[Intel-gfx] [PATCH 03/18] drm/i915/skl: Document the WM read latency W/A with its name

Damien Lespiau damien.lespiau at intel.com
Mon Feb 9 11:33:07 PST 2015


Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index a3b979d..6fd6f26 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.
-- 
1.8.3.1



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