The fpfn/lpfn fields in struct ttm_place were named after page frame
numbers, but they are really just placement parameters passed to the
backend resource manager. Rename them to the generic param1/param2
and document that their interpretation is backend-defined. The VRAM
range manager continues to treat them as the first and last valid
page frame number, so behaviour is unchanged.

This decouples the API from PFN/range-specific semantics so that
these fields can be used more flexibly in the future (e.g.,
mask-based or segment-aware placement constraints). No functional
change.

Suggested-by: Christian König <[email protected]>
Cc: Christian König <[email protected]>
Cc: Thomas Hellström <[email protected]>
Cc: Matthew Auld <[email protected]>
Cc: Matthew Brost <[email protected]>
Signed-off-by: Arunpravin Paneer Selvam <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c       | 16 +++---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h       |  4 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c   |  8 +--
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c    | 46 +++++++--------
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c       | 24 ++++----
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c       |  4 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c       | 16 +++---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c        |  6 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c  | 32 +++++------
 drivers/gpu/drm/amd/amdkfd/kfd_svm.c          |  2 +-
 .../gpu/drm/amd/ras/ras_mgr/amdgpu_ras_cmd.c  |  2 +-
 drivers/gpu/drm/drm_gem_vram_helper.c         |  4 +-
 drivers/gpu/drm/i915/gem/i915_gem_ttm.c       | 18 +++---
 drivers/gpu/drm/i915/i915_ttm_buddy_manager.c | 56 +++++++++----------
 drivers/gpu/drm/i915/intel_region_ttm.c       | 14 ++---
 drivers/gpu/drm/loongson/lsdc_ttm.c           |  4 +-
 drivers/gpu/drm/nouveau/nouveau_bo.c          | 22 ++++----
 drivers/gpu/drm/nouveau/nouveau_mem.c         |  8 +--
 drivers/gpu/drm/qxl/qxl_object.c              |  4 +-
 drivers/gpu/drm/qxl/qxl_ttm.c                 |  4 +-
 drivers/gpu/drm/radeon/radeon_object.c        | 28 +++++-----
 drivers/gpu/drm/radeon/radeon_ttm.c           | 18 +++---
 drivers/gpu/drm/radeon/radeon_uvd.c           |  8 +--
 drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c | 16 +++---
 drivers/gpu/drm/ttm/tests/ttm_mock_manager.c  |  8 +--
 drivers/gpu/drm/ttm/ttm_bo_util.c             |  4 +-
 drivers/gpu/drm/ttm/ttm_range_manager.c       | 18 +++---
 drivers/gpu/drm/vmwgfx/vmwgfx_bo.c            | 30 +++++-----
 drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c    |  8 +--
 drivers/gpu/drm/xe/xe_bo.c                    | 24 ++++----
 drivers/gpu/drm/xe/xe_ttm_vram_mgr.c          | 40 ++++++-------
 include/drm/ttm/ttm_placement.h               | 15 +++--
 32 files changed, 259 insertions(+), 252 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 276f9f49d6d1..20ec6d81bcb0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -1452,11 +1452,11 @@ int amdgpu_gmc_get_nps_memranges(struct amdgpu_device 
*adev,
                        }
                }
 
-               mem_ranges[i].range.fpfn =
+               mem_ranges[i].range.param1 =
                        (ranges[i].base_address -
                         adev->vm_manager.vram_base_offset) >>
                        AMDGPU_GPU_PAGE_SHIFT;
-               mem_ranges[i].range.lpfn =
+               mem_ranges[i].range.param2 =
                        (ranges[i].limit_address -
                         adev->vm_manager.vram_base_offset) >>
                        AMDGPU_GPU_PAGE_SHIFT;
@@ -1708,8 +1708,8 @@ void amdgpu_gmc_init_sw_mem_ranges(struct amdgpu_device 
*adev,
        if (!r) {
                l = 0;
                for (i = 1; i < adev->gmc.num_mem_partitions; ++i) {
-                       if (mem_ranges[i].range.lpfn >
-                           mem_ranges[i - 1].range.lpfn)
+                       if (mem_ranges[i].range.param2 >
+                           mem_ranges[i - 1].range.param2)
                                l = i;
                }
 
@@ -1724,10 +1724,10 @@ void amdgpu_gmc_init_sw_mem_ranges(struct amdgpu_device 
*adev,
                size /= adev->gmc.num_mem_partitions;
 
                for (i = 0; i < adev->gmc.num_mem_partitions; ++i) {
-                       mem_ranges[i].range.fpfn = start_addr;
+                       mem_ranges[i].range.param1 = start_addr;
                        mem_ranges[i].size =
                                ((u64)size << AMDGPU_GPU_PAGE_SHIFT);
-                       mem_ranges[i].range.lpfn = start_addr + size - 1;
+                       mem_ranges[i].range.param2 = start_addr + size - 1;
                        start_addr += size;
                }
 
@@ -1735,11 +1735,11 @@ void amdgpu_gmc_init_sw_mem_ranges(struct amdgpu_device 
*adev,
        }
 
        /* Adjust the last one */
-       mem_ranges[l].range.lpfn =
+       mem_ranges[l].range.param2 =
                (adev->gmc.real_vram_size >> AMDGPU_GPU_PAGE_SHIFT) - 1;
        mem_ranges[l].size =
                adev->gmc.real_vram_size -
-               ((u64)mem_ranges[l].range.fpfn << AMDGPU_GPU_PAGE_SHIFT);
+               ((u64)mem_ranges[l].range.param1 << AMDGPU_GPU_PAGE_SHIFT);
 }
 
 int amdgpu_gmc_init_mem_ranges(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index 676e3aaa1f27..12fc85d8c306 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -195,8 +195,8 @@ struct amdgpu_gmc_funcs {
 struct amdgpu_mem_partition_info {
        union {
                struct {
-                       uint32_t fpfn;
-                       uint32_t lpfn;
+                       uint32_t param1;
+                       uint32_t param2;
                } range;
                struct {
                        int node;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index a5d26b943f6d..ebe3605f2855 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
@@ -133,11 +133,11 @@ static int amdgpu_gtt_mgr_new(struct ttm_resource_manager 
*man,
                goto err_free;
        }
 
-       if (place->lpfn) {
+       if (place->param2) {
                spin_lock(&mgr->lock);
                r = drm_mm_insert_node_in_range(&mgr->mm, &node->mm_nodes[0],
                                                num_pages, tbo->page_alignment,
-                                               0, place->fpfn, place->lpfn,
+                                               0, place->param1, place->param2,
                                                DRM_MM_INSERT_BEST);
                spin_unlock(&mgr->lock);
                if (unlikely(r))
@@ -272,7 +272,7 @@ static bool amdgpu_gtt_mgr_intersects(struct 
ttm_resource_manager *man,
                                      const struct ttm_place *place,
                                      size_t size)
 {
-       return !place->lpfn || amdgpu_gtt_mgr_has_gart_addr(res);
+       return !place->param2 || amdgpu_gtt_mgr_has_gart_addr(res);
 }
 
 /**
@@ -290,7 +290,7 @@ static bool amdgpu_gtt_mgr_compatible(struct 
ttm_resource_manager *man,
                                      const struct ttm_place *place,
                                      size_t size)
 {
-       return !place->lpfn || amdgpu_gtt_mgr_has_gart_addr(res);
+       return !place->param2 || amdgpu_gtt_mgr_has_gart_addr(res);
 }
 
 /**
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index f98bfba59a2c..86801f873966 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -120,21 +120,21 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo 
*abo, u32 domain)
                int8_t mem_id = KFD_XCP_MEM_ID(adev, abo->xcp_id);
 
                if (adev->gmc.mem_partitions && mem_id >= 0) {
-                       places[c].fpfn = 
adev->gmc.mem_partitions[mem_id].range.fpfn;
+                       places[c].param1 = 
adev->gmc.mem_partitions[mem_id].range.param1;
                        /*
-                        * memory partition range lpfn is inclusive start + 
size - 1
-                        * TTM place lpfn is exclusive start + size
+                        * memory partition range param2 is inclusive start + 
size - 1
+                        * TTM place param2 is exclusive start + size
                         */
-                       places[c].lpfn = 
adev->gmc.mem_partitions[mem_id].range.lpfn + 1;
+                       places[c].param2 = 
adev->gmc.mem_partitions[mem_id].range.param2 + 1;
                } else {
-                       places[c].fpfn = 0;
-                       places[c].lpfn = 0;
+                       places[c].param1 = 0;
+                       places[c].param2 = 0;
                }
                places[c].mem_type = TTM_PL_VRAM;
                places[c].flags = 0;
 
                if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)
-                       places[c].lpfn = min_not_zero(places[c].lpfn, 
visible_pfn);
+                       places[c].param2 = min_not_zero(places[c].param2, 
visible_pfn);
                else
                        places[c].flags |= TTM_PL_FLAG_TOPDOWN;
 
