From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Fri, 11 Oct 2013 19:09:30 +0000 (-0700)
Subject: drm/i915/vlv: add doc names to sideband file
X-Git-Tag: firefly_0821_release~176^2~4523^2~90^2~195
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d8228d0d51fcd6f14c5a96319539dce14508bf19;p=firefly-linux-kernel-4.4.55.git

drm/i915/vlv: add doc names to sideband file

So digging out the right ones is a little easier.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_sideband.c b/drivers/gpu/drm/i915/intel_sideband.c
index acd1cfe8b7dd..9944d8135e87 100644
--- a/drivers/gpu/drm/i915/intel_sideband.c
+++ b/drivers/gpu/drm/i915/intel_sideband.c
@@ -25,7 +25,10 @@
 #include "i915_drv.h"
 #include "intel_drv.h"
 
-/* IOSF sideband */
+/*
+ * IOSF sideband, see VLV2_SidebandMsg_HAS.docx and
+ * VLV_VLV2_PUNIT_HAS_0.8.docx
+ */
 static int vlv_sideband_rw(struct drm_i915_private *dev_priv, u32 devfn,
 			   u32 port, u32 opcode, u32 addr, u32 *val)
 {