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From: <gregkh@linuxfoundation.org>
To: imre.deak@intel.com, jani.nikula@intel.com,
	patrik.jakobsson@linux.intel.com
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] drm/i915/skl: Fix power domain suspend sequence" failed to apply to 4.4-stable tree
Date: Sat, 05 Mar 2016 11:18:01 -0800	[thread overview]
Message-ID: <145720548110083@kroah.com> (raw)


The patch below does not apply to the 4.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

>From bd90123c4973821775d7ffae9891ad36017702a9 Mon Sep 17 00:00:00 2001
From: Imre Deak <imre.deak@intel.com>
Date: Mon, 29 Feb 2016 22:49:02 +0200
Subject: [PATCH] drm/i915/skl: Fix power domain suspend sequence

During system suspend we need to first disable power wells then
unitialize the display core. In case power well support is disabled we
did this in the wrong order, so fix this up.

Fixes: d314cd43 ("drm/i915: fix handling of the disable_power_well module option")
CC: stable@vger.kernel.org
CC: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1456778945-5411-1-git-send-email-imre.deak@intel.com
(cherry picked from commit 2622d79bd9d18fd04b650234e6a218c5f95cf308)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 678ed3475d7e..ef8d24d9a50f 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -2303,15 +2303,15 @@ void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume)
  */
 void intel_power_domains_suspend(struct drm_i915_private *dev_priv)
 {
-	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
-		skl_display_core_uninit(dev_priv);
-
 	/*
 	 * Even if power well support was disabled we still want to disable
 	 * power wells while we are system suspended.
 	 */
 	if (!i915.disable_power_well)
 		intel_display_power_put(dev_priv, POWER_DOMAIN_INIT);
+
+	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
+		skl_display_core_uninit(dev_priv);
 }
 
 /**


             reply	other threads:[~2016-03-05 19:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-05 19:18 gregkh [this message]
2016-03-07 12:41 ` FAILED: patch "[PATCH] drm/i915/skl: Fix power domain suspend sequence" failed to apply to 4.4-stable tree Imre Deak

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