drm/i915/fbc: add comments to the FBC auxiliary structs

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I wrote this code an year and a half ago and I couldn't exactly
remember the main differences of these two structures when reviewing a
new FBC patch. Add some comments to help explain what's the purpose of
each struct.

For the record, the original commits are:
 b183b3f143 ("drm/i915/fbc: introduce struct intel_fbc_reg_params")
 aaf78d276b ("drm/i915/fbc: introduce struct intel_fbc_state_cache")

Cc: Praveen Paneri <praveen.paneri@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170714193822.12121-1-paulo.r.zanoni@intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Paulo Zanoni 2017-07-14 16:38:22 -03:00 • committed by Daniel Vetter

parent 746a517326

commit 525a4f9382

1 changed files with 12 additions and 0 deletions

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drivers/gpu/drm/i915/i915_drv.h

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