@@ -146,16 +146,16 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo 
*abo, u32 domain)
        }
 
        if (domain & AMDGPU_GEM_DOMAIN_DOORBELL) {
-               places[c].fpfn = 0;
-               places[c].lpfn = 0;
+               places[c].param1 = 0;
+               places[c].param2 = 0;
                places[c].mem_type = AMDGPU_PL_DOORBELL;
                places[c].flags = 0;
                c++;
        }
 
        if (domain & AMDGPU_GEM_DOMAIN_GTT) {
-               places[c].fpfn = 0;
-               places[c].lpfn = 0;
+               places[c].param1 = 0;
+               places[c].param2 = 0;
                places[c].mem_type =
                        abo->flags & AMDGPU_GEM_CREATE_PREEMPTIBLE ?
                        AMDGPU_PL_PREEMPT : TTM_PL_TT;
@@ -171,40 +171,40 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo 
*abo, u32 domain)
        }
 
        if (domain & AMDGPU_GEM_DOMAIN_CPU) {
-               places[c].fpfn = 0;
-               places[c].lpfn = 0;
+               places[c].param1 = 0;
+               places[c].param2 = 0;
                places[c].mem_type = TTM_PL_SYSTEM;
                places[c].flags = 0;
                c++;
        }
 
        if (domain & AMDGPU_GEM_DOMAIN_GDS) {
-               places[c].fpfn = 0;
-               places[c].lpfn = 0;
+               places[c].param1 = 0;
+               places[c].param2 = 0;
                places[c].mem_type = AMDGPU_PL_GDS;
                places[c].flags = 0;
                c++;
        }
 
        if (domain & AMDGPU_GEM_DOMAIN_GWS) {
-               places[c].fpfn = 0;
-               places[c].lpfn = 0;
+               places[c].param1 = 0;
+               places[c].param2 = 0;
                places[c].mem_type = AMDGPU_PL_GWS;
                places[c].flags = 0;
                c++;
        }
 
        if (domain & AMDGPU_GEM_DOMAIN_OA) {
-               places[c].fpfn = 0;
-               places[c].lpfn = 0;
+               places[c].param1 = 0;
+               places[c].param2 = 0;
                places[c].mem_type = AMDGPU_PL_OA;
                places[c].flags = 0;
                c++;
        }
 
        if (!c) {
-               places[c].fpfn = 0;
-               places[c].lpfn = 0;
+               places[c].param1 = 0;
+               places[c].param2 = 0;
                places[c].mem_type = TTM_PL_SYSTEM;
                places[c].flags = 0;
                c++;
@@ -465,8 +465,8 @@ int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev,
        ttm_resource_free(&(*bo_ptr)->tbo, &(*bo_ptr)->tbo.resource);
 
        for (i = 0; i < (*bo_ptr)->placement.num_placement; ++i) {
-               (*bo_ptr)->placements[i].fpfn = offset >> PAGE_SHIFT;
-               (*bo_ptr)->placements[i].lpfn = (offset + size) >> PAGE_SHIFT;
+               (*bo_ptr)->placements[i].param1 = offset >> PAGE_SHIFT;
+               (*bo_ptr)->placements[i].param2 = (offset + size) >> PAGE_SHIFT;
        }
        r = ttm_bo_mem_space(&(*bo_ptr)->tbo, &(*bo_ptr)->placement,
                             &(*bo_ptr)->tbo.resource, &ctx);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 2740de94e93c..000720287ca6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -96,8 +96,8 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
        struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
        struct amdgpu_bo *abo;
        static const struct ttm_place placements = {
-               .fpfn = 0,
-               .lpfn = 0,
+               .param1 = 0,
+               .param2 = 0,
                .mem_type = TTM_PL_SYSTEM,
                .flags = 0
        };
@@ -147,8 +147,8 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
                        amdgpu_bo_placement_from_domain(abo, 
AMDGPU_GEM_DOMAIN_VRAM |
                                                        AMDGPU_GEM_DOMAIN_GTT |
                                                        AMDGPU_GEM_DOMAIN_CPU);
-                       abo->placements[0].fpfn = adev->gmc.visible_vram_size 
>> PAGE_SHIFT;
-                       abo->placements[0].lpfn = 0;
+                       abo->placements[0].param1 = adev->gmc.visible_vram_size 
>> PAGE_SHIFT;
+                       abo->placements[0].param2 = 0;
                        abo->placements[0].flags |= TTM_PL_FLAG_DESIRED;
                } else {
                        /* Move to GTT memory */
@@ -580,8 +580,8 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, 
bool evict,
              new_mem->mem_type == TTM_PL_VRAM) ||
             (old_mem->mem_type == TTM_PL_VRAM &&
              new_mem->mem_type == TTM_PL_SYSTEM))) {
-               hop->fpfn = 0;
-               hop->lpfn = 0;
+               hop->param1 = 0;
+               hop->param2 = 0;
                hop->mem_type = TTM_PL_TT;
                hop->flags = TTM_PL_FLAG_TEMPORARY;
                return -EMULTIHOP;
@@ -988,8 +988,8 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo)
        /* allocate GART space */
        placement.num_placement = 1;
        placement.placement = &placements;
-       placements.fpfn = 0;
-       placements.lpfn = adev->gmc.gart_size >> PAGE_SHIFT;
+       placements.param1 = 0;
+       placements.param2 = adev->gmc.gart_size >> PAGE_SHIFT;
        placements.mem_type = TTM_PL_TT;
        placements.flags = bo->resource->placement;
 
@@ -1956,8 +1956,8 @@ static int amdgpu_ttm_alloc_mmio_remap_bo(struct 
amdgpu_device *adev)
         */
        placement.num_placement = 1;
        placement.placement = &placements;
-       placements.fpfn = 0;
-       placements.lpfn = 0;
+       placements.param1 = 0;
+       placements.param2 = 0;
        placements.mem_type = AMDGPU_PL_MMIO_REMAP;
        placements.flags = 0;
        /* Force the BO into the fixed MMIO_REMAP placement */
@@ -2097,7 +2097,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
                }
        }
 
-       /* Change the size here instead of the init above so only lpfn is 
affected */
+       /* Change the size here instead of the init above so only param2 is 
affected */
        amdgpu_ttm_disable_buffer_funcs(adev);
 #ifdef CONFIG_64BIT
 #ifdef CONFIG_X86
@@ -2361,7 +2361,7 @@ void amdgpu_ttm_enable_buffer_funcs(struct amdgpu_device 
*adev)
                }
        }
 
-       /* this just adjusts TTM size idea, which sets lpfn to the correct 
value */
+       /* this just adjusts TTM size idea, which sets param2 to the correct 
value */
        man->size = adev->gmc.real_vram_size;
        adev->mman.buffer_funcs_enabled = true;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 3a3bc0d370fa..5cb4ca4f60aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -550,8 +550,8 @@ static void amdgpu_uvd_force_into_uvd_segment(struct 
amdgpu_bo *abo)
        int i;
 
        for (i = 0; i < abo->placement.num_placement; ++i) {
-               abo->placements[i].fpfn = 0 >> PAGE_SHIFT;
-               abo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
+               abo->placements[i].param1 = 0 >> PAGE_SHIFT;
+               abo->placements[i].param2 = (256 * 1024 * 1024) >> PAGE_SHIFT;
                if (abo->placements[i].mem_type == TTM_PL_VRAM)
                        abo->placements[i].flags |= TTM_PL_FLAG_CONTIGUOUS;
        }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index efdebd9c0a1f..1c0f2a2bea9e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -628,7 +628,7 @@ static int amdgpu_vce_validate_bo(struct amdgpu_cs_parser 
*p,
        int64_t offset = ((uint64_t)size) * ((int64_t)index);
        struct ttm_operation_ctx ctx = { false, false };
        struct amdgpu_bo_va_mapping *mapping;
-       unsigned int i, fpfn, lpfn;
+       unsigned int i, start, end;
        struct amdgpu_bo *bo;
        uint64_t addr;
        int r;
@@ -637,11 +637,11 @@ static int amdgpu_vce_validate_bo(struct amdgpu_cs_parser 
*p,
               ((uint64_t)amdgpu_ib_get_value(ib, hi)) << 32;
        if (index >= 0) {
                addr += offset;
-               fpfn = PAGE_ALIGN(offset) >> PAGE_SHIFT;
-               lpfn = 0x100000000ULL >> PAGE_SHIFT;
+               start = PAGE_ALIGN(offset) >> PAGE_SHIFT;
+               end = 0x100000000ULL >> PAGE_SHIFT;
        } else {
-               fpfn = 0;
-               lpfn = (0x100000000ULL - PAGE_ALIGN(offset)) >> PAGE_SHIFT;
+               start = 0;
+               end = (0x100000000ULL - PAGE_ALIGN(offset)) >> PAGE_SHIFT;
        }
 
