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linux/drivers/gpu/drm/i915/gt
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Arnd Bergmann 9b0cebc70d drm/i915/mtl: avoid stringop-overflow warning 
[ Upstream commit 390001d648 ]

The newly added memset() causes a warning for some reason I could not
figure out:

In file included from arch/x86/include/asm/string.h:3,
                 from drivers/gpu/drm/i915/gt/intel_rc6.c:6:
In function 'rc6_res_reg_init',
    inlined from 'intel_rc6_init' at drivers/gpu/drm/i915/gt/intel_rc6.c:610:2:
arch/x86/include/asm/string_32.h:195:29: error: '__builtin_memset' writing 16 bytes into a region of size 0 overflows the destination [-Werror=stringop-overflow=]
  195 | #define memset(s, c, count) __builtin_memset(s, c, count)
      |                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/gt/intel_rc6.c:584:9: note: in expansion of macro 'memset'
  584 |         memset(rc6->res_reg, INVALID_MMIO_REG.reg, sizeof(rc6->res_reg));
      |         ^~~~~~
In function 'intel_rc6_init':

Change it to an normal initializer and an added memcpy() that does not have
this problem.

Fixes: 4bb9ca7ee0 ("drm/i915/mtl: C6 residency and C state type for MTL SAMedia")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231016201012.1022812-1-arnd@kernel.org
(cherry picked from commit 0520b30b21)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-11-28 17:19:48 +00:00
..
selftests
…
shaders
…
uc
i915/guc: Get runtime pm in busyness worker only if already active
2023-09-26 13:58:16 -04:00
gen2_engine_cs.c
drm/i915: use direct alias for i915 in requests
2023-07-24 17:24:35 +02:00
gen2_engine_cs.h
…
gen6_engine_cs.c
drm/i915/gt: Move engine registers to their own header
2022-01-11 14:03:25 -08:00
gen6_engine_cs.h
…
gen6_ppgtt.c
drm/i915: use pat_index instead of cache_level
2023-05-11 17:38:55 +02:00
gen6_ppgtt.h
drm/i915: Create a dummy object for gen6 ppgtt
2021-11-19 17:38:03 +00:00
gen6_renderstate.c
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
gen7_renderclear.c
drm/i915: Wrap all access to i915_vma.node.start|size
2022-12-06 10:52:42 +01:00
gen7_renderclear.h
…
gen7_renderstate.c
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
gen8_engine_cs.c
drm/i915: Don't set PIPE_CONTROL_FLUSH_L3 for aux inval
2023-10-04 09:00:29 -04:00
gen8_engine_cs.h
drm/i915/gt: Support aux invalidation on all engines
2023-07-26 14:35:32 +02:00
gen8_ppgtt.c
drm/i915: Remove dead code from gen8_pte_encode
2023-07-11 09:21:28 +01:00
gen8_ppgtt.h
drm/i915: use pat_index instead of cache_level
2023-05-11 17:38:55 +02:00
gen8_renderstate.c
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
gen9_renderstate.c
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
hsw_clear_kernel.c
…
intel_breadcrumbs_types.h
drm/i915/guc: Direct all breadcrumbs for a class to single breadcrumbs
2021-07-27 17:31:35 -07:00
intel_breadcrumbs.c
drm/i915/gt: Only kick the signal worker if there's been an update
2022-07-12 17:44:43 -04:00
intel_breadcrumbs.h
drm/i915/guc: Direct all breadcrumbs for a class to single breadcrumbs
2021-07-27 17:31:35 -07:00
intel_context_param.h
drm/i915/gem: Set the watchdog timeout directly in intel_context_set_gem (v2)
