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spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 682156E825; Fri, 8 Jan 2021 15:28:51 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 19C7A6E825 for ; Fri, 8 Jan 2021 15:28:50 +0000 (UTC) IronPort-SDR: IEQjF5W1PhuJiNrYAKwkfj0Mj21igkRAXPW6Q+S9WySnSvFMPL+52kb9rlPlwL7AO2igSUqNQb kNoWqLqV4eAQ== X-IronPort-AV: E=McAfee;i="6000,8403,9857"; a="177708064" X-IronPort-AV: E=Sophos;i="5.79,331,1602572400"; d="scan'208";a="177708064" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2021 07:28:49 -0800 IronPort-SDR: 7Qrub/0/lotRIytBUK740ZAyP/alAL4cAmCBVBlvkEDGdLuM6VrUJS2hLlhDeaow+F4hcwwT5r xfv0GkgRs4PQ== X-IronPort-AV: E=Sophos;i="5.79,331,1602572400"; d="scan'208";a="380153181" Received: from rgwhiteh-mobl.ger.corp.intel.com (HELO localhost) ([10.213.205.160]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2021 07:28:46 -0800 From: Jani Nikula To: intel-gfx@lists.freedesktop.org Date: Fri, 8 Jan 2021 17:28:41 +0200 Message-Id: <20210108152841.6944-1-jani.nikula@intel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915/backlight: fix CPU mode backlight takeover on LPT X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jani.nikula@intel.com, stable@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" VGhlIHBjaF9nZXRfYmFja2xpZ2h0KCksIGxwdF9nZXRfYmFja2xpZ2h0KCksIGFuZCBscHRfc2V0 X2JhY2tsaWdodCgpCmZ1bmN0aW9ucyBvcGVyYXRlIGRpcmVjdGx5IG9uIHRoZSBoYXJkd2FyZSBy ZWdpc3RlcnMuIElmIGludmVydGluZyB0aGUKdmFsdWUgaXMgbmVlZGVkLCB1c2luZyBpbnRlbF9w YW5lbF9jb21wdXRlX2JyaWdodG5lc3MoKSwgaXQgc2hvdWxkIG9ubHkKYmUgZG9uZSBpbiB0aGUg aW50ZXJmYWNlIGJldHdlZW4gaGFyZHdhcmUgcmVnaXN0ZXJzIGFuZApwYW5lbC0+YmFja2xpZ2h0 LmxldmVsLgoKVGhlIENQVSBtb2RlIHRha2VvdmVyIGNvZGUgYWRkZWQgaW4gY29tbWl0IDViMWVj OWFjN2FiNQooImRybS9pOTE1L2JhY2tsaWdodDogRml4IGJhY2tsaWdodCB0YWtlb3ZlciBvbiBM UFQsIHYzLiIpIHJlYWRzIHRoZQpoYXJkd2FyZSByZWdpc3RlciBhbmQgY29udmVydHMgdG8gcGFu ZWwtPmJhY2tsaWdodC5sZXZlbCBjb3JyZWN0bHksCmhvd2V2ZXIgdGhlIHZhbHVlIHdyaXR0ZW4g YmFjayBzaG91bGQgcmVtYWluIGluIHRoZSBoYXJkd2FyZSByZWdpc3RlcgoiZG9tYWluIi4KClRo aXMgaGFzbid0IGJlZW4gYW4gaXNzdWUsIGJlY2F1c2UgR000NSBtYWNoaW5lcyBhcmUgdGhlIG9u bHkga25vd24KdXNlcnMgb2YgaTkxNS5pbnZlcnRfYnJpZ2h0bmVzcyBhbmQgdGhlIGJyaWdodG5l c3MgaW52ZXJ0IHF1aXJrLCBhbmQKd2l0aG91dCBvbmUgb2YgdGhlbSBubyBjb252ZXJzaW9uIGlz IG1hZGUuIEl0J3MgbGlrZWx5IG5vYm9keSdzIGV2ZXIgaGl0CnRoZSBwcm9ibGVtLgoKRml4ZXM6 IDViMWVjOWFjN2FiNSAoImRybS9pOTE1L2JhY2tsaWdodDogRml4IGJhY2tsaWdodCB0YWtlb3Zl