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| author | Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com> | 2024-10-09 18:19:46 +0300 |
|---|---|---|
| committer | Mika Kahola <mika.kahola@intel.com> | 2024-10-14 17:33:39 +0300 |
| commit | 3ad86ae1da97d0091f673f08846848714f6dd745 (patch) | |
| tree | bd45c5d266f3ba76d3c5949840dbd1848c697272 /drivers/gpu/drm/xe/xe_bo.c | |
| parent | 26f69e88dcc95fffc62ed2aea30ad7b1fdf31fdb (diff) | |
| download | lwn-3ad86ae1da97d0091f673f08846848714f6dd745.tar.gz lwn-3ad86ae1da97d0091f673f08846848714f6dd745.zip | |
drm/xe: add interface to request physical alignment for buffer objects
Add xe_bo_create_pin_map_at_aligned() which augment
xe_bo_create_pin_map_at() with alignment parameter allowing to pass
required alignemnt if it differ from default.
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241009151947.2240099-2-juhapekka.heikkila@gmail.com
Diffstat (limited to 'drivers/gpu/drm/xe/xe_bo.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_bo.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index 5e8f60a8d431..d5d30a0ff1e7 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -1454,7 +1454,8 @@ static struct xe_bo * __xe_bo_create_locked(struct xe_device *xe, struct xe_tile *tile, struct xe_vm *vm, size_t size, u64 start, u64 end, - u16 cpu_caching, enum ttm_bo_type type, u32 flags) + u16 cpu_caching, enum ttm_bo_type type, u32 flags, + u64 alignment) { struct xe_bo *bo = NULL; int err; @@ -1483,6 +1484,8 @@ __xe_bo_create_locked(struct xe_device *xe, if (IS_ERR(bo)) return bo; + bo->min_align = alignment; + /* * Note that instead of taking a reference no the drm_gpuvm_resv_bo(), * to ensure the shared resv doesn't disappear under the bo, the bo @@ -1523,16 +1526,18 @@ struct xe_bo * xe_bo_create_locked_range(struct xe_device *xe, struct xe_tile *tile, struct xe_vm *vm, size_t size, u64 start, u64 end, - enum ttm_bo_type type, u32 flags) + enum ttm_bo_type type, u32 flags, u64 alignment) { - return __xe_bo_create_locked(xe, tile, vm, size, start, end, 0, type, flags); + return __xe_bo_create_locked(xe, tile, vm, size, start, end, 0, type, + flags, alignment); } struct xe_bo *xe_bo_create_locked(struct xe_device *xe, struct xe_tile *tile, struct xe_vm *vm, size_t size, enum ttm_bo_type type, u32 flags) { - return __xe_bo_create_locked(xe, tile, vm, size, 0, ~0ULL, 0, type, flags); + return __xe_bo_create_locked(xe, tile, vm, size, 0, ~0ULL, 0, type, + flags, 0); } struct xe_bo *xe_bo_create_user(struct xe_device *xe, struct xe_tile *tile, @@ -1542,7 +1547,7 @@ struct xe_bo *xe_bo_create_user(struct xe_device *xe, struct xe_tile *tile, { struct xe_bo *bo = __xe_bo_create_locked(xe, tile, vm, size, 0, ~0ULL, cpu_caching, ttm_bo_type_device, - flags | XE_BO_FLAG_USER); + flags | XE_BO_FLAG_USER, 0); if (!IS_ERR(bo)) xe_bo_unlock_vm_held(bo); @@ -1566,6 +1571,17 @@ struct xe_bo *xe_bo_create_pin_map_at(struct xe_device *xe, struct xe_tile *tile size_t size, u64 offset, enum ttm_bo_type type, u32 flags) { + return xe_bo_create_pin_map_at_aligned(xe, tile, vm, size, offset, + type, flags, 0); +} + +struct xe_bo *xe_bo_create_pin_map_at_aligned(struct xe_device *xe, + struct xe_tile *tile, + struct xe_vm *vm, + size_t size, u64 offset, + enum ttm_bo_type type, u32 flags, + u64 alignment) +{ struct xe_bo *bo; int err; u64 start = offset == ~0ull ? 0 : offset; @@ -1576,7 +1592,8 @@ struct xe_bo *xe_bo_create_pin_map_at(struct xe_device *xe, struct xe_tile *tile flags |= XE_BO_FLAG_GGTT; bo = xe_bo_create_locked_range(xe, tile, vm, size, start, end, type, - flags | XE_BO_FLAG_NEEDS_CPU_ACCESS); + flags | XE_BO_FLAG_NEEDS_CPU_ACCESS, + alignment); if (IS_ERR(bo)) return bo; |