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427fff9aff295e2c117ed26237d1f4e3d87750a3
linux/drivers/gpu/drm/i915/gt
History
Vinay Belgaumkar 936b73feab drm/i915/slpc: Balance the inc/dec for num_waiters 
As seen in some recent failures, SLPC num_waiters value is < 0.
This happens because the inc/dec are not balanced. We should skip
decrement for the same conditions as the increment. Currently, we
do that for power saving profile mode. This patch also ensures that
num_waiters is incremented in the case min_softlimit is at boost
freq. It ensures that we don't reduce the frequency while this request
is in flight.

v2: Add Fixes tags

Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13598
Fixes: f864a29afc ("drm/i915/slpc: Optmize waitboost for SLPC")
Fixes: 4a82ceb04a ("drm/i915/slpc: Add sysfs for SLPC power profiles")
Cc: Sk Anirban <sk.anirban@intel.com>
Reviewed-by: Sk Anirban <sk.anirban@intel.com>
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://lore.kernel.org/r/20250428183555.3250021-1-vinay.belgaumkar@intel.com
(cherry picked from commit d26e55085f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2025-05-05 12:36:04 +03:00
..
selftests
…
shaders
drm/i915/gt: fix typos in i915/gt files.
2025-01-23 05:48:22 -05:00
uc
drm/i915/huc: Fix fence not released on early probe errors
2025-04-09 10:50:51 +03:00
gen2_engine_cs.c
drm/i915/gt: fix typos in i915/gt files.
2025-01-23 05:48:22 -05:00
gen2_engine_cs.h
drm/i915/gt: s/gen3/gen2/
2024-10-15 17:49:24 +03:00
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: remove all IS_<PLATFORM>_GT<N>() macros
2024-10-24 13:14:37 +03:00
gen7_renderclear.h
…
gen7_renderstate.c
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
gen8_engine_cs.c
Merge tag 'drm-intel-gt-next-2024-04-26' of https://anongit.freedesktop.org/git/drm/drm-intel into drm-next
2024-04-30 14:40:43 +10:00
gen8_engine_cs.h
drm/i915/gt: Support aux invalidation on all engines
2023-07-26 14:35:32 +02:00
gen8_ppgtt.c
Backmerge tag 'v6.9-rc5' into drm-next
2024-04-22 14:35:52 +10:00
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: Track gt pm wakerefs
2023-11-20 12:36:56 +01:00
intel_breadcrumbs.c
drm/i915: use NULL for zero wakeref_t instead of plain integer 0
2024-10-04 10:29:24 +03:00
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
drm/i915: Support replaying GPU hangs with captured context image
2024-05-16 07:37:05 +00:00
intel_context.c
drm/i915: Support replaying GPU hangs with captured context image
2024-05-16 07:37:05 +00:00
intel_context.h
drm/i915: Support replaying GPU hangs with captured context image
2024-05-16 07:37:05 +00:00
intel_engine_cs.c
Merge tag 'drm-intel-gt-next-2025-03-12' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
2025-03-25 08:21:07 +10:00
intel_engine_heartbeat.c
Merge drm/drm-next into drm-misc-next-fixes
2024-02-26 15:12:53 +01:00
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/gt: Reset queue_priority_hint on parking
2024-03-28 12:16:16 -04:00
intel_engine_pm.h
drm/i915: Move for_each_engine* out of i915_drv.h
2023-11-06 09:04:52 +00:00
intel_engine_regs.h
drm/i915/pmu: Add support for gen2
2024-10-15 17:51:00 +03:00
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/gt: fix typos in i915/gt files.
2025-01-23 05:48:22 -05:00
intel_engine_user.c
drm/i915/gsc: Mark internal GSC engine with reserved uabi class
2023-11-29 10:23:11 +02:00
intel_engine_user.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_engine.h
drm/i915/gt: Remove unused execlists_unwind_incomplete_requests
2024-11-04 16:31:44 -05:00
intel_execlists_submission.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
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
Merge tag 'drm-intel-gt-next-2025-02-26' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
2025-03-13 07:54:41 +10:00
intel_ggtt_fencing.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_ggtt_gmch.c
drm: move intel-gtt.h under include/drm/intel
2024-05-31 16:10:50 +03:00
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/dpt: Evict all DPT VMAs on suspend
2024-11-28 17:33:44 +02:00
intel_gpu_commands.h
drm/i915/gt: Add Wa_14019789679
2024-08-05 22:33:39 +01:00
intel_gsc.c
drm/i915: Drop dead code for xehpsdv
2024-03-22 14:14:39 -07:00
intel_gsc.h
drm/i915/gt: reconcile Excess struct member kernel-doc warnings
2024-01-10 11:56:19 +02:00
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
drm/i915: Defer pin calls in buffer pool until first use by caller.
2021-03-24 17:27:20 +01:00
intel_gt_ccs_mode.c
drm/i915/gt: Fix CCS id's calculation for CCS mode setting
2024-05-29 11:35:38 +03:00
intel_gt_ccs_mode.h
drm/i915/gt: Automate CCS Mode setting during engine resets
2024-05-06 14:15:24 -04:00
intel_gt_clock_utils.c
drm/i915: Use REG_BIT() & co. for gen9+ timestamp freq registers
2025-03-04 15:39:37 +01:00
intel_gt_clock_utils.h
drm/i915/gt: Consolidate the CS timestamp clocks
2020-12-23 21:10:41 +00:00
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: Move for_each_engine* out of i915_drv.h
2023-11-06 09:04:52 +00:00
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/gt: fix typos in i915/gt files.
