split rhel7/rhel8 install_driver register to avoid overwriting the va…

…lue when skipped

tasks/install-redhat.yml

@@ -52,7 +52,7 @@
     name: "{{ nvidia_driver_package_version | ternary('nvidia-driver-latest-dkms-'+nvidia_driver_package_version, 'nvidia-driver-latest-dkms') }}"
     state: "{{ nvidia_driver_package_state }}"
     autoremove: "{{ nvidia_driver_package_state == 'absent' }}"
-  register: install_driver
+  register: install_driver_rhel7
   environment: "{{proxy_env if proxy_env is defined else {}}}"
   when: ansible_distribution_major_version < '8'
 
@@ -61,6 +61,13 @@
     name: "{{ nvidia_driver_package_version | ternary('@nvidia-driver:'+nvidia_driver_package_version, '@nvidia-driver:latest-dkms') }}"
     state: "{{ nvidia_driver_package_state }}"
     autoremove: "{{ nvidia_driver_package_state == 'absent' }}"
-  register: install_driver
+  register: install_driver_rhel8
   environment: "{{proxy_env if proxy_env is defined else {}}}"
   when: ansible_distribution_major_version > '7'
+
+- name: Set install_driver.changed var for RHEL 7/8
+  debug:
+      msg: Driver installed for RHEL
+  when: install_driver_rhel7.changed or install_driver_rhel8.changed
+  register: install_driver
+  changed_when: install_driver_rhel7.changed or install_driver_rhel8.changed