_userptr.c Linux 4.10-rc2 2017-01-04 11:35:18 +01:00
i915_gpu_error.c drm/i915: Split breadcrumbs spinlock into two 2017-03-03 20:19:13 +00:00
i915_guc_reg.h drm/i915/huc: Add HuC fw loading support 2017-01-19 11:18:55 +02:00
i915_guc_submission.c drm/i915/guc: Disable irq for __i915_guc_submit wq_lock 2017-03-02 15:18:55 +00:00
i915_ioc32.c
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i915_irq.c drm/i915: Split breadcrumbs spinlock into two 2017-03-03 20:19:13 +00:00
i915_memcpy.c
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i915_mm.c
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i915_oa_hsw.c
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i915_oa_hsw.h
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i915_params.c drm/i915: Enable atomic support by default on supported platforms. 2017-02-09 15:56:45 +01:00
i915_params.h drm/i915: Use bool i915_param.alpha_support 2017-02-06 22:37:33 +00:00
i915_pci.c drm/i915: Provide a hook for selftests 2017-02-13 20:45:21 +00:00
i915_perf.c drm/i915: s/assert_spin_locked/lockdep_assert_held/ 2017-03-02 15:18:55 +00:00
i915_pvinfo.h
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i915_reg.h drm/i915: Don't use enums for hardware engine id 2017-03-03 22:54:21 +00:00
i915_selftest.h drm/i915: Use fault-injection to force the shrinker to run in live GTT tests 2017-02-13 20:46:32 +00:00
i915_suspend.c
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i915_sw_fence.c drm/i915: Flush the change in debugobject before reallocation 2017-01-16 12:21:19 +00:00
i915_sw_fence.h
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i915_sysfs.c drm/i915: The return of i915_gpu_info to debugfs 2017-02-14 22:30:22 +00:00
i915_trace.h drm/i915: Add FIFO underrun tracepoints 2017-03-03 16:50:11 +02:00
i915_trace_points.c
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i915_utils.h drm/i915: Sanity check the computed size and base of stolen memory 2017-01-31 11:19:23 +00:00
i915_vgpu.c drm/i915: Remove i915_address_space.start 2017-02-15 10:07:32 +00:00
i915_vgpu.h
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i915_vma.c drm/i915: Remove the vma from the drm_mm if binding fails 2017-02-27 13:10:12 +00:00
i915_vma.h drm/i915: Exercise i915_vma_pin/i915_vma_insert 2017-02-13 20:46:41 +00:00
intel_acpi.c
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intel_atomic.c drm/i915: Skip useless watermark/FIFO related work on VLV/CHV when not needed 2017-03-03 16:50:10 +02:00
intel_atomic_plane.c drm/i915: Add plane update/disable tracepoints 2017-03-03 16:50:10 +02:00
intel_audio.c drm/i915: Start moving the cdclk stuff into a distinct state structure 2017-02-08 18:07:10 +02:00
intel_bios.c drm/i915: Use range_overflows() 2017-01-06 16:02:11 +00:00
intel_bios.h drm/i915/dsi: Fix swapping of MIPI_SEQ_DEASSERT_RESET / MIPI_SEQ_ASSERT_RESET 2016-12-20 16:28:25 +02:00
intel_breadcrumbs.c drm/i915: No need to save/restore irq status in intel_engine_wakeup 2017-03-07 07:17:59 +00:00
intel_cdclk.c drm/i915: remove potentially confusing IS_G4X checks 2017-03-07 14:58:47 -03:00
intel_color.c drm/i915/glk: Load the degamma LUT even in legacy gamma mode 2017-02-17 17:14:28 +02:00
intel_crt.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_csr.c drm/i915/: DMC 1.04 for Geminilake 2017-03-07 09:55:46 +02:00
intel_ddi.c drm/i915: Remove duplicate DDI enabling logic from MST path 2017-03-03 12:32:37 +02:00
intel_device_info.c drm/i915: use BUILD_BUG_ON to ensure platform name has been set up 2017-03-01 13:11:24 +02:00
intel_display.c drm/i915: Avoid clearing the base drm_crtc_state 2017-03-07 11:05:18 +00:00
intel_dp.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_dp_aux_backlight.c
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intel_dp_link_training.c
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intel_dp_mst.c drm/i915: Remove duplicate DDI enabling logic from MST path 2017-03-03 12:32:37 +02:00
intel_dpio_phy.c
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intel_dpll_mgr.c Linux 4.10-rc8 2017-02-23 12:10:12 +10:00
intel_dpll_mgr.h drm/i915: Remove unused function intel_ddi_get_link_dpll() 2017-02-10 11:40:27 +02:00
intel_drv.h drm/i915: move the {skl, bxt}_{i, uni}nit_cdclk declarations 2017-03-07 15:14:28 -03:00
