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-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c8
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_userptr.c42
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_userptr.h14
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h8
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c5
5 files changed, 0 insertions, 77 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index 12cb2ef8dbd6..8968a09f3e44 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -2159,12 +2159,6 @@ static int eb_move_to_gpu(struct i915_execbuffer *eb)
#ifdef CONFIG_MMU_NOTIFIER
if (!err && (eb->args->flags & __EXEC_USERPTR_USED)) {
- read_lock(&eb->i915->mm.notifier_lock);
-
- /*
- * count is always at least 1, otherwise __EXEC_USERPTR_USED
- * could not have been set
- */
for (i = 0; i < count; i++) {
struct eb_vma *ev = &eb->vma[i];
struct drm_i915_gem_object *obj = ev->vma->obj;
@@ -2176,8 +2170,6 @@ static int eb_move_to_gpu(struct i915_execbuffer *eb)
if (err)
break;
}
-
- read_unlock(&eb->i915->mm.notifier_lock);
}
#endif
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
index 1d3ebdf4069b..0e21ce9d3e5a 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
@@ -42,7 +42,6 @@
#include "i915_drv.h"
#include "i915_gem_ioctls.h"
#include "i915_gem_object.h"
-#include "i915_gem_userptr.h"
#include "i915_scatterlist.h"
#ifdef CONFIG_MMU_NOTIFIER
@@ -61,36 +60,7 @@ static bool i915_gem_userptr_invalidate(struct mmu_interval_notifier *mni,
const struct mmu_notifier_range *range,
unsigned long cur_seq)
{
- struct drm_i915_gem_object *obj = container_of(mni, struct drm_i915_gem_object, userptr.notifier);
- struct drm_i915_private *i915 = to_i915(obj->base.dev);
- long r;
-
- if (!mmu_notifier_range_blockable(range))
- return false;
-
- write_lock(&i915->mm.notifier_lock);
-
mmu_interval_set_seq(mni, cur_seq);
-
- write_unlock(&i915->mm.notifier_lock);
-
- /*
- * We don't wait when the process is exiting. This is valid
- * because the object will be cleaned up anyway.
- *
- * This is also temporarily required as a hack, because we
- * cannot currently force non-consistent batch buffers to preempt
- * and reschedule by waiting on it, hanging processes on exit.
- */
- if (current->flags & PF_EXITING)
- return true;
-
- /* we will unbind on next submission, still have userptr pins */
- r = dma_resv_wait_timeout(obj->base.resv, DMA_RESV_USAGE_BOOKKEEP, false,
- MAX_SCHEDULE_TIMEOUT);
- if (r <= 0)
- drm_err(&i915->drm, "(%ld) failed to wait for idle\n", r);
-
return true;
}
@@ -580,15 +550,3 @@ i915_gem_userptr_ioctl(struct drm_device *dev,
#endif
}
-int i915_gem_init_userptr(struct drm_i915_private *dev_priv)
-{
-#ifdef CONFIG_MMU_NOTIFIER
- rwlock_init(&dev_priv->mm.notifier_lock);
-#endif
-
- return 0;
-}
-
-void i915_gem_cleanup_userptr(struct drm_i915_private *dev_priv)
-{
-}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.h b/drivers/gpu/drm/i915/gem/i915_gem_userptr.h
deleted file mode 100644
index 8dadb2f8436d..000000000000
--- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2021 Intel Corporation
- */
-
-#ifndef __I915_GEM_USERPTR_H__
-#define __I915_GEM_USERPTR_H__
-
-struct drm_i915_private;
-
-int i915_gem_init_userptr(struct drm_i915_private *dev_priv);
-void i915_gem_cleanup_userptr(struct drm_i915_private *dev_priv);
-
-#endif /* __I915_GEM_USERPTR_H__ */
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 6a2a78c61f21..a72cecd2dbc7 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -165,14 +165,6 @@ struct i915_gem_mm {
struct notifier_block vmap_notifier;
struct shrinker shrinker;
-#ifdef CONFIG_MMU_NOTIFIER
- /**
- * notifier_lock for mmu notifiers, memory may not be allocated
- * while holding this lock.
- */
- rwlock_t notifier_lock;
-#endif
-
/* shrinker accounting, also useful for userland debugging */
u64 shrink_memory;
u32 shrink_count;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index c166ad5e187a..02e10451867a 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -48,7 +48,6 @@
#include "gem/i915_gem_object_frontbuffer.h"
#include "gem/i915_gem_pm.h"
#include "gem/i915_gem_region.h"
-#include "gem/i915_gem_userptr.h"
#include "gt/intel_engine_user.h"
#include "gt/intel_gt.h"
#include "gt/intel_gt_pm.h"
@@ -1165,10 +1164,6 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
if (intel_vgpu_active(dev_priv) && !intel_vgpu_has_huge_gtt(dev_priv))
RUNTIME_INFO(dev_priv)->page_sizes = I915_GTT_PAGE_SIZE_4K;
- ret = i915_gem_init_userptr(dev_priv);
- if (ret)
- return ret;
-
for_each_gt(gt, dev_priv, i) {
intel_uc_fetch_firmwares(&gt->uc);
intel_wopcm_init(&gt->wopcm);