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drm/xe/xe3p: Skip TD flush

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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: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Shekhar Chauhan <shekhar.chauhan@intel.com>
Link: https://patch.msgid.link/20260305121902.1892593-10-tejas.upadhyay@intel.com
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
This commit is contained in:
Tejas Upadhyay 2026-03-05 17:49:07 +05:30
parent 4f39a194d4
commit e8c3a913c8
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/xe/xe_device.c
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@ -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;