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drm/i915/gt: Invalidate TLB of the OA unit at TLB invalidations

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Ensure that the TLB of the OA unit is also invalidated
on gen12 HW, as just invalidating the TLB of an engine is not
enough.

Cc: stable@vger.kernel.org
Fixes: 7938d61591 ("drm/i915: Flush TLBs before releasing backing store")
Signed-off-by: Chris Wilson <chris.p.wilson@intel.com>
Cc: Fei Yang <fei.yang@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Acked-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/59724d9f5cf1e93b1620d01b8332ac991555283d.1658924372.git.mchehab@kernel.org
This commit is contained in:
Chris Wilson 2022-07-27 14:29:53 +02:00 • committed by Andi Shyti
parent 4d87d36247
commit dfc83de118
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/i915/gt/intel_gt.c
View file

@ -11,6 +11,7 @@
#include "pxp/intel_pxp.h"
#include "i915_drv.h"
#include "i915_perf_oa_regs.h"
#include "intel_context.h"
#include "intel_engine_pm.h"
#include "intel_engine_regs.h"
@ -969,6 +970,15 @@ void intel_gt_invalidate_tlbs(struct intel_gt *gt)
awake |= engine->mask;
}
/* Wa_2207587034:tgl,dg1,rkl,adl-s,adl-p */
if (awake &&
(IS_TIGERLAKE(i915) ||
IS_DG1(i915) ||
IS_ROCKETLAKE(i915) ||
IS_ALDERLAKE_S(i915) ||
IS_ALDERLAKE_P(i915)))
intel_uncore_write_fw(uncore, GEN12_OA_TLB_INV_CR, 1);
spin_unlock_irq(&uncore->lock);
for_each_engine_masked(engine, gt, awake, tmp) {