2021-07-08 19:43:49 +02:00
intel_context_sseu.c
drm/i915/lrc: move lrc_get_runtime() to intel_lrc.c
2022-02-17 15:42:09 +02:00
intel_context_types.h
i915/pmu: Add support for total context runtime for GuC back-end
2023-05-02 10:22:47 -07:00
intel_context.c
i915/pmu: Add support for total context runtime for GuC back-end
2023-05-02 10:22:47 -07:00
intel_context.h
drm/i915/context: fix kernel-doc parameter descriptions
2023-05-04 12:11:36 +03:00
intel_engine_cs.c
i915/pmu: Move execlist stats initialization to execlist specific setup
2023-09-20 10:55:37 -04:00
intel_engine_heartbeat.c
drm/i915: Make the heartbeat play nice with long pre-emption timeouts
2022-10-24 12:12:36 -07:00
intel_engine_heartbeat.h
drm/i915: Reset GPU immediately if submission is disabled
2021-07-27 17:31:45 -07:00
intel_engine_pm.c
drm/i915: Make i915_coherent_map_type GT-centric
2023-08-10 14:14:11 +02:00
intel_engine_pm.h
drm/i915/guc: Take engine PM when a context is pinned with GuC submission
2021-10-15 10:37:26 -07:00
intel_engine_regs.h
drm/i915: Move/adjust register definitions related to Wa_22011450934
2023-01-18 12:29:10 -08:00
intel_engine_stats.h
drm/i915/pmu: Add a name to the execlists stats
2021-10-28 11:02:18 -07:00
intel_engine_types.h
drm/i915: mark requests for GuC virtual engines to avoid use-after-free
2023-08-30 11:32:48 -04:00
intel_engine_user.c
drm/i915/gt: Consider multi-gt instead of to_gt()
2023-04-19 16:04:52 +02:00
intel_engine_user.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_engine.h
drm/i915: Fix up locking around dumping requests lists
2023-01-30 15:48:21 -05:00
intel_execlists_submission.c
i915/pmu: Move execlist stats initialization to execlist specific setup
2023-09-20 10:55:37 -04:00
intel_execlists_submission.h
drm/i915: Fix up locking around dumping requests lists
2023-01-30 15:48:21 -05:00
intel_ggtt_fencing.c
drm/i915: Simplify expression &to_i915(dev)->drm
2023-07-25 15:31:34 +02:00
intel_ggtt_fencing.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_ggtt_gmch.c
drm/i915/gt: Fix parameter in gmch_ggtt_insert_{entries, page}()
2023-06-02 02:46:09 +02:00
intel_ggtt_gmch.h
drm/i915/gt: Re-do the intel-gtt split
2022-06-22 15:52:56 -07:00
intel_ggtt.c
drm/i915/gt: Fix reservation address in ggtt_reserve_guc_top
2023-09-26 13:58:12 -04:00
intel_gpu_commands.h
drm/i915/gt: Poll aux invalidation register bit on invalidation
2023-07-26 14:35:32 +02:00
intel_gsc.c
drm/i915/gsc: Only initialize GSC in tile 0
2022-11-22 06:02:29 -08:00
intel_gsc.h
drm/i915/gt: Rename dev_priv to i915 for private data naming consistency
2023-02-27 23:22:54 +01:00
intel_gt_buffer_pool_types.h
Merge tag 'drm-intel-gt-next-2021-04-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2021-04-08 12:46:12 +10:00
intel_gt_buffer_pool.c
drm/i915: add a dedicated workqueue inside drm_i915_private
2023-06-10 06:33:11 +03:00
intel_gt_buffer_pool.h
…
intel_gt_clock_utils.c
drm/i915/gt: Start adding module oriented dmesg output
2023-01-17 15:28:28 -08:00
intel_gt_clock_utils.h
…
intel_gt_debugfs.c
drm/i915/gt: Create per-gt debugfs files
2023-03-21 10:09:31 +01:00
intel_gt_debugfs.h
drm/i915/debugfs: Do not return '0' if there is nothing to return
2022-03-22 10:08:20 +00:00
intel_gt_defines.h
