[PATCH 3/5] drm/i915: Remove VLV A0 hack

From: Wayne Boyer <wayne.boyer@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Subject: [PATCH 3/5] drm/i915: Remove VLV A0 hack
Date: Mon,  7 Dec 2015 10:51:08 -0800	[thread overview]
Message-ID: <1449514270-15171-4-git-send-email-wayne.boyer@intel.com> (raw)
In-Reply-To: <1449514270-15171-1-git-send-email-wayne.boyer@intel.com>

Do some further clean up based on the initial review of
drm/i915: Separate cherryview from valleyview.

In this case remove a hack for VLV A0.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Wayne Boyer <wayne.boyer@intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b722a61..4556500 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4838,14 +4838,6 @@ int i915_gem_init(struct drm_device *dev)
 
 	mutex_lock(&dev->struct_mutex);
 
-	if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
-		/* VLVA0 (potential hack), BIOS isn't actually waking us */
-		I915_WRITE(VLV_GTLC_WAKE_CTRL, VLV_GTLC_ALLOWWAKEREQ);
-		if (wait_for((I915_READ(VLV_GTLC_PW_STATUS) &
-			      VLV_GTLC_ALLOWWAKEACK), 10))
-			DRM_DEBUG_DRIVER("allow wake ack timed out\n");
-	}
-
 	if (!i915.enable_execlists) {
 		dev_priv->gt.execbuf_submit = i915_gem_ringbuffer_submission;
 		dev_priv->gt.init_rings = i915_gem_init_rings;
-- 
2.6.3

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