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drm/i915: give stolen system memory its own class

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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@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20210205102026.806699-2-matthew.auld@intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Matthew Auld 2021-02-05 10:20:26 +00:00 committed by Daniel Vetter
parent 8ec8ad0f2f
commit dc43040012
5 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/i915/gem/i915_gem_stolen.c
View File

@ -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;

2
drivers/gpu/drm/i915/i915_drv.c
View File

@ -807,7 +807,7 @@ 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));
}
}

2
drivers/gpu/drm/i915/i915_pci.c
View File

@ -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), \

6
drivers/gpu/drm/i915/intel_memory_region.c
View File

@ -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:

6
drivers/gpu/drm/i915/intel_memory_region.h
View File

@ -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)