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drm/xe: Fix bug in idledly unit conversion

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We only need to convert to picosecond units before writing to RING_IDLEDLY.

Fixes: 7c53ff050b ("drm/xe: Apply Wa_16023105232")
Cc: Tangudu Tilak Tirumalesh <tilak.tirumalesh.tangudu@intel.com>
Acked-by: Tangudu Tilak Tirumalesh <tilak.tirumalesh.tangudu@intel.com>
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Link: https://patch.msgid.link/20260401012710.4165547-1-vinay.belgaumkar@intel.com
This commit is contained in:
Vinay Belgaumkar 2026-03-31 18:27:10 -07:00
parent f9a21696e3
commit 13743bd628
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/xe/xe_hw_engine.c
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@ -597,9 +597,8 @@ static void adjust_idledly(struct xe_hw_engine *hwe)
maxcnt *= maxcnt_units_ns;
if (xe_gt_WARN_ON(gt, idledly >= maxcnt || inhibit_switch)) {
idledly = DIV_ROUND_CLOSEST(((maxcnt - 1) * maxcnt_units_ns),
idledly = DIV_ROUND_CLOSEST(((maxcnt - 1) * 1000),
idledly_units_ps);
idledly = DIV_ROUND_CLOSEST(idledly, 1000);
xe_mmio_write32(&gt->mmio, RING_IDLEDLY(hwe->mmio_base), idledly);
}
}