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linux/drivers/gpu/drm/i915/gt
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Chris Wilson 489140b5ba drm/i915/gt: Always try to reserve GGTT address 0x0 
Since writing to address 0 is a very common mistake, let's try to avoid
putting anything sensitive there.

References: https://gitlab.freedesktop.org/drm/intel/-/issues/2989
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210125125033.23656-1-chris@chris-wilson.co.uk
Cc: stable@vger.kernel.org
(cherry picked from commit 56b429cc584c6ed8b895d8d8540959655db1ff73)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2021-01-26 15:45:54 +02:00
..
selftests
drm/i915: Serialise i915_active_fence_set() with itself
2019-11-27 17:02:14 +00:00
shaders
drm/i915: Include asm sources for {ivb, hsw}_clear_kernel.c
2020-06-29 11:29:12 +03:00
uc
drm/i915/gt: Define guc firmware blob for older Cometlakes
2021-01-05 10:25:03 +02:00
debugfs_engines.c
drm/i915/gt: allow setting generic data pointer
2020-03-26 21:20:51 +00:00
debugfs_engines.h
drm/i915/gt: Move pm debug files into a gt aware debugfs
2019-12-22 15:25:10 +00:00
debugfs_gt_pm.c
drm/i915/gt: Move rps.enabled/active to flags
2020-04-30 00:57:35 +01:00
debugfs_gt_pm.h
drm/i915/gt: Move pm debug files into a gt aware debugfs
2019-12-22 15:25:10 +00:00
debugfs_gt.c
drm/i915: Move sseu debugfs under gt/
2020-07-08 21:40:15 +01:00
debugfs_gt.h
drm/i915/gt: allow setting generic data pointer
2020-03-26 21:20:51 +00:00
gen2_engine_cs.c
drm/i915/gt: Flush gen3 relocs harder, again
2020-06-13 10:30:01 +01:00
gen2_engine_cs.h
drm/i915/gt: Split low level gen2-7 CS emitters
2020-06-02 10:42:00 +01:00
gen6_engine_cs.c
drm/i915/gt: Split low level gen2-7 CS emitters
2020-06-02 10:42:00 +01:00
gen6_engine_cs.h
drm/i915/gt: Split low level gen2-7 CS emitters
2020-06-02 10:42:00 +01:00
gen6_ppgtt.c
drm/i915/gt: Onion unwind for scratch page allocation failure
2020-10-21 08:32:25 -04:00
gen6_ppgtt.h
drm/i915: Make sure execbuffer always passes ww state to i915_vma_pin.
2020-09-07 14:31:13 +03:00
gen6_renderstate.c
…
gen7_renderclear.c
drm/i915/gt: Clear CACHE_MODE prior to clearing residuals
2021-01-26 15:45:49 +02:00
gen7_renderclear.h
drm/i915/gen7: Clear all EU/L3 residual contexts
2020-03-06 08:59:06 +00:00
gen7_renderstate.c
…
gen8_ppgtt.c
drm/i915/gt: Onion unwind for scratch page allocation failure
2020-10-21 08:32:25 -04:00
gen8_ppgtt.h
drm/i915/gtt: split up i915_gem_gtt
2020-01-07 19:27:36 +00:00
gen8_renderstate.c
…
gen9_renderstate.c
…
hsw_clear_kernel.c
drm/i915/gen7: Clear all EU/L3 residual contexts
2020-03-06 08:59:06 +00:00
intel_breadcrumbs_types.h
drm/i915/gt: Split the breadcrumb spinlock between global and contexts
2020-12-02 17:05:58 -08:00
intel_breadcrumbs.c
drm/i915: Check for rq->hwsp validity after acquiring RCU lock
2021-01-18 12:54:25 +02:00
intel_breadcrumbs.h
drm/i915/gt: Distinguish the virtual breadcrumbs from the irq breadcrumbs
2020-09-07 14:23:55 +03:00
intel_context_param.c
drm/i915: Allow userspace to specify ringsize on construction
2020-02-25 19:23:19 +00:00
intel_context_param.h
drm/i915: Allow userspace to specify ringsize on construction
2020-02-25 19:23:19 +00:00
intel_context_sseu.c
drm/i915/sseu: Move sseu_info under gt_info
2020-07-08 21:13:09 +01:00
intel_context_types.h
drm/i915/gt: Split the breadcrumb spinlock between global and contexts
2020-12-02 17:05:58 -08:00
intel_context.c
drm/i915/gt: Split the breadcrumb spinlock between global and contexts
2020-12-02 17:05:58 -08:00
intel_context.h
drm/i915: Make sure execbuffer always passes ww state to i915_vma_pin.
