* Patch "drm/i915: Let execlist_update_context() cover !FULL_PPGTT mode." has been added to the 4.10-stable tree
@ 2017-04-06 8:07 gregkh
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From: gregkh @ 2017-04-06 8:07 UTC (permalink / raw)
To: zhi.a.wang, chris, gregkh, jani.nikula, joonas.lahtinen,
michal.winiarski, michel.thierry, tvrtko.ursulin, zhenyuw,
zhiyuan.lv
Cc: stable, stable-commits
This is a note to let you know that I've just added the patch titled
drm/i915: Let execlist_update_context() cover !FULL_PPGTT mode.
to the 4.10-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-let-execlist_update_context-cover-full_ppgtt-mode.patch
and it can be found in the queue-4.10 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 26d12c619476ccbc6725aa4a17dcb1d41d5774e7 Mon Sep 17 00:00:00 2001
From: Zhi Wang <zhi.a.wang@intel.com>
Date: Mon, 6 Feb 2017 18:37:16 +0800
Subject: drm/i915: Let execlist_update_context() cover !FULL_PPGTT mode.
From: Zhi Wang <zhi.a.wang@intel.com>
commit 26d12c619476ccbc6725aa4a17dcb1d41d5774e7 upstream.
execlist_update_context() will try to update PDPs in a context before a
ELSP submission only for full PPGTT mode, while PDPs was populated during
context initialization. Now the latter code path is removed. Let
execlist_update_context() also cover !FULL_PPGTT mode.
Fixes: 34869776c76b ("drm/i915: check ppgtt validity when init reg state")
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhiyuan Lv <zhiyuan.lv@intel.com>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1486377436-15380-1-git-send-email-zhi.a.wang@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit 04da811b3d821567e7a9a8a0baf48a6c1718b582)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/i915/intel_lrc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -362,7 +362,8 @@ execlists_update_context_pdps(struct i91
static u64 execlists_update_context(struct drm_i915_gem_request *rq)
{
struct intel_context *ce = &rq->ctx->engine[rq->engine->id];
- struct i915_hw_ppgtt *ppgtt = rq->ctx->ppgtt;
+ struct i915_hw_ppgtt *ppgtt =
+ rq->ctx->ppgtt ?: rq->i915->mm.aliasing_ppgtt;
u32 *reg_state = ce->lrc_reg_state;
reg_state[CTX_RING_TAIL+1] = rq->tail;
Patches currently in stable-queue which might be from zhi.a.wang@intel.com are
queue-4.10/drm-i915-let-execlist_update_context-cover-full_ppgtt-mode.patch
queue-4.10/drm-i915-move-the-release-of-pt-page-to-the-upper-caller.patch
queue-4.10/drm-i915-kvmgt-hold-struct-kvm-reference.patch
queue-4.10/drm-i915-a-hotfix-for-making-aliasing-ppgtt-work-for-gvt-g.patch
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2017-04-06 8:07 Patch "drm/i915: Let execlist_update_context() cover !FULL_PPGTT mode." has been added to the 4.10-stable tree gregkh
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