        r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping);
@@ -652,9 +652,9 @@ static int amdgpu_vce_validate_bo(struct amdgpu_cs_parser 
*p,
        }
 
        for (i = 0; i < bo->placement.num_placement; ++i) {
-               bo->placements[i].fpfn = max(bo->placements[i].fpfn, fpfn);
-               bo->placements[i].lpfn = bo->placements[i].lpfn ?
-                       min(bo->placements[i].lpfn, lpfn) : lpfn;
+               bo->placements[i].param1 = max(bo->placements[i].param1, start);
+               bo->placements[i].param2 = bo->placements[i].param2 ?
+                       min(bo->placements[i].param2, end) : end;
        }
        return ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index a99d01f9dc75..ed3aeb1a2573 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1784,7 +1784,7 @@ static int amdgpu_vm_verify_parameters(struct 
amdgpu_device *adev,
                                          uint64_t offset,
                                          uint64_t size)
 {
-       uint64_t tmp, lpfn;
+       uint64_t tmp, end;
 
        if (saddr & AMDGPU_GPU_PAGE_MASK
            || offset & AMDGPU_GPU_PAGE_MASK
@@ -1801,8 +1801,8 @@ static int amdgpu_vm_verify_parameters(struct 
amdgpu_device *adev,
                return -EINVAL;
 
        /* Ensure last pfn not exceed max_pfn */
-       lpfn = (saddr + size - 1) >> AMDGPU_GPU_PAGE_SHIFT;
-       if (lpfn >= adev->vm_manager.max_pfn)
+       end = (saddr + size - 1) >> AMDGPU_GPU_PAGE_SHIFT;
+       if (end >= adev->vm_manager.max_pfn)
                return -EINVAL;
 
        return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 2a241a5b12c4..0b09e6f55b56 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -449,18 +449,18 @@ static int amdgpu_vram_mgr_new(struct 
ttm_resource_manager *man,
        struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo);
        u64 vis_usage = 0, max_bytes, min_block_size;
        struct amdgpu_vram_mgr_resource *vres;
-       u64 size, remaining_size, lpfn, fpfn;
+       u64 size, remaining_size, end, start;
        unsigned int adjust_dcc_size = 0;
        struct gpu_buddy *mm = &mgr->mm;
        struct gpu_buddy_block *block;
        unsigned long pages_per_block;
        int r;
 
-       lpfn = (u64)place->lpfn << PAGE_SHIFT;
-       if (!lpfn || lpfn > man->size)
-               lpfn = man->size;
+       end = (u64)place->param2 << PAGE_SHIFT;
+       if (!end || end > man->size)
+               end = man->size;
 
-       fpfn = (u64)place->fpfn << PAGE_SHIFT;
+       start = (u64)place->param1 << PAGE_SHIFT;
 
        max_bytes = adev->gmc.mc_vram_size;
        if (tbo->type != ttm_bo_type_kernel)
@@ -502,7 +502,7 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager 
*man,
        if (bo->flags & AMDGPU_GEM_CREATE_VRAM_CLEARED)
                vres->flags |= GPU_BUDDY_CLEAR_ALLOCATION;
 
-       if (fpfn || lpfn != mgr->mm.size)
+       if (start || end != mgr->mm.size)
                /* Allocate blocks in desired range */
                vres->flags |= GPU_BUDDY_RANGE_ALLOCATION;
 
@@ -537,8 +537,8 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager 
*man,
 
                BUG_ON(min_block_size < mm->chunk_size);
 
-               r = gpu_buddy_alloc_blocks(mm, fpfn,
-                                          lpfn,
+               r = gpu_buddy_alloc_blocks(mm, start,
+                                          end,
                                           size,
                                           min_block_size,
                                           &vres->blocks,
@@ -820,13 +820,13 @@ static bool amdgpu_vram_mgr_intersects(struct 
ttm_resource_manager *man,
 
        /* Check each drm buddy block individually */
        list_for_each_entry(block, &mgr->blocks, link) {
-               unsigned long fpfn =
+               unsigned long start =
                        amdgpu_vram_mgr_block_start(block) >> PAGE_SHIFT;
-               unsigned long lpfn = fpfn +
+               unsigned long end = start +
                        (amdgpu_vram_mgr_block_size(block) >> PAGE_SHIFT);
 
-               if (place->fpfn < lpfn &&
-                   (!place->lpfn || place->lpfn > fpfn))
+               if (place->param1 < end &&
+                   (!place->param2 || place->param2 > start))
                        return true;
        }
 
@@ -853,13 +853,13 @@ static bool amdgpu_vram_mgr_compatible(struct 
ttm_resource_manager *man,
 
        /* Check each drm buddy block individually */
        list_for_each_entry(block, &mgr->blocks, link) {
-               unsigned long fpfn =
+               unsigned long start =
                        amdgpu_vram_mgr_block_start(block) >> PAGE_SHIFT;
-               unsigned long lpfn = fpfn +
+               unsigned long end = start +
                        (amdgpu_vram_mgr_block_size(block) >> PAGE_SHIFT);
 
-               if (fpfn < place->fpfn ||
-                   (place->lpfn && lpfn > place->lpfn))
+               if (start < place->param1 ||
+                   (place->param2 && end > place->param2))
                        return false;
        }
 
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index 35ec67d9739b..98cb68fb1e9e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -1477,7 +1477,7 @@ svm_range_map_to_gpu(struct kfd_process_device *pdd, 
struct svm_range *prange,
 
 
                /* For dGPU mode, we use same vm_manager to allocate VRAM for
-                * different memory partition based on fpfn/lpfn, we should use
+                * different memory partition based on param1/param2, we should 
use
                 * same vm_manager.vram_base_offset regardless memory partition.
                 */
                gpu_start = last_start * AMDGPU_GPU_PAGES_IN_CPU_PAGE;
diff --git a/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_cmd.c 
b/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_cmd.c
index c22e53e84207..c1d152faf30d 100644
--- a/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_cmd.c
+++ b/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_cmd.c
@@ -145,7 +145,7 @@ static int amdgpu_ras_get_ras_safe_fb_addr_ranges(struct 
ras_core_context *ras_c
 
        mem_ranges = adev->gmc.mem_partitions;
        for (i = 0; i < adev->gmc.num_mem_partitions; i++) {
-               ranges->range[i].start = mem_ranges[i].range.fpfn << 
AMDGPU_GPU_PAGE_SHIFT;
+               ranges->range[i].start = mem_ranges[i].range.param1 << 
AMDGPU_GPU_PAGE_SHIFT;
                ranges->range[i].size = mem_ranges[i].size;
                ranges->range[i].idx = i;
        }
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c 
b/drivers/gpu/drm/drm_gem_vram_helper.c
index bca802ccddee..89ae283a0ece 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -154,8 +154,8 @@ static void drm_gem_vram_placement(struct 
drm_gem_vram_object *gbo,
        gbo->placement.num_placement = c;
 
        for (i = 0; i < c; ++i) {
-               gbo->placements[i].fpfn = 0;
-               gbo->placements[i].lpfn = 0;
+               gbo->placements[i].param1 = 0;
+               gbo->placements[i].param2 = 0;
        }
 }
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c 
b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
index de70517b4ef2..b64402a788b5 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -58,8 +58,8 @@ struct i915_ttm_tt {
 };
 
 static const struct ttm_place sys_placement_flags = {
-       .fpfn = 0,
-       .lpfn = 0,
+       .param1 = 0,
+       .param2 = 0,
        .mem_type = I915_PL_SYSTEM,
        .flags = 0,
 };
@@ -140,17 +140,17 @@ i915_ttm_place_from_region(const struct 
intel_memory_region *mr,
        if (flags & I915_BO_ALLOC_CONTIGUOUS)
                place->flags |= TTM_PL_FLAG_CONTIGUOUS;
        if (offset != I915_BO_INVALID_OFFSET) {
-               WARN_ON(overflows_type(offset >> PAGE_SHIFT, place->fpfn));
-               place->fpfn = offset >> PAGE_SHIFT;
-               WARN_ON(overflows_type(place->fpfn + (size >> PAGE_SHIFT), 
place->lpfn));
-               place->lpfn = place->fpfn + (size >> PAGE_SHIFT);
+               WARN_ON(overflows_type(offset >> PAGE_SHIFT, place->param1));
+               place->param1 = offset >> PAGE_SHIFT;
+               WARN_ON(overflows_type(place->param1 + (size >> PAGE_SHIFT), 
place->param2));
+               place->param2 = place->param1 + (size >> PAGE_SHIFT);
        } else if (resource_size(&mr->io) && resource_size(&mr->io) < 
mr->total) {
                if (flags & I915_BO_ALLOC_GPU_ONLY) {
                        place->flags |= TTM_PL_FLAG_TOPDOWN;
                } else {
-                       place->fpfn = 0;
-                       WARN_ON(overflows_type(resource_size(&mr->io) >> 
PAGE_SHIFT, place->lpfn));
-                       place->lpfn = resource_size(&mr->io) >> PAGE_SHIFT;
+                       place->param1 = 0;
+                       WARN_ON(overflows_type(resource_size(&mr->io) >> 
PAGE_SHIFT, place->param2));
+                       place->param2 = resource_size(&mr->io) >> PAGE_SHIFT;
                }
        }
 }
diff --git a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c 
b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c
index 10df50a54e88..90ad831ceba3 100644
--- a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c
+++ b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c
@@ -40,14 +40,14 @@ static int i915_ttm_buddy_man_alloc(struct 
ttm_resource_manager *man,
        struct i915_ttm_buddy_manager *bman = to_buddy_manager(man);
        struct i915_ttm_buddy_resource *bman_res;
        struct gpu_buddy *mm = &bman->mm;
-       unsigned long n_pages, lpfn;
+       unsigned long n_pages, end;
        u64 min_page_size;
        u64 size;
        int err;
 