2020-09-07 14:31:13 +03:00
intel_engine_cs.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
intel_engine_heartbeat.c
drm/i915/gt: Track the most recent pulse for the heartbeat
2020-10-07 10:23:11 +01:00
intel_engine_heartbeat.h
…
intel_engine_pm.c
drm/i915/gt: Confirm the context survives execution
2020-10-16 12:13:46 +01:00
intel_engine_pm.h
drm/i915: Extend intel_wakeref to support delayed puts
2020-03-23 12:51:05 +00:00
intel_engine_types.h
drm/i915/gt: Widen CSB pointer to u64 for the parsers
2020-10-19 14:31:59 -04:00
intel_engine_user.c
drm/i915: Reboot CI if we get wedged during driver init
2020-07-06 19:21:07 +01:00
intel_engine_user.h
…
intel_engine.h
drm/i915/gt: Expose more parameters for emitting writes into the ring
2020-11-03 19:21:42 -05:00
intel_ggtt_fencing.c
drm/i915/gt: Make fence revocation unequivocal
2020-04-01 23:34:17 +01:00
intel_ggtt_fencing.h
drm/i915/gt: Store the fence details on the fence
2020-04-01 23:34:16 +01:00
intel_ggtt.c
drm/i915/gt: Always try to reserve GGTT address 0x0
2021-01-26 15:45:54 +02:00
intel_gpu_commands.h
drm/i915/gen12: Fix HDC pipeline flush
2020-05-07 07:44:41 +01:00
intel_gt_buffer_pool_types.h
drm/i915/gt: Delay taking the spinlock for grabbing from the buffer pool
2020-09-07 13:14:07 +03:00
intel_gt_buffer_pool.c
drm/i915/gt: Clear the buffer pool age before use
2020-09-30 14:24:23 -04:00
intel_gt_buffer_pool.h
drm/i915/gt: Move the batch buffer pool from the engine to the gt
2020-04-30 19:12:02 +01:00
intel_gt_clock_utils.c
drm/i915/gt: Fix up clock frequency
2020-04-27 17:34:33 +01:00
intel_gt_clock_utils.h
drm/i915/gt: Use the RPM config register to determine clk frequencies
2020-04-24 19:10:17 +01:00
intel_gt_irq.c
drm/i915/gt: Distinguish the virtual breadcrumbs from the irq breadcrumbs
2020-09-07 14:23:55 +03:00
intel_gt_irq.h
drm/i915/gt: Reorganise gen8+ interrupt handler
2020-01-28 12:30:00 +00:00
intel_gt_pm_irq.c
…
intel_gt_pm_irq.h
…
intel_gt_pm.c
drm/i915: Reboot CI if we get wedged during driver init
2020-07-06 19:21:07 +01:00
intel_gt_pm.h
drm/i915/gt: Apply sanitiization just before resume
2019-12-26 12:37:30 +00:00
intel_gt_requests.c
drm/i915/gem: Unpin idle contexts from kswapd reclaim
2020-07-08 22:05:49 +01:00
intel_gt_requests.h
drm/i915/gt: Schedule request retirement when timeline idles
2019-11-25 16:39:07 +02:00
intel_gt_types.h
drm/i915/sseu: Move sseu_info under gt_info
2020-07-08 21:13:09 +01:00
intel_gt.c
drm/i915/gt: Scrub HW state on remove
2020-10-06 12:09:30 +01:00
intel_gt.h
drm/i915: Introduce gt_init_mmio
2020-07-08 21:07:13 +01:00
intel_gtt.c
drm/i915: Enable eLLC caching of display buffers for SKL+
2020-10-15 15:38:20 +01:00
intel_gtt.h
drm/i915: Fix DMA mapped scatterlist walks
