diff options
| author | Ramalingam C <ramalingam.c@intel.com> | 2020-01-04 19:10:42 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-01-05 01:08:09 +0000 |
| commit | 50129bca6671e329db7671cb0bfe749d341c9acb (patch) | |
| tree | f5c0108073e7b869a4585b420b7eee5bbeb840bb | |
| parent | 0658186283ba04867307ad5b83420370ce767fc5 (diff) | |
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
| -rw-r--r-- | drivers/gpu/drm/i915/intel_memory_region.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_memory_region.h | 3 |
2 files changed, 17 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) diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h index 7f4bff8f8be1..232490d89a83 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.h +++ b/drivers/gpu/drm/i915/intel_memory_region.h @@ -132,6 +132,9 @@ void intel_memory_region_put(struct intel_memory_region *mem); int intel_memory_regions_hw_probe(struct drm_i915_private *i915); void intel_memory_regions_driver_release(struct drm_i915_private *i915); +struct intel_memory_region * +intel_memory_region_by_type(struct drm_i915_private *i915, + enum intel_memory_type mem_type); __printf(2, 3) void intel_memory_region_set_name(struct intel_memory_region *mem, |