This reverts commit e9f24d5fb7cf3628b195b18ff3ac4e37937ceeae.
The patch was incomplete, introduced more problems of greater severity
than it solved and worse the solution was known and available at the
time of the patch.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 5 -----
drivers/gpu/drm/i915/i915_gem.c | 14 ++------------
drivers/gpu/drm/i915/i915_gem_context.c | 22 ----------------------
3 files changed, 2 insertions(+), 39 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 66ecd6b3df95..32427a063213 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2717,11 +2717,6 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level,
u32 flags);
int __must_check i915_vma_unbind(struct i915_vma *vma);
-/*
- * BEWARE: Do not use the function below unless you can _absolutely_
- * _guarantee_ VMA in question is _not in use_ anywhere.
- */
-int __must_check __i915_vma_unbind_no_wait(struct i915_vma *vma);
void i915_vma_close(struct i915_vma *vma);
int i915_gem_object_put_pages(struct drm_i915_gem_object *obj);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 08ea0b7eda8b..566eb4338497 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2584,7 +2584,7 @@ static void i915_gem_object_finish_gtt(struct drm_i915_gem_object *obj)
old_write_domain);
}
-static int __i915_vma_unbind(struct i915_vma *vma, bool wait)
+int i915_vma_unbind(struct i915_vma *vma)
{
struct drm_i915_gem_object *obj = vma->obj;
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
@@ -2593,7 +2593,7 @@ static int __i915_vma_unbind(struct i915_vma *vma, bool wait)
/* First wait upon any activity as retiring the request may
* have side-effects such as unpinning or even unbinding this vma.
*/
- if (vma->active && wait) {
+ if (vma->active) {
for (i = 0; i < ARRAY_SIZE(vma->last_read); i++) {
ret = i915_wait_request(vma->last_read[i].request);
if (ret)
@@ -2655,16 +2655,6 @@ static int __i915_vma_unbind(struct i915_vma *vma, bool wait)
return 0;
}
-int i915_vma_unbind(struct i915_vma *vma)
-{
- return __i915_vma_unbind(vma, true);
-}
-
-int __i915_vma_unbind_no_wait(struct i915_vma *vma)
-{
- return __i915_vma_unbind(vma, false);
-}
-
int i915_gpu_idle(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 9669547c7c2d..40250667fcf2 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -133,21 +133,6 @@ static int get_context_size(struct drm_device *dev)
return ret;
}
-static void i915_gem_context_clean(struct intel_context *ctx)
-{
- struct i915_hw_ppgtt *ppgtt = ctx->ppgtt;
- struct i915_vma *vma, *next;
-
- if (!ppgtt)
- return;
-
- list_for_each_entry_safe(vma, next, &ppgtt->base.inactive_list,
- vm_link) {
- if (WARN_ON(__i915_vma_unbind_no_wait(vma)))
- break;
- }
-}
-
void i915_gem_context_free(struct kref *ctx_ref)
{
struct intel_context *ctx = container_of(ctx_ref, typeof(*ctx), ref);
@@ -158,13 +143,6 @@ void i915_gem_context_free(struct kref *ctx_ref)
if (i915.enable_execlists)
intel_lr_context_free(ctx);
- /*
- * This context is going away and we need to remove all VMAs still
- * around. This is to handle imported shared objects for which
- * destructor did not run when their handles were closed.
- */
- i915_gem_context_clean(ctx);
-
i915_ppgtt_put(ctx->ppgtt);
if (ctx->legacy_hw_ctx.rcs_state)
--
2.6.4
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