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llama.cpp
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vulkan: avoid graphics queue on non-RADV AMD drivers

This commit is contained in:
Ruben Ortlam 2026-03-15 18:07:19 +01:00
parent ceef6b5233
commit 6c48fa46f6
1 changed files with 2 additions and 2 deletions
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4
ggml/src/ggml-vulkan/ggml-vulkan.cpp
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@ -4981,8 +4981,8 @@ static vk_device ggml_vk_get_device(size_t idx) {
std::vector<vk::QueueFamilyProperties> queue_family_props = device->physical_device.getQueueFamilyProperties();
// Try to find a non-graphics compute queue and transfer-focused queues
// On AMD, the graphics queue seems to be faster, so don't avoid it
const vk::QueueFlagBits graphics_flag = device->vendor_id == VK_VENDOR_ID_AMD ? (vk::QueueFlagBits)0 : vk::QueueFlagBits::eGraphics;
// On AMD GPUs with RADV driver, the graphics queue seems to be faster, so don't avoid it
const vk::QueueFlagBits graphics_flag = (device->vendor_id == VK_VENDOR_ID_AMD && device->driver_id == vk::DriverId::eMesaRadv) ? (vk::QueueFlagBits)0 : vk::QueueFlagBits::eGraphics;
const uint32_t compute_queue_family_index = ggml_vk_find_queue_family_index(queue_family_props, vk::QueueFlagBits::eCompute, graphics_flag, -1, 1);
const uint32_t transfer_queue_family_index = ggml_vk_find_queue_family_index(queue_family_props, vk::QueueFlagBits::eTransfer, vk::QueueFlagBits::eCompute | graphics_flag, compute_queue_family_index, 1);