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drm/amdgpu: Wire up MMIO_REMAP placement and User-visible strings

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Wire up the conversions and strings for the new MMIO_REMAP placement:

* amdgpu_mem_type_to_domain() maps AMDGPU_PL_MMIO_REMAP -> domain
* amdgpu_bo_placement_from_domain() accepts the new domain
* amdgpu_bo_mem_stats_placement() and amdgpu_bo_print_info() report it
* res cursor supports the new placement
* fdinfo prints "mmioremap" for the new placement

Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Srinivasan Shanmugam 2025-08-20 16:17:52 +05:30 • committed by Alex Deucher
parent 357fe94b66
commit 11aaec3566
4 changed files with 18 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c
View file

@ -70,6 +70,7 @@ void amdgpu_show_fdinfo(struct drm_printer *p, struct drm_file *file)
[AMDGPU_PL_GWS] = "gws",
[AMDGPU_PL_OA] = "oa",
[AMDGPU_PL_DOORBELL] = "doorbell",
[AMDGPU_PL_MMIO_REMAP] = "mmioremap",
};
unsigned int hw_ip, i;

13
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View file

@ -153,6 +153,14 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
c++;
}
if (domain & AMDGPU_GEM_DOMAIN_MMIO_REMAP) {
places[c].fpfn = 0;
places[c].lpfn = 0;
places[c].mem_type = AMDGPU_PL_MMIO_REMAP;
places[c].flags = 0;
c++;
}
if (domain & AMDGPU_GEM_DOMAIN_GTT) {
places[c].fpfn = 0;
places[c].lpfn = 0;
@ -1545,6 +1553,8 @@ uint32_t amdgpu_bo_mem_stats_placement(struct amdgpu_bo *bo)
return AMDGPU_PL_OA;
case AMDGPU_GEM_DOMAIN_DOORBELL:
return AMDGPU_PL_DOORBELL;
case AMDGPU_GEM_DOMAIN_MMIO_REMAP:
return AMDGPU_PL_MMIO_REMAP;
default:
return TTM_PL_SYSTEM;
}
@ -1628,6 +1638,9 @@ u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m)
case AMDGPU_PL_DOORBELL:
placement = "DOORBELL";
break;
case AMDGPU_PL_MMIO_REMAP:
placement = "MMIO REMAP";
break;
case TTM_PL_SYSTEM:
default:
placement = "CPU";

2
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
View file

@ -167,6 +167,8 @@ static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type)
return AMDGPU_GEM_DOMAIN_OA;
case AMDGPU_PL_DOORBELL:
return AMDGPU_GEM_DOMAIN_DOORBELL;
case AMDGPU_PL_MMIO_REMAP:
return AMDGPU_GEM_DOMAIN_MMIO_REMAP;
default:
break;
}

2
drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h
View file

@ -91,6 +91,7 @@ static inline void amdgpu_res_first(struct ttm_resource *res,
break;
case TTM_PL_TT:
case AMDGPU_PL_DOORBELL:
case AMDGPU_PL_MMIO_REMAP:
node = to_ttm_range_mgr_node(res)->mm_nodes;
while (start >= node->size << PAGE_SHIFT)
start -= node++->size << PAGE_SHIFT;
@ -153,6 +154,7 @@ static inline void amdgpu_res_next(struct amdgpu_res_cursor *cur, uint64_t size)
break;
case TTM_PL_TT:
case AMDGPU_PL_DOORBELL:
case AMDGPU_PL_MMIO_REMAP:
node = cur->node;
cur->node = ++node;