linux_dsm_epyc7002/drivers/gpu/drm/nouveau
Lyude Paul 5ff0cb1ce2 drm/nouveau/kms/nv50-: Use less encoders by making mstos per-head
Currently, for every single MST capable DRM connector we create a set of
fake encoders, one for each possible head. Unfortunately this ends up
being a huge waste of encoders. While this currently isn't causing us
any problems, it's extremely close to doing so.

The ThinkPad P71 is a good example of this. Originally when trying to
figure out why nouveau was failing to load on this laptop, I discovered
it was because nouveau was creating too many encoders. This ended up
being because we were mistakenly creating MST encoders for the eDP port,
however we are still extremely close to hitting the encoder limit on
this machine as it exposes 1 eDP port and 5 DP ports, resulting in 31
encoders.

So while this fix didn't end up being necessary to fix the P71, we still
need to implement this so that we avoid hitting the encoder limit for
valid display configurations in the event that some machine with more
connectors then this becomes available. Plus, we don't want to let good
code go to waste :)

So, use less encoders by only creating one MSTO per head. Then, attach
each new MSTC to each MSTO which corresponds to a head that it's parent
DP port is capable of using. This brings the number of encoders we
register on the ThinkPad P71 from 31, down to just 15. Yay!

Signed-off-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2020-01-15 10:49:58 +10:00
..
dispnv04 Merge drm/drm-next into drm-misc-next 2019-10-03 16:38:50 +02:00
dispnv50 drm/nouveau/kms/nv50-: Use less encoders by making mstos per-head 2020-01-15 10:49:58 +10:00
include drm/nouveau/gpio: check function 76 in the power check as well 2019-08-23 12:55:34 +10:00
nvif drm/nouveau/mmu: use struct_size() helper 2019-08-23 12:55:31 +10:00
nvkm drm/nouveau/gr/gk208-gm10x: regenerate built-in firmware 2020-01-15 10:49:58 +10:00
Kbuild drm/nouveau: fix bogus GPL-2 license header 2019-07-19 16:26:51 +10:00
Kconfig drm/nouveau: Fix Kconfig indentation 2019-11-20 17:40:32 +01:00
nouveau_abi16.c drm/nouveau: remove open-coded drm_invalid_op() 2019-08-07 11:52:08 -04:00
nouveau_abi16.h drm/nouveau: remove open-coded drm_invalid_op() 2019-08-07 11:52:08 -04:00
nouveau_acpi.c drm/nouveau: fix bogus GPL-2 license header 2019-07-19 16:26:50 +10:00
nouveau_acpi.h drm/nouveau: fix bogus GPL-2 license header 2019-07-19 16:26:50 +10:00
nouveau_backlight.c drm/nouveau: register backlight on pascal and newer 2019-01-11 16:25:54 +10:00
nouveau_bios.c drm/nouveau/bios: downgrade absence of tmds table to info from an error 2019-08-23 12:55:31 +10:00
nouveau_bios.h
nouveau_bo.c drm/nouveau: Fix ordering between TTM and GEM release 2019-09-17 14:50:16 +10:00
nouveau_bo.h drm/nouveau: Fix fallout from reservation object rework 2019-09-17 14:50:15 +10:00
nouveau_chan.c drm/nouveau/svm: initial support for shared virtual memory 2019-02-20 09:00:02 +10:00
nouveau_chan.h drm/nouveau: fix bogus GPL-2 license header 2019-07-19 16:26:50 +10:00
nouveau_connector.c drm/nouveau: Fix drm-core using atomic code-paths on pre-nv50 hardware 2019-12-10 21:34:52 +10:00
nouveau_connector.h drm/nouveau: Fix drm-core using atomic code-paths on pre-nv50 hardware 2019-12-10 21:34:52 +10:00