i915/drm/gt: Move the gt defines in the gt directory
2023-08-02 15:41:31 +02:00
intel_gt_engines_debugfs.c
drm/i915: rename debugfs_engines files
2021-09-18 23:33:22 -07:00
intel_gt_engines_debugfs.h
drm/i915: rename debugfs_engines files
2021-09-18 23:33:22 -07:00
intel_gt_irq.c
drm/i915/uncore: add intel_uncore_regs() helper
2023-07-04 17:12:48 +03:00
intel_gt_irq.h
drm/i915/gt: Move CS interrupt handler to the backend
2021-05-25 15:14:40 +02:00
intel_gt_mcr.c
drm/i915/mcr: Hold GT forcewake during steering operations
2023-10-25 08:44:26 -04:00
intel_gt_mcr.h
drm/i915/gt: Add dedicated MCR lock
2022-11-30 09:06:34 -08:00
intel_gt_pm_debugfs.c
drm/i915/guc/slpc: Disable rps_boost debugfs
2023-05-17 16:20:32 -07:00
intel_gt_pm_debugfs.h
drm/i915/debugfs: Do not return '0' if there is nothing to return
2022-03-22 10:08:20 +00:00
intel_gt_pm_irq.c
drm/i915/mtl: Use primary GT's irq lock for media GT
2022-09-12 15:23:12 +03:00
intel_gt_pm_irq.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_gt_pm.c
drm/i915: use pointer to i915 instead of rpm in wakeref
2023-06-10 06:32:58 +03:00
intel_gt_pm.h
drm/i915/gt: Ignore TLB invalidations on idle engines
2022-08-08 13:14:47 -04:00
intel_gt_print.h
drm/i915/guc: More debug print updates - GuC logging
2023-02-08 23:51:05 -08:00
intel_gt_regs.h
Merge tag 'drm-intel-gt-next-2023-08-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2023-08-07 13:49:25 +10:00
intel_gt_requests.c
drm/i915: add a dedicated workqueue inside drm_i915_private
2023-06-10 06:33:11 +03:00
intel_gt_requests.h
drm/i915: use linux/stddef.h due to "isystem: trim/fixup stdarg.h and other headers"
2021-09-06 09:31:23 +02:00
intel_gt_sysfs_pm.c
drm/i915: Expose RPS thresholds in sysfs
2023-07-19 11:28:32 +01:00
intel_gt_sysfs_pm.h
drm/i915/gt: Create per-tile RC6 sysfs interface
2022-03-21 08:37:42 +00:00
intel_gt_sysfs.c
drm/i915: Make kobj_type structures constant
2023-02-17 11:50:28 +02:00
intel_gt_sysfs.h
drm/i915: Fix CFI violations in gt_sysfs
2022-10-27 19:14:53 +02:00
intel_gt_types.h
Merge drm/drm-next into drm-intel-next
2023-08-07 17:14:42 -04:00
intel_gt.c
Merge tag 'drm-intel-gt-next-2023-08-11' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2023-08-15 11:53:32 +10:00
intel_gt.h
drm/i915/gt: Apply workaround 22016122933 correctly
2023-08-10 14:14:13 +02:00
intel_gtt.c
drm/i915: Make i915_coherent_map_type GT-centric
2023-08-10 14:14:11 +02:00
intel_gtt.h
drm/i915: use pat_index instead of cache_level
2023-05-11 17:38:55 +02:00
intel_hwconfig.h
drm/i915/guc: Add fetch of hwconfig blob
2022-03-17 19:51:48 -07:00
intel_llc_types.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_llc.c
drm/i915/slpc: Let's fix the PCODE min freq table setup for SLPC
2022-09-06 14:51:43 -04:00
intel_llc.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_lrc_reg.h
drm/i915/gt: Move engine registers to their own header
2022-01-11 14:03:25 -08:00
intel_lrc.c
drm/i915/gt: Prevent error pointer dereference
2023-09-20 10:55:30 -04:00
intel_lrc.h
drm/i915/perf: Fix OA filtering logic for GuC mode
2022-10-27 12:35:56 -07:00
intel_migrate_types.h
drm/i915/gt: Pipelined page migration
2021-06-17 14:23:05 +01:00
intel_migrate.c
drm/i915: use direct alias for i915 in requests
