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drm/amdgpu: Use NPS ranges from discovery table

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Add GMC API to fetch NPS range information from discovery table. Use NPS
range information in GMC 9.4.3 SOCs when available, otherwise fallback
to software method.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar
2024-05-09 17:02:33 +05:30
committed by Alex Deucher
parent 8ce97959ec
commit b194d21b9b
5 changed files with 212 additions and 12 deletions
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11
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
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@@ -199,6 +199,13 @@ struct amdgpu_mem_partition_info {
#define INVALID_PFN -1
struct amdgpu_gmc_memrange {
uint64_t base_address;
uint64_t limit_address;
uint32_t flags;
int nid_mask;
};
enum amdgpu_gart_placement {
AMDGPU_GART_PLACEMENT_BEST_FIT = 0,
AMDGPU_GART_PLACEMENT_HIGH,
@@ -439,4 +446,8 @@ int amdgpu_gmc_vram_checking(struct amdgpu_device *adev);
int amdgpu_gmc_sysfs_init(struct amdgpu_device *adev);
void amdgpu_gmc_sysfs_fini(struct amdgpu_device *adev);
int amdgpu_gmc_get_nps_memranges(struct amdgpu_device *adev,
struct amdgpu_mem_partition_info *mem_ranges,
int exp_ranges);
#endif