From: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> Avoid possible cs hang with semaphores by disabling lite restore. Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20191015154449.10338-11-mika.kuoppala@xxxxxxxxxxxxxxx --- drivers/gpu/drm/i915/gt/intel_lrc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 96e28a07bc48..e55124e49f29 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; } -- 2.23.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
