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drm/xe/xe3p: Stop programming RCU_MODE's fixed slice mode setting

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Since the hardware load balancing is no longer supported, the
programming in RCU_MODE is no longer necessary.

Bspec: 60382
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Link: https://lore.kernel.org/r/20251016-xe3p-v3-7-3dd173a3097a@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Matt Roper
2025-10-16 19:26:26 -07:00
committed by Lucas De Marchi
parent 1553d6c588
commit f4e9acaa5d
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/xe/xe_hw_engine.c
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@@ -350,6 +350,13 @@ static bool xe_hw_engine_match_fixed_cslice_mode(const struct xe_device *xe,
const struct xe_gt *gt,
const struct xe_hw_engine *hwe)
{
/*
* Xe3p no longer supports load balance mode, so "fixed cslice" mode
* is automatic and no RCU_MODE programming is required.
*/
if (GRAPHICS_VER(gt_to_xe(gt)) >= 35)
return false;
return xe_gt_ccs_mode_enabled(gt) &&
xe_rtp_match_first_render_or_compute(xe, gt, hwe);
}