Unverified Commit 43d78aca authored by Lukasz Laguna's avatar Lukasz Laguna Committed by Rodrigo Vivi
Browse files

drm/xe/vf: Disallow setting wedged mode to upon-any-hang 



In upon-any-hang (2) wedged mode, engine resets need to be disabled,
which requires changing the GuC reset policy. VFs are not permitted to
do that.

Signed-off-by: default avatarLukasz Laguna <lukasz.laguna@intel.com>
Reviewed-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20260107174741.29163-4-lukasz.laguna@intel.com


Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent 0f13dead

drivers/gpu/drm/xe/xe_device.c

+5 −0
Original line number Diff line number Diff line
@@ -1387,6 +1387,11 @@ int xe_device_validate_wedged_mode(struct xe_device *xe, unsigned int mode) 
	if (mode > XE_WEDGED_MODE_UPON_ANY_HANG_NO_RESET) {

		drm_dbg(&xe->drm, "wedged_mode: invalid value (%u)\n", mode);

		return -EINVAL;

	} else if (mode == XE_WEDGED_MODE_UPON_ANY_HANG_NO_RESET && IS_SRIOV_VF(xe)) {

		drm_dbg(&xe->drm, "wedged_mode: (%u) %s mode is not supported for %s\n",

			mode, xe_wedged_mode_to_string(mode),

			xe_sriov_mode_to_string(xe_device_sriov_mode(xe)));

		return -EPERM;

	}



	return 0;