From: Abdiel Janulgue
Nothing to enumerate yet...
Signed-off-by: Abdiel Janulgue
Signed-off-by: Matthew Auld
Cc: Joonas Lahtinen
---
drivers/gpu/drm/i915/i915_drv.h | 7 +++
drivers/gpu/drm/i915/i915_gem_gtt.c | 56 ---
drivers/gpu/drm/i915/intel_device_info.h | 2 +
drivers/gpu/drm/i915/intel_memory_region.h| 4 ++
.../gpu/drm/i915/selftests/mock_gem_device.c | 6 ++
5 files changed, 68 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 40e923b0c2c8..faf645802710 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;
@@ -1783,6 +1785,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
#define HAS_IPC(dev_priv) (INTEL_INFO(dev_priv)->display.has_ipc)
+#define HAS_REGION(i915, i) (INTEL_INFO(i915)->memory_regions & (i))
+
#define HAS_GT_UC(dev_priv)(INTEL_INFO(dev_priv)->has_gt_uc)
/* Having GuC is not the same as using GuC */
@@ -2001,6 +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(>ggtt);
ggtt_cleanup_hw(>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_device_info.h
b/drivers/gpu/drm/i915/intel_device_info.h
index 0cdc2465534b..e9940f932d26 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -160,6 +160,8 @@ struct intel_device_info {
unsigned int page_sizes; /* page sizes supported by the HW */
+ u32 memory_regions; /* regions supported by the HW */
+
u32 display_mmio_offset;
u8 pipe_mask;
diff --git a/drivers/gpu/drm/i915/intel_memory_region.h
b/drivers/gpu/drm/i915/intel_memory_region.h
index 52c141b6108c..2c165a7a5ab4 100644
---
