AuxXxilium/linux_dsm_epyc7002
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09eac82772
linux_dsm_epyc7002/drivers/gpu/drm/i915
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Imre Deak 09eac82772 drm/i915/tgl+: Fix TBT DPLL fractional divider for 38.4MHz ref clock 
When the reference clock is 38.4MHz, using the current TBT PLL
fractional divider value results in a slightly off TBT link frequency.
This causes an endless loop of link training success followed by a bad
link signaling and retraining at least on a Dell WD19TB TBT dock.  The
workaround provided by the HW team is to divide the fractional divider
value by two. This fixed the link training problem on the ThinkPad dock.

The same workaround is needed on some EHL platforms and for combo PHY
PLLs, these will be addressed in a follow-up.

Bspec: 49204

References: HSDES#22010772725
References: HSDES#14011861142
Reported-and-tested-by: Khaled Almahallawy <khaled.almahallawy@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Khaled Almahallawy <khaled.almahallawy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200629185848.20550-1-imre.deak@intel.com
2020-07-01 15:39:00 +03:00
..
display drm/i915/tgl+: Fix TBT DPLL fractional divider for 38.4MHz ref clock 2020-07-01 15:39:00 +03:00
gem drm/i915/gem: Move obj->lut_list under its own lock 2020-07-01 11:58:49 +01:00
gt drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
gvt Merge drm/drm-next into drm-intel-next-queued 2020-06-25 18:05:03 +03:00
selftests Merge drm/drm-next into drm-intel-next-queued 2020-06-25 18:05:03 +03:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
i915_active_types.h
i915_active.c drm/i915: Allow asynchronous waits on the i915_active barriers 2020-04-06 19:48:06 +01:00
i915_active.h drm/i915: Allow asynchronous waits on the i915_active barriers 2020-04-06 19:48:06 +01:00
i915_buddy.c drm/i915/buddy: avoid double list_add 2020-03-06 14:33:08 +00:00
i915_buddy.h
i915_cmd_parser.c drm/i915: Whitelist context-local timestamp in the gen9 cmdparser 2020-06-02 16:35:29 +03:00
i915_config.c drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT 2020-05-09 12:57:57 +01:00
i915_debugfs_params.c drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
i915_debugfs_params.h
i915_debugfs.c drm/i915: Skip stale object handle for debugfs per-file-stats 2020-06-30 18:35:15 +01:00
i915_debugfs.h drm/i915: have *_debugfs_init() functions return void. 2020-03-18 16:27:22 +01:00
i915_drv.c Merge drm/drm-next into drm-intel-next-queued 2020-06-25 18:05:03 +03:00
i915_drv.h drm/i915/gem: Avoid kmalloc under i915->mm_lock 2020-06-30 19:36:16 +01:00
i915_fixed.h
i915_gem_evict.c drm/i915: Handle idling during i915_gem_evict_something busy loops 2020-05-13 14:39:41 -07:00
i915_gem_gtt.c drm/i915: significantly reduce the use of <drm/i915_drm.h> 2020-02-27 08:35:09 +02:00
i915_gem_gtt.h drm/i915: Remove PIN_UPDATE for i915_vma_pin 2020-05-21 17:33:51 +01:00
i915_gem.c drm/i915: Leave vma intact as they are discarded 2020-06-12 10:13:07 +01:00
i915_gem.h
i915_getparam.c drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
i915_globals.c
i915_globals.h
i915_gpu_error.c drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
i915_gpu_error.h drm/i915: Replace zero-length array with flexible-array 2020-05-09 12:59:23 +01:00
i915_ioc32.c i915 compat ioctl(): just use drm_ioctl_kernel() 2020-05-01 20:35:26 -04:00
i915_ioc32.h drm/i915: add i915_ioc32.h for compat 2020-03-02 13:32:37 +02:00
i915_irq.c drm/i915: Extend Wa_14010685332 to all ICP+ PCH's 2020-06-25 22:39:50 -07:00
i915_irq.h drm/i915: Convert to CRTC VBLANK callbacks 2020-02-13 13:08:13 +01:00
i915_memcpy.c drm/i915: remove always-defined CONFIG_AS_MOVNTDQA 2020-04-09 00:01:59 +09:00
i915_memcpy.h
i915_mm.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
i915_params.c drm/i915: fix a couple of spelling mistakes in kernel parameter help text 2020-06-30 11:30:02 +03:00
i915_params.h drm/i915: Add psr_safest_params 2020-06-04 19:36:48 -07:00
i915_pci.c Merge drm/drm-next into drm-intel-next-queued 2020-06-25 18:05:03 +03:00
i915_perf_types.h drm/i915/perf: Schedule oa_config after modifying the contexts 2020-03-30 18:20:34 +01:00
i915_perf.c Merge branch 'uaccess.i915' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-06-10 16:04:27 -07:00
i915_perf.h
i915_pmu.c drm/i915/gt: Always report the sample time for busy-stats 2020-06-18 09:26:54 +01:00
i915_pmu.h drm/i915: significantly reduce the use of <drm/i915_drm.h> 2020-02-27 08:35:09 +02:00
