kernel/linux.git/drivers/gpu/drm/xe/xe_sysctrl_mailbox.c, branch master Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=master 2026-03-30T17:06:55+00:00 drm/xe/xe_sysctrl: Add System Controller mailbox communication support 2026-03-30T17:06:55+00:00 Anoop Vijay anoop.c.vijay@intel.com 2026-03-27T13:18:42+00:00 urn:sha1:1f95f618182b5c99d46378141e0fb84f09bf914b Add mailbox communication layer required for interacting with System Controller firmware, enabling command submission and response handling. This patch implements command/response handling logic, including error and timeout handling. Signed-off-by: Anoop Vijay <anoop.c.vijay@intel.com> Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Link: https://patch.msgid.link/20260327131837.2192929-14-anoop.c.vijay@intel.com