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Filename Latest commit message Latest commit date
Imre Deak 2cd9a689e9 drm/i915: Refactor intel_display_set_init_power() logic
The device global init_power_on flag is somewhat arbitrary and makes
debugging power refcounting problems difficult. Instead arrange things
so that all display power domain get has a corresponding put call. After
this change we have the following sequences:

driver loading:
intel_power_domains_init_hw();
<other init steps>
intel_power_domains_enable();

driver unloading:
intel_power_domains_disable();
<other uninit steps>
intel_power_domains_fini_hw();

system suspend:
intel_power_domains_disable();
<other suspend steps>
intel_power_domains_suspend();

system resume:
intel_power_domains_resume();
<other resume steps>
intel_power_domains_enable();

at other times while the driver is loaded:
intel_display_power_get();
...
intel_display_power_put();

Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180816123757.3286-2-imre.deak@intel.com
2018-08-16 17:12:15 +03:00
arch On GEM side: 2018-07-20 12:29:24 +10:00
block
certs
crypto
Documentation drm-misc-next for 4.19: 2018-07-20 10:46:49 +10:00
drivers drm/i915: Refactor intel_display_set_init_power() logic 2018-08-16 17:12:15 +03:00
firmware
fs
include drm/i915/cfl: Add a new CFL PCI ID. 2018-08-08 22:31:05 -07:00
init
ipc
kernel drm-misc-next for 4.19: 2018-07-06 10:01:56 +10:00
lib Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next 2018-07-06 08:47:14 +10:00
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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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.