-       lpfn = place->lpfn;
-       if (!lpfn)
-               lpfn = man->size;
+       end = place->param2;
+       if (!end)
+               end = man->size;
 
        bman_res = kzalloc_obj(*bman_res);
        if (!bman_res)
@@ -63,7 +63,7 @@ static int i915_ttm_buddy_man_alloc(struct 
ttm_resource_manager *man,
        if (place->flags & TTM_PL_FLAG_CONTIGUOUS)
                bman_res->flags |= GPU_BUDDY_CONTIGUOUS_ALLOCATION;
 
-       if (place->fpfn || lpfn != man->size)
+       if (place->param1 || end != man->size)
                bman_res->flags |= GPU_BUDDY_RANGE_ALLOCATION;
 
        GEM_BUG_ON(!bman_res->base.size);
@@ -76,7 +76,7 @@ static int i915_ttm_buddy_man_alloc(struct 
ttm_resource_manager *man,
        GEM_BUG_ON(min_page_size < mm->chunk_size);
        GEM_BUG_ON(!IS_ALIGNED(size, min_page_size));
 
-       if (size > lpfn << PAGE_SHIFT) {
+       if (size > end << PAGE_SHIFT) {
                err = -E2BIG;
                goto err_free_res;
        }
@@ -84,14 +84,14 @@ static int i915_ttm_buddy_man_alloc(struct 
ttm_resource_manager *man,
        n_pages = size >> ilog2(mm->chunk_size);
 
        mutex_lock(&bman->lock);
-       if (lpfn <= bman->visible_size && n_pages > bman->visible_avail) {
+       if (end <= bman->visible_size && n_pages > bman->visible_avail) {
                mutex_unlock(&bman->lock);
                err = -ENOSPC;
                goto err_free_res;
        }
 
-       err = gpu_buddy_alloc_blocks(mm, (u64)place->fpfn << PAGE_SHIFT,
-                                    (u64)lpfn << PAGE_SHIFT,
+       err = gpu_buddy_alloc_blocks(mm, (u64)place->param1 << PAGE_SHIFT,
+                                    (u64)end << PAGE_SHIFT,
                                     (u64)n_pages << PAGE_SHIFT,
                                     min_page_size,
                                     &bman_res->blocks,
@@ -99,7 +99,7 @@ static int i915_ttm_buddy_man_alloc(struct 
ttm_resource_manager *man,
        if (unlikely(err))
                goto err_free_blocks;
 
-       if (lpfn <= bman->visible_size) {
+       if (end <= bman->visible_size) {
                bman_res->used_visible_size = PFN_UP(bman_res->base.size);
        } else {
                struct gpu_buddy_block *block;
@@ -160,28 +160,28 @@ static bool i915_ttm_buddy_man_intersects(struct 
ttm_resource_manager *man,
        struct gpu_buddy *mm = &bman->mm;
        struct gpu_buddy_block *block;
 
-       if (!place->fpfn && !place->lpfn)
+       if (!place->param1 && !place->param2)
                return true;
 
-       GEM_BUG_ON(!place->lpfn);
+       GEM_BUG_ON(!place->param2);
 
        /*
         * If we just want something mappable then we can quickly check
         * if the current victim resource is using any of the CPU
         * visible portion.
         */
-       if (!place->fpfn &&
-           place->lpfn == i915_ttm_buddy_man_visible_size(man))
+       if (!place->param1 &&
+           place->param2 == i915_ttm_buddy_man_visible_size(man))
                return bman_res->used_visible_size > 0;
 
        /* Check each drm buddy block individually */
        list_for_each_entry(block, &bman_res->blocks, link) {
-               unsigned long fpfn =
+               unsigned long start =
                        gpu_buddy_block_offset(block) >> PAGE_SHIFT;
-               unsigned long lpfn = fpfn +
+               unsigned long end = start +
                        (gpu_buddy_block_size(mm, block) >> PAGE_SHIFT);
 
-               if (place->fpfn < lpfn && place->lpfn > fpfn)
+               if (place->param1 < end && place->param2 > start)
                        return true;
        }
 
@@ -198,23 +198,23 @@ static bool i915_ttm_buddy_man_compatible(struct 
ttm_resource_manager *man,
        struct gpu_buddy *mm = &bman->mm;
        struct gpu_buddy_block *block;
 
-       if (!place->fpfn && !place->lpfn)
+       if (!place->param1 && !place->param2)
                return true;
 
-       GEM_BUG_ON(!place->lpfn);
+       GEM_BUG_ON(!place->param2);
 
-       if (!place->fpfn &&
-           place->lpfn == i915_ttm_buddy_man_visible_size(man))
+       if (!place->param1 &&
+           place->param2 == i915_ttm_buddy_man_visible_size(man))
                return bman_res->used_visible_size == PFN_UP(res->size);
 
        /* Check each drm buddy block individually */
        list_for_each_entry(block, &bman_res->blocks, link) {
-               unsigned long fpfn =
+               unsigned long start =
                        gpu_buddy_block_offset(block) >> PAGE_SHIFT;
-               unsigned long lpfn = fpfn +
+               unsigned long end = start +
                        (gpu_buddy_block_size(mm, block) >> PAGE_SHIFT);
 
-               if (fpfn < place->fpfn || lpfn > place->lpfn)
+               if (start < place->param1 || end > place->param2)
                        return false;
        }
 
@@ -373,7 +373,7 @@ int i915_ttm_buddy_man_reserve(struct ttm_resource_manager 
*man,
 {
        struct i915_ttm_buddy_manager *bman = to_buddy_manager(man);
        struct gpu_buddy *mm = &bman->mm;
-       unsigned long fpfn = start >> PAGE_SHIFT;
+       unsigned long start_pfn = start >> PAGE_SHIFT;
        unsigned long flags = 0;
        int ret;
 
@@ -386,9 +386,9 @@ int i915_ttm_buddy_man_reserve(struct ttm_resource_manager 
*man,
                                     &bman->reserved,
                                     flags);
 
-       if (fpfn < bman->visible_size) {
-               unsigned long lpfn = fpfn + (size >> PAGE_SHIFT);
-               unsigned long visible = min(lpfn, bman->visible_size) - fpfn;
+       if (start_pfn < bman->visible_size) {
+               unsigned long end_pfn = start_pfn + (size >> PAGE_SHIFT);
+               unsigned long visible = min(end_pfn, bman->visible_size) - 
start_pfn;
 
                bman->visible_reserved += visible;
                bman->visible_avail -= visible;
diff --git a/drivers/gpu/drm/i915/intel_region_ttm.c 
b/drivers/gpu/drm/i915/intel_region_ttm.c
index 47a69aad5c3f..35f6569e918c 100644
--- a/drivers/gpu/drm/i915/intel_region_ttm.c
+++ b/drivers/gpu/drm/i915/intel_region_ttm.c
@@ -209,26 +209,26 @@ intel_region_ttm_resource_alloc(struct 
intel_memory_region *mem,
        if (flags & I915_BO_ALLOC_CONTIGUOUS)
                place.flags |= TTM_PL_FLAG_CONTIGUOUS;
        if (offset != I915_BO_INVALID_OFFSET) {
-               if (WARN_ON(overflows_type(offset >> PAGE_SHIFT, place.fpfn))) {
+               if (WARN_ON(overflows_type(offset >> PAGE_SHIFT, 
place.param1))) {
                        ret = -E2BIG;
                        goto out;
                }
-               place.fpfn = offset >> PAGE_SHIFT;
-               if (WARN_ON(overflows_type(place.fpfn + (size >> PAGE_SHIFT), 
place.lpfn))) {
+               place.param1 = offset >> PAGE_SHIFT;
+               if (WARN_ON(overflows_type(place.param1 + (size >> PAGE_SHIFT), 
place.param2))) {
                        ret = -E2BIG;
                        goto out;
                }
-               place.lpfn = place.fpfn + (size >> PAGE_SHIFT);
+               place.param2 = place.param1 + (size >> PAGE_SHIFT);
        } else if (resource_size(&mem->io) && resource_size(&mem->io) < 
mem->total) {
                if (flags & I915_BO_ALLOC_GPU_ONLY) {
                        place.flags |= TTM_PL_FLAG_TOPDOWN;
                } else {
-                       place.fpfn = 0;
-                       if (WARN_ON(overflows_type(resource_size(&mem->io) >> 
PAGE_SHIFT, place.lpfn))) {
+                       place.param1 = 0;
+                       if (WARN_ON(overflows_type(resource_size(&mem->io) >> 
PAGE_SHIFT, place.param2))) {
                                ret = -E2BIG;
                                goto out;
                        }
-                       place.lpfn = resource_size(&mem->io) >> PAGE_SHIFT;
+                       place.param2 = resource_size(&mem->io) >> PAGE_SHIFT;
                }
        }
 
