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drm/i915: Simplify VLV drain latency computation
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Thu, 5 Mar 2015 19:19:43 +0000 (21:19 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 17 Mar 2015 21:30:02 +0000 (22:30 +0100)
commitabfc00b545ba2c4dee1dcb124be59f34df3ed7d9
treeb235093e7f033a20ec8e176e734c416c44a13ff6tree | snapshot (tar.gz zip)
parent120305166aa8da2e8166d7ac1adce30194e6e24fcommit | diff
drm/i915: Simplify VLV drain latency computation

The current drain lantency computation relies on hardcoded limits to
determine when the to use the low vs. high precision multiplier.
Rewrite the code to use a more straightforward approach.

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_pm.c diff | blob | blame | history