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kernel_arpi/drivers/gpu/drm/i915
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Ville Syrjälä 5feba0e905 drm/i915: Fix overlay frontbuffer tracking 
We don't have a persistent fb holding a reference to the frontbuffer
object, so every time we do the get+put we throw the frontbuffer object
immediately away. And so the next time around we get a pristine
frontbuffer object with bits==0 even for the old vma. This confuses
the frontbuffer tracking code which understandably expects the old
frontbuffer to have the overlay's bit set.

Fix this by hanging on to the frontbuffer reference until the next
flip. And just to make this a bit more clear let's track the frontbuffer
explicitly instead of just grabbing it via the old vma.

Cc: stable@vger.kernel.org
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/1136
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210209021918.16234-2-ville.syrjala@linux.intel.com
Fixes: 8e7cb1799b ("drm/i915: Extract intel_frontbuffer active tracking")
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit 553c23bdb4)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2021-02-10 11:03:56 +02:00
..
display
drm/i915: Fix overlay frontbuffer tracking
2021-02-10 11:03:56 +02:00
gem
drm/i915/gem: Drop lru bumping on display unpinning
2021-02-02 13:39:02 +02:00
gt
drm/i915/gt: Close race between enable_breadcrumbs and cancel_breadcrumbs
2021-02-02 13:38:59 +02:00
gvt
drm/i915/gvt: Fix vfio_edid issue for BXT/APL
2021-01-06 11:19:15 +08:00
selftests
drm/i915/selftest: Fix potential memory leak
2021-01-26 15:45:54 +02:00
.gitignore
…
i915_active_types.h
…
i915_active.c
drm/i915: Always flush the active worker before returning from the wait
2021-01-26 15:45:54 +02:00
i915_active.h
drm/i915: Provide a fastpath for waiting on vma bindings
2020-09-07 13:29:19 +03:00
i915_buddy.c
…
i915_buddy.h
…
i915_cmd_parser.c
drm/i915: clear the shadow batch
2021-01-05 10:25:02 +02:00
i915_config.c
…
i915_debugfs_params.c
…
i915_debugfs_params.h
…
i915_debugfs.c
Merge tag 'drm-intel-gt-next-2020-11-12-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2020-11-13 15:01:57 +10:00
i915_debugfs.h
…
i915_drv.c
drm/i915: Disable RPM wakeref assertions during driver shutdown
2021-01-11 12:10:34 +02:00
i915_drv.h
drm/i915: Check for all subplatform bits
2021-01-26 15:45:54 +02:00
i915_fixed.h
…
i915_gem_evict.c
drm: fix some kernel-doc markups
2020-11-16 20:48:20 +01:00
i915_gem_gtt.c
…
i915_gem_gtt.h
…
i915_gem.c
drm/i915/gem: Pull phys pread/pwrite implementations to the backend
2020-11-12 19:47:30 -05:00
i915_gem.h
drm/i915: Use per object locking in execbuf, v12.
2020-09-07 14:30:07 +03:00
i915_getparam.c
…
i915_globals.c
…
i915_globals.h
…
i915_gpu_error.c
Merge tag 'drm-intel-gt-next-2020-11-12-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2020-11-13 15:01:57 +10:00
i915_gpu_error.h
drm/i915: Improve record of hung engines in error state
2020-11-09 11:59:43 +00:00
i915_ioc32.c
…
i915_ioc32.h
…
i915_irq.c
Merge tag 'irq-core-2020-12-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-12-24 13:50:23 -08:00
i915_irq.h
drm/i915: Add enable/disable flip done and flip done handler
2020-09-28 14:12:48 +03:00
i915_memcpy.c
…
i915_memcpy.h
…
i915_mitigations.c
drm/i915: Allow the sysadmin to override security mitigations
2021-01-12 19:03:40 +02:00
i915_mitigations.h
drm/i915: Allow the sysadmin to override security mitigations
2021-01-12 19:03:40 +02:00
i915_mm.c
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i915_params.c
…
i915_params.h
…
i915_pci.c
Merge tag 'drm-intel-gt-next-2020-11-12-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2020-11-13 15:01:57 +10:00
i915_perf_types.h
…
i915_perf.c
drm/i915/perf: also include Gen11 in OATAILPTR workaround
2020-12-18 12:27:02 +02:00
i915_perf.h
…
i915_pmu.c