diff --git a/drivers/gpu/drm/loongson/lsdc_ttm.c 
b/drivers/gpu/drm/loongson/lsdc_ttm.c
index d7441d96a0dc..2f2aa53e7db6 100644
--- a/drivers/gpu/drm/loongson/lsdc_ttm.c
+++ b/drivers/gpu/drm/loongson/lsdc_ttm.c
@@ -79,8 +79,8 @@ static void lsdc_bo_set_placement(struct lsdc_bo *lbo, u32 
domain)
        lbo->placement.num_placement = c;
 
        for (i = 0; i < c; ++i) {
-               lbo->placements[i].fpfn = 0;
-               lbo->placements[i].lpfn = 0;
+               lbo->placements[i].param1 = 0;
+               lbo->placements[i].param2 = 0;
        }
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c 
b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 0e8de6d4b36f..d50cf1d5402d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -483,7 +483,7 @@ set_placement_range(struct nouveau_bo *nvbo, uint32_t 
domain)
 {
        struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
        u64 vram_size = drm->client.device.info.ram_size;
-       unsigned i, fpfn, lpfn;
+       unsigned i, start, end;
 
        if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
            nvbo->mode && (domain & NOUVEAU_GEM_DOMAIN_VRAM) &&
@@ -495,15 +495,15 @@ set_placement_range(struct nouveau_bo *nvbo, uint32_t 
domain)
                 * at the same time.
                 */
                if (nvbo->zeta) {
-                       fpfn = (vram_size / 2) >> PAGE_SHIFT;
-                       lpfn = ~0;
+                       start = (vram_size / 2) >> PAGE_SHIFT;
+                       end = ~0;
                } else {
-                       fpfn = 0;
-                       lpfn = (vram_size / 2) >> PAGE_SHIFT;
+                       start = 0;
+                       end = (vram_size / 2) >> PAGE_SHIFT;
                }
                for (i = 0; i < nvbo->placement.num_placement; ++i) {
-                       nvbo->placements[i].fpfn = fpfn;
-                       nvbo->placements[i].lpfn = lpfn;
+                       nvbo->placements[i].param1 = start;
+                       nvbo->placements[i].param2 = end;
                }
        }
 }
@@ -1198,8 +1198,8 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict,
                     new_reg->mem_type == TTM_PL_VRAM) ||
                    (old_reg->mem_type == TTM_PL_VRAM &&
                     new_reg->mem_type == TTM_PL_SYSTEM)) {
-                       hop->fpfn = 0;
-                       hop->lpfn = 0;
+                       hop->param1 = 0;
+                       hop->param2 = 0;
                        hop->mem_type = TTM_PL_TT;
                        hop->flags = 0;
                        return -EMULTIHOP;
@@ -1398,8 +1398,8 @@ vm_fault_t nouveau_ttm_fault_reserve_notify(struct 
ttm_buffer_object *bo)
                        return 0;
 
                for (i = 0; i < nvbo->placement.num_placement; ++i) {
-                       nvbo->placements[i].fpfn = 0;
-                       nvbo->placements[i].lpfn = mappable;
+                       nvbo->placements[i].param1 = 0;
+                       nvbo->placements[i].param2 = mappable;
                }
 
                nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, 0);
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c 
b/drivers/gpu/drm/nouveau/nouveau_mem.c
index b26c521166f1..87d9afbbe99f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -195,8 +195,8 @@ nouveau_mem_intersects(struct ttm_resource *res,
        u32 num_pages = PFN_UP(size);
 
        /* Don't evict BOs outside of the requested placement range */
-       if (place->fpfn >= (res->start + num_pages) ||
-           (place->lpfn && place->lpfn <= res->start))
+       if (place->param1 >= (res->start + num_pages) ||
+           (place->param2 && place->param2 <= res->start))
                return false;
 
        return true;
@@ -209,8 +209,8 @@ nouveau_mem_compatible(struct ttm_resource *res,
 {
        u32 num_pages = PFN_UP(size);
 
-       if (res->start < place->fpfn ||
-           (place->lpfn && (res->start + num_pages) > place->lpfn))
+       if (res->start < place->param1 ||
+           (place->param2 && (res->start + num_pages) > place->param2))
                return false;
 
        return true;
diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c
index 313f6c30cac8..7873bd349080 100644
--- a/drivers/gpu/drm/qxl/qxl_object.c
+++ b/drivers/gpu/drm/qxl/qxl_object.c
@@ -83,8 +83,8 @@ void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 
domain)
        }
        qbo->placement.num_placement = c;
        for (i = 0; i < c; ++i) {
-               qbo->placements[i].fpfn = 0;
-               qbo->placements[i].lpfn = 0;
+               qbo->placements[i].param1 = 0;
+               qbo->placements[i].param2 = 0;
        }
 }
 
diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
index 5d495c4798a3..fa43e31ac3d1 100644
--- a/drivers/gpu/drm/qxl/qxl_ttm.c
+++ b/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -53,8 +53,8 @@ static void qxl_evict_flags(struct ttm_buffer_object *bo,
 {
        struct qxl_bo *qbo;
        static const struct ttm_place placements = {
-               .fpfn = 0,
-               .lpfn = 0,
+               .param1 = 0,
+               .param2 = 0,
                .mem_type = TTM_PL_SYSTEM,
                .flags = 0
        };
diff --git a/drivers/gpu/drm/radeon/radeon_object.c 
b/drivers/gpu/drm/radeon/radeon_object.c
index a0fc0801abb0..60ec1c9a5de4 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -84,30 +84,30 @@ void radeon_ttm_placement_from_domain(struct radeon_bo 
*rbo, u32 domain)
                 */
                if ((rbo->flags & RADEON_GEM_NO_CPU_ACCESS) &&
                    rbo->rdev->mc.visible_vram_size < 
rbo->rdev->mc.real_vram_size) {
-                       rbo->placements[c].fpfn =
+                       rbo->placements[c].param1 =
                                rbo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
                        rbo->placements[c].mem_type = TTM_PL_VRAM;
                        rbo->placements[c++].flags = 0;
                }
 
-               rbo->placements[c].fpfn = 0;
+               rbo->placements[c].param1 = 0;
                rbo->placements[c].mem_type = TTM_PL_VRAM;
                rbo->placements[c++].flags = 0;
        }
 
        if (domain & RADEON_GEM_DOMAIN_GTT) {
-               rbo->placements[c].fpfn = 0;
+               rbo->placements[c].param1 = 0;
                rbo->placements[c].mem_type = TTM_PL_TT;
                rbo->placements[c++].flags = 0;
        }
 
        if (domain & RADEON_GEM_DOMAIN_CPU) {
-               rbo->placements[c].fpfn = 0;
+               rbo->placements[c].param1 = 0;
                rbo->placements[c].mem_type = TTM_PL_SYSTEM;
                rbo->placements[c++].flags = 0;
        }
        if (!c) {
-               rbo->placements[c].fpfn = 0;
+               rbo->placements[c].param1 = 0;
                rbo->placements[c].mem_type = TTM_PL_SYSTEM;
                rbo->placements[c++].flags = 0;
        }
@@ -117,11 +117,11 @@ void radeon_ttm_placement_from_domain(struct radeon_bo 
*rbo, u32 domain)
        for (i = 0; i < c; ++i) {
                if ((rbo->flags & RADEON_GEM_CPU_ACCESS) &&
                    (rbo->placements[i].mem_type == TTM_PL_VRAM) &&
-                   !rbo->placements[i].fpfn)
-                       rbo->placements[i].lpfn =
+                   !rbo->placements[i].param1)
+                       rbo->placements[i].param2 =
                                rbo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
                else
-                       rbo->placements[i].lpfn = 0;
+                       rbo->placements[i].param2 = 0;
        }
 }
 