2023-07-24 17:24:35 +02:00
intel_migrate.h
drm/i915: use pat_index instead of cache_level
2023-05-11 17:38:55 +02:00
intel_mocs.c
drm/i915/mtl: Define MOCS and PAT tables for MTL
2023-04-23 02:11:21 +02:00
intel_mocs.h
drm/i915/gt: Add "intel_" as prefix in set_mocs_index()
2021-09-20 08:23:27 -07:00
intel_ppgtt.c
drm/i915: Invalidate the TLBs on each GT
2023-08-02 15:56:44 +02:00
intel_rc6_types.h
drm/i915/mtl: Synchronize i915/BIOS on C6 enabling
2023-03-24 08:43:32 -07:00
intel_rc6.c
drm/i915/mtl: avoid stringop-overflow warning
2023-11-28 17:19:48 +00:00
intel_rc6.h
drm/i915/mtl: Synchronize i915/BIOS on C6 enabling
2023-03-24 08:43:32 -07:00
intel_region_lmem.c
drm/i915: Replace i915->gt0 with to_gt(i915)
2023-07-25 18:18:29 +02:00
intel_region_lmem.h
drm/i915: Kill the fake lmem support
2022-02-18 22:31:46 -08:00
intel_renderstate.c
drm/i915: Wrap all access to i915_vma.node.start|size
2022-12-06 10:52:42 +01:00
intel_renderstate.h
drm/i915: Break out dma_resv ww locking utilities to separate files
2021-06-17 14:22:59 +01:00
intel_reset_types.h
drm/i915/gt: Rename dev_priv to i915 for private data naming consistency
2023-02-27 23:22:54 +01:00
intel_reset.c
Merge tag 'drm-intel-gt-next-2023-08-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2023-08-07 13:49:25 +10:00
intel_reset.h
drm/i915/guc: Don't deadlock busyness stats vs reset
2022-11-04 13:45:45 -07:00
intel_ring_submission.c
drm/i915: use direct alias for i915 in requests
2023-07-24 17:24:35 +02:00
intel_ring_types.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_ring.c
drm/i915: Make i915_coherent_map_type GT-centric
2023-08-10 14:14:11 +02:00
intel_ring.h
drm/i915/gt: Pipelined page migration
2021-06-17 14:23:05 +01:00
intel_rps_types.h
drm/i915/gt: Rename dev_priv to i915 for private data naming consistency
2023-02-27 23:22:54 +01:00
intel_rps.c
Merge tag 'drm-intel-gt-next-2023-08-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2023-08-07 13:49:25 +10:00
intel_rps.h
drm/i915: Add helpers for managing rps thresholds
2023-07-19 11:28:28 +01:00
intel_sa_media.c
drm/i915/uncore: add intel_uncore_regs() helper
2023-07-04 17:12:48 +03:00
intel_sa_media.h
drm/i915/xelpmp: Expose media as another GT
2022-09-12 15:23:12 +03:00
intel_sseu_debugfs.c
drm/i915/sseu: Disassociate internal subslice mask representation from uapi
2022-06-02 07:20:59 -07:00
intel_sseu_debugfs.h
…
intel_sseu.c
drm/i915/jsl: s/JSL/JASPERLAKE for platform/subplatform defines
2023-08-07 15:37:06 -07:00
intel_sseu.h
drm/i915/sseu: fix max_subslices array-index-out-of-bounds access
2023-03-13 11:38:05 +02:00
intel_timeline_types.h
Merge tag 'drm-intel-gt-next-2021-04-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2021-04-08 12:46:12 +10:00
intel_timeline.c
drm/i915: don't include drm_cache.h in i915_drv.h
2022-02-14 13:19:37 +02:00
intel_timeline.h
Merge tag 'drm-intel-gt-next-2021-04-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2021-04-08 12:46:12 +10:00
intel_tlb.c
drm/i915/gt: Move TLB invalidation to its own file
2023-08-02 15:40:11 +02:00
intel_tlb.h
drm/i915/gt: Move TLB invalidation to its own file
2023-08-02 15:40:11 +02:00
intel_wopcm.c
drm/i915/mtl: Handle wopcm per-GT and limit calculations.
