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drm/i915/skl: Document the WM read latency W/A with its name

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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Nick Hoath <nicholas.hoath@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2015-02-09 19:33:07 +00:00 committed by Daniel Vetter
parent e25dca8613
commit 6f97235b8b
1 changed files with 2 additions and 0 deletions
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drivers/gpu/drm/i915/intel_pm.c
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@ -1701,6 +1701,8 @@ static void intel_read_wm_latency(struct drm_device *dev, uint16_t wm[8])
GEN9_MEM_LATENCY_LEVEL_MASK;
/*
* WaWmMemoryReadLatency:skl
*
* punit doesn't take into account the read latency so we need
* to add 2us to the various latency levels we retrieve from
* the punit.