drm/i915: Extract reading INSTDONE

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INSTDONE is used in many places, and it varies from generation to
generation. This provides a good reason for us to extract the logic to
read the relevant information.

The patch has no functional change. It's prep for some new stuff.

v2: move the memset inside of i915_get_extra_instdone (Jani)
v3,4: bugs caught by (Jani)

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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This commit is contained in:

Ben Widawsky 2012-08-23 15:18:09 -07:00 • committed by Daniel Vetter

parent 3236f57a01

commit bd9854f995

2 changed files with 32 additions and 19 deletions

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50

drivers/gpu/drm/i915/i915_irq.c

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1

drivers/gpu/drm/i915/i915_reg.h

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