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In case of DSI cmd mode, we get hw vblank counter updated after the TE comes in, if we try to read the hw vblank counter in te handler we wouldnt have the udpated vblank counter yet. This will lead to a state where we would send the vblank event to the user space in the next te, though the frame update would have completed in the first TE duration itself. Hence switch to using software timestamp based vblank counter. v2: Use mode_flags from crtc_state (Ville) Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200924124209.17916-6-vandita.kulkarni@intel.com
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.