]> git.itanic.dy.fi Git - linux-stable/commit
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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 10 Apr 2024 14:38:22 +0000 (16:38 +0200)
commitcc24793fbb7ee06afcd57ad8be2c96f8f1e867f5
tree6cac027b2c8468da1b2b1757e64466c9c8b34041
parent253919f57ce175fb725a5db12bb8e66c2c4b49ba
drm/i915/gt: Disable HW load balancing for CCS

commit bc9a1ec01289e6e7259dc5030b413a9c6654a99a upstream.

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
(cherry picked from commit f5d2904cf814f20b79e3e4c1b24a4ccc2411b7e0)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/i915/gt/intel_gt_regs.h
drivers/gpu/drm/i915/gt/intel_workarounds.c