Fix invalid string conditionals for GPU detection

pre_tasks.yml

@@ -33,7 +33,7 @@
 
     - name: Set has_amd_gpu fact based on lspci output
       ansible.builtin.set_fact:
-        has_amd_gpu: "{{ 'true' if lspci_output_amd.stdout != '' else 'false' }}"
+        has_amd_gpu: "{{ lspci_output_amd.stdout | length > 0 }}"
 
     - name: Check for Intel GPU presence
       ansible.builtin.shell:
@@ -46,7 +46,7 @@
 
     - name: Set has_intel_gpu fact based on lspci output
       ansible.builtin.set_fact:
-        has_intel_gpu: "{{ 'true' if lspci_output_intel.stdout != '' else 'false' }}"
+        has_intel_gpu: "{{ lspci_output_intel.stdout | length > 0 }}"
 
     - name: Check for NVIDIA GPU presence
       ansible.builtin.shell:
@@ -59,6 +59,6 @@
 
     - name: Set has_nvidia_gpu fact based on lspci output
       ansible.builtin.set_fact:
-        has_nvidia_gpu: "{{ 'true' if lspci_output.stdout != '' else 'false' }}"
+        has_nvidia_gpu: "{{ lspci_output.rc | default(1) == 0 }}"
 
   tags: always

roles/davinci_resolve/tasks/main.yml

@@ -29,21 +29,21 @@
       - mesa-opencl-icd
       - opencl-headers
     state: present
-  when: has_amd_gpu
+  when: has_amd_gpu | bool
 
 - name: Install OpenCL ICD for Intel GPU
   become: true
   ansible.builtin.apt:
     name: intel-opencl-icd
     state: present
-  when: has_intel_gpu
+  when: has_intel_gpu | bool
 
 - name: Install OpenCL development package for NVIDIA GPU
   become: true
   ansible.builtin.apt:
     name: nvidia-opencl-dev
     state: present
-  when: has_nvidia_gpu
+  when: has_nvidia_gpu | bool
 
 - name: Fetch the download_id and version info from the source URL
   ansible.builtin.uri:
@@ -62,9 +62,8 @@
   ansible.builtin.set_fact:
     pkgver: >-
       {{
-        major_version
-        + '.' + minor_version
-        + ('.' + release_version if release_version | int != 0 else '')
+        major_version ~ '.' ~ minor_version
+        ~ ('.' ~ release_version if (release_version | int) != 0 else '')
       }}
 
 # First step: Register to get the actual download URL

roles/graphics_drivers/tasks/main.yml

@@ -8,7 +8,7 @@
     suites: "{{ ansible_distribution_release }}"
     components: main
     signed_by: https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x2388FF3BE10A76F638F80723FCAE110B1118213C
-  when: has_nvidia_gpu == 'true'
+  when: has_nvidia_gpu | bool
 
 - name: Upgrade installed packages
   become: true