[Intel-gfx] [PATCH 2/2] drm/i915: give stolen system memory its own class

[Matthew Auld]

In some future patches we will need to also support a stolen region
carved from device local memory, on platforms like DG1. To handle this
we can simply describe each in terms of its own memory class.

Signed-off-by: Matthew Auld <matthew.auld at intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 4 ++--
 drivers/gpu/drm/i915/i915_drv.c            | 2 +-
 drivers/gpu/drm/i915/i915_pci.c            | 2 +-
 drivers/gpu/drm/i915/intel_memory_region.c | 6 +++---
 drivers/gpu/drm/i915/intel_memory_region.h | 6 +++---
 5 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
index a1e197a6e999..c5f85296a45f 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
@@ -686,7 +686,7 @@ struct drm_i915_gem_object *
 i915_gem_object_create_stolen(struct drm_i915_private *i915,
 			      resource_size_t size)
 {
-	return i915_gem_object_create_region(i915->mm.regions[INTEL_REGION_STOLEN],
+	return i915_gem_object_create_region(i915->mm.regions[INTEL_REGION_STOLEN_SMEM],
 					     size, I915_BO_ALLOC_CONTIGUOUS);
 }
 
@@ -726,7 +726,7 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_i915_private *i915,
 					       resource_size_t stolen_offset,
 					       resource_size_t size)
 {
-	struct intel_memory_region *mem = i915->mm.regions[INTEL_REGION_STOLEN];
+	struct intel_memory_region *mem = i915->mm.regions[INTEL_REGION_STOLEN_SMEM];
 	struct drm_i915_gem_object *obj;
 	struct drm_mm_node *stolen;
 	int ret;
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index d7aa5d4e3e94..eb9329163d52 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -849,7 +849,7 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		if (INTEL_GEN(i915) >= 9 && i915_selftest.live < 0 &&
 		    i915->params.fake_lmem_start) {
 			mkwrite_device_info(i915)->memory_regions =
-				REGION_SMEM | REGION_LMEM | REGION_STOLEN;
+				REGION_SMEM | REGION_LMEM | REGION_STOLEN_SMEM;
 			GEM_BUG_ON(!HAS_LMEM(i915));
 		}
 	}
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 6cff7cf0f17b..d09db36b8287 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -154,7 +154,7 @@
 	.page_sizes = I915_GTT_PAGE_SIZE_4K
 
 #define GEN_DEFAULT_REGIONS \
-	.memory_regions = REGION_SMEM | REGION_STOLEN
+	.memory_regions = REGION_SMEM | REGION_STOLEN_SMEM
 
 #define I830_FEATURES \
 	GEN(2), \
diff --git a/drivers/gpu/drm/i915/intel_memory_region.c b/drivers/gpu/drm/i915/intel_memory_region.c
index 287a647aaaa3..9bfe61194a90 100644
--- a/drivers/gpu/drm/i915/intel_memory_region.c
+++ b/drivers/gpu/drm/i915/intel_memory_region.c
@@ -18,8 +18,8 @@ static const struct {
                .class = INTEL_MEMORY_LOCAL,
                .instance = 0,
        },
-       [INTEL_REGION_STOLEN] = {
-               .class = INTEL_MEMORY_STOLEN,
+       [INTEL_REGION_STOLEN_SMEM] = {
+               .class = INTEL_MEMORY_STOLEN_SYSTEM,
                .instance = 0,
        },
 };
@@ -278,7 +278,7 @@ int intel_memory_regions_hw_probe(struct drm_i915_private *i915)
 		case INTEL_MEMORY_SYSTEM:
 			mem = i915_gem_shmem_setup(i915);
 			break;
-		case INTEL_MEMORY_STOLEN:
+		case INTEL_MEMORY_STOLEN_SYSTEM:
 			mem = i915_gem_stolen_setup(i915);
 			break;
 		default:
diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h
index 8baf2536d7a5..edd49067c8ca 100644
--- a/drivers/gpu/drm/i915/intel_memory_region.h
+++ b/drivers/gpu/drm/i915/intel_memory_region.h
@@ -25,19 +25,19 @@ struct sg_table;
 enum intel_memory_type {
 	INTEL_MEMORY_SYSTEM = 0,
 	INTEL_MEMORY_LOCAL,
-	INTEL_MEMORY_STOLEN,
+	INTEL_MEMORY_STOLEN_SYSTEM,
 };
 
 enum intel_region_id {
 	INTEL_REGION_SMEM = 0,
 	INTEL_REGION_LMEM,
-	INTEL_REGION_STOLEN,
+	INTEL_REGION_STOLEN_SMEM,
 	INTEL_REGION_UNKNOWN, /* Should be last */
 };
 
 #define REGION_SMEM     BIT(INTEL_REGION_SMEM)
 #define REGION_LMEM     BIT(INTEL_REGION_LMEM)
-#define REGION_STOLEN   BIT(INTEL_REGION_STOLEN)
+#define REGION_STOLEN_SMEM   BIT(INTEL_REGION_STOLEN_SMEM)
 
 #define I915_ALLOC_MIN_PAGE_SIZE  BIT(0)
 #define I915_ALLOC_CONTIGUOUS     BIT(1)
-- 
2.26.2