diff --git a/docs/relnotes/new_features.txt b/docs/relnotes/new_features.txt
index 051daf16d060..d2d179b1ac2c 100644
--- a/docs/relnotes/new_features.txt
+++ b/docs/relnotes/new_features.txt
@@ -78,3 +78,4 @@ GL_OES_draw_buffers_indexed on etnaviv/HALTI5
 GL_OES_EGL_image_external_essl3 on etnaviv/HALTI5
 GLES 3.0 on etnaviv/HALTI5
 VK_QCOM_rotated_copy_commands on Turnip
+VK_AMD_shader_core_properties2 on honeykrisp
diff --git a/src/asahi/vulkan/hk_physical_device.c b/src/asahi/vulkan/hk_physical_device.c
index ac48a0805b15..72850f945dc6 100644
--- a/src/asahi/vulkan/hk_physical_device.c
+++ b/src/asahi/vulkan/hk_physical_device.c
@@ -224,6 +224,7 @@ hk_get_device_extensions(const struct agx_device *dev,
       .KHR_vulkan_memory_model = true,
       .KHR_workgroup_memory_explicit_layout = true,
       .KHR_zero_initialize_workgroup_memory = true,
+      .AMD_shader_core_properties2 = true,
       .EXT_4444_formats = true,
       .EXT_attachment_feedback_loop_layout = true,
       .EXT_blend_operation_advanced = true,
@@ -1434,6 +1435,9 @@ hk_get_device_properties(const struct agx_device *dev,
       .dynamicRenderingLocalReadDepthStencilAttachments = false,
       .dynamicRenderingLocalReadMultisampledAttachments = true,
 
+      /* VK_AMD_shader_core_properties2 */
+      .activeComputeUnitCount = agx_get_num_cores(dev),
+
       /* VK_KHR_push_descriptor */
       .maxPushDescriptors = HK_MAX_PUSH_DESCRIPTORS,