2025-01-23 05:48:22 -05:00
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
Merge tag 'drm-intel-gt-next-2025-03-12' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
2025-03-25 08:21:07 +10:00
intel_gt_mcr.h
drm/i915: Update IP_VER(12, 50)
2024-03-22 14:14:52 -07:00
intel_gt_pm_debugfs.c
Merge tag 'drm-intel-gt-next-2024-10-23' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
2024-10-25 05:57:38 +10:00
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/reset: add intel_gt_gpu_reset_clobbers_display() helper
2025-03-05 12:48:22 +02:00
intel_gt_pm.h
drm/i915: use NULL for zero wakeref_t instead of plain integer 0
2024-10-04 10:29:24 +03:00
intel_gt_print.h
drm/i915/gt: More use of GT specific print helpers
2023-10-10 15:40:24 -07:00
intel_gt_regs.h
drm/i915: Reoder gen9+ timestamp freq register bits
2025-03-04 15:39:38 +01:00
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/slpc: Add sysfs for SLPC power profiles
2025-02-04 18:10:56 -05:00
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
drm/i915/gt: Mark the GT as dead when mmio is unreliable
2024-08-09 12:51:17 +01:00
intel_gt.c
drm/i915: Extract gen8_report_fault()
2025-03-04 15:39:33 +01:00
intel_gt.h
drm/i915/gt: remove stray declaration of intel_gt_release_all()
2024-08-17 11:24:46 +02:00
intel_gtt.c
drm/i915: Update IP_VER(12, 50)
2024-03-22 14:14:52 -07:00
intel_gtt.h
drm/i915/dpt: Evict all DPT VMAs on suspend
2024-11-28 17:33:44 +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/pxp: Add missing tag for Wa_14019159160
2024-10-18 11:00:33 -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/gt: fix typos in i915/gt files.
2025-01-23 05:48:22 -05:00
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/gt: fix typos in i915/gt files.
2025-01-23 05:48:22 -05:00
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: Disable RPG during live selftest
2025-04-07 11:00:07 +03:00
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: Rename the DSM/GSM registers
2024-02-07 01:59:01 +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/reset: remove I915_RESET_MODESET flag
2025-03-05 12:48:22 +02:00
intel_reset.c
Merge tag 'drm-intel-gt-next-2025-02-26' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
2025-03-13 07:54:41 +10:00
intel_reset.h
drm/i915/reset: add intel_gt_gpu_reset_clobbers_display() helper
2025-03-05 12:48:22 +02:00
intel_ring_submission.c
Merge drm/drm-next into drm-intel-next
2025-02-05 19:12:37 +02:00
intel_ring_types.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
intel_ring.c
drm/i915: Remove unused intel_ring_cacheline_align
2024-12-30 01:31:56 +01:00
intel_ring.h
drm/i915: Remove unused intel_ring_cacheline_align
2024-12-30 01:31:56 +01:00
intel_rps_types.h
drm/i915/gt: fix typos in i915/gt files.
2025-01-23 05:48:22 -05:00
intel_rps.c
drm/i915/slpc: Balance the inc/dec for num_waiters
2025-05-05 12:36:04 +03:00
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/gt: fix typos in i915/gt files.
2025-01-23 05:48:22 -05:00
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
Merge tag 'drm-intel-gt-next-2025-03-12' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
2025-03-25 08:21:07 +10:00
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: add a macro for mock gt wakeref special value and use it
2024-09-30 17:54:11 +03:00
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
Merge tag 'drm-intel-gt-next-2025-02-26' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
2025-03-13 07:54:41 +10:00
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
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
mock_engine.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
selftest_context.c
drm/i915: Don't use __func__ as prefix for drm_dbg_printer
2024-06-06 14:46:15 -04:00
selftest_engine_cs.c
drm/i915: Track gt pm wakerefs
2023-11-20 12:36:56 +01:00
selftest_engine_heartbeat.c
drm/i915/gt: Delete the live_hearbeat_fast selftest
2024-06-06 03:46:13 +02:00
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
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
selftest_gt_pm.c
drm/i915: Track gt pm wakerefs
2023-11-20 12:36:56 +01:00
selftest_hangcheck.c
Merge drm/drm-next into drm-intel-next
2025-02-05 19:12:37 +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/gt: fix typos in i915/gt files.
2025-01-23 05:48:22 -05:00
selftest_migrate.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +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
Merge drm/drm-next into drm-intel-next
2025-02-05 19:12:37 +02:00
selftest_rc6.h
drm/i915/gt: SPDX cleanup
2021-03-24 19:30:34 +01:00
selftest_reset.c
drm/i915: Refactor confusing __intel_gt_reset()
2024-04-24 18:48:31 +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
Merge tag 'drm-intel-gt-next-2025-02-26' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
2025-03-13 07:54:41 +10:00
selftest_rps.h
…
selftest_slpc.c
Merge drm/drm-next into drm-intel-gt-next
2025-02-05 09:29:14 +00:00
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: Use struct resource for memory region IO as well
2024-02-07 01:58:40 +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: Replace kmap with its safer kmap_local_page counterpart
2025-02-17 15:02:43 +01:00
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: Continue creating engine sysfs files even after a failure
2024-08-24 00:28:55 +02:00
sysfs_engines.h
…