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3fa01d642f
linux_dsm_epyc7002/drivers/gpu/drm/i915
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Matt Roper 3fa01d642f drm/i915/tgl: Program BW_BUDDY registers during display init 
Gen12 can improve bandwidth efficiency by pairing up memory requests
with similar addresses.  We need to program the BW_BUDDY1 and BW_BUDDY2
registers according to the memory configuration during display
initialization to take advantage of this capability.

The magic numbers we program here feel like something that could
definitely change on future platforms, so let's use a table-based
programming scheme to make this easy to extend in the future.

v2:
 - Add separate table for Wa_1409767108.  (Stan)
 - Reorder structure reduce size by a word.  Page mask can still be up
   to 28 bits (even though current values are small) so we should keep
   it as a u32, but just using a u8 for DRAM type instead of the actual
   enum type saves space.  (Lucas, Ville)
 - Rename function to tgl_bw_buddy_init() to be more precise about what
   it does.  (Lucas)

Bspec: 49189
Bspec: 49218
Bspec: 52890
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191205224848.76712-1-matthew.d.roper@intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
2019-12-10 08:09:25 -08:00
..
display drm/i915/tgl: Program BW_BUDDY registers during display init 2019-12-10 08:09:25 -08:00
gem drm/i915/gem: Avoid rcu_barrier() from shrinker paths 2019-12-09 10:49:38 +00:00
gt drm/i915/selftests: fix uninitialized variable sum when summing up values 2019-12-10 14:35:24 +00:00
gvt drm/i915: make more headers self-contained 2019-11-08 10:16:13 +00:00
oa drm/i915/tgl: Add perf support on TGL 2019-10-29 12:53:54 +02:00
selftests drm/i915/guc: kill doorbell code and selftests 2019-12-09 13:55:44 -08:00
i915_active_types.h drm/i915: Serialise i915_active_fence_set() with itself 2019-11-27 17:02:14 +00:00
i915_active.c drm/i915: Serialise i915_active_acquire() with __active_retire() 2019-12-05 21:10:48 +00:00
i915_active.h drm/i915: Specialise i915_active.work lock classes 2019-12-02 21:57:23 +00:00
i915_buddy.c drm/i915/buddy: add missing call to i915_global_register 2019-09-09 10:58:20 +01:00
i915_buddy.h
i915_cmd_parser.c drm/i915: Remove vestigal i915_gem_context locals from cmdparser 2019-12-05 10:27:29 +00:00
i915_debugfs.c drm/i915/guc: kill the GuC client 2019-12-09 13:55:50 -08:00
i915_debugfs.h
i915_drv.c drm/i915: Flesh out device_info pretty printer 2019-12-09 09:58:51 +00:00
i915_drv.h drm/i915/fbc: Wait for vblank after FBC disable on glk+ 2019-12-09 16:10:58 +02:00
i915_fixed.h
i915_gem_evict.c drm/i915: Ignore most failures during evict-vm 2019-12-05 13:50:39 +00:00
i915_gem_fence_reg.c drm/i915: set num_fence_regs to 0 if there is no aperture 2019-10-29 10:35:47 +00:00
i915_gem_fence_reg.h drm/i915: Store i915_ggtt as the backpointer on fence registers 2019-10-16 19:41:36 +01:00
i915_gem_gtt.c drm/i915/gtt: Account for preallocation in asserts 2019-12-07 23:59:19 +00:00
i915_gem_gtt.h drm/i915/gen7: Re-enable full-ppgtt for ivb & hsw 2019-11-30 09:21:12 +00:00
i915_gem.c drm/i915/gem: Avoid rcu_barrier() from shrinker paths 2019-12-09 10:49:38 +00:00
i915_gem.h drm/i915/gem: Manually dump the debug trace on GEM_BUG_ON 2019-11-19 17:44:39 +00:00
i915_getparam.c drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET 2019-12-04 15:11:44 +00:00
i915_globals.c
i915_globals.h
i915_gpu_error.c drm/i915: Flesh out device_info pretty printer 2019-12-09 09:58:51 +00:00
i915_gpu_error.h drm/i915/tgl: Add gam instdone 2019-10-30 09:15:27 +00:00
i915_ioc32.c
i915_irq.c drm/i915/irq: Refactor gen11 display interrupt handling 2019-12-03 11:12:42 -08:00
i915_irq.h drm/i915: Extract the GuC interrupt handlers 2019-10-26 19:28:59 +01:00
i915_memcpy.c
i915_memcpy.h
i915_mm.c
i915_params.c drm/i915/lmem: add the fake lmem region 2019-10-31 20:41:47 +00:00
i915_params.h drm/i915/lmem: add the fake lmem region 2019-10-31 20:41:47 +00:00
i915_pci.c drm/i915/gt: Set the PD again for Haswell 2019-12-03 23:50:19 +00:00
i915_perf_types.h drm/i915/perf: Describe structure members in documentation 2019-10-24 15:01:35 +01:00
i915_perf.c drm/i915/perf: Configure OAR for specific context 2019-12-09 15:38:17 +02:00
i915_perf.h drm/i915/perf: introduce a versioning of the i915-perf uapi 2019-10-14 21:30:25 +01:00
i915_pmu.c drm/i915/pmu: Report frequency as zero while GPU is sleeping 2019-12-06 13:03:36 +00:00
