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The trouble here is that looking at all connector->state in the verifier isn't good, because that's run from the commit work, which doesn't hold the connection_mutex. Which means we're only allowed to look at states in our atomic update. The simple fix for future proofing would be to switch over to drm_for_each_connector_in_state, but that has the problem that the verification then fails if not all connectors are in the state. And we also need to be careful to check both old and new encoders, and not screw things up when an encoder gets reassigned. Note that this isn't the full fix, since we still look at connector->state. To fix that, we need Maarten's patch series to switch over to state pointers within drm_atomic_state, but that's a different series. v2: Use oldnew iterator (Maarten). v3: Rebase onto the iter_get/put->iter_begin/end rename. Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170301095226.30584-6-daniel.vetter@ffwll.ch |
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| firmware | ||
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| .gitignore | ||
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.