drm/i915: provide FBC status in debugfs

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Tools like powertop want to check the current FBC status and report it
to the user.  So add a debugfs file indicating whether FBC is enabled,
and if not, why.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>

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Jesse Barnes 2010-02-05 12:42:41 -08:00 • committed by Eric Anholt

parent 357b13c3e4

commit b5e50c3f56

4 changed files with 66 additions and 0 deletions

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49

drivers/gpu/drm/i915/i915_debugfs.c

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2

drivers/gpu/drm/i915/i915_dma.c

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10

drivers/gpu/drm/i915/i915_drv.h

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5

drivers/gpu/drm/i915/intel_display.c

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