From: Abdiel Janulgue <abdiel.janulgue@xxxxxxxxxxxxxxx>
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@xxxxxxxxxxxxxxx>
Cc: Matthew Auld <matthew.auld@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_region_lmem.c | 28 ++++++++++++++++++++++--
1 file changed, 26 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_region_lmem.c b/drivers/gpu/drm/i915/intel_region_lmem.c
index b8b6b8248737..10dfcf961c4b 100644
--- a/drivers/gpu/drm/i915/intel_region_lmem.c
+++ b/drivers/gpu/drm/i915/intel_region_lmem.c
@@ -233,9 +233,33 @@ region_lmem_object_create(struct intel_memory_region *mem,
return obj;
}
+static void
+region_lmem_release(struct intel_memory_region *mem)
+{
+ io_mapping_fini(&mem->iomap);
+ i915_memory_region_release_buddy(mem);
+}
+
+static int
+region_lmem_init(struct intel_memory_region *mem)
+{
+ int ret;
+
+ if (!io_mapping_init_wc(&mem->iomap,
+ mem->io_start,
+ resource_size(&mem->region)))
+ return -EIO;
+
+ ret = i915_memory_region_init_buddy(mem);
+ if (ret)
+ io_mapping_fini(&mem->iomap);
+
+ return ret;
+}
+
static const struct intel_memory_region_ops region_lmem_ops = {
- .init = i915_memory_region_init_buddy,
- .release = i915_memory_region_release_buddy,
+ .init = region_lmem_init,
+ .release = region_lmem_release,
.object_create = region_lmem_object_create,
};
--
2.20.1
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