2020-10-06 12:49:07 +01:00
intel_llc_types.h
…
intel_llc.c
drm/i915/gt: Do not attempt to reprogram IA/ring frequencies for dgfx
2020-02-19 22:27:10 +00:00
intel_llc.h
…
intel_lrc_reg.h
drm/i915/gt: Use a mmio read of the CSB in case of failure
2020-09-15 15:33:54 +01:00
intel_lrc.c
drm/i915/gt: Prevent use of engine->wa_ctx after error
2021-01-18 12:24:59 +02:00
intel_lrc.h
drm/i915/gt: Remove defunct intel_virtual_engine_get_sibling()
2020-09-18 12:18:03 +01:00
intel_mocs.c
drm for 5.11-rc1
2020-12-14 11:07:56 -08:00
intel_mocs.h
…
intel_ppgtt.c
drm/i915/gt: Shrink i915_page_directory's slab bucket
2020-09-07 14:24:23 +03:00
intel_rc6_types.h
drm/i915/gt: Only ignore rc6 parking for PCU on byt/bsw
2019-12-12 08:35:48 +00:00
intel_rc6.c
drm/i915/tgl: Fix Media power gate sequence.
2020-11-16 18:06:21 -05:00
intel_rc6.h
drm/i915/gt: Simplify rc6 w/a application
2019-12-02 21:57:22 +00:00
intel_renderstate.c
drm/i915: Make sure execbuffer always passes ww state to i915_vma_pin.
2020-09-07 14:31:13 +03:00
intel_renderstate.h
drm/i915: Use ww locking in intel_renderstate.
2020-09-07 14:30:31 +03:00
intel_reset_types.h
drm/i915: Reboot CI if we get wedged during driver init
2020-07-06 19:21:07 +01:00
intel_reset.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_reset.h
drm/i915: Reboot CI if we get wedged during driver init
2020-07-06 19:21:07 +01:00
intel_ring_submission.c
drm/i915: Allow the sysadmin to override security mitigations
2021-01-12 19:03:40 +02:00
intel_ring_types.h
drm/i915/gt: Avoid resetting ring->head outside of its timeline mutex
2020-02-11 12:03:22 +00:00
intel_ring.c
drm/i915: Make sure execbuffer always passes ww state to i915_vma_pin.
2020-09-07 14:31:13 +03:00
intel_ring.h
drm/i915: Make sure execbuffer always passes ww state to i915_vma_pin.
2020-09-07 14:31:13 +03:00
intel_rps_types.h
drm/i915/gt: Switch to manual evaluation of RPS
2020-04-30 00:57:37 +01:00
intel_rps.c
drm for 5.11-rc1
2020-12-14 11:07:56 -08:00
intel_rps.h
drm/i915/gt: Sanitize RPS interrupts upon resume
2020-05-03 08:24:36 +01:00
intel_sseu_debugfs.c
drm/i915: Move sseu debugfs under gt/
2020-07-08 21:40:15 +01:00
intel_sseu_debugfs.h
drm/i915: Move sseu debugfs under gt/
2020-07-08 21:40:15 +01:00
intel_sseu.c
drm/i915/jsl: Split EHL/JSL platform info and PCI ids
2020-10-14 09:31:34 +02:00
intel_sseu.h
drm/i915/sseu: Move sseu_info under gt_info
2020-07-08 21:13:09 +01:00
intel_timeline_types.h
drm/i915/gt: Use the local HWSP offset during submission
2020-11-03 19:14:08 -05:00
intel_timeline.c
drm/i915: Check for rq->hwsp validity after acquiring RCU lock
2021-01-18 12:54:25 +02:00
intel_timeline.h
drm/i915: Make sure execbuffer always passes ww state to i915_vma_pin.
