Commit 14493cb9 authored by Lijo Lazar's avatar Lijo Lazar Committed by Alex Deucher
Browse files

drm/amdgpu: Add memory partitions to gmc 



Some ASICs have the device memory divided into multiple partitions. The
parititions could be denoted by a numa node or by a range of pages.

Signed-off-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Reviewed-by: default avatarLe Ma <le.ma@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent fa0497c3

drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h

+17 −0
Original line number Original line Diff line number Diff line
@@ -178,6 +178,21 @@ struct amdgpu_xgmi { 
	struct amdgpu_xgmi_ras *ras;

	struct amdgpu_xgmi_ras *ras;

};

};





struct amdgpu_mem_partition_info {

	union {

		struct {

			uint32_t fpfn;

			uint32_t lpfn;

		} range;

		struct {

			int node;

		} numa;

	};

	uint64_t size;

};



#define INVALID_PFN    -1



struct amdgpu_gmc {

struct amdgpu_gmc {

	/* FB's physical address in MMIO space (for CPU to

	/* FB's physical address in MMIO space (for CPU to

	 * map FB). This is different compared to the agp/

	 * map FB). This is different compared to the agp/
@@ -266,6 +281,8 @@ struct amdgpu_gmc { 
	bool tmz_enabled;

	bool tmz_enabled;

	bool is_app_apu;

	bool is_app_apu;





	struct amdgpu_mem_partition_info *mem_partitions;

	uint8_t num_mem_partitions;

	const struct amdgpu_gmc_funcs	*gmc_funcs;

	const struct amdgpu_gmc_funcs	*gmc_funcs;





	struct amdgpu_xgmi xgmi;

	struct amdgpu_xgmi xgmi;