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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: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2023-02-14 14:37:53 +05:30 committed by Alex Deucher
parent fa0497c34e
commit 14493cb99b
1 changed files with 17 additions and 0 deletions
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17
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
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@ -178,6 +178,21 @@ struct amdgpu_xgmi {
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 {
/* FB's physical address in MMIO space (for CPU to
* map FB). This is different compared to the agp/
@ -266,6 +281,8 @@ struct amdgpu_gmc {
bool tmz_enabled;
bool is_app_apu;
struct amdgpu_mem_partition_info *mem_partitions;
uint8_t num_mem_partitions;
const struct amdgpu_gmc_funcs *gmc_funcs;
struct amdgpu_xgmi xgmi;