drm/i915: Take forcewake once for the entire GMBUS transaction

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As we do many register reads within a very short period of time, hold
the GMBUS powerwell from start to finish.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160819164503.17845-1-chris@chris-wilson.co.uk
Reviewed-by: David Weinehall <david.weinehall@linux.intel.com>

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Chris Wilson 2016-08-19 17:45:02 +01:00

parent 637ee29eff

commit 4e6c2d58ba

1 changed files with 63 additions and 68 deletions

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131

drivers/gpu/drm/i915/intel_i2c.c

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