Pull all of the panel init code out of detect() and put it in its own
function. This will be useful in future patches where it's moved from
detect().
Reviewed-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190617201301.133275-6-sean@poorly.run