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Maxime Ripard a16c66401f
drm/vc4: crtc: Drop feed_txp from state 
Accessing the crtc->state pointer from outside the modesetting context
is not allowed. We thus need to copy whatever we need from the KMS state
to our structure in order to access it.

In VC4, a number of users of that pointers have crept in over the years,
the first one being whether or not the downstream controller of the
pixelvalve is our writeback controller.

Fortunately for us, Since commit 39fcb28083 ("drm/vc4: txp: Turn the
TXP into a CRTC of its own") this is no longer something that can change
from one commit to the other and is hardcoded.

Let's set this flag in struct vc4_crtc if we happen to be the TXP, and
drop the flag from our private state structure.

Link: https://lore.kernel.org/all/YWgteNaNeaS9uWDe@phenom.ffwll.local/
Link: https://lore.kernel.org/r/20211025141113.702757-2-maxime@cerno.tech
Fixes: 008095e065 ("drm/vc4: Add support for the transposer block")
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2021-11-05 12:53:16 +01:00
arch x86/MCE/AMD: Export smca_get_bank_type symbol 2021-10-06 15:53:24 -04:00
block blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd 2021-09-15 12:03:18 -06:00
certs
crypto
Documentation dt-bindings:drm/bridge:anx7625:add vendor define 2021-11-04 11:13:56 +01:00
drivers drm/vc4: crtc: Drop feed_txp from state 2021-11-05 12:53:16 +01:00
fs iov_iter.3-5.15-2021-09-17 2021-09-17 09:23:44 -07:00
include drm/probe-helper: add drm_kms_helper_connector_hotplug_event 2021-11-02 14:27:10 +01:00
init memblock: introduce saner 'memblock_free_ptr()' interface 2021-09-14 13:23:22 -07:00
ipc ipc: remove memcg accounting for sops objects in do_semtimedop() 2021-09-14 10:22:11 -07:00
kernel Merge tag 'drm-intel-gt-next-2021-10-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next 2021-10-11 18:09:39 +10:00
lib Merge tag 'drm-intel-gt-next-2021-10-08' of git://anongit.freedesktop.org/drm/drm-intel into drm-next 2021-10-11 18:09:39 +10:00
LICENSES
mm drm-misc-next for $kernel-version: 2021-09-22 15:30:40 +10:00
net Networking fixes for 5.15-rc2, including fixes from bpf. 2021-09-16 13:05:42 -07:00
samples
scripts Kbuild fixes for v5.15 2021-09-19 12:55:12 -07:00
security
sound
tools powerpc fixes for 5.15 #2 2021-09-19 13:00:23 -07:00
usr
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.cocciconfig
.get_maintainer.ignore
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MAINTAINERS MAINTAINERS: add reviewers for virtio-gpu 2021-10-29 08:26:23 +02:00
Makefile Linux 5.15-rc2 2021-09-19 17:28:22 -07:00
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.