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anv: opportunistically align VMA to 2Mb

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Tested-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23198>
This commit is contained in:
Lionel Landwerlin
2023-05-25 13:14:56 +03:00
committed by Marge Bot
parent 28efc785d3
commit 8ebb9e2c13
1 changed files with 9 additions and 0 deletions
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9
src/intel/vulkan/anv_allocator.c
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@@ -1411,6 +1411,15 @@ anv_bo_vma_alloc_or_close(struct anv_device *device,
if (device->info->has_aux_map && (alloc_flags & ANV_BO_ALLOC_IMPLICIT_CCS))
align = MAX2(intel_aux_map_get_alignment(device->aux_map_ctx), align);
/* Opportunistically align addresses to 2Mb when above 1Mb. We do this
* because this gives an opportunity for the kernel to use Transparent Huge
* Pages (the 2MB page table layout) for faster memory access.
*
* Only available on ICL+.
*/
if (device->info->ver >= 11 && (bo->size + bo->_ccs_size) >= 1 * 1024 * 1024)
align = MAX2(2 * 1024 * 1024, align);
if (alloc_flags & ANV_BO_ALLOC_FIXED_ADDRESS) {
bo->has_fixed_address = true;
bo->offset = explicit_address;