This is just a reference for the patches. not to be merged Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx> --- REFERENCE | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 REFERENCE diff --git a/REFERENCE b/REFERENCE new file mode 100644 index 000000000000..2e53f9cc82ff --- /dev/null +++ b/REFERENCE @@ -0,0 +1,49 @@ +SRM interface Reference Usermode scripts for ubuntu. +These are just reference sciprts to facilitate the SRM interface for amdgpu. + ++-----------------------------------------------------------------------------------------------------+ +| Main script, this is called on boot/shutdown/suspend/resume , it calls the sysfs to get/set the SRM | +| FILE: /home/amdgpu_hdcp_srm_script.sh | ++-----------------------------------------------------------------------------------------------------+ +#!/bin/bash + +SRMFILE="/home/SRM" +sudo cat "$SRMFILE" > /sys/class/drm/card0/device/hdcp_srm +sudo cat /sys/class/drm/card0/device/hdcp_srm > "$SRMFILE" + + + + + ++-----------------------------------------------------------------------------------------------------+ +| .service file, This is placed into /etc/systemd/system/ so it runs the main script on boot/shutdown | +| FILE: /etc/systemd/system/amdgpu_hdc_srm_boot_shutdown.service | ++-----------------------------------------------------------------------------------------------------+ +[Unit] +Description=HDCP SRM boot and shutdown save/load + +[Service] +Type=simple +ExecStart=/home/amdgpu_hdcp_srm_script.sh +ExecStop=/home/amdgpu_hdcp_srm_script.sh + +[Install] +WantedBy=multi-user.target + + + ++-----------------------------------------------------------------------------------------------------+ +| To run the script on boot/start run | ++-----------------------------------------------------------------------------------------------------+ +sudo systemctl start amdgpu_hdc_srm_boot_shutdown +sudo systemctl enable amdgpu_hdc_srm_boot_shutdown + + + ++-----------------------------------------------------------------------------------------------------+ +| To symlnk the files (adding to these directory will run the script on suspend/resume | ++-----------------------------------------------------------------------------------------------------+ +sudo ln -s $SCRIPTFILE /lib/systemd/system-sleep/amdgpu_hdcp_srm +sudo ln -s $SCRIPTFILE /usr/lib/pm-utils/sleep.d/95amdgpu_hdcp_srm + + -- 2.17.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
