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562ddcb748
There are a couple places in our driver that loop over transcoders A..D
for gen11+; since RKL only has three pipes/transcoders, this can lead to
unclaimed register reads/writes. We should add checks for transcoder
existence where appropriate.
v2: Move one transcoder check that wound up in the wrong function after
conflict resolution. It belongs in bdw_get_trans_port_sync_config
rather than bxt_get_dsi_transcoder_state.
v3: Switch loops to use for_each_cpu_transcoder_masked() since this
iterator already checks the platform's transcoder mask for us.
(Ville)
Cc: Aditya Swarup <aditya.swarup@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200603211529.3005059-10-matthew.d.roper@intel.com
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
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Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
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There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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the problems which may result by upgrading your kernel.