From 2f2a8fe80a175494f9cedce942cc5f42bf6fbd82 Mon Sep 17 00:00:00 2001 From: jc_gargma Date: Tue, 28 Apr 2020 10:49:48 -0700 Subject: Updated to 5.6.7 --- ...15-gem-Try-to-flush-pending-unbind-events.patch | 64 ---------------------- 1 file changed, 64 deletions(-) delete mode 100644 0007-drm-i915-gem-Try-to-flush-pending-unbind-events.patch (limited to '0007-drm-i915-gem-Try-to-flush-pending-unbind-events.patch') diff --git a/0007-drm-i915-gem-Try-to-flush-pending-unbind-events.patch b/0007-drm-i915-gem-Try-to-flush-pending-unbind-events.patch deleted file mode 100644 index 52196eb..0000000 --- a/0007-drm-i915-gem-Try-to-flush-pending-unbind-events.patch +++ /dev/null @@ -1,64 +0,0 @@ -From bfe34ef7e07d52ada331df8e1c5938906693b950 Mon Sep 17 00:00:00 2001 -From: Chris Wilson -Date: Wed, 4 Dec 2019 12:35:56 +0000 -Subject: drm/i915/gem: Try to flush pending unbind events - -If we cannot handle a vma within the unbind loop, try to flush the -pending events (i915_vma_parked, i915_vm_release) and try again. This -avoids a round trip to userspace that is not guaranteed to make forward -progress, as the events we wait upon require being idle. - -References: cb6c3d45f948 ("drm/i915/gem: Avoid parking the vma as we unbind") -Signed-off-by: Chris Wilson -Cc: Matthew Auld -Reviewed-by: Matthew Auld -Link: https://patchwork.freedesktop.org/patch/msgid/20191204123556.3740002-1-chris@chris-wilson.co.uk ---- - drivers/gpu/drm/i915/i915_gem.c | 10 +++++++++- - 1 file changed, 9 insertions(+), 1 deletion(-) - -diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c -index 739543812422..85b12228c2cf 100644 ---- a/drivers/gpu/drm/i915/i915_gem.c -+++ b/drivers/gpu/drm/i915/i915_gem.c -@@ -123,7 +123,7 @@ int i915_gem_object_unbind(struct drm_i915_gem_object *obj, - LIST_HEAD(still_in_list); - intel_wakeref_t wakeref; - struct i915_vma *vma; -- int ret = 0; -+ int ret; - - if (!atomic_read(&obj->bind_count)) - return 0; -@@ -136,6 +136,8 @@ int i915_gem_object_unbind(struct drm_i915_gem_object *obj, - */ - wakeref = intel_runtime_pm_get(rpm); - -+try_again: -+ ret = 0; - spin_lock(&obj->vma.lock); - while (!ret && (vma = list_first_entry_or_null(&obj->vma.list, - struct i915_vma, -@@ -153,6 +155,7 @@ int i915_gem_object_unbind(struct drm_i915_gem_object *obj, - } else { - if (i915_vma_is_closed(vma)) { - spin_unlock(&obj->vma.lock); -+ i915_vma_parked(vm->gt); - goto err_vm; - } - } -@@ -174,6 +177,11 @@ err_vm: - list_splice(&still_in_list, &obj->vma.list); - spin_unlock(&obj->vma.lock); - -+ if (ret == -EAGAIN && flags & I915_GEM_OBJECT_UNBIND_ACTIVE) { -+ rcu_barrier(); /* flush the i915_vm_release() */ -+ goto try_again; -+ } -+ - intel_runtime_pm_put(rpm, wakeref); - - return ret; --- -cgit v1.2.2-1-gc45e - -- cgit v1.2.1