2022-11-14 10:11:47 -08:00
intel_wopcm.h
drm/i915/mtl: Handle wopcm per-GT and limit calculations.
2022-11-14 10:11:47 -08:00
intel_workarounds_types.h
drm/i915: Partial abandonment of legacy DRM logging macros
2022-11-10 12:35:46 +00:00
intel_workarounds.c
drm/i915/jsl: s/JSL/JASPERLAKE for platform/subplatform defines
2023-08-07 15:37:06 -07:00
intel_workarounds.h
drm/i915: Make wa list per-gt
2021-09-20 08:06:36 -07:00
ivb_clear_kernel.c
…
mock_engine.c
drm/i915: Add ww ctx to i915_gem_object_trylock
2021-12-21 13:27:29 +01:00
mock_engine.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
selftest_context.c
drm/i915: Make i915_coherent_map_type GT-centric
2023-08-10 14:14:11 +02:00
selftest_engine_cs.c
Merge tag 'drm-intel-gt-next-2023-08-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2023-08-07 13:49:25 +10:00
selftest_engine_heartbeat.c
drm/i915/gt: Use to_gt() helper
2021-12-17 21:50:06 -08:00
selftest_engine_heartbeat.h
drm/i915/selftest: Fix hangcheck self test for GuC submission
2021-07-27 17:32:23 -07:00
selftest_engine_pm.c
drm/i915/gt: Use gt_err for GT info
2023-05-03 12:56:10 +02:00
selftest_engine.c
drm/i915/gt: Use to_gt() helper
2021-12-17 21:50:06 -08:00
selftest_engine.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
selftest_execlists.c
drm/i915/gt: Use the correct error value when kernel_context() fails
2023-06-01 18:14:53 +02:00
selftest_gt_pm.c
drm/i915/selftest: Fix engine timestamp and ktime disparity
2023-03-03 19:36:33 +05:30
selftest_hangcheck.c
drm/i915: Make i915_coherent_map_type GT-centric
2023-08-10 14:14:11 +02:00
selftest_llc.c
drm/i915: remove unnecessary intel_pm.h includes
2023-03-06 18:26:30 +02:00
selftest_llc.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
selftest_lrc.c
drm/i915: Make i915_coherent_map_type GT-centric
2023-08-10 14:14:11 +02:00
selftest_migrate.c
drm/i915: use pat_index instead of cache_level
2023-05-11 17:38:55 +02:00
selftest_mocs.c
drm/i915: use direct alias for i915 in requests
2023-07-24 17:24:35 +02:00
selftest_rc6.c
drm/i915: use direct alias for i915 in requests
2023-07-24 17:24:35 +02:00
selftest_rc6.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
selftest_reset.c
drm/i915: use pat_index instead of cache_level
2023-05-11 17:38:55 +02:00
selftest_ring_submission.c
drm/i915: Wrap all access to i915_vma.node.start|size
2022-12-06 10:52:42 +01:00
selftest_ring.c
…
selftest_rps.c
drm/i915: use explicit includes for i915_reg.h and i915_irq.h
2023-04-19 15:55:05 +03:00
selftest_rps.h
…
selftest_slpc.c
drm/i915/selftest: Update the SLPC selftest
2023-04-28 09:59:54 -07:00
selftest_timeline.c
drm/i915: use direct alias for i915 in requests
2023-07-24 17:24:35 +02:00
selftest_tlb.c
drm/i915/gt: Move TLB invalidation to its own file
2023-08-02 15:40:11 +02:00
selftest_workarounds.c
drm/i915/selftest: use igt_vma_move_to_active_unlocked if possible
2023-01-09 14:23:52 +01:00
shmem_utils.c
drm/i915/gt: Simplify shmem_create_from_object map_type selection
2023-08-10 14:13:52 +02:00
shmem_utils.h
drm/i915/gt: Add helper for shmem copy to iosys_map
2022-02-25 15:23:18 -08:00
st_shmem_utils.c
…
sysfs_engines.c
drm/i915/gt: make kobj attributes const
2023-03-15 12:20:11 +02:00
sysfs_engines.h
…