Commit 50129bca authored by Ramalingam C's avatar Ramalingam C Committed by Chris Wilson
Browse files

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: default avatarRamalingam C <ramalingam.c@intel.com>
cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: default avatarMatthew Auld <matthew.auld@intel.com>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200104191043.2207314-1-chris@chris-wilson.co.uk
parent 06581862

drivers/gpu/drm/i915/intel_memory_region.c

+14 −0
Original line number Diff line number Diff line
@@ -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)

drivers/gpu/drm/i915/intel_memory_region.h

+3 −0
Original line number Diff line number Diff line
@@ -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,

CRA Git | Maintained and supported by SUSTech CRA and CCSE