On 05/07/2018 07:56, Chris Wilson wrote:
No longer used and can be removed. One less global that currently
demands struct_mutex protection.
References: e9e7dc4144cd ("drm/i915/gtt: Make gen6 page directories evictable")
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 1 -
drivers/gpu/drm/i915/i915_gem_gtt.c | 5 -----
drivers/gpu/drm/i915/i915_gem_gtt.h | 1 -
drivers/gpu/drm/i915/selftests/mock_gtt.c | 3 ---
4 files changed, 10 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index e5a0a65ec2e9..550e86dfbfe8 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1744,7 +1744,6 @@ struct drm_i915_private {
struct drm_atomic_state *modeset_restore_state;
struct drm_modeset_acquire_ctx reset_ctx;
- struct list_head vm_list; /* Global list of all address spaces */
struct i915_ggtt ggtt; /* VM representing the global address space */
struct i915_gem_mm mm;
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 3326b4e29b5b..2f10f5580230 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -540,8 +540,6 @@ static void i915_address_space_init(struct i915_address_space *vm,
INIT_LIST_HEAD(&vm->active_list);
INIT_LIST_HEAD(&vm->inactive_list);
INIT_LIST_HEAD(&vm->unbound_list);
-
- list_add_tail(&vm->global_link, &dev_priv->vm_list);
}
static void i915_address_space_fini(struct i915_address_space *vm)
@@ -553,7 +551,6 @@ static void i915_address_space_fini(struct i915_address_space *vm)
spin_unlock(&vm->free_pages.lock);
drm_mm_takedown(&vm->mm);
- list_del(&vm->global_link);
}
static int __setup_page_dma(struct i915_address_space *vm,
@@ -3572,8 +3569,6 @@ int i915_ggtt_init_hw(struct drm_i915_private *dev_priv)
stash_init(&dev_priv->mm.wc_stash);
- INIT_LIST_HEAD(&dev_priv->vm_list);
-
/* Note that we use page colouring to enforce a guard page at the
* end of the address space. This is required as the CS may prefetch
* beyond the end of the batch buffer, across the page boundary,
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index f298e72b79ca..feda45dfd481 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -288,7 +288,6 @@ struct i915_address_space {
* assign blame.
*/
struct drm_i915_file_private *file;
- struct list_head global_link;
u64 total; /* size addr space maps (ex. 2GB for ggtt) */
u64 reserved; /* size addr space reserved */
diff --git a/drivers/gpu/drm/i915/selftests/mock_gtt.c b/drivers/gpu/drm/i915/selftests/mock_gtt.c
index 0da5b8c6d912..07df5c399ec1 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gtt.c
@@ -74,7 +74,6 @@ mock_ppgtt(struct drm_i915_private *i915,
INIT_LIST_HEAD(&ppgtt->vm.inactive_list);
INIT_LIST_HEAD(&ppgtt->vm.unbound_list);
- INIT_LIST_HEAD(&ppgtt->vm.global_link);
drm_mm_init(&ppgtt->vm.mm, 0, ppgtt->vm.total);
ppgtt->vm.clear_range = nop_clear_range;
@@ -106,8 +105,6 @@ void mock_init_ggtt(struct drm_i915_private *i915)
{
struct i915_ggtt *ggtt = &i915->ggtt;
- INIT_LIST_HEAD(&i915->vm_list);
-
ggtt->vm.i915 = i915;
ggtt->gmadr = (struct resource) DEFINE_RES_MEM(0, 2048 * PAGE_SIZE);
No list iterators removed so easy to establish it is indeed unused. (Or
won't compile.) :)
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Regards,
Tvrtko
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