From: Abdiel Janulgue <abdiel.janulgue@xxxxxxxxxxxxxxx>
Nothing to enumerate yet...
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@xxxxxxxxxxxxxxx>
Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 5 ++
drivers/gpu/drm/i915/i915_gem_gtt.c | 56 ++++++++++++++++---
drivers/gpu/drm/i915/intel_memory_region.h | 4 ++
.../gpu/drm/i915/selftests/mock_gem_device.c | 6 ++
4 files changed, 64 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 2dab731c1e80..b983187b45cf 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -684,6 +684,8 @@ struct i915_gem_mm {
*/
struct vfsmount *gemfs;
+ struct intel_memory_region *regions[INTEL_REGION_UNKNOWN];
+
struct notifier_block oom_notifier;
struct notifier_block vmap_notifier;
struct shrinker shrinker;
@@ -2003,6 +2005,9 @@ int __must_check i915_gem_evict_for_node(struct i915_address_space *vm,
unsigned int flags);
int i915_gem_evict_vm(struct i915_address_space *vm);
+void i915_gem_cleanup_memory_regions(struct drm_i915_private *i915);
+int i915_gem_init_memory_regions(struct drm_i915_private *i915);
+
/* i915_gem_internal.c */
struct drm_i915_gem_object *
i915_gem_object_create_internal(struct drm_i915_private *dev_priv,
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 7b15bb891970..7b8e30c72f86 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2744,6 +2744,52 @@ int i915_init_ggtt(struct drm_i915_private *i915)
return 0;
}
+void i915_gem_cleanup_memory_regions(struct drm_i915_private *i915)
+{
+ int i;
+
+ i915_gem_cleanup_stolen(i915);
+
+ for (i = 0; i < INTEL_REGION_UNKNOWN; i++) {
+ struct intel_memory_region *region = i915->mm.regions[i];
+
+ if (region)
+ intel_memory_region_put(region);
+ }
+}
+
+int i915_gem_init_memory_regions(struct drm_i915_private *i915)
+{
+ int err, i;
+
+ /*
+ * Initialise stolen early so that we may reserve preallocated
+ * objects for the BIOS to KMS transition.
+ */
+ /* XXX: stolen will become a region at some point */
+ err = i915_gem_init_stolen(i915);
+ if (err)
+ return err;
+
+ for (i = 0; i < INTEL_REGION_UNKNOWN; i++) {
+ struct intel_memory_region *mem = ERR_PTR(-ENODEV);
+
+ if (!HAS_REGION(i915, BIT(i)))
+ continue;
+
+ if (IS_ERR(mem)) {
+ err = PTR_ERR(mem);
+ goto out_cleanup;
+ }
+ }
+
+ return 0;
+
+out_cleanup:
+ i915_gem_cleanup_memory_regions(i915);
+ return err;
+}
+
static void ggtt_cleanup_hw(struct i915_ggtt *ggtt)
{
struct i915_vma *vma, *vn;
@@ -2781,6 +2827,8 @@ void i915_ggtt_driver_release(struct drm_i915_private *i915)
{
struct pagevec *pvec;
+ i915_gem_cleanup_memory_regions(i915);
+
fini_aliasing_ppgtt(&i915->ggtt);
ggtt_cleanup_hw(&i915->ggtt);
@@ -2790,8 +2838,6 @@ void i915_ggtt_driver_release(struct drm_i915_private *i915)
set_pages_array_wb(pvec->pages, pvec->nr);
__pagevec_release(pvec);
}
-
- i915_gem_cleanup_stolen(i915);
}
static unsigned int gen6_get_total_gtt_size(u16 snb_gmch_ctl)
@@ -3240,11 +3286,7 @@ int i915_ggtt_init_hw(struct drm_i915_private *dev_priv)
if (ret)
return ret;
- /*
- * Initialise stolen early so that we may reserve preallocated
- * objects for the BIOS to KMS transition.
- */
- ret = i915_gem_init_stolen(dev_priv);
+ ret = i915_gem_init_memory_regions(dev_priv);
if (ret)
goto out_gtt_cleanup;
diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h
index 52c141b6108c..2c165a7a5ab4 100644
--- a/drivers/gpu/drm/i915/intel_memory_region.h
+++ b/drivers/gpu/drm/i915/intel_memory_region.h
@@ -18,6 +18,10 @@ struct drm_i915_gem_object;
struct intel_memory_region;
struct sg_table;
+enum intel_region_id {
+ INTEL_REGION_UNKNOWN = 0, /* Should be last */
+};
+
#define I915_ALLOC_MIN_PAGE_SIZE BIT(0)
#define I915_ALLOC_CONTIGUOUS BIT(1)
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 9c22d41b30cd..bc5e3c67409f 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -74,6 +74,8 @@ static void mock_device_release(struct drm_device *dev)
i915_gemfs_fini(i915);
+ i915_gem_cleanup_memory_regions(i915);
+
drm_mode_config_cleanup(&i915->drm);
drm_dev_fini(&i915->drm);
@@ -196,6 +198,10 @@ struct drm_i915_private *mock_gem_device(void)
WARN_ON(i915_gemfs_init(i915));
+ err = i915_gem_init_memory_regions(i915);
+ if (err)
+ goto err_context;
+
return i915;
err_context:
--
2.20.1
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