drm/i915/pmu: Don't grab wakeref when enabling events
2021-01-18 12:25:05 +02:00
i915_pmu.h
Merge tag 'irq-core-2020-12-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-12-24 13:50:23 -08:00
i915_priolist_types.h
…
i915_pvinfo.h
…
i915_query.c
…
i915_query.h
…
i915_reg.h
Merge tag 'drm-intel-next-queued-2020-11-27' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2020-12-03 13:01:44 +10:00
i915_request.c
irq_work: Cleanup
2020-11-24 16:47:48 +01:00
i915_request.h
drm/i915: Check for rq->hwsp validity after acquiring RCU lock
2021-01-18 12:54:25 +02:00
i915_scatterlist.c
…
i915_scatterlist.h
Merge tag 'drm-intel-gt-next-2020-11-12-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2020-11-13 15:01:57 +10:00
i915_scheduler_types.h
…
i915_scheduler.c
…
i915_scheduler.h
…
i915_selftest.h
…
i915_suspend.c
drm/i915: Rename i915_{save,restore}_state()
2020-10-09 21:12:13 +03:00
i915_suspend.h
drm/i915: Rename i915_{save,restore}_state()
2020-10-09 21:12:13 +03:00
i915_sw_fence_work.c
…
i915_sw_fence_work.h
…
i915_sw_fence.c
treewide: Make all debug_obj_descriptors const
2020-09-24 21:56:25 +02:00
i915_sw_fence.h
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i915_switcheroo.c
…
i915_switcheroo.h
…
i915_syncmap.c
…
i915_syncmap.h
…
i915_sysfs.c
…
i915_sysfs.h
…
i915_trace_points.c
…
i915_trace.h
…
i915_user_extensions.c
…
i915_user_extensions.h
…
i915_utils.c
…
i915_utils.h
…
i915_vgpu.c
…
i915_vgpu.h
…
i915_vma_types.h
…
i915_vma.c
drm/i915: Hold onto an explicit ref to i915_vma_work.pinned
2020-11-03 19:22:42 -05:00
i915_vma.h
drm/i915: Make sure execbuffer always passes ww state to i915_vma_pin.
2020-09-07 14:31:13 +03:00
intel_device_info.c
drm/i915/jsl: Split EHL/JSL platform info and PCI ids
2020-10-14 09:31:34 +02:00
intel_device_info.h
drm/i915/jsl: Split EHL/JSL platform info and PCI ids
2020-10-14 09:31:34 +02:00
intel_dram.c
drm/i915: Read DIMM size in Gb rather than GB
2020-09-30 13:32:05 -07:00
intel_dram.h
…
intel_gvt.c
drm/i915/gvt: Save/restore HW status to support GVT suspend/resume
2020-11-10 14:37:56 +08:00
intel_gvt.h
drm/i915/gvt: Save/restore HW status to support GVT suspend/resume
2020-11-10 14:37:56 +08:00
intel_memory_region.c
drm/i915/region: fix order when adding blocks
2020-11-09 13:38:41 +00:00
intel_memory_region.h
…
intel_pch.c
drm/i915/jsl: Split EHL/JSL platform info and PCI ids
2020-10-14 09:31:34 +02:00
intel_pch.h
…
intel_pm.c
Merge tag 'drm-intel-next-queued-2020-11-27' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2020-12-03 13:01:44 +10:00
intel_pm.h
drm/i915: Make intel_{enable,disable}_sagv() static
2020-09-28 14:12:50 +03:00
intel_region_lmem.c
…
intel_region_lmem.h
…
intel_runtime_pm.c
…
intel_runtime_pm.h
…
intel_sideband.c
drm/i915/dg1: Wait for pcode/uncore handshake at startup
2020-10-05 15:54:45 -07:00
intel_sideband.h
drm/i915/dg1: Wait for pcode/uncore handshake at startup
2020-10-05 15:54:45 -07:00
intel_uncore.c
drm/i915: Drop runtime-pm assert from vgpu io accessors
2020-10-21 08:32:32 -04:00
intel_uncore.h
drm/i915: Rename FORCEWAKE_BLITTER to FORCEWAKE_GT
2020-10-09 18:51:27 -07:00
intel_wakeref.c
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intel_wakeref.h
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intel_wopcm.c
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intel_wopcm.h
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Kconfig
drm/i915: use vmap in i915_gem_object_map
2020-10-18 09:27:10 -07:00
Kconfig.debug
drm/i915: Exclude low pages (128KiB) of stolen from use
2020-10-21 08:32:28 -04:00
Kconfig.profile
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Kconfig.unstable
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Makefile
drm/i915: Allow the sysadmin to override security mitigations
2021-01-12 19:03:40 +02:00
vlv_suspend.c
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vlv_suspend.h
…