drm/i915/gen9: extract parse_csr_fw
The loader function will get a bit more complicated soon, extract the parsing code to make the control flow clearer. While doing that just use dev_priv->csr.dmc_payload as the indicator for whether it all suceeded or not. v2-v3: - unchanged v4: - rebased on top of latest drm-intel-nightly Cc: Damien Lespiau <damien.lespiau@intel.com> Cc: Imre Deak <imre.deak@intel.com> Cc: Sunil Kamath <sunil.kamath@intel.com> Signed-off-by: NDaniel Vetter <daniel.vetter@intel.com> Signed-off-by: NAnimesh Manna <animesh.manna@intel.com> [imre: remove note about BE cast from commit message, it's not relevant any more] Signed-off-by: NImre Deak <imre.deak@intel.com> Tested-by: Daniel Stone <daniels@collabora.com> # SKL [Jani: fix checkpatch warn on multiple blank lines] Signed-off-by: NJani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1447341089-2735-1-git-send-email-imre.deak@intel.com
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