diff options
| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2019-10-15 18:44:49 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-15 18:25:52 +0100 |
| commit | 08fff7aeddc9dd72161b4c8fc27fbab12b4b9352 (patch) | |
| tree | 640822050ba4cdfd49a3c38c4e730c84d4fce3fe /drivers | |
| parent | 99db8c59e056e1e1a97845dbd38a3a6f47be6b7d (diff) | |
| download | linux-08fff7aeddc9dd72161b4c8fc27fbab12b4b9352.tar.bz2 | |
drm/i915/tgl: Wa_1607138340
Avoid possible cs hang with semaphores by disabling
lite restore.
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191015154449.10338-11-mika.kuoppala@linux.intel.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_lrc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index d64b4d868b75..44f213fd7604 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -1048,6 +1048,10 @@ static u64 execlists_update_context(const struct i915_request *rq) desc = ce->lrc_desc; ce->lrc_desc &= ~CTX_DESC_FORCE_RESTORE; + /* Wa_1607138340:tgl */ + if (IS_TGL_REVID(rq->i915, TGL_REVID_A0, TGL_REVID_A0)) + desc |= CTX_DESC_FORCE_RESTORE; + return desc; } |