nouveau_crtc.h drm/nouveau: drop drmP.h from all header files 2019-08-23 12:55:30 +10:00
nouveau_debugfs.c drm/nouveau/debugfs: Fix check of pm_runtime_get_sync failure 2019-03-22 09:57:58 +10:00
nouveau_debugfs.h drm/nouveau: drop drmP.h from all header files 2019-08-23 12:55:30 +10:00
nouveau_display.c drm/nouveau: Resume hotplug interrupts earlier 2019-10-24 14:28:06 -04:00
nouveau_display.h drm/nouveau: drop drmP.h from nouveau_drv.h 2019-08-23 12:55:30 +10:00
nouveau_dma.c drm/nouveau: drop use of DRM_UDELAY 2019-08-23 12:55:30 +10:00
nouveau_dma.h
nouveau_dmem.c mm: remove the unused MIGRATE_PFN_DEVICE flag 2019-08-20 09:35:03 -03:00
nouveau_dmem.h nouveau: remove a few function stubs 2019-08-20 09:35:03 -03:00
nouveau_dp.c drm/nouveau: drop use of drmp.h 2019-08-23 12:55:31 +10:00
nouveau_drm.c hmm related patches for 5.4 2019-09-21 10:07:42 -07:00
nouveau_drv.h drm/nouveau: use drm_debug_enabled() to check for debug categories 2019-11-14 14:08:38 +02:00
nouveau_encoder.h
nouveau_fbcon.c drm: constify fb ops across all drivers 2019-12-05 10:57:42 +02:00
nouveau_fbcon.h drm/nouveau: Use drm_fb_helper_fill_info 2019-03-27 10:03:16 +01:00
nouveau_fence.c drm/nouveau: drop use of drmp.h 2019-08-23 12:55:31 +10:00
nouveau_fence.h drm/nouveau: fix bogus GPL-2 license header 2019-07-19 16:26:50 +10:00
nouveau_gem.c drm/nouveau: slowpath for pushbuf ioctl 2019-11-06 11:23:27 +01:00
nouveau_gem.h drm/nouveau: drop drmP.h from all header files 2019-08-23 12:55:30 +10:00
nouveau_hwmon.c drm/nouveau: drop use of drmp.h 2019-08-23 12:55:31 +10:00
nouveau_hwmon.h
nouveau_ioc32.c drm/nouveau: drop use of drmp.h 2019-08-23 12:55:31 +10:00
nouveau_ioctl.h drm/nouveau: fix bogus GPL-2 license header 2019-07-19 16:26:50 +10:00
nouveau_led.c
nouveau_led.h
nouveau_mem.c
nouveau_mem.h
nouveau_nvif.c
nouveau_platform.c
nouveau_platform.h
nouveau_prime.c drm/nouveau/prime: Extend DMA reservation object lock 2019-09-17 14:50:15 +10:00
nouveau_reg.h drm/nouveau: fix bogus GPL-2 license header 2019-07-19 16:26:50 +10:00
nouveau_sgdma.c drm/nouveau: fix bogus GPL-2 license header 2019-07-19 16:26:50 +10:00
nouveau_svm.c nouveau: use mmu_interval_notifier instead of hmm_mirror 2019-11-23 19:56:44 -04:00
nouveau_svm.h drm/nouveau/svm: new ioctl to migrate process memory to GPU memory 2019-02-20 09:00:03 +10:00
nouveau_ttm.c drm/nouveau: switch to gem vma offset manager 2019-09-11 08:03:23 +02:00
nouveau_ttm.h drm/nouveau: fix bogus GPL-2 license header 2019-07-19 16:26:50 +10:00
nouveau_usif.c
nouveau_usif.h drm/nouveau: fix bogus GPL-2 license header 2019-07-19 16:26:50 +10:00
nouveau_vga.c drm/nouveau: drop use of drmp.h 2019-08-23 12:55:31 +10:00
nouveau_vga.h drm/nouveau: fix bogus GPL-2 license header 2019-07-19 16:26:50 +10:00
nouveau_vmm.c drm/nouveau/svm: initial support for shared virtual memory 2019-02-20 09:00:02 +10:00
nouveau_vmm.h drm/nouveau/svm: initial support for shared virtual memory 2019-02-20 09:00:02 +10:00
nv04_fbcon.c
nv04_fence.c
nv10_fence.c
nv10_fence.h drm/nouveau: fix bogus GPL-2 license header 2019-07-19 16:26:50 +10:00
nv17_fence.c
nv50_display.h
nv50_fbcon.c
nv50_fence.c
nv84_fence.c drm/nouveau: prepare for enabling svm with existing userspace interfaces 2019-02-20 09:00:01 +10:00
nvc0_fbcon.c
nvc0_fence.c