intel_dsi.c drm/i915/dsi: rename intel_dsi_pre_disable to intel_dsi_disable 2017-03-07 15:18:13 +02:00
intel_dsi.h drm/i915/dsi: arrange intel_dsi.h according to relevant files 2017-03-07 15:18:43 +02:00
intel_dsi_dcs_backlight.c
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intel_dsi_pll.c drm/i915/glk: Validate only DSI PORT A PLL divider 2017-02-28 11:54:52 +02:00
intel_dsi_vbt.c drm/i915/dsi: rename intel_dsi_panel_vbt.c to intel_dsi_vbt.c 2017-03-07 15:18:24 +02:00
intel_dvo.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_engine_cs.c drm/i915: Don't use enums for hardware engine id 2017-03-03 22:54:21 +00:00
intel_fbc.c drm/i915: Suppress fbc suggestion to increase stolen if disabled 2017-02-23 22:48:30 +00:00
intel_fbdev.c drm/i915/fbdev: Stop repeating tile configuration on stagnation 2017-02-24 12:25:42 +00:00
intel_fifo_underrun.c drm/i915: Add FIFO underrun tracepoints 2017-03-03 16:50:11 +02:00
intel_frontbuffer.c drm/i915: Remove 'retire' parameter from intel_fb_obj_flush 2017-02-22 12:12:17 +00:00
intel_frontbuffer.h drm/i915: Remove 'retire' parameter from intel_fb_obj_flush 2017-02-22 12:12:17 +00:00
intel_guc_fwif.h drm/i915/huc: Support HuC authentication 2017-01-19 11:19:07 +02:00
intel_guc_loader.c drm/i915/guc: Don't take struct_mutex for object unreference 2017-02-14 22:30:22 +00:00
intel_guc_log.c drm/i915/guc: Move GuC log related functions into dedicated file 2017-01-18 07:29:04 +00:00
intel_gvt.c drm/i915: make intel_gvt_init() later instead of too early 2017-02-07 17:21:06 +08:00
intel_gvt.h
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intel_hangcheck.c drm/i915: Add initial selftests for hang detection and resets 2017-02-13 20:46:53 +00:00
intel_hdmi.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_hotplug.c drm/i915: s/assert_spin_locked/lockdep_assert_held/ 2017-03-02 15:18:55 +00:00
intel_huc.c i915/HuC: Add an extra check for platforms that do not have HUC 2017-03-02 16:15:44 +02:00
intel_i2c.c drm/i915: Introduce IS_GEN9_BC for Skylake and Kabylake. 2017-01-24 10:29:00 -08:00
intel_lrc.c drm/i915: Avoid using word legacy with ppgtt 2017-03-03 16:46:23 +02:00
intel_lrc.h drm/i915: Generalise wait for execlists to be idle 2017-03-03 13:08:15 +00:00
intel_lspcon.c drm/i915/lspcon: Fix resume time initialization due to unasserted HPD 2017-02-16 11:59:10 +02:00
intel_lvds.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_mocs.c drm/i915: Emit to ringbuffer directly 2017-02-14 14:30:46 +00:00
intel_mocs.h
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intel_modes.c
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intel_opregion.c drm/i915: Fix not finding the VBT when it overlaps with OPREGION_ASLE_EXT 2017-02-16 11:59:14 +02:00
intel_overlay.c drm/i915: Emit to ringbuffer directly 2017-02-14 14:30:46 +00:00
intel_panel.c drm/i915: Start moving the cdclk stuff into a distinct state structure 2017-02-08 18:07:10 +02:00
intel_pipe_crc.c drm/i915: s/assert_spin_locked/lockdep_assert_held/ 2017-03-02 15:18:55 +00:00
intel_pm.c drm/i915: Add cxsr toggle tracepoint 2017-03-03 16:50:11 +02:00
intel_psr.c drm/i915/psr: Fix compiler warnings for hsw_psr_disable() 2017-01-18 10:25:01 +00:00
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: Reduce context alignment 2017-02-27 16:01:47 +00:00
intel_ringbuffer.h drm/i915: Don't use enums for hardware engine id 2017-03-03 22:54:21 +00:00
intel_runtime_pm.c drm/i915: Only enable DDI IO power domains after enabling DPLL 2017-02-27 09:09:14 +02:00
intel_sdvo.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_sdvo_regs.h
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intel_sideband.c drm/i915: Distinguish between timeout and error in sideband transactions 2017-02-27 17:22:19 +00:00
intel_sprite.c drm/i915: Complain if we take too long under vblank evasion. 2017-03-06 13:05:18 +01:00
intel_tv.c drm/i915: Store encoder power domain in struct intel_encoder 2017-02-27 09:07:51 +02:00
intel_uc.c drm/i915/guc: Move GuC log related functions into dedicated file 2017-01-18 07:29:04 +00:00
intel_uc.h drm/i915/huc: Support HuC authentication 2017-01-19 11:19:07 +02:00
intel_uncore.c drm/i915: s/assert_spin_locked/lockdep_assert_held/ 2017-03-02 15:18:55 +00:00
intel_vbt_defs.h drm/915: Parsing the missed out DTD fields from the VBT 2016-12-23 15:13:39 +02:00