From 5eba929d1bb8fb662594b44d02f54fbaa7557a3b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Fri, 31 Oct 2014 11:53:06 +0200 Subject: [PATCH] drm/i915: Kill leftover GTIIR writes from valleyview_irq_preinstall() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit There are two leftover GTIIR writes in valleyview_irq_preinstall(). Looks like the were originally left behind by: commit d18ea1b58a5003eb6fca03aff03c4c01321e6cb1 Author: Daniel Vetter Date: Fri Jul 12 22:43:25 2013 +0200 drm/i915: unify PM interrupt preinstall sequence and then the GTIIR reset was added back here: commit f86f3fb005d0c907285fa8685badcb24ec31ee59 Author: Paulo Zanoni Date: Tue Apr 1 15:37:14 2014 -0300 drm/i915: properly clear IIR at irq_uninstall on Gen5+ so we can kill the leftovers from the vlv code. Cc: Paulo Zanoni Suggested-by: Paulo Zanoni Signed-off-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_irq.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index f2a45f1..318a6a0 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -3128,10 +3128,6 @@ static void valleyview_irq_preinstall(struct drm_device *dev) I915_WRITE(RING_IMR(GEN6_BSD_RING_BASE), 0); I915_WRITE(RING_IMR(BLT_RING_BASE), 0); - /* and GT */ - I915_WRITE(GTIIR, I915_READ(GTIIR)); - I915_WRITE(GTIIR, I915_READ(GTIIR)); - gen5_gt_irq_reset(dev); I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK); -- 2.7.4