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Bhawanpreet Lakha 98ab5f3513 drm/amd/display: Fix deadlock during gpu reset v3 
[Why]
during idle optimizations we acquire the dc_lock, this lock is also
acquired during gpu_reset so we end up hanging the system due to a
deadlock

[How]
If we are in gpu reset:
 - disable idle optimizations and skip calls to the dc function

v2: skip idle optimizations calls
v3: add guard for DCN

Fixes: 71338cb4a7 ("drm/amd/display: enable idle optimizations for linux (MALL stutter)")
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-01-13 23:48:47 -05:00
arch Linux 5.10-rc3 2020-11-10 14:36:36 +01:00
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Documentation Merge tag 'drm-msm-next-2020-12-07' of https://gitlab.freedesktop.org/drm/msm into drm-next 2020-12-10 09:42:47 +10:00
drivers drm/amd/display: Fix deadlock during gpu reset v3 2021-01-13 23:48:47 -05:00
fs
include Merge tag 'amd-drm-next-5.11-2020-12-09' of git://people.freedesktop.org/~agd5f/linux into drm-next 2020-12-10 16:55:53 +10:00
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lib Fonts: Add charcount field to font_desc 2020-11-16 16:31:41 +01:00
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MAINTAINERS MAINTAINERS: update radeon/amdgpu/amdkfd git trees 2021-01-11 16:09:02 -05:00
Makefile
README

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.