AuxXxilium/linux_dsm_epyc7002
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5d8e06a3b7
linux_dsm_epyc7002/drivers/gpu/drm
History
Jerry (Fangzhi) Zuo 5d8e06a3b7 drm/amd/display: Drop reusing drm connector for MST 
[why]
It is not safe to keep existing connector while entire topology
has been removed. Could lead potential impact to uapi.
Entirely unregister all the connectors on the topology,
and use a new set of connectors when the topology is plugged back
on.

[How]
Remove the drm connector entirely each time when the
corresponding MST topology is gone.
When hotunplug a connector (e.g., DP2)
1. Remove connector from userspace.
2. Drop it's reference.
When hotplug back on:
1. Detect new topology, and create new connectors.
2. Notify userspace with sysfs hotplug event.
3. Reprobe new connectors, and reassign CRTC from old (e.g., DP2)
to new (e.g., DP3) connector.

Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-11-07 17:05:55 -05:00
..
amd drm/amd/display: Drop reusing drm connector for MST 2018-11-07 17:05:55 -05:00
arc drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
arm drm: malidp: Add the size of the superblocks when calculating total 2018-10-05 15:39:51 +01:00
armada drm: extract drm_atomic_uapi.c 2018-09-09 14:19:18 +02:00
ast drm/ttm: initialize globals during device init (v2) 2018-11-05 14:21:21 -05:00
atmel-hlcdc drm/atmel-hlcdc: support bus-width (12/16/18/24) in endpoint nodes 2018-08-27 21:22:52 +02:00
bochs drm/ttm: initialize globals during device init (v2) 2018-11-05 14:21:21 -05:00
bridge drm/bridge: ti-sn65dsi86: Remove the mystery delay 2018-10-29 11:53:27 -04:00
cirrus drm/ttm: initialize globals during device init (v2) 2018-11-05 14:21:21 -05:00
etnaviv drm/scheduler: Add drm_sched_job_cleanup 2018-11-05 14:21:27 -05:00
exynos drm pull for 4.20-rc1 2018-10-28 17:49:53 -07:00
fsl-dcu drm/fsl-dcu: Replace drm_dev_unref with drm_dev_put 2018-09-26 22:20:16 +02:00
gma500 Merge drm/drm-next into drm-misc-next 2018-08-27 10:00:03 -04:00
hisilicon drm/ttm: initialize globals during device init (v2) 2018-11-05 14:21:21 -05:00
i2c Merge branch 'drm-tda9950-fixes' of git://git.armlinux.org.uk/~rmk/linux-arm into drm-fixes 2018-10-04 10:32:14 +10:00
i810
i915 drm, i915, amdgpu, bridge + core quirk 2018-11-02 10:58:20 -07:00
imx drm/imx: fix build failure without CONFIG_DRM_FBDEV_EMULATION 2018-10-05 12:09:20 +02:00
lib
mediatek drm pull for 4.20-rc1 2018-10-28 17:49:53 -07:00
meson drm/meson: Make DMT timings parameters and pixel clock generic 2018-07-16 11:14:59 +02:00
mga
mgag200 drm/ttm: initialize globals during device init (v2) 2018-11-05 14:21:21 -05:00
msm drm pull for 4.20-rc1 2018-10-28 17:49:53 -07:00
mxsfb drm/mxsfb: Switch to drm_atomic_helper_commit_tail_rpm 2018-09-26 22:07:40 +02:00
nouveau drm/ttm: initialize globals during device init (v2) 2018-11-05 14:21:21 -05:00
omapdrm drm/omap: fix use of freed memory 2018-10-02 09:36:56 +03:00
panel drm/panel: simple: Innolux TV123WAM is actually P120ZDG-BF1 2018-10-29 11:53:28 -04:00
pl111 Merge drm/drm-next into drm-misc-next 2018-09-27 02:54:54 -04:00
qxl drm/ttm: initialize globals during device init (v2) 2018-11-05 14:21:21 -05:00
r128
radeon drm/ttm: initialize globals during device init (v2) 2018-11-05 14:21:21 -05:00
rcar-du drm: rcar-du: Add r8a77990 and r8a77995 device support 2018-09-25 00:41:05 +03:00
