From e6b0d04adfb35ed11640c008f2c2cf1fed9495eb Mon Sep 17 00:00:00 2001
From: winskuo-quic <winskuo@qti.qualcomm.com>
Date: Wed, 11 Mar 2026 04:19:44 -0700
Subject: [PATCH 1/3] Temp fix on amd vendor

---
 backends/qualcomm/__init__.py      | 9 ++++++++-
 backends/qualcomm/scripts/build.sh | 1 +
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/backends/qualcomm/__init__.py b/backends/qualcomm/__init__.py
index c7d735a69b9..fc30bd7eb65 100644
--- a/backends/qualcomm/__init__.py
+++ b/backends/qualcomm/__init__.py
@@ -1,7 +1,9 @@
 import os
 
-from .scripts.download_qnn_sdk import install_qnn_sdk, is_linux_x86, QNN_ZIP_URL
+import cpuinfo
+import torch
 
+from .scripts.download_qnn_sdk import install_qnn_sdk, is_linux_x86, QNN_ZIP_URL
 
 env_flag = os.getenv("EXECUTORCH_BUILDING_WHEEL", "0").lower()
 # If users have preinstalled QNN_SDK_ROOT, we will use it.
@@ -27,3 +29,8 @@
                 "       export LD_LIBRARY_PATH="
                 "$QNN_SDK_ROOT/lib/x86_64-linux-clang/:$LD_LIBRARY_PATH"
             )
+
+info = cpuinfo.get_cpu_info()
+vendor = info.get("vendor_id_raw", "").lower()
+if "amd" in vendor:
+    torch.backends.mkldnn.enabled = False
diff --git a/backends/qualcomm/scripts/build.sh b/backends/qualcomm/scripts/build.sh
index ac84b261f33..b07b799dc6b 100755
--- a/backends/qualcomm/scripts/build.sh
+++ b/backends/qualcomm/scripts/build.sh
@@ -7,6 +7,7 @@
 set -e
 
 pip install pydot
+pip install py-cpuinfo
 
 # Check if running on macOS/Darwin
 if [[ "$(uname -s)" == "Darwin" ]]; then

From 5e7314fabe9f0f8de366bd133e4da2f9bfb6e40f Mon Sep 17 00:00:00 2001
From: Winston Kuo <winskuo@qti.qualcomm.com>
Date: Tue, 7 Apr 2026 09:55:30 +0800
Subject: [PATCH 2/3] Code Review

---
 .ci/scripts/setup-qnn-deps.sh      |  3 ++-
 backends/qualcomm/__init__.py      | 17 +++++++++++------
 backends/qualcomm/requirements.txt |  5 +++++
 backends/qualcomm/scripts/build.sh |  3 +--
 4 files changed, 19 insertions(+), 9 deletions(-)
 create mode 100644 backends/qualcomm/requirements.txt

diff --git a/.ci/scripts/setup-qnn-deps.sh b/.ci/scripts/setup-qnn-deps.sh
index 0de9db5c030..8b1afecd47a 100644
--- a/.ci/scripts/setup-qnn-deps.sh
+++ b/.ci/scripts/setup-qnn-deps.sh
@@ -11,4 +11,5 @@ source "$(dirname "${BASH_SOURCE[0]}")/../../backends/qualcomm/scripts/install_q
 
 setup_libcpp 12
 setup_android_ndk
-install_qnn
\ No newline at end of file
+install_qnn
+pip install -r backends/qualcomm/requirements.txt
\ No newline at end of file
diff --git a/backends/qualcomm/__init__.py b/backends/qualcomm/__init__.py
index fc30bd7eb65..7e2c350e53d 100644
--- a/backends/qualcomm/__init__.py
+++ b/backends/qualcomm/__init__.py
@@ -1,10 +1,20 @@
 import os
 
-import cpuinfo
 import torch
 
 from .scripts.download_qnn_sdk import install_qnn_sdk, is_linux_x86, QNN_ZIP_URL
 
+try:
+    import cpuinfo
+
+    info = cpuinfo.get_cpu_info()
+    vendor = info.get("vendor_id_raw", "").lower()
+    if "amd" in vendor:
+        torch.backends.mkldnn.enabled = False
+except ImportError:
+    raise ImportError("Please install the cpuinfo with pip install py-cpuinfo.")
+
+
 env_flag = os.getenv("EXECUTORCH_BUILDING_WHEEL", "0").lower()
 # If users have preinstalled QNN_SDK_ROOT, we will use it.
 qnn_sdk_root_flag = os.getenv("QNN_SDK_ROOT", None)
@@ -29,8 +39,3 @@
                 "       export LD_LIBRARY_PATH="
                 "$QNN_SDK_ROOT/lib/x86_64-linux-clang/:$LD_LIBRARY_PATH"
             )
-
-info = cpuinfo.get_cpu_info()
-vendor = info.get("vendor_id_raw", "").lower()
-if "amd" in vendor:
-    torch.backends.mkldnn.enabled = False
diff --git a/backends/qualcomm/requirements.txt b/backends/qualcomm/requirements.txt
new file mode 100644
index 00000000000..038e94f1b1f
--- /dev/null
+++ b/backends/qualcomm/requirements.txt
@@ -0,0 +1,5 @@
+graphviz
+pydot
+py-cpuinfo
+requests
+tabulate
diff --git a/backends/qualcomm/scripts/build.sh b/backends/qualcomm/scripts/build.sh
index b07b799dc6b..5393ed77e6c 100755
--- a/backends/qualcomm/scripts/build.sh
+++ b/backends/qualcomm/scripts/build.sh
@@ -6,8 +6,7 @@
 # LICENSE file in the root directory of this source tree.
 set -e
 
-pip install pydot
-pip install py-cpuinfo
+pip install -r backends/qualcomm/requirements.txt
 
 # Check if running on macOS/Darwin
 if [[ "$(uname -s)" == "Darwin" ]]; then

From ae571aeb7c1a9031e214e7326a4d6adbf66cad49 Mon Sep 17 00:00:00 2001
From: Winston Kuo <winskuo@qti.qualcomm.com>
Date: Tue, 7 Apr 2026 14:28:48 +0800
Subject: [PATCH 3/3] use requirments.txt for wheel qnn build

---
 .ci/scripts/test_wheel_package_qnn.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.ci/scripts/test_wheel_package_qnn.sh b/.ci/scripts/test_wheel_package_qnn.sh
index 1c66426f0af..763bd8733c1 100644
--- a/.ci/scripts/test_wheel_package_qnn.sh
+++ b/.ci/scripts/test_wheel_package_qnn.sh
@@ -177,6 +177,9 @@ PY
   "$PIPBIN" install . --no-build-isolation
   popd > /dev/null
 
+  # Install qualcomm backend dependencies  
+  "$PIPBIN" install -r "$REPO_ROOT/backends/qualcomm/requirements.txt"
+
   echo "=== [$LABEL] Import smoke tests ==="
   "$PYBIN" -c "import executorch; print('executorch imported successfully')"
   "$PYBIN" -c "import executorch.backends.qualcomm; print('executorch.backends.qualcomm imported successfully')"