Commit 65336c3f authored by Michal Wajdeczko's avatar Michal Wajdeczko
Browse files

drm/xe/vf: Disable features that do not apply to VFs 



We already maintain several flags that control the availability
of features on a given device. Disable features, like PCODE or
GuC PC or GSC, that do not apply to a VF device.

Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Piotr Piórkowski <piotr.piorkowski@intel.com>
Reviewed-by: default avatarPiotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240620100147.949-1-michal.wajdeczko@intel.com
parent d35386b3

drivers/gpu/drm/xe/xe_device.c

+13 −0
Original line number Diff line number Diff line
@@ -486,6 +486,17 @@ static int wait_for_lmem_ready(struct xe_device *xe) 
	return 0;

}



static void update_device_info(struct xe_device *xe)

{

	/* disable features that are not available/applicable to VFs */

	if (IS_SRIOV_VF(xe)) {

		xe->info.enable_display = 0;

		xe->info.has_heci_gscfi = 0;

		xe->info.skip_guc_pc = 1;

		xe->info.skip_pcode = 1;

	}

}



/**

 * xe_device_probe_early: Device early probe

 * @xe: xe device instance
@@ -506,6 +517,8 @@ int xe_device_probe_early(struct xe_device *xe) 


	xe_sriov_probe_early(xe);



	update_device_info(xe);



	err = xe_pcode_probe_early(xe);

	if (err)

		return err;