@@ -307,10 +307,10 @@ int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 
domain, u64 max_offset,
                if ((bo->placements[i].mem_type == TTM_PL_VRAM) &&
                    !(bo->flags & RADEON_GEM_NO_CPU_ACCESS) &&
                    (!max_offset || max_offset > 
bo->rdev->mc.visible_vram_size))
-                       bo->placements[i].lpfn =
+                       bo->placements[i].param2 =
                                bo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
                else
-                       bo->placements[i].lpfn = max_offset >> PAGE_SHIFT;
+                       bo->placements[i].param2 = max_offset >> PAGE_SHIFT;
        }
 
        r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
@@ -719,7 +719,7 @@ vm_fault_t radeon_bo_fault_reserve_notify(struct 
ttm_buffer_object *bo)
        struct ttm_operation_ctx ctx = { false, false };
        struct radeon_device *rdev;
        struct radeon_bo *rbo;
-       unsigned long offset, size, lpfn;
+       unsigned long offset, size, end;
        int i, r;
 
        if (!radeon_ttm_bo_is_radeon_bo(bo))
@@ -741,12 +741,12 @@ vm_fault_t radeon_bo_fault_reserve_notify(struct 
ttm_buffer_object *bo)
 
        /* hurrah the memory is not visible ! */
        radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM);
-       lpfn =  rdev->mc.visible_vram_size >> PAGE_SHIFT;
+       end =   rdev->mc.visible_vram_size >> PAGE_SHIFT;
        for (i = 0; i < rbo->placement.num_placement; i++) {
                /* Force into visible VRAM */
                if ((rbo->placements[i].mem_type == TTM_PL_VRAM) &&
-                   (!rbo->placements[i].lpfn || rbo->placements[i].lpfn > 
lpfn))
-                       rbo->placements[i].lpfn = lpfn;
+                   (!rbo->placements[i].param2 || rbo->placements[i].param2 > 
end))
+                       rbo->placements[i].param2 = end;
        }
        r = ttm_bo_validate(bo, &rbo->placement, &ctx);
        if (unlikely(r == -ENOMEM)) {
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c 
b/drivers/gpu/drm/radeon/radeon_ttm.c
index e7ab8162ac69..7456ede8bffb 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -83,8 +83,8 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo,
                                struct ttm_placement *placement)
 {
        static const struct ttm_place placements = {
-               .fpfn = 0,
-               .lpfn = 0,
+               .param1 = 0,
+               .param2 = 0,
                .mem_type = TTM_PL_SYSTEM,
                .flags = 0
        };
@@ -103,7 +103,7 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo,
                        radeon_ttm_placement_from_domain(rbo, 
RADEON_GEM_DOMAIN_CPU);
                else if (rbo->rdev->mc.visible_vram_size < 
rbo->rdev->mc.real_vram_size &&
                         bo->resource->start < (rbo->rdev->mc.visible_vram_size 
>> PAGE_SHIFT)) {
-                       unsigned fpfn = rbo->rdev->mc.visible_vram_size >> 
PAGE_SHIFT;
+                       unsigned start = rbo->rdev->mc.visible_vram_size >> 
PAGE_SHIFT;
                        int i;
 
                        /* Try evicting to the CPU inaccessible part of VRAM
@@ -115,8 +115,8 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo,
                                                         RADEON_GEM_DOMAIN_GTT);
                        for (i = 0; i < rbo->placement.num_placement; i++) {
                                if (rbo->placements[i].mem_type == TTM_PL_VRAM) 
{
-                                       if (rbo->placements[i].fpfn < fpfn)
-                                               rbo->placements[i].fpfn = fpfn;
+                                       if (rbo->placements[i].param1 < start)
+                                               rbo->placements[i].param1 = 
start;
                                        rbo->placements[0].flags |= 
TTM_PL_FLAG_DESIRED;
                                }
                        }
@@ -228,8 +228,8 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, 
bool evict,
                     new_mem->mem_type == TTM_PL_VRAM) ||
                    (old_mem->mem_type == TTM_PL_VRAM &&
                     new_mem->mem_type == TTM_PL_SYSTEM)) {
-                       hop->fpfn = 0;
-                       hop->lpfn = 0;
+                       hop->param1 = 0;
+                       hop->param2 = 0;
                        hop->mem_type = TTM_PL_TT;
                        hop->flags = 0;
                        return -EMULTIHOP;
@@ -698,7 +698,7 @@ int radeon_ttm_init(struct radeon_device *rdev)
                DRM_ERROR("Failed initializing VRAM heap.\n");
                return r;
        }
-       /* Change the size here instead of the init above so only lpfn is 
affected */
+       /* Change the size here instead of the init above so only param2 is 
affected */
        radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
 
        r = radeon_bo_create(rdev, 256 * 1024, PAGE_SIZE, true,
@@ -765,7 +765,7 @@ void radeon_ttm_set_active_vram_size(struct radeon_device 
*rdev, u64 size)
                return;
 
        man = ttm_manager_type(&rdev->mman.bdev, TTM_PL_VRAM);
-       /* this just adjusts TTM size idea, which sets lpfn to the correct 
value */
+       /* this just adjusts TTM size idea, which sets param2 to the correct 
value */
        man->size = size >> PAGE_SHIFT;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c 
b/drivers/gpu/drm/radeon/radeon_uvd.c
index ded5747a58d1..b823d383d501 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -307,8 +307,8 @@ void radeon_uvd_force_into_uvd_segment(struct radeon_bo 
*rbo,
        int i;
 
        for (i = 0; i < rbo->placement.num_placement; ++i) {
-               rbo->placements[i].fpfn = 0 >> PAGE_SHIFT;
-               rbo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
+               rbo->placements[i].param1 = 0 >> PAGE_SHIFT;
+               rbo->placements[i].param2 = (256 * 1024 * 1024) >> PAGE_SHIFT;
        }
 
        /* If it must be in VRAM it must be in the first segment as well */
@@ -321,8 +321,8 @@ void radeon_uvd_force_into_uvd_segment(struct radeon_bo 
*rbo,
 
        /* add another 256MB segment */
        rbo->placements[1] = rbo->placements[0];
-       rbo->placements[1].fpfn += (256 * 1024 * 1024) >> PAGE_SHIFT;
-       rbo->placements[1].lpfn += (256 * 1024 * 1024) >> PAGE_SHIFT;
+       rbo->placements[1].param1 += (256 * 1024 * 1024) >> PAGE_SHIFT;
+       rbo->placements[1].param2 += (256 * 1024 * 1024) >> PAGE_SHIFT;
        rbo->placement.num_placement++;
 }
 
diff --git a/drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c 
b/drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c
index 5cfe8f3f80d7..7d718a81cd13 100644
--- a/drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c
+++ b/drivers/gpu/drm/ttm/tests/ttm_kunit_helpers.c
@@ -10,22 +10,22 @@
 #include "ttm_kunit_helpers.h"
 
 static const struct ttm_place sys_place = {
-       .fpfn = 0,
-       .lpfn = 0,
+       .param1 = 0,
+       .param2 = 0,
        .mem_type = TTM_PL_SYSTEM,
        .flags = TTM_PL_FLAG_FALLBACK,
 };
 
 static const struct ttm_place mock1_place = {
-       .fpfn = 0,
-       .lpfn = 0,
+       .param1 = 0,
+       .param2 = 0,
        .mem_type = TTM_PL_MOCK1,
        .flags = TTM_PL_FLAG_FALLBACK,
 };
 
 static const struct ttm_place mock2_place = {
-       .fpfn = 0,
-       .lpfn = 0,
+       .param1 = 0,
+       .param2 = 0,
        .mem_type = TTM_PL_MOCK2,
        .flags = TTM_PL_FLAG_FALLBACK,
 };
@@ -76,8 +76,8 @@ static int mock_move(struct ttm_buffer_object *bo, bool evict,
            new_mem->mem_type == TTM_PL_SYSTEM) {
                hop->mem_type = TTM_PL_TT;
                hop->flags = TTM_PL_FLAG_TEMPORARY;
-               hop->fpfn = 0;
-               hop->lpfn = 0;
+               hop->param1 = 0;
+               hop->param2 = 0;
                return -EMULTIHOP;
        }
 
diff --git a/drivers/gpu/drm/ttm/tests/ttm_mock_manager.c 
b/drivers/gpu/drm/ttm/tests/ttm_mock_manager.c
index 0d91bc51f1a4..fef7b0d0294d 100644
--- a/drivers/gpu/drm/ttm/tests/ttm_mock_manager.c
+++ b/drivers/gpu/drm/ttm/tests/ttm_mock_manager.c
@@ -32,7 +32,7 @@ static int ttm_mock_manager_alloc(struct ttm_resource_manager 
*man,
        struct ttm_mock_manager *manager = to_mock_mgr(man);
        struct ttm_mock_resource *mock_res;
        struct gpu_buddy *mm = &manager->mm;
-       u64 lpfn, fpfn, alloc_size;
+       u64 end, start, alloc_size;
        int err;
 
        mock_res = kzalloc_obj(*mock_res);
@@ -40,8 +40,8 @@ static int ttm_mock_manager_alloc(struct ttm_resource_manager 
*man,
        if (!mock_res)
                return -ENOMEM;
 