rockchip drm/rockchip: Allow driver to be shutdown on reboot/kexec 2018-09-10 10:52:27 +02:00
savage
scheduler drm/scheduler: Add drm_sched_job_cleanup 2018-11-05 14:21:27 -05:00
selftests
shmobile drm: shmobile: convert to SPDX identifiers 2018-09-14 13:54:02 +03:00
sis
sti drm/sti: Use drm_fbdev_generic_setup() 2018-09-25 11:33:51 +02:00
stm drm/stm: Replace drm_dev_unref with drm_dev_put 2018-07-13 10:11:02 +02:00
sun4i drm pull for 4.20-rc1 2018-10-28 17:49:53 -07:00
tdfx
tegra drm/tegra: Changes for v4.20-rc1 2018-09-28 09:47:31 +10:00
tilcdc drm/tilcdc: Convert drm_atomic_helper_suspend/resume() 2018-10-01 15:52:29 +03:00
tinydrm drm/tinydrm: Replace drm_dev_unref with drm_dev_put 2018-08-07 17:09:15 +02:00
ttm drm/ttm: initialize globals during device init (v2) 2018-11-05 14:21:21 -05:00
tve200 drm/tve200: Use drm_fbdev_generic_setup() 2018-09-25 11:34:24 +02:00
udl Merge drm/drm-next into drm-misc-next 2018-09-27 02:54:54 -04:00
v3d drm/scheduler: Add drm_sched_job_cleanup 2018-11-05 14:21:27 -05:00
vc4 Merge drm/drm-next into drm-misc-next 2018-09-27 02:54:54 -04:00
vgem drm/vgem: Remove unecessary dma_fence_ops 2018-08-17 11:22:58 +02:00
via
virtio drm/ttm: initialize globals during device init (v2) 2018-11-05 14:21:21 -05:00
vkms drm/vkms: Fix possible memory leak in _vkms_get_crc() 2018-09-21 10:50:45 +02:00
vmwgfx drm/ttm: initialize globals during device init (v2) 2018-11-05 14:21:21 -05:00
xen drm: Replace NULL with error value in drm_prime_pages_to_sg 2018-07-23 11:47:35 +03:00
zte drm/zte: Use drm_fbdev_generic_setup() 2018-09-25 11:35:33 +02:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c drm, i915, amdgpu, bridge + core quirk 2018-11-02 10:58:20 -07:00
drm_atomic_uapi.c drm/atomic_helper: Stop modesets on unregistered connectors harder 2018-10-19 11:46:46 +03:00
drm_atomic.c drm pull for 4.20-rc1 2018-10-28 17:49:53 -07:00
drm_auth.c
drm_blend.c drm: Clarify DRM_MODE_REFLECT_X/Y documentation 2018-09-11 11:21:30 +01:00
drm_bridge.c drm: bridge: document bridge attach/detach imbalance 2018-09-13 11:28:12 +02:00
drm_bufs.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_cache.c
drm_client.c drm pull for 4.20-rc1 2018-10-28 17:49:53 -07:00
drm_color_mgmt.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_connector.c drm/atomic_helper: Stop modesets on unregistered connectors harder 2018-10-19 11:46:46 +03:00
drm_context.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_crtc_helper_internal.h
drm_crtc_helper.c drm: extract drm_atomic_uapi.c 2018-09-09 14:19:18 +02:00
drm_crtc_internal.h drm: refuse ADDFB2 ioctl for broken bigendian drivers 2018-09-10 07:10:36 +02:00
drm_crtc.c drm pull for 4.20-rc1 2018-10-28 17:49:53 -07:00
drm_debugfs_crc.c Revert "drm: crc: Wait for a frame before returning from open()" 2018-08-22 09:50:16 -07:00
drm_debugfs.c drm/atomic: Use drm_drv_uses_atomic_modeset() for debugfs creation 2018-09-17 19:24:37 -04:00
drm_dma.c
drm_dp_aux_dev.c
drm_dp_cec.c drm_dp_cec: add note about good MegaChips 2900 CEC support 2018-08-31 10:20:38 +02:00
drm_dp_dual_mode_helper.c
drm_dp_helper.c drm: add LG eDP panel to quirk database 2018-09-19 16:44:12 +03:00
drm_dp_mst_topology.c drm_dp_mst_topology: fix broken drm_dp_sideband_parse_remote_dpcd_read() 2018-08-31 10:20:38 +02:00
drm_drv.c drm: Remove drm_global.{c,h} v2 2018-11-05 14:21:21 -05:00
