[PATCH] drm/i915: Disable WaGsvRC0ResidencyMethod for vlv

From: deepak.s@linux.intel.com
To: intel-gfx@lists.freedesktop.org
Cc: daniel.vetter@ffwll.ch
Subject: [PATCH] drm/i915: Disable WaGsvRC0ResidencyMethod for vlv
Date: Thu, 19 Mar 2015 16:09:44 +0530	[thread overview]
Message-ID: <1426761584-16693-1-git-send-email-deepak.s@linux.intel.com> (raw)

From: Deepak S <deepak.s@linux.intel.com>

Unfortunately WaGsvRC0ResidencyMethod causing system freeze on some
of the baytrail systems :(. Switching back to legacy mode rps.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88012
Signed-off-by: Deepak S <deepak.s@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_irq.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 6d8340d..7bbdede 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -4241,11 +4241,7 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
 	INIT_WORK(&dev_priv->l3_parity.error_work, ivybridge_parity_work);
 
 	/* Let's track the enabled rps events */
-	if (IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv))
-		/* WaGsvRC0ResidencyMethod:vlv */
-		dev_priv->pm_rps_events = GEN6_PM_RP_DOWN_EI_EXPIRED | GEN6_PM_RP_UP_EI_EXPIRED;
-	else
-		dev_priv->pm_rps_events = GEN6_PM_RPS_EVENTS;
+	dev_priv->pm_rps_events = GEN6_PM_RPS_EVENTS;
 
 	INIT_DELAYED_WORK(&dev_priv->gpu_error.hangcheck_work,
 			  i915_hangcheck_elapsed);
-- 
1.9.1

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