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drm/i915: Revert "drm/i915/tgl: Wa_1607138340"

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This reverts commit 08fff7aedd.

For some yet unexplained reason not having this improves stability of some
media workloads.

Promise is that the media hang will be root caused properly and in the
meantime absence of this workaround is unlikely to cause problems.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Sudeep Dutt <sudeep.dutt@intel.com>
Cc: Francesco Balestrieri <francesco.balestrieri@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tony Ye <tony.ye@intel.com>
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200108161954.29739-1-tvrtko.ursulin@linux.intel.com
This commit is contained in:
Tvrtko Ursulin 2020-01-08 16:19:54 +00:00
parent a5972e9315
commit 921f0c47f2
1 changed files with 0 additions and 4 deletions
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4
drivers/gpu/drm/i915/gt/intel_lrc.c
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@ -1351,10 +1351,6 @@ static u64 execlists_update_context(struct i915_request *rq)
*/
wmb();
/* Wa_1607138340:tgl */
if (IS_TGL_REVID(rq->i915, TGL_REVID_A0, TGL_REVID_A0))
desc |= CTX_DESC_FORCE_RESTORE;
ce->lrc_desc &= ~CTX_DESC_FORCE_RESTORE;
return desc;
}