Commit e8c3a913 authored by Tejas Upadhyay's avatar Tejas Upadhyay
Browse files

drm/xe/xe3p: Skip TD flush 



Xe3p has HW ability to do transient display flush so the xe driver can
enable this HW feature by default and skip the software TD flush.

Bspec: 60002
Reviewed-by: default avatarThomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: default avatarShekhar Chauhan <shekhar.chauhan@intel.com>
Link: https://patch.msgid.link/20260305121902.1892593-10-tejas.upadhyay@intel.com


Signed-off-by: default avatarTejas Upadhyay <tejas.upadhyay@intel.com>
parent 4f39a194

drivers/gpu/drm/xe/xe_device.c

+8 −0
Original line number Diff line number Diff line
@@ -1163,6 +1163,14 @@ void xe_device_td_flush(struct xe_device *xe) 
{

	struct xe_gt *root_gt;



	/*

	 * From Xe3p onward the HW takes care of flush of TD entries also along

	 * with flushing XA entries, which will be at the usual sync points,

	 * like at the end of submission, so no manual flush is needed here.

	 */

	if (GRAPHICS_VER(xe) >= 35)

		return;



	if (!IS_DGFX(xe) || GRAPHICS_VER(xe) < 20)

		return;