i915_pmu.h drm/i915/pmu: Support multiple GPUs 2019-10-17 10:50:47 +01:00
i915_priolist_types.h drm/i915/gt: Replace hangcheck by heartbeats 2019-10-23 23:52:10 +01:00
i915_pvinfo.h
i915_query.c drm/i915/query: Align flavour of engine data lookup 2019-11-23 19:33:12 +00:00
i915_query.h
i915_reg.h drm/i915/tgl: Program BW_BUDDY registers during display init 2019-12-10 08:09:25 -08:00
i915_request.c drm/i915: Propagate errors on awaiting already signaled fences 2019-12-06 19:09:40 +00:00
i915_request.h drm/i915: Mark up "sentinel" requests 2019-10-12 08:51:17 +01:00
i915_scatterlist.c
i915_scatterlist.h drm/i915: s/for_each_sgt_dma/for_each_sgt_daddr/ 2019-08-29 21:59:16 +01:00
i915_scheduler_types.h drm/i915: Note the addition of timeslicing to the pretend scheduler 2019-10-11 09:36:16 +01:00
i915_scheduler.c drm/i915: Use a ctor for TYPESAFE_BY_RCU i915_request 2019-11-22 10:47:38 +00:00
i915_scheduler.h drm/i915: Use a ctor for TYPESAFE_BY_RCU i915_request 2019-11-22 10:47:38 +00:00
i915_selftest.h drm/i915/selftests: Perform some basic cycle counting of MI ops 2019-11-11 18:30:13 +00:00
i915_suspend.c drm/i915: Drop struct_mutex from suspend state save/restore 2019-10-04 15:39:41 +01:00
i915_suspend.h
i915_sw_fence_work.c
i915_sw_fence_work.h
i915_sw_fence.c drm/i915: Propagate errors on awaiting already signaled dma-fences 2019-12-06 19:09:46 +00:00
i915_sw_fence.h drm/i915: Check for error before calling cmpxchg() 2019-12-06 19:09:33 +00:00
i915_switcheroo.c drm/i915: split out i915_switcheroo.[ch] from i915_drv.c 2019-10-06 11:25:00 +03:00
i915_switcheroo.h drm/i915: split out i915_switcheroo.[ch] from i915_drv.c 2019-10-06 11:25:00 +03:00
i915_syncmap.c
i915_syncmap.h
i915_sysfs.c drm/i915: Extract GT render power state management 2019-10-26 19:28:59 +01:00
i915_sysfs.h
i915_trace_points.c
i915_trace.h drm/i915: Move context management under GEM 2019-10-04 15:39:34 +01:00
i915_user_extensions.c
i915_user_extensions.h
i915_utils.c drm/i915: Rename "inject_load_failure" module parameter 2019-10-29 15:37:57 +00:00
i915_utils.h drm/i915: Fix i915_inject_load_error() name to read *_probe_* 2019-10-29 15:37:57 +00:00
i915_vgpu.c drm/i915: to make vgpu ppgtt notificaiton as atomic operation 2019-09-06 09:53:12 -07:00
i915_vgpu.h
i915_vma.c drm/i915: Change i915_vma_unbind() to report -EAGAIN on activity 2019-12-09 11:49:57 +00:00
i915_vma.h drm/i915: Try hard to bind the context 2019-12-05 13:50:54 +00:00
intel_csr.c drm/i915/dmc: Update ICL DMC version to v1.09 2019-09-27 10:20:39 -07:00
intel_csr.h
intel_device_info.c drm/i915: Flesh out device_info pretty printer 2019-12-09 09:58:51 +00:00
intel_device_info.h drm/i915: Flesh out device_info pretty printer 2019-12-09 09:58:51 +00:00
intel_gvt.c
intel_gvt.h
intel_memory_region.c drm/i915/lmem: add the fake lmem region 2019-10-31 20:41:47 +00:00
intel_memory_region.h drm/i915/lmem: add the fake lmem region 2019-10-31 20:41:47 +00:00
intel_pch.c drm/i915: Fix detection for a CMP-V PCH 2019-11-13 14:03:15 +02:00
intel_pch.h drm/i915: Fix detection for a CMP-V PCH 2019-11-13 14:03:15 +02:00
intel_pm.c drm/i915: Relocate intel_crtc_active() 2019-12-09 16:10:58 +02:00
intel_pm.h drm/i915: Pass dev_priv to ilk_disable_lp_wm() 2019-12-04 15:37:30 +02:00
intel_region_lmem.c drm/i915/lmem: fixup fake lmem teardown 2019-11-06 14:34:10 +00:00
intel_region_lmem.h drm/i915/lmem: add the fake lmem region 2019-10-31 20:41:47 +00:00
intel_runtime_pm.c drm/i915/display: abstract all vgaarb access to intel_vga.[ch] 2019-10-02 13:31:54 +03:00
intel_runtime_pm.h
intel_sideband.c
intel_sideband.h
intel_uncore.c drm/i915/tgl: Introduce gen12 forcewake ranges 2019-09-13 20:07:36 +01:00
intel_uncore.h drm/i915: Only apply a rmw mmio update if the value changes 2019-09-17 15:25:40 +01:00
intel_wakeref.c drm/i915: Mark up the calling context for intel_wakeref_put() 2019-11-20 15:59:23 +00:00
intel_wakeref.h drm/i915: Mark intel_wakeref_get() as a sleeper 2019-11-21 13:22:04 +00:00
intel_wopcm.c
intel_wopcm.h
Kconfig drm/i915: Put future HW and their uAPIs under STAGING & BROKEN 2019-10-27 15:47:10 +00:00
Kconfig.debug Merge drm/drm-next into drm-intel-next-queued 2019-11-15 13:17:39 +02:00
Kconfig.profile drm/i915: Default to a more lenient forced preemption timeout 2019-11-26 09:38:44 +00:00
Kconfig.unstable drm/i915/lmem: add the fake lmem region 2019-10-31 20:41:47 +00:00
Makefile drm/i915/selftests: Wrap vm_mmap() around GEM objects 2019-11-07 21:22:58 +00:00