2020-09-07 14:31:13 +03:00
intel_workarounds_types.h
drm/i915/gt: Skip rmw for masked registers
2020-02-01 09:21:57 +00:00
intel_workarounds.c
drm for 5.11-rc1
2020-12-14 11:07:56 -08:00
intel_workarounds.h
…
ivb_clear_kernel.c
drm/i915/gen7: Clear all EU/L3 residual contexts
2020-03-06 08:59:06 +00:00
mock_engine.c
drm/i915/selftests: Finish pending mock requests on cancellation.
2020-09-30 17:59:25 +01:00
mock_engine.h
…
selftest_context.c
drm/i915/selftests: Flush the active barriers before asserting
2020-09-07 13:14:15 +03:00
selftest_engine_cs.c
drm/i915: Drop i915_request.i915 backpointer
2020-06-03 13:53:39 +01:00
selftest_engine_heartbeat.c
drm/i915/selftests: Flush the old heartbeat more gently
2020-10-21 19:20:24 +01:00
selftest_engine_heartbeat.h
drm/i915/selftests: Enable selftesting of busy-stats
2020-06-18 09:26:53 +01:00
selftest_engine_pm.c
drm/i915/gt: Always report the sample time for busy-stats
2020-06-18 09:26:54 +01:00
selftest_engine.c
…
selftest_engine.h
…
selftest_gt_pm.c
drm/i915/selftests: Measure CS_TIMESTAMP
2020-05-21 09:30:16 +01:00
selftest_hangcheck.c
drm/i915/selftests: Enable selftesting of busy-stats
2020-06-18 09:26:53 +01:00
selftest_llc.c
drm/i915/gt: Do not attempt to reprogram IA/ring frequencies for dgfx
2020-02-19 22:27:10 +00:00
selftest_llc.h
…
selftest_lrc.c
drm/i915/selftests: Fix locking inversion in lrc selftest.
2020-09-07 14:31:50 +03:00
selftest_mocs.c
drm/i915/gt: Incrementally check for rewinding
2020-06-16 11:34:23 +03:00
selftest_rc6.c
drm/i915: Print caller when tainting for CI
2020-07-06 19:21:07 +01:00
selftest_rc6.h
drm/i915/gt: Manual rc6 entry upon parking
2019-11-27 12:53:27 +00:00
selftest_reset.c
drm/i915: Exclude low pages (128KiB) of stolen from use
2020-10-21 08:32:28 -04:00
selftest_ring_submission.c
drm/i915/selftests: Always flush before unpining after writing
2020-05-11 16:50:04 +01:00
selftest_ring.c
drm/i915/gt: Incrementally check for rewinding
2020-06-16 11:34:23 +03:00
selftest_rps.c
drm/i915/selftests: Skip RPS tests on Ironlake (only IPS)
2020-10-23 09:57:54 +01:00
selftest_rps.h
drm/i915/gt: Fix up clock frequency
2020-04-27 17:34:33 +01:00
selftest_timeline.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
selftest_workarounds.c
drm/i915: Add an implementation for i915_gem_ww_ctx locking, v2.
2020-09-07 14:29:44 +03:00
shmem_utils.c
drm/i915: fix size_t greater or equal to zero comparison
2020-12-08 07:03:43 -08:00
shmem_utils.h
drm/i915/gt: Keep a no-frills swappable copy of the default context state
2020-04-29 19:02:37 +01:00
st_shmem_utils.c
drm/i915/gt: Keep a no-frills swappable copy of the default context state
2020-04-29 19:02:37 +01:00
sysfs_engines.c
drm/i915/gt: Cleanup kasan warning for on-stack (unsigned long) casting
2020-10-16 11:08:44 +01:00
sysfs_engines.h
drm/i915/gt: Expose engine properties via sysfs
2020-02-28 22:03:19 +00:00