drm_dumb_buffers.c
drm_edid_load.c
drm_edid.c drm, i915, amdgpu, bridge + core quirk 2018-11-02 10:58:20 -07:00
drm_encoder_slave.c
drm_encoder.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_fb_cma_helper.c drm pull for 4.20-rc1 2018-10-28 17:49:53 -07:00
drm_fb_helper.c drm pull for 4.20-rc1 2018-10-28 17:49:53 -07:00
drm_file.c drm: Begin an API for in-kernel clients 2018-07-10 14:51:37 +02:00
drm_flip_work.c
drm_fourcc.c drm: move quirk_addfb_prefer_xbgr_30bpp handling to drm_driver_legacy_fb_format too 2018-09-25 14:49:50 +02:00
drm_framebuffer.c drm: move quirk_addfb_prefer_xbgr_30bpp handling to drm_driver_legacy_fb_format too 2018-09-25 14:49:50 +02:00
drm_gem_cma_helper.c drm: Replace NULL with error value in drm_prime_pages_to_sg 2018-07-23 11:47:35 +03:00
drm_gem_framebuffer_helper.c drm: use drm_driver_legacy_fb_format in drm_gem_fbdev_fb_create 2018-09-25 14:49:49 +02:00
drm_gem.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_hashtab.c
drm_info.c
drm_internal.h drm: Drop drmP.h from drm_connector.c 2018-09-09 14:19:17 +02:00
drm_ioc32.c
drm_ioctl.c drm: Return -EOPNOTSUPP in drm_setclientcap() when driver do not support KMS 2018-09-21 11:19:40 +02:00
drm_irq.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_kms_helper_common.c
drm_lease.c drm pull for 4.20-rc1 2018-10-28 17:49:53 -07:00
drm_legacy.h
drm_lock.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_memory.c
drm_mipi_dsi.c drm: Add support for pps and compression mode command packet 2018-07-25 07:51:05 -04:00
drm_mm.c
drm_mode_config.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_mode_object.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_modes.c drm: drop _mode_ from remaining connector functions 2018-07-13 18:40:27 +02:00
drm_modeset_helper.c
drm_modeset_lock.c
drm_of.c drm/doc: Include drm_of.c helpers 2018-07-13 18:40:28 +02:00
drm_panel_orientation_quirks.c drm: panel-orientation-quirks: Add quirk for Acer One 10 (S1003) 2018-10-17 14:17:38 +02:00
drm_panel.c This is the 4.19-rc6 release 2018-10-04 11:03:34 +10:00
drm_pci.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_plane_helper.c drm: extract drm_atomic_uapi.c 2018-09-09 14:19:18 +02:00
drm_plane.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_prime.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_print.c drm: Add puts callback for the coredump printer 2018-07-30 08:49:41 -04:00
drm_probe_helper.c drm: drop _mode_ from remaining connector functions 2018-07-13 18:40:27 +02:00
drm_property.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_rect.c
drm_scatter.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_scdc_helper.c
drm_simple_kms_helper.c drm: drop _mode_ from drm_mode_connector_attach_encoder 2018-07-13 18:40:27 +02:00
drm_syncobj.c This is the 4.19-rc6 release 2018-10-04 11:03:34 +10:00
drm_sysfs.c
drm_trace_points.c
drm_trace.h
drm_vblank.c drm: Differentiate the lack of an interface from invalid parameter 2018-09-14 17:29:47 +01:00
drm_vm.c
drm_vma_manager.c drm: Remove "protection" around drm_vma_offset_manager_destroy() 2018-09-04 19:00:32 +01:00
drm_writeback.c drm: writeback: Fix doc that says connector should be disconnected 2018-07-16 16:35:27 +01:00
Kconfig drm/fb_helper: Allow leaking fbdev smem_start 2018-10-03 21:08:21 +02:00
Makefile drm: Remove drm_global.{c,h} v2 2018-11-05 14:21:21 -05:00