From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon, 8 Sep 2014 16:17:18 +0000 (+0200)
Subject: drm/i915: Don't reinit hpd interrupts after gpu reset
X-Git-Tag: v3.18-rc2~15^2~3^2~17
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a1e470d421f68d69bf35c1ed316a861625010eab;p=platform%2Fkernel%2Flinux-exynos.git

drm/i915: Don't reinit hpd interrupts after gpu reset

Somehow I've overlooked this when simplifying the irq reinit
scheme on gen4.5+ in

commit 78ad455fd229c6f6cc2f390ccbe0d8f1a62d55a9
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu May 22 22:18:21 2014 +0200

    drm/i915: Improve irq handling after gpu resets

Since display interrups in general survive a gpu reset on those
platforms there's also no need to reinit the hotplug settings.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 3870c73..055d5e7 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -871,8 +871,6 @@ int i915_reset(struct drm_device *dev)
 		 */
 		if (INTEL_INFO(dev)->gen > 5)
 			intel_reset_gt_powersave(dev);
-
-		intel_hpd_init(dev);
 	} else {
 		mutex_unlock(&dev->struct_mutex);
 	}