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Use the added helpers to track MST link bandwidth for atomic modesets. Link bw is acquired in the ->atomic_check() phase when CRTCs are being enabled with drm_atomic_find_vcpi_slots(). Similarly, link bw is released during ->atomic_check() with the connector helper callback ->atomic_check() when CRTCs are disabled. v6: active_changed does not alter vcpi allocations (Maarten) v5: Implement connector->atomic_check() in place of atomic_release() v4: Return an int from intel_dp_mst_atomic_release() (Maarten) v3: Handled the case where ->atomic_release() is called more than once during an atomic_check() for the same state. v2: Squashed atomic_release() implementation and caller (Daniel) Fixed logic for connector-crtc switching case (Daniel) Fixed logic for suspend-resume case. Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Archit Taneja <architt@codeaurora.org> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Harry Wentland <Harry.wentland@amd.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1493421260-3146-1-git-send-email-dhinakaran.pandiyan@intel.com |
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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.