From: Damien Lespiau <damien.lespiau@intel.com>
Date: Mon, 9 Feb 2015 19:33:07 +0000 (+0000)
Subject: drm/i915/skl: Document the WM read latency W/A with its name
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=6f97235b8be5ee8721e784d0b3b95ef2f95edf7c;p=deliverable%2Flinux.git

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

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>
---

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 9b9433f1e1c7..613827596aad 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -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.