i915_priolist_types.h drm/i915/gt: Prevent timeslicing into unpreemptable requests 2020-06-16 11:34:23 +03:00
i915_pvinfo.h
i915_query.c Merge drm/drm-next into drm-intel-next-queued 2020-06-25 18:05:03 +03:00
i915_query.h
i915_reg.h drm/i915: Add PSR2 selective fetch registers 2020-06-30 17:25:47 -07:00
i915_request.c drm/i915: Drop i915_request.i915 backpointer 2020-06-03 13:53:39 +01:00
i915_request.h drm/i915: Mark up inline getters as taking a const i915_request 2020-06-16 21:13:58 +01:00
i915_scatterlist.c
i915_scatterlist.h
i915_scheduler_types.h drm/i915: Drop no-semaphore boosting 2020-05-14 06:14:33 +01:00
i915_scheduler.c drm/i915: Don't set queue-priority hint when supressing the reschedule 2020-05-25 15:40:26 +03:00
i915_scheduler.h drm/i915: Mark concurrent submissions with a weak-dependency 2020-05-11 10:54:04 -07:00
i915_selftest.h drm/i915/gem: Implement legacy MI_STORE_DATA_IMM 2020-05-04 15:15:04 +01:00
i915_suspend.c drm/i915: significantly reduce the use of <drm/i915_drm.h> 2020-02-27 08:35:09 +02:00
i915_suspend.h
i915_sw_fence_work.c drm/i915: Immediately execute the fenced work 2020-03-25 13:05:04 +00:00
i915_sw_fence_work.h drm/i915: Immediately execute the fenced work 2020-03-25 13:05:04 +00:00
i915_sw_fence.c drm/i915: Tidy awaiting on dma-fences 2020-05-11 12:56:45 +01:00
i915_sw_fence.h
i915_switcheroo.c drm/i915/switcheroo: use struct drm_device based logging 2020-04-08 13:49:35 +03:00
i915_switcheroo.h
i915_syncmap.c
i915_syncmap.h
i915_sysfs.c drm/i915/gt: Expose engine properties via sysfs 2020-02-28 22:03:19 +00:00
i915_sysfs.h
i915_trace_points.c
i915_trace.h drm/i915: Drop i915_request.i915 backpointer 2020-06-03 13:53:39 +01:00
i915_user_extensions.c
i915_user_extensions.h
i915_utils.c drm/i915: Trim set_timer_ms() intervals 2020-06-04 16:34:00 +01:00
i915_utils.h drm/i915: be more solid in checking the alignment 2020-03-11 23:12:39 +02:00
i915_vgpu.c drm/i915/vgpu: improve vgpu abstractions 2020-03-03 17:46:54 +02:00
i915_vgpu.h drm/i915/vgpu: improve vgpu abstractions 2020-03-03 17:46:54 +02:00
i915_vma_types.h drm/i915/gem: Extract transient execbuf flags from i915_vma 2020-03-03 21:52:51 +00:00
i915_vma.c drm/i915: Leave vma intact as they are discarded 2020-06-12 10:13:07 +01:00
i915_vma.h drm/i915/gt: Remove local entries from GGTT on suspend 2020-05-28 16:55:15 +01:00
intel_device_info.c drm/i915: Identify Cometlake platform 2020-06-02 23:15:34 +01:00
intel_device_info.h drm/i915/rkl: RKL uses ABOX0 for pixel transfers 2020-06-09 10:25:19 -07:00
intel_dram.c drm/i915/dram: prefer struct drm_device based logging 2020-04-08 13:49:35 +03:00
intel_dram.h drm/i915: split out intel_dram.[ch] from i915_drv.c 2020-02-27 09:16:01 +02:00
intel_gvt.c drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
intel_gvt.h
intel_memory_region.c
intel_memory_region.h
intel_pch.c drm/i915: Identify Cometlake platform 2020-06-02 23:15:34 +01:00
intel_pch.h
intel_pm.c drm/i915/gt: Move gen4 GT workarounds from init_clock_gating to workarounds 2020-06-16 11:34:24 +03:00
intel_pm.h drm/i915: Fix includes and local vars order 2020-05-22 14:40:35 +01:00
intel_region_lmem.c drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
intel_region_lmem.h
intel_runtime_pm.c Merge drm/drm-next into drm-intel-next-queued 2020-06-25 18:05:03 +03:00
intel_runtime_pm.h
intel_sideband.c drm/i915: Added required new PCode commands 2020-05-05 13:59:55 +03:00
intel_sideband.h
intel_uncore.c drm/i915/params: switch to device specific parameters 2020-06-22 23:26:40 +03:00
intel_uncore.h drm/i915/selftests: Measure the energy consumed while in RC6 2020-03-25 11:33:05 +00:00
intel_wakeref.c drm/i915: Extend intel_wakeref to support delayed puts 2020-03-23 12:51:05 +00:00
intel_wakeref.h drm/i915: Extend intel_wakeref to support delayed puts 2020-03-23 12:51:05 +00:00
intel_wopcm.c drm/i915: Remove cnl pre-prod workarounds 2020-05-04 18:44:52 +03:00
intel_wopcm.h
Kconfig drm/i915: Update drm/i915 bug filing URL 2020-02-17 21:16:45 +02:00
Kconfig.debug
Kconfig.profile drm/i915: Replace the hardcoded I915_FENCE_TIMEOUT 2020-05-09 12:57:57 +01:00
Kconfig.unstable
Makefile drm/i915/gt: Split low level gen2-7 CS emitters 2020-06-02 10:42:00 +01:00
vlv_suspend.c drm/i915: switch vlv_suspend to use intel uncore register accessors 2020-02-17 11:29:51 +02:00
vlv_suspend.h drm/i915: split out vlv/chv specific suspend/resume code 2020-02-17 11:29:35 +02:00