[PATCH 03/14] drm/i915/gem: Move stolen node into GEM object union
Chris Wilson
chris at chris-wilson.co.uk
Fri Jan 1 01:11:14 UTC 2021
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/display/intel_fbdev.c | 4 ++--
drivers/gpu/drm/i915/gem/i915_gem_object.h | 2 ++
drivers/gpu/drm/i915/gem/i915_gem_object_types.h | 4 ++--
drivers/gpu/drm/i915/gem/i915_gem_phys.c | 2 +-
drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 5 +++++
drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 5 +++++
drivers/gpu/drm/i915/gem/i915_gem_stolen.h | 2 ++
drivers/gpu/drm/i915/gt/intel_ring.c | 2 +-
drivers/gpu/drm/i915/gt/shmem_utils.c | 2 +-
drivers/gpu/drm/i915/i915_debugfs.c | 2 +-
10 files changed, 22 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
index 842c04e63214..84f853f113b9 100644
--- a/drivers/gpu/drm/i915/display/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
@@ -256,7 +256,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
* If the object is stolen however, it will be full of whatever
* garbage was left in there.
*/
- if (vma->obj->stolen && !prealloc)
+ if (!i915_gem_object_is_shmem(vma->obj) && !prealloc)
memset_io(info->screen_base, 0, info->screen_size);
/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
@@ -595,7 +595,7 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous
* full of whatever garbage was left in there.
*/
if (state == FBINFO_STATE_RUNNING &&
- intel_fb_obj(&ifbdev->fb->base)->stolen)
+ !i915_gem_object_is_shmem(intel_fb_obj(&ifbdev->fb->base)))
memset_io(info->screen_base, 0, info->screen_size);
drm_fb_helper_set_suspend(&ifbdev->helper, state);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index be14486f63a7..3603b702a14e 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -540,4 +540,6 @@ i915_gem_object_invalidate_frontbuffer(struct drm_i915_gem_object *obj,
__i915_gem_object_invalidate_frontbuffer(obj, origin);
}
+bool i915_gem_object_is_shmem(const struct drm_i915_gem_object *obj);
+
#endif
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
index e2d9b7e1e152..b01b4b307ee7 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
@@ -142,8 +142,6 @@ struct drm_i915_gem_object {
*/
struct list_head obj_link;
- /** Stolen memory for this object, instead of being backed by shmem. */
- struct drm_mm_node *stolen;
union {
struct rcu_head rcu;
struct llist_node freed;
@@ -295,6 +293,8 @@ struct drm_i915_gem_object {
struct work_struct *work;
} userptr;
+ struct drm_mm_node *stolen;
+
unsigned long scratch;
u64 encode;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_phys.c b/drivers/gpu/drm/i915/gem/i915_gem_phys.c
index 3a4dfe2ef1da..3bb65a1b1d93 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_phys.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_phys.c
@@ -213,7 +213,7 @@ int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align)
if (obj->ops == &i915_gem_phys_ops)
return 0;
- if (obj->ops != &i915_gem_shmem_ops)
+ if (!i915_gem_object_is_shmem(obj))
return -EINVAL;
err = i915_gem_object_unbind(obj, I915_GEM_OBJECT_UNBIND_ACTIVE);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
index 75e8b71c18b9..aa7fdf92d17e 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
@@ -621,3 +621,8 @@ struct intel_memory_region *i915_gem_shmem_setup(struct drm_i915_private *i915)
PAGE_SIZE, 0,
&shmem_region_ops);
}
+
+bool i915_gem_object_is_shmem(const struct drm_i915_gem_object *obj)
+{
+ return obj->ops == &i915_gem_shmem_ops;
+}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
index 29bffc6afcc1..b51e371785fa 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
@@ -785,3 +785,8 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_i915_private *i915,
kfree(stolen);
return obj;
}
+
+bool i915_gem_object_is_stolen(const struct drm_i915_gem_object *obj)
+{
+ return obj->ops == &i915_gem_object_stolen_ops;
+}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.h b/drivers/gpu/drm/i915/gem/i915_gem_stolen.h
index 61e028063f9f..b03489706796 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.h
@@ -30,6 +30,8 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_i915_private *dev_priv
resource_size_t stolen_offset,
resource_size_t size);
+bool i915_gem_object_is_stolen(const struct drm_i915_gem_object *obj);
+
#define I915_GEM_STOLEN_BIAS SZ_128K
#endif /* __I915_GEM_STOLEN_H__ */
diff --git a/drivers/gpu/drm/i915/gt/intel_ring.c b/drivers/gpu/drm/i915/gt/intel_ring.c
index 06385550450c..78d1360caa0f 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring.c
+++ b/drivers/gpu/drm/i915/gt/intel_ring.c
@@ -42,7 +42,7 @@ int intel_ring_pin(struct intel_ring *ring, struct i915_gem_ww_ctx *ww)
/* Ring wraparound at offset 0 sometimes hangs. No idea why. */
flags = PIN_OFFSET_BIAS | i915_ggtt_pin_bias(vma);
- if (vma->obj->stolen)
+ if (i915_gem_object_is_stolen(vma->obj))
flags |= PIN_MAPPABLE;
else
flags |= PIN_HIGH;
diff --git a/drivers/gpu/drm/i915/gt/shmem_utils.c b/drivers/gpu/drm/i915/gt/shmem_utils.c
index 5982b62f913d..a4d8fc9e2374 100644
--- a/drivers/gpu/drm/i915/gt/shmem_utils.c
+++ b/drivers/gpu/drm/i915/gt/shmem_utils.c
@@ -33,7 +33,7 @@ struct file *shmem_create_from_object(struct drm_i915_gem_object *obj)
struct file *file;
void *ptr;
- if (obj->ops == &i915_gem_shmem_ops) {
+ if (i915_gem_object_is_shmem(obj)) {
file = obj->base.filp;
atomic_long_inc(&file->f_count);
return file;
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index de8e0e44cfb6..ec5a32d0eeca 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -210,7 +210,7 @@ i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
spin_unlock(&obj->vma.lock);
seq_printf(m, " (pinned x %d)", pin_count);
- if (obj->stolen)
+ if (i915_gem_object_is_stolen(obj))
seq_printf(m, " (stolen: %08llx)", obj->stolen->start);
if (i915_gem_object_is_framebuffer(obj))
seq_printf(m, " (fb)");
--
2.20.1
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