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authorRob Clark <robdclark@gmail.com>2013-11-19 12:10:12 -0500
committerDave Airlie <airlied@redhat.com>2014-06-05 09:54:33 +1000
commit51fd371bbaf94018a1223b4e2cf20b9880fd92d4 (patch)
treee86e8ec3ace2fd61111105d39f5eb2d37378e9a8 /Documentation/DocBook/drm.tmpl
parent4f71d0cb76339a10fd445b0b281acc45c71b6271 (diff)
drm: convert crtc and connection_mutex to ww_mutex (v5)
For atomic, it will be quite necessary to not need to care so much about locking order. And 'state' gives us a convenient place to stash a ww_ctx for any sort of update that needs to grab multiple crtc locks. Because we will want to eventually make locking even more fine grained (giving locks to planes, connectors, etc), split out drm_modeset_lock and drm_modeset_acquire_ctx to track acquired locks. Atomic will use this to keep track of which locks have been acquired in a transaction. v1: original v2: remove a few things not needed until atomic, for now v3: update for v3 of connection_mutex patch.. v4: squash in docbook v5: doc tweaks/fixes Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'Documentation/DocBook/drm.tmpl')
-rw-r--r--Documentation/DocBook/drm.tmpl6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 00f1c25e53df..efef63717ef6 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -1791,6 +1791,12 @@ void intel_crt_init(struct drm_device *dev)
<title>KMS API Functions</title>
!Edrivers/gpu/drm/drm_crtc.c
</sect2>
+ <sect2>
+ <title>KMS Locking</title>
+!Pdrivers/gpu/drm/drm_modeset_lock.c kms locking
+!Iinclude/drm/drm_modeset_lock.h
+!Edrivers/gpu/drm/drm_modeset_lock.c
+ </sect2>
</sect1>
<!-- Internals: kms helper functions -->