* Patch "drm/i915: Disable DC states around GMBUS on GLK" has been added to the 4.14-stable tree
@ 2018-01-05 22:06 gregkh
0 siblings, 0 replies; 2+ messages in thread
From: gregkh @ 2018-01-05 22:06 UTC (permalink / raw)
To: ville.syrjala, dhinakaran.pandiyan, gregkh, jani.nikula
Cc: stable, stable-commits
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 <stable@vger.kernel.org> know about it.
>From 3488d0237f6364614f0c59d6d784bb79b11eeb92 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
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 <ville.syrjala@linux.intel.com>
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 <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171208213739.16388-1-ville.syrjala@linux.intel.com
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
(cherry picked from commit 156961ae7bdf6feb72778e8da83d321b273343fd)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
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
^ permalink raw reply [flat|nested] 2+ messages in thread
* Patch "drm/i915: Disable DC states around GMBUS on GLK" has been added to the 4.14-stable tree
@ 2018-03-12 15:41 gregkh
0 siblings, 0 replies; 2+ messages in thread
From: gregkh @ 2018-03-12 15:41 UTC (permalink / raw)
To: ville.syrjala, dhinakaran.pandiyan, gregkh; +Cc: stable, stable-commits
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 <stable@vger.kernel.org> know about it.
>From 156961ae7bdf6feb72778e8da83d321b273343fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
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 <ville.syrjala@linux.intel.com>
commit 156961ae7bdf6feb72778e8da83d321b273343fd upstream.
Prevent the DMC from destroying GMBUS transfers on GLK. GMBUS
lives in PG1 so DC off is all we need.
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171208213739.16388-1-ville.syrjala@linux.intel.com
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
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
@@ -1844,6 +1844,7 @@ void intel_display_power_put(struct drm_
CNL_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))
static const struct i915_power_well_ops i9xx_always_on_power_well_ops = {
Patches currently in stable-queue which might be from ville.syrjala@linux.intel.com are
queue-4.14/drm-i915-update-watermark-state-correctly-in-sanitize_watermarks.patch
queue-4.14/drm-i915-disable-dc-states-around-gmbus-on-glk.patch
^ permalink raw reply [flat|nested] 2+ messages in thread
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