-       fpfn = 0;
-       lpfn = man->size;
+       start = 0;
+       end = man->size;
 
        ttm_resource_init(bo, place, &mock_res->base);
        INIT_LIST_HEAD(&mock_res->blocks);
@@ -54,7 +54,7 @@ static int ttm_mock_manager_alloc(struct ttm_resource_manager 
*man,
 
        alloc_size = (uint64_t)mock_res->base.size;
        mutex_lock(&manager->lock);
-       err = gpu_buddy_alloc_blocks(mm, fpfn, lpfn, alloc_size,
+       err = gpu_buddy_alloc_blocks(mm, start, end, alloc_size,
                                     manager->default_page_size,
                                     &mock_res->blocks,
                                     mock_res->flags);
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c 
b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 3e3c201a0222..2bd5ec375a7c 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -1082,8 +1082,8 @@ long ttm_bo_shrink(struct ttm_operation_ctx *ctx, struct 
ttm_buffer_object *bo,
                   const struct ttm_bo_shrink_flags flags)
 {
        static const struct ttm_place sys_placement_flags = {
-               .fpfn = 0,
-               .lpfn = 0,
+               .param1 = 0,
+               .param2 = 0,
                .mem_type = TTM_PL_SYSTEM,
                .flags = 0,
        };
diff --git a/drivers/gpu/drm/ttm/ttm_range_manager.c 
b/drivers/gpu/drm/ttm/ttm_range_manager.c
index b818836f0726..9d28d2d06e63 100644
--- a/drivers/gpu/drm/ttm/ttm_range_manager.c
+++ b/drivers/gpu/drm/ttm/ttm_range_manager.c
@@ -66,12 +66,12 @@ static int ttm_range_man_alloc(struct ttm_resource_manager 
*man,
        struct ttm_range_mgr_node *node;
        struct drm_mm *mm = &rman->mm;
        enum drm_mm_insert_mode mode;
-       unsigned long lpfn;
+       unsigned long end;
        int ret;
 
-       lpfn = place->lpfn;
-       if (!lpfn)
-               lpfn = man->size;
+       end = place->param2;
+       if (!end)
+               end = man->size;
 
        node = kzalloc_flex(*node, mm_nodes, 1);
        if (!node)
@@ -87,7 +87,7 @@ static int ttm_range_man_alloc(struct ttm_resource_manager 
*man,
        ret = drm_mm_insert_node_in_range(mm, &node->mm_nodes[0],
                                          PFN_UP(node->base.size),
                                          bo->page_alignment, 0,
-                                         place->fpfn, lpfn, mode);
+                                         place->param1, end, mode);
        spin_unlock(&rman->lock);
 
        if (unlikely(ret)) {
@@ -124,8 +124,8 @@ static bool ttm_range_man_intersects(struct 
ttm_resource_manager *man,
        u32 num_pages = PFN_UP(size);
 
        /* Don't evict BOs outside of the requested placement range */
-       if (place->fpfn >= (node->start + num_pages) ||
-           (place->lpfn && place->lpfn <= node->start))
+       if (place->param1 >= (node->start + num_pages) ||
+           (place->param2 && place->param2 <= node->start))
                return false;
 
        return true;
@@ -139,8 +139,8 @@ static bool ttm_range_man_compatible(struct 
ttm_resource_manager *man,
        struct drm_mm_node *node = &to_ttm_range_mgr_node(res)->mm_nodes[0];
        u32 num_pages = PFN_UP(size);
 
-       if (node->start < place->fpfn ||
-           (place->lpfn && (node->start + num_pages) > place->lpfn))
+       if (node->start < place->param1 ||
+           (place->param2 && (node->start + num_pages) > place->param2))
                return false;
 
        return true;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index 9c7a73c0b0dc..2af1dcb65b6f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -222,7 +222,7 @@ int vmw_bo_pin_in_start_of_vram(struct vmw_private 
*dev_priv,
        vmw_bo_placement_set(buf,
                             VMW_BO_DOMAIN_VRAM,
                             VMW_BO_DOMAIN_VRAM);
-       buf->places[0].lpfn = PFN_UP(bo->resource->size);
+       buf->places[0].param2 = PFN_UP(bo->resource->size);
        ret = ttm_bo_validate(bo, &buf->placement, &ctx);
 
        /* For some reason we didn't end up at the start of vram */
@@ -308,8 +308,8 @@ void vmw_bo_pin_reserved(struct vmw_bo *vbo, bool pin)
        if (pin == !!bo->pin_count)
                return;
 
-       pl.fpfn = 0;
-       pl.lpfn = 0;
+       pl.param1 = 0;
+       pl.param2 = 0;
        pl.mem_type = bo->resource->mem_type;
        pl.flags = bo->resource->placement;
 
@@ -758,40 +758,40 @@ set_placement_list(struct ttm_place *pl, u32 desired, u32 
fallback)
                pl[n].mem_type = VMW_PL_MOB;
                pl[n].flags = placement_flags(VMW_BO_DOMAIN_MOB, desired,
                                              fallback);
-               pl[n].fpfn = 0;
-               pl[n].lpfn = 0;
+               pl[n].param1 = 0;
+               pl[n].param2 = 0;
                n++;
        }
        if (domain & VMW_BO_DOMAIN_GMR) {
                pl[n].mem_type = VMW_PL_GMR;
                pl[n].flags = placement_flags(VMW_BO_DOMAIN_GMR, desired,
                                              fallback);
-               pl[n].fpfn = 0;
-               pl[n].lpfn = 0;
+               pl[n].param1 = 0;
+               pl[n].param2 = 0;
                n++;
        }
        if (domain & VMW_BO_DOMAIN_VRAM) {
                pl[n].mem_type = TTM_PL_VRAM;
                pl[n].flags = placement_flags(VMW_BO_DOMAIN_VRAM, desired,
                                              fallback);
-               pl[n].fpfn = 0;
-               pl[n].lpfn = 0;
+               pl[n].param1 = 0;
+               pl[n].param2 = 0;
                n++;
        }
        if (domain & VMW_BO_DOMAIN_WAITABLE_SYS) {
                pl[n].mem_type = VMW_PL_SYSTEM;
                pl[n].flags = placement_flags(VMW_BO_DOMAIN_WAITABLE_SYS,
                                              desired, fallback);
-               pl[n].fpfn = 0;
-               pl[n].lpfn = 0;
+               pl[n].param1 = 0;
+               pl[n].param2 = 0;
                n++;
        }
        if (domain & VMW_BO_DOMAIN_SYS) {
                pl[n].mem_type = TTM_PL_SYSTEM;
                pl[n].flags = placement_flags(VMW_BO_DOMAIN_SYS, desired,
                                              fallback);
-               pl[n].fpfn = 0;
-               pl[n].lpfn = 0;
+               pl[n].param1 = 0;
+               pl[n].param2 = 0;
                n++;
        }
 
@@ -799,8 +799,8 @@ set_placement_list(struct ttm_place *pl, u32 desired, u32 
fallback)
        if (!n) {
                pl[n].mem_type = TTM_PL_SYSTEM;
                pl[n].flags = 0;
-               pl[n].fpfn = 0;
-               pl[n].lpfn = 0;
+               pl[n].param1 = 0;
+               pl[n].param2 = 0;
                n++;
        }
        return n;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index dfd08ee19041..633d198d0fb8 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -30,15 +30,15 @@
 #include <drm/ttm/ttm_placement.h>
 
 static const struct ttm_place vram_placement_flags = {
-       .fpfn = 0,
-       .lpfn = 0,
+       .param1 = 0,
+       .param2 = 0,
        .mem_type = TTM_PL_VRAM,
        .flags = 0
 };
 
 static const struct ttm_place sys_placement_flags = {
-       .fpfn = 0,
-       .lpfn = 0,
+       .param1 = 0,
+       .param2 = 0,
        .mem_type = TTM_PL_SYSTEM,
        .flags = 0
 };
diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
index 4c80bac67622..05a45f154d6d 100644
--- a/drivers/gpu/drm/xe/xe_bo.c
+++ b/drivers/gpu/drm/xe/xe_bo.c
@@ -50,8 +50,8 @@ const char *const xe_mem_type_to_name[TTM_NUM_MEM_TYPES]  = {
 };
 
 static const struct ttm_place sys_placement_flags = {
-       .fpfn = 0,
-       .lpfn = 0,
+       .param1 = 0,
+       .param2 = 0,
        .mem_type = XE_PL_SYSTEM,
        .flags = 0,
 };
@@ -65,14 +65,14 @@ static struct ttm_placement purge_placement;
 
