drm/i915/gt: Disable HW load balancing for CCS
authorAndi Shyti <andi.shyti@linux.intel.com>
Thu, 28 Mar 2024 07:34:03 +0000 (08:34 +0100)
committerAndi Shyti <andi.shyti@linux.intel.com>
Sat, 30 Mar 2024 00:17:35 +0000 (01:17 +0100)
commitf5d2904cf814f20b79e3e4c1b24a4ccc2411b7e0
treebf09db8f751363d86b36e6331caaee19a92e7214
parentfc58c693bc1341e6cd926e8bf1b57f0d241ae580
drm/i915/gt: Disable HW load balancing for CCS

The hardware should not dynamically balance the load between CCS
engines. Wa_14019159160 recommends disabling it across all
platforms.

Fixes: d2eae8e98d59 ("drm/i915/dg2: Drop force_probe requirement")
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Chris Wilson <chris.p.wilson@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: <stable@vger.kernel.org> # v6.2+
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Michal Mrozek <michal.mrozek@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240328073409.674098-2-andi.shyti@linux.intel.com
drivers/gpu/drm/i915/gt/intel_gt_regs.h
drivers/gpu/drm/i915/gt/intel_workarounds.c