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vulkan: avoid preferring transfer queue on AMD UMA devices (#22455)

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This commit is contained in:
Winston Ma
2026-05-27 11:48:40 +02:00
committed by GitHub
parent 0d227ec358
commit 4d8cc0c56f
1 changed files with 6 additions and 2 deletions
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ggml/src/ggml-vulkan/ggml-vulkan.cpp
+6 -2
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@@ -5841,8 +5841,12 @@ static vk_device ggml_vk_get_device(size_t idx) {
ggml_vk_load_shaders(device);
// Only use transfer queue on AMD non-GCN, when the graphics queue is not enabled
const bool prefers_transfer_queue = device->vendor_id == VK_VENDOR_ID_AMD && device->architecture != AMD_GCN && !allow_graphics_queue;
// Prefer a dedicated transfer queue on AMD dGPUs (non-GCN) when graphics queue use is disabled.
const bool prefers_transfer_queue =
device->vendor_id == VK_VENDOR_ID_AMD &&
device->architecture != AMD_GCN &&
!device->uma &&
!allow_graphics_queue;
if (!device->single_queue) {
const uint32_t transfer_queue_index = compute_queue_family_index == transfer_queue_family_index ? 1 : 0;