 static const struct ttm_place tt_placement_flags[] = {
        {
-               .fpfn = 0,
-               .lpfn = 0,
+               .param1 = 0,
+               .param2 = 0,
                .mem_type = XE_PL_TT,
                .flags = TTM_PL_FLAG_DESIRED,
        },
        {
-               .fpfn = 0,
-               .lpfn = 0,
+               .param1 = 0,
+               .param2 = 0,
                .mem_type = XE_PL_SYSTEM,
                .flags = TTM_PL_FLAG_FALLBACK,
        }
@@ -248,8 +248,8 @@ static void add_vram(struct xe_device *xe, struct xe_bo *bo,
 
        if (io_size < vram->usable_size) {
                if (bo_flags & XE_BO_FLAG_NEEDS_CPU_ACCESS) {
-                       place.fpfn = 0;
-                       place.lpfn = io_size >> PAGE_SHIFT;
+                       place.param1 = 0;
+                       place.param2 = io_size >> PAGE_SHIFT;
                } else {
                        place.flags |= TTM_PL_FLAG_TOPDOWN;
                }
@@ -1072,8 +1072,8 @@ static int xe_bo_move(struct ttm_buffer_object *ttm_bo, 
bool evict,
            ((old_mem_type == XE_PL_SYSTEM && resource_is_vram(new_mem)) ||
             (mem_type_is_vram(old_mem_type) &&
              new_mem->mem_type == XE_PL_SYSTEM))) {
-               hop->fpfn = 0;
-               hop->lpfn = 0;
+               hop->param1 = 0;
+               hop->param2 = 0;
                hop->mem_type = XE_PL_TT;
                hop->flags = TTM_PL_FLAG_TEMPORARY;
                ret = -EMULTIHOP;
@@ -2454,8 +2454,8 @@ static int __xe_bo_fixed_placement(struct xe_device *xe,
                return -EINVAL;
 
        place->flags = TTM_PL_FLAG_CONTIGUOUS;
-       place->fpfn = start >> PAGE_SHIFT;
-       place->lpfn = end >> PAGE_SHIFT;
+       place->param1 = start >> PAGE_SHIFT;
+       place->param2 = end >> PAGE_SHIFT;
 
        if (flags & XE_BO_FLAG_STOLEN)
                place->mem_type = XE_PL_STOLEN;
diff --git a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c 
b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c
index b518f7dec680..39ed1e87f4e9 100644
--- a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c
+++ b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c
@@ -55,14 +55,14 @@ static int xe_ttm_vram_mgr_new(struct ttm_resource_manager 
*man,
        struct xe_ttm_vram_mgr_resource *vres;
        struct gpu_buddy *mm = &mgr->mm;
        u64 size, min_page_size;
-       unsigned long lpfn;
+       unsigned long end;
        int err;
 
-       lpfn = place->lpfn;
-       if (!lpfn || lpfn > man->size >> PAGE_SHIFT)
-               lpfn = man->size >> PAGE_SHIFT;
+       end = place->param2;
+       if (!end || end > man->size >> PAGE_SHIFT)
+               end = man->size >> PAGE_SHIFT;
 
-       if (tbo->base.size >> PAGE_SHIFT > (lpfn - place->fpfn))
+       if (tbo->base.size >> PAGE_SHIFT > (end - place->param1))
                return -E2BIG; /* don't trigger eviction for the impossible */
 
        vres = kzalloc_obj(*vres);
@@ -85,7 +85,7 @@ static int xe_ttm_vram_mgr_new(struct ttm_resource_manager 
*man,
        if (place->flags & TTM_PL_FLAG_CONTIGUOUS)
                vres->flags |= GPU_BUDDY_CONTIGUOUS_ALLOCATION;
 
-       if (place->fpfn || lpfn != man->size >> PAGE_SHIFT)
+       if (place->param1 || end != man->size >> PAGE_SHIFT)
                vres->flags |= GPU_BUDDY_RANGE_ALLOCATION;
 
        if (WARN_ON(!vres->base.size)) {
@@ -109,18 +109,18 @@ static int xe_ttm_vram_mgr_new(struct 
ttm_resource_manager *man,
        }
 
        mutex_lock(&mgr->lock);
-       if (lpfn <= mgr->visible_size >> PAGE_SHIFT && size > 
mgr->visible_avail) {
+       if (end <= mgr->visible_size >> PAGE_SHIFT && size > 
mgr->visible_avail) {
                err = -ENOSPC;
                goto error_unlock;
        }
 
-       err = gpu_buddy_alloc_blocks(mm, (u64)place->fpfn << PAGE_SHIFT,
-                                    (u64)lpfn << PAGE_SHIFT, size,
+       err = gpu_buddy_alloc_blocks(mm, (u64)place->param1 << PAGE_SHIFT,
+                                    (u64)end << PAGE_SHIFT, size,
                                     min_page_size, &vres->blocks, vres->flags);
        if (err)
                goto error_unlock;
 
-       if (lpfn <= mgr->visible_size >> PAGE_SHIFT) {
+       if (end <= mgr->visible_size >> PAGE_SHIFT) {
                vres->used_visible_size = size;
        } else {
                struct gpu_buddy_block *block;
@@ -217,19 +217,19 @@ static bool xe_ttm_vram_mgr_intersects(struct 
ttm_resource_manager *man,
        struct gpu_buddy *mm = &mgr->mm;
        struct gpu_buddy_block *block;
 
-       if (!place->fpfn && !place->lpfn)
+       if (!place->param1 && !place->param2)
                return true;
 
-       if (!place->fpfn && place->lpfn == mgr->visible_size >> PAGE_SHIFT)
+       if (!place->param1 && place->param2 == mgr->visible_size >> PAGE_SHIFT)
                return vres->used_visible_size > 0;
 
        list_for_each_entry(block, &vres->blocks, link) {
-               unsigned long fpfn =
+               unsigned long start =
                        gpu_buddy_block_offset(block) >> PAGE_SHIFT;
-               unsigned long lpfn = fpfn +
+               unsigned long end = start +
                        (gpu_buddy_block_size(mm, block) >> PAGE_SHIFT);
 
-               if (place->fpfn < lpfn && place->lpfn > fpfn)
+               if (place->param1 < end && place->param2 > start)
                        return true;
        }
 
@@ -247,19 +247,19 @@ static bool xe_ttm_vram_mgr_compatible(struct 
ttm_resource_manager *man,
        struct gpu_buddy *mm = &mgr->mm;
        struct gpu_buddy_block *block;
 
-       if (!place->fpfn && !place->lpfn)
+       if (!place->param1 && !place->param2)
                return true;
 
-       if (!place->fpfn && place->lpfn == mgr->visible_size >> PAGE_SHIFT)
+       if (!place->param1 && place->param2 == mgr->visible_size >> PAGE_SHIFT)
                return vres->used_visible_size == size;
 
        list_for_each_entry(block, &vres->blocks, link) {
-               unsigned long fpfn =
+               unsigned long start =
                        gpu_buddy_block_offset(block) >> PAGE_SHIFT;
-               unsigned long lpfn = fpfn +
+               unsigned long end = start +
                        (gpu_buddy_block_size(mm, block) >> PAGE_SHIFT);
 
-               if (fpfn < place->fpfn || lpfn > place->lpfn)
+               if (start < place->param1 || end > place->param2)
                        return false;
        }
 
diff --git a/include/drm/ttm/ttm_placement.h b/include/drm/ttm/ttm_placement.h
index ab2639e42c54..2c38674be102 100644
--- a/include/drm/ttm/ttm_placement.h
+++ b/include/drm/ttm/ttm_placement.h
@@ -73,16 +73,23 @@
 /**
  * struct ttm_place
  *
- * @fpfn:      first valid page frame number to put the object
- * @lpfn:      last valid page frame number to put the object
+ * @param1:    generic placement parameter, interpretation depends on the
+ *             backend resource manager. For range-based managers (e.g. the
+ *             VRAM range manager, the buddy managers in amdgpu/i915/xe and
+ *             the TTM range manager) this is the start of the allowed range,
+ *             typically expressed as a page frame number.
+ * @param2:    generic placement parameter, interpretation depends on the
+ *             backend resource manager. For range-based managers this is the
+ *             exclusive end of the allowed range (a value of 0 means
+ *             "no upper bound").
  * @mem_type:  One of TTM_PL_* where the resource should be allocated from.
  * @flags:     memory domain and caching flags for the object
  *
  * Structure indicating a possible place to put an object.
  */
 struct ttm_place {
-       uint64_t        fpfn;
-       uint64_t        lpfn;
+       uint64_t        param1;
+       uint64_t        param2;
        uint32_t        mem_type;
        uint32_t        flags;
 };

base-commit: b9e2d5cdaab05c997be3a69d9b372d7676683e1b
-- 
2.34.1

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