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8904d29416
With the introduction of the forcewake dance:
commit cac8f8b52621f246a7cff412f340a7db28cb1b99
Author: Ben Widawsky <ben@bwidawsk.net>
Date: Thu Jul 28 13:40:19 2011 -0700
forcewake: Add mmio code to do proper forcewake stuff for gen6
We lost the ability to do register access when either debugfs isn't
mounted, or when the driver isn't loaded. The latter can be beneficial
in debugging situations.
This patch will allow the driver to still do mmio (leaving forcewake
management up to the callers) provided that the i915 driver appears to
not be loaded (according to sysfs)
Requested by Jesse.
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>