ciBvbiBMUFQsIHYzLiIpCkNjOiBNYWFydGVuIExhbmtob3JzdCA8bWFhcnRlbi5sYW5raG9yc3RA bGludXguaW50ZWwuY29tPgpDYzogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4 LmludGVsLmNvbT4KQ2M6IEx5dWRlIFBhdWwgPGx5dWRlQHJlZGhhdC5jb20+CkNjOiA8c3RhYmxl QHZnZXIua2VybmVsLm9yZz4gIyB2NS4xKwpTaWduZWQtb2ZmLWJ5OiBKYW5pIE5pa3VsYSA8amFu aS5uaWt1bGFAaW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50 ZWxfcGFuZWwuYyB8IDkgKysrKystLS0tCiAxIGZpbGUgY2hhbmdlZCwgNSBpbnNlcnRpb25zKCsp LCA0IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3Bs YXkvaW50ZWxfcGFuZWwuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfcGFu ZWwuYwppbmRleCA2N2Y4MWFlOTk1YzQuLjdhNDIzOWQxYzI0MSAxMDA2NDQKLS0tIGEvZHJpdmVy cy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9wYW5lbC5jCisrKyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2Rpc3BsYXkvaW50ZWxfcGFuZWwuYwpAQCAtMTY0OSwxNiArMTY0OSwxMyBAQCBzdGF0 aWMgaW50IGxwdF9zZXR1cF9iYWNrbGlnaHQoc3RydWN0IGludGVsX2Nvbm5lY3RvciAqY29ubmVj dG9yLCBlbnVtIHBpcGUgdW51cwogCQl2YWwgPSBwY2hfZ2V0X2JhY2tsaWdodChjb25uZWN0b3Ip OwogCWVsc2UKIAkJdmFsID0gbHB0X2dldF9iYWNrbGlnaHQoY29ubmVjdG9yKTsKLQl2YWwgPSBp bnRlbF9wYW5lbF9jb21wdXRlX2JyaWdodG5lc3MoY29ubmVjdG9yLCB2YWwpOwotCXBhbmVsLT5i YWNrbGlnaHQubGV2ZWwgPSBjbGFtcCh2YWwsIHBhbmVsLT5iYWNrbGlnaHQubWluLAotCQkJCSAg ICAgICBwYW5lbC0+YmFja2xpZ2h0Lm1heCk7CiAKIAlpZiAoY3B1X21vZGUpIHsKIAkJZHJtX2Ri Z19rbXMoJmRldl9wcml2LT5kcm0sCiAJCQkgICAgIkNQVSBiYWNrbGlnaHQgcmVnaXN0ZXIgd2Fz IGVuYWJsZWQsIHN3aXRjaGluZyB0byBQQ0ggb3ZlcnJpZGVcbiIpOwogCiAJCS8qIFdyaXRlIGNv bnZlcnRlZCBDUFUgUFdNIHZhbHVlIHRvIFBDSCBvdmVycmlkZSByZWdpc3RlciAqLwotCQlscHRf c2V0X2JhY2tsaWdodChjb25uZWN0b3ItPmJhc2Uuc3RhdGUsIHBhbmVsLT5iYWNrbGlnaHQubGV2 ZWwpOworCQlscHRfc2V0X2JhY2tsaWdodChjb25uZWN0b3ItPmJhc2Uuc3RhdGUsIHZhbCk7CiAJ CWludGVsX2RlX3dyaXRlKGRldl9wcml2LCBCTENfUFdNX1BDSF9DVEwxLAogCQkJICAgICAgIHBj aF9jdGwxIHwgQkxNX1BDSF9PVkVSUklERV9FTkFCTEUpOwogCkBAIC0xNjY2LDYgKzE2NjMsMTAg QEAgc3RhdGljIGludCBscHRfc2V0dXBfYmFja2xpZ2h0KHN0cnVjdCBpbnRlbF9jb25uZWN0b3Ig KmNvbm5lY3RvciwgZW51bSBwaXBlIHVudXMKIAkJCSAgICAgICBjcHVfY3RsMiAmIH5CTE1fUFdN X0VOQUJMRSk7CiAJfQogCisJdmFsID0gaW50ZWxfcGFuZWxfY29tcHV0ZV9icmlnaHRuZXNzKGNv bm5lY3RvciwgdmFsKTsKKwlwYW5lbC0+YmFja2xpZ2h0LmxldmVsID0gY2xhbXAodmFsLCBwYW5l bC0+YmFja2xpZ2h0Lm1pbiwKKwkJCQkgICAgICAgcGFuZWwtPmJhY2tsaWdodC5tYXgpOworCiAJ cmV0dXJuIDA7CiB9CiAKLS0gCjIuMjAuMQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMu ZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vaW50ZWwtZ2Z4Cg==