From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42696 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753095AbeAEWGg (ORCPT ); Fri, 5 Jan 2018 17:06:36 -0500 Subject: Patch "drm/i915: Disable DC states around GMBUS on GLK" has been added to the 4.14-stable tree To: ville.syrjala@linux.intel.com, dhinakaran.pandiyan@intel.com, gregkh@linuxfoundation.org, jani.nikula@intel.com Cc: , From: Date: Fri, 05 Jan 2018 23:06:28 +0100 Message-ID: <1515189988250245@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled drm/i915: Disable DC states around GMBUS on GLK to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-i915-disable-dc-states-around-gmbus-on-glk.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 3488d0237f6364614f0c59d6d784bb79b11eeb92 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Fri, 8 Dec 2017 23:37:36 +0200 Subject: drm/i915: Disable DC states around GMBUS on GLK MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Ville Syrjälä commit 3488d0237f6364614f0c59d6d784bb79b11eeb92 upstream. Prevent the DMC from destroying GMBUS transfers on GLK. GMBUS lives in PG1 so DC off is all we need. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20171208213739.16388-1-ville.syrjala@linux.intel.com Reviewed-by: Dhinakaran Pandiyan (cherry picked from commit 156961ae7bdf6feb72778e8da83d321b273343fd) Signed-off-by: Jani Nikula Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/intel_runtime_pm.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -1786,6 +1786,7 @@ void intel_display_power_put(struct drm_ GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS | \ BIT_ULL(POWER_DOMAIN_MODESET) | \ BIT_ULL(POWER_DOMAIN_AUX_A) | \ + BIT_ULL(POWER_DOMAIN_GMBUS) | \ BIT_ULL(POWER_DOMAIN_INIT)) #define CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \ Patches currently in stable-queue which might be from ville.syrjala@linux.intel.com are queue-4.14/drm-i915-apply-display-wa-1183-on-skl-kbl-and-cfl.patch queue-4.14/drm-i915-disable-dc-states-around-gmbus-on-glk.patch