This is a note to let you know that I've just added the patch titled
drm/i915/skl: Ensure pipes with changed wms get added to the state
to the 4.8-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-skl-ensure-pipes-with-changed-wms-get-added-to-the-state.patch
and it can be found in the queue-4.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 05a76d3d6ad1ee9f9814f88949cc9305fc165460 Mon Sep 17 00:00:00 2001
From: Lyude <cpaul@xxxxxxxxxx>
Date: Wed, 17 Aug 2016 15:55:57 -0400
Subject: drm/i915/skl: Ensure pipes with changed wms get added to the state
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From: Lyude <cpaul@xxxxxxxxxx>
commit 05a76d3d6ad1ee9f9814f88949cc9305fc165460 upstream.
If we're enabling a pipe, we'll need to modify the watermarks on all
active planes. Since those planes won't be added to the state on
their own, we need to add them ourselves.
Signed-off-by: Lyude <cpaul@xxxxxxxxxx>
Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx>
Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Link: http://patchwork.freedesktop.org/patch/msgid/1471463761-26796-6-git-send-email-cpaul@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_pm.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4065,6 +4065,10 @@ skl_compute_ddb(struct drm_atomic_state
ret = skl_ddb_add_affected_planes(cstate);
if (ret)
return ret;
+
+ ret = drm_atomic_add_affected_planes(state, &intel_crtc->base);
+ if (ret)
+ return ret;
}
return 0;
Patches currently in stable-queue which might be from cpaul@xxxxxxxxxx are
queue-4.8/drm-i915-skl-update-plane-watermarks-atomically-during-plane-updates.patch
queue-4.8/drm-i915-skl-update-ddb-values-atomically-with-wms-plane-attrs.patch
queue-4.8/drm-i915-gen9-fix-the-watermark-res_blocks-value.patch
queue-4.8/drm-i915-move-crtc-updating-in-atomic_commit-into-it-s-own-hook.patch
queue-4.8/drm-i915-skl-ensure-pipes-with-changed-wms-get-added-to-the-state.patch
queue-4.8/drm-i915-gen9-only-add-the-planes-actually-affected-by-ddb-changes.patch
queue-4.8/drm-i915-gen9-fix-plane_blocks_per_line-on-watermarks-calculations.patch
queue-4.8/drm-i915-skl-don-t-try-to-update-plane-watermarks-if-they-haven-t-changed.patch
queue-4.8/drm-i915-sagv-is-not-skl-only-so-rename-a-few-things.patch
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