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authorRamalingam C <ramalingam.c@intel.com>2020-01-04 19:10:42 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2020-01-05 01:08:09 +0000
commit50129bca6671e329db7671cb0bfe749d341c9acb (patch)
treef5c0108073e7b869a4585b420b7eee5bbeb840bb /drivers/gpu/drm/i915/intel_memory_region.c
parent0658186283ba04867307ad5b83420370ce767fc5 (diff)
downloadlinux-50129bca6671e329db7671cb0bfe749d341c9acb.tar.bz2
drm/i915: lookup for mem_region of a mem_type
Lookup function to retrieve the pointer to a memory region of a mem_type. v2: for_each_memory_region is used. Signed-off-by: Ramalingam C <ramalingam.c@intel.com> cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20200104191043.2207314-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_memory_region.c')
-rw-r--r--drivers/gpu/drm/i915/intel_memory_region.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_memory_region.c b/drivers/gpu/drm/i915/intel_memory_region.c
index a6211cbec71e..d0d038b3cd79 100644
--- a/drivers/gpu/drm/i915/intel_memory_region.c
+++ b/drivers/gpu/drm/i915/intel_memory_region.c
@@ -16,6 +16,20 @@ const u32 intel_region_map[] = {
[INTEL_REGION_STOLEN] = REGION_MAP(INTEL_MEMORY_STOLEN, 0),
};
+struct intel_memory_region *
+intel_memory_region_by_type(struct drm_i915_private *i915,
+ enum intel_memory_type mem_type)
+{
+ struct intel_memory_region *mr;
+ int id;
+
+ for_each_memory_region(mr, i915, id)
+ if (mr->type == mem_type)
+ return mr;
+
+ return NULL;
+}
+
static u64
intel_memory_region_free_pages(struct intel_memory_region *mem,
struct list_head *blocks)