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Jerry (Fangzhi) Zuo 8c9d90eebd drm/amd/display: Fix MST dp_blank REG_WAIT timeout
Need to blank stream before deallocate MST payload.

[drm:generic_reg_wait [amdgpu]] *ERROR* REG_WAIT timeout 10us * 3000 tries - dce110_stream_encoder_dp_blank line:944
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2201 at /var/lib/dkms/amdgpu/18.50-690240/build/amd/amdgpu/../display/dc/dc_helper.c:249 generic_reg_wait+0xe7/0x160 [amdgpu]
Call Trace:
 dce110_stream_encoder_dp_blank+0x11c/0x180 [amdgpu]
 core_link_disable_stream+0x40/0x230 [amdgpu]
 ? generic_reg_update_ex+0xdb/0x130 [amdgpu]
 dce110_reset_hw_ctx_wrap+0xb7/0x1f0 [amdgpu]
 dce110_apply_ctx_to_hw+0x30/0x430 [amdgpu]
 ? dce110_apply_ctx_for_surface+0x206/0x260 [amdgpu]
 dc_commit_state+0x2ba/0x4d0 [amdgpu]
 amdgpu_dm_atomic_commit_tail+0x297/0xd70 [amdgpu]
 ? amdgpu_bo_pin_restricted+0x58/0x260 [amdgpu]
 ? wait_for_completion_timeout+0x1f/0x120
 ? wait_for_completion_interruptible+0x1c/0x160
 commit_tail+0x3d/0x60 [drm_kms_helper]
 drm_atomic_helper_commit+0xf6/0x100 [drm_kms_helper]
 drm_atomic_connector_commit_dpms+0xe5/0xf0 [drm]
 drm_mode_obj_set_property_ioctl+0x14f/0x250 [drm]
 drm_mode_connector_property_set_ioctl+0x2e/0x40 [drm]
 drm_ioctl+0x1e0/0x430 [drm]
 ? drm_mode_connector_set_obj_prop+0x70/0x70 [drm]
 ? ep_read_events_proc+0xb0/0xb0
 ? ep_scan_ready_list.constprop.18+0x1e6/0x1f0
 ? timerqueue_add+0x52/0x80
 amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
 do_vfs_ioctl+0x90/0x5f0
 SyS_ioctl+0x74/0x80
 do_syscall_64+0x74/0x140
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
---[ end trace 3ed7b77a97d60f72 ]---

Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2018-12-20 12:13:35 -05:00
arch arm64 fixes: 2018-11-24 09:42:32 -08:00
block SCSI: fix queue cleanup race before queue initialization is done 2018-11-14 08:19:10 -07:00
certs
crypto crypto: user - Zeroize whole structure given to user space 2018-11-09 17:35:43 +08:00
Documentation dt-bindings: msm/dsi: Add ref clock for PHYs 2018-12-11 13:07:11 -05:00
drivers drm/amd/display: Fix MST dp_blank REG_WAIT timeout 2018-12-20 12:13:35 -05:00
firmware
fs Final drm/i915 changes for v4.21: 2018-12-06 09:17:51 +10:00
include Merge tag 'drm-msm-next-2018-12-12' of git://people.freedesktop.org/~robclark/linux into drm-next 2018-12-13 10:29:30 +10:00
init memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
ipc ipc: IPCMNI limit check for semmni 2018-10-31 08:54:14 -07:00
kernel swiotlb: Skip cache maintenance on map error 2018-11-21 18:47:58 +01:00
lib XArray updates for 4.20-rc4 2018-11-24 18:44:01 -08:00
LICENSES This is a fairly typical cycle for documentation. There's some welcome 2018-10-24 18:01:11 +01:00
mm Merge drm/drm-next into drm-intel-next-queued 2018-11-20 13:14:08 +02:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-11-24 09:19:38 -08:00
samples VFIO updates for v4.20 2018-10-31 11:01:38 -07:00
scripts drm-misc-next for v4.21: 2018-11-29 10:28:49 +10:00
security selinux/stable-4.20 PR 20181115 2018-11-15 11:26:09 -06:00
sound Linux 4.20-rc4 2018-11-29 10:34:03 +10:00
tools Power management fixes for 4.20-rc4 2018-11-23 10:52:57 -08:00
usr
virt Revert "mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks" 2018-10-26 16:25:19 -07:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap mailmap: Update email for Punit Agrawal 2018-11-05 10:02:11 +00:00
COPYING
CREDITS MAINTAINERS: change Sparse's maintainer 2018-11-25 09:17:43 -08:00
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: Update vmwgfx maintainers 2018-12-05 10:08:35 +01:00
Makefile Linux 4.20-rc4 2018-11-25 14:19:31 -08:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.