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| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-07-15 20:05:38 +0200 |
|---|---|---|
| committer | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-07-22 12:53:06 +0200 |
| commit | 25ec7e809cc1fe9f01a71199d29092f6f1b4611c (patch) | |
| tree | 1afea8982b2d9a386b9a5c4ff4d5f718a90a9d6f /drivers/gpu/drm/xe/xe_bo.c | |
| parent | 9790bbe3ba48b659c0152f49552f6abc18f85bc8 (diff) | |
| download | lwn-25ec7e809cc1fe9f01a71199d29092f6f1b4611c.tar.gz lwn-25ec7e809cc1fe9f01a71199d29092f6f1b4611c.zip | |
drm/xe: Add NEEDS_2M BO flag
In addition of NEEDS_64K BO flag, add similar one to force 2 MiB
alignment of the buffer objects. Explicitly use this flag during
VF LMEM provisioning as LMTT uses 2 MiB pages and one day we may
drop requirement of allocating pinned objects as contiguous.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240715180538.1418-3-michal.wajdeczko@intel.com
Diffstat (limited to 'drivers/gpu/drm/xe/xe_bo.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_bo.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index da35b4a21739..3295bc92d7aa 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -1264,13 +1264,14 @@ struct xe_bo *___xe_bo_create_locked(struct xe_device *xe, struct xe_bo *bo, if (flags & (XE_BO_FLAG_VRAM_MASK | XE_BO_FLAG_STOLEN) && !(flags & XE_BO_FLAG_IGNORE_MIN_PAGE_SIZE) && ((xe->info.vram_flags & XE_VRAM_FLAGS_NEED64K) || - (flags & XE_BO_FLAG_NEEDS_64K))) { - aligned_size = ALIGN(size, SZ_64K); + (flags & (XE_BO_FLAG_NEEDS_64K | XE_BO_FLAG_NEEDS_2M)))) { + size_t align = flags & XE_BO_FLAG_NEEDS_2M ? SZ_2M : SZ_64K; + + aligned_size = ALIGN(size, align); if (type != ttm_bo_type_device) - size = ALIGN(size, SZ_64K); + size = ALIGN(size, align); flags |= XE_BO_FLAG_INTERNAL_64K; - alignment = SZ_64K >> PAGE_SHIFT; - + alignment = align >> PAGE_SHIFT; } else { aligned_size = ALIGN(size, SZ_4K); flags &= ~XE_BO_FLAG_INTERNAL_64K; |