Mesa (main): anv: Align state pools to 2MiB on XeHP

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Module: Mesa
Branch: main
Commit: 0fffaa9fca93f6e9e8934b43d4aeb4594aea2202
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0fffaa9fca93f6e9e8934b43d4aeb4594aea2202

Author: Jordan Justen <jordan.l.justen at intel.com>
Date:   Tue Feb 15 10:45:37 2022 -0800

anv: Align state pools to 2MiB on XeHP

Suggested-by: Jason Ekstrand <jason.ekstrand at collabora.com>
Fixes: c17e2216dd5 ("anv: Align buffer VMA to 2MiB for XeHP")
Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15054>

---

 src/intel/vulkan/anv_allocator.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/intel/vulkan/anv_allocator.c b/src/intel/vulkan/anv_allocator.c
index a7060e347ce..821eadba3c9 100644
--- a/src/intel/vulkan/anv_allocator.c
+++ b/src/intel/vulkan/anv_allocator.c
@@ -374,6 +374,12 @@ anv_block_pool_init(struct anv_block_pool *pool,
 {
    VkResult result;
 
+   if (device->info.verx10 >= 125) {
+      /* Make sure VMA addresses are 2MiB aligned for the block pool */
+      assert(anv_is_aligned(start_address, 2 * 1024 * 1024));
+      assert(anv_is_aligned(initial_size, 2 * 1024 * 1024));
+   }
+
    pool->name = name;
    pool->device = device;
    pool->use_relocations = anv_use_relocations(device->physical);
@@ -838,9 +844,13 @@ anv_state_pool_init(struct anv_state_pool *pool,
    /* We don't want to ever see signed overflow */
    assert(start_offset < INT32_MAX - (int32_t)BLOCK_POOL_MEMFD_SIZE);
 
+   uint32_t initial_size = block_size * 16;
+   if (device->info.verx10 >= 125)
+      initial_size = MAX2(initial_size, 2 * 1024 * 1024);
+
    VkResult result = anv_block_pool_init(&pool->block_pool, device, name,
                                          base_address + start_offset,
-                                         block_size * 16);
+                                         initial_size);
    if (result != VK_SUCCESS)
       return result;