anv: leave the top 4Gb of the high heap VMA unused
authorLionel Landwerlin <lionel.g.landwerlin@intel.com>
Fri, 12 Apr 2019 10:05:33 +0000 (11:05 +0100)
committerLionel Landwerlin <lionel.g.landwerlin@intel.com>
Sat, 13 Apr 2019 12:08:23 +0000 (12:08 +0000)
In 628c9ca9089789 I forgot to apply the same -4Gb of the high address
of the high heap VMA. This was previously computed in the
HIGH_HEAP_MAX_ADDRESS.

Many thanks to James for pointing this out.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reported-by: Xiong, James <james.xiong@intel.com>
Fixes: 628c9ca9089789 ("anv: store heap address bounds when initializing physical device")
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
src/intel/vulkan/anv_device.c

index fad5db196c9a641efa41263150678ebd51affa4c..48b2c256a174981ab79fb8bbfe36a2336f826bb5 100644 (file)
@@ -171,7 +171,11 @@ anv_physical_device_init_heaps(struct anv_physical_device *device, int fd)
       device->memory.heap_count = 2;
       device->memory.heaps[0] = (struct anv_memory_heap) {
          .vma_start = HIGH_HEAP_MIN_ADDRESS,
-         .vma_size = gtt_size - HIGH_HEAP_MIN_ADDRESS,
+         /* Leave the last 4GiB out of the high vma range, so that no state
+          * base address + size can overflow 48 bits. For more information see
+          * the comment about Wa32bitGeneralStateOffset in anv_allocator.c
+          */
+         .vma_size = gtt_size - (1ull << 32) - HIGH_HEAP_MIN_ADDRESS,
          .size = heap_size_48bit,
          .flags = VK_MEMORY_HEAP_DEVICE_LOCAL_BIT,
          .supports_48bit_addresses = true,
@@ -1988,10 +1992,6 @@ VkResult anv_CreateDevice(
       util_vma_heap_init(&device->vma_lo, low_heap->vma_start, low_heap->vma_size);
       device->vma_lo_available = low_heap->size;
 
-      /* Leave the last 4GiB out of the high vma range, so that no state base
-       * address + size can overflow 48 bits. For more information see the
-       * comment about Wa32bitGeneralStateOffset in anv_allocator.c
-       */
       struct anv_memory_heap *high_heap =
          &physical_device->memory.heaps[0];
       util_vma_heap_init(&device->vma_hi, high_heap->vma_start, high_heap->vma_size);