From mboxrd@z Thu Jan 1 00:00:00 1970 From: libin.yang@intel.com Subject: [PATCH 1/2] drm/i915/audio: extend get_saved_enc() to support more scenarios Date: Thu, 1 Dec 2016 13:17:18 +0800 Message-ID: <1480569439-54252-1-git-send-email-libin.yang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id BC8836E037 for ; Thu, 1 Dec 2016 05:23:12 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org, jani.nikula@linux.intel.com, ville.syrjala@linux.intel.com, daniel.vetter@intel.com, dhinakaran.pandiyan@intel.com, tiwai@suse.de Cc: Libin Yang List-Id: intel-gfx@lists.freedesktop.org RnJvbTogTGliaW4gWWFuZyA8bGliaW4ueWFuZ0BsaW51eC5pbnRlbC5jb20+CgpJbiBpbml0aWFs aXphdGlvbiwgYXVkaW8gZHJpdmVyIHdpbGwgY2FsbCBmdW5jdGlvbnMgZ2V0X2VsZCgpIGFuZCBl dGMuCkJ1dCBhdCB0aGF0IHRpbWUsIGF1ZGlvIGRyaXZlciBtYXkgbm90IGtub3cgd2hldGhlciBp dCBpcyBEUCBNU1Qgb3Igbm90LgpJbiB0aGUgb3JpZ2luYWwgZnVuY3Rpb24gZ2V0X3NhdmVkX2Vu YygpLCBpZiBpdCBpcyBEUCBNU1QsIGl0IHJlcXVpcmVzIHRvCnNldCB0aGUgcGlwZSB0byB0aGUg Y29ycmVjdCB2YWx1ZSwgb3RoZXJ3aXNlLCBwaXBlIHRvIGJlIC0xLgoKQWx0aG91Z2ggYXVkaW8g ZHJpdmVyIGNhbiBnZXQgdGhlIGtub3dsZWRnZSB3aGV0aGVyIGl0IGlzIGluIERQIE1TVCBtb2Rl Cm9yIG5vdCBieSByZWFkaW5nIHRoZSBjb2RlYyByZWdpc3Rlci4gSXQgd2lsbCBkcm9wIHBlcmZv cm1hbmNlIGVhY2ggdGltZQpiZWZvcmUgaXQgY2FsbHMgdGhlIGdldF9lbGQgYW5kIG90aGVyIHNp bWlsYXIgZnVuY3Rpb25zLiBBcyBnZnggZHJpdmVyIGNhbgplYXNpbHkga25vdyB3aGV0aGVyIGl0 IGlzIGluIERQIE1TVCBtb2RlIG9yIG5vdC4gTGV0J3MgZXh0ZW5kIHRoZQpnZXRfc2F2ZWRfZW5j KCkgZnVuY3Rpb24gdG8gaGFuZGxlIHRoZSBzaXR1YXRpb24gdGhhdCBhdWRpbyBkcml2ZXIKc3Rp bGwgc2VuZHMgdGhlIGRldmljZSBpZCBpbmZvIGV2ZW4gaXQgaXMgaW4gRFAgU1NUIG1vZGUgYW5k IHJldHVybgp0aGUgY29ycmVjdCBpbnRlbF9lbmNvZGVyIGluc3RlYWQgb2YgcGFuaWMuCgpTaWdu ZWQtb2ZmLWJ5OiBMaWJpbiBZYW5nIDxsaWJpbi55YW5nQGxpbnV4LmludGVsLmNvbT4KLS0tCiBk cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9hdWRpby5jIHwgMzIgKysrKysrKysrKysrKysrKysr KysrKysrKysrKy0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAyOCBpbnNlcnRpb25zKCspLCA0IGRlbGV0 aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2F1ZGlvLmMg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9hdWRpby5jCmluZGV4IDQ5ZjEwNTMuLmM4YTEz NDUgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2F1ZGlvLmMKKysrIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfYXVkaW8uYwpAQCAtNzM3LDI1ICs3MzcsNDkgQEAg c3RhdGljIGludCBpOTE1X2F1ZGlvX2NvbXBvbmVudF9nZXRfY2RjbGtfZnJlcShzdHJ1Y3QgZGV2 aWNlICprZGV2KQogCXJldHVybiBkZXZfcHJpdi0+Y2RjbGtfZnJlcTsKIH0KIAorLyoKKyAqIGdl dCB0aGUgaW50ZWxfZW5jb2RlciBhY2NvcmRpbmcgdG8gdGhlIHBhcmFtZXRlciBwb3J0IGFuZCBw aXBlCisgKiBpbnRlbF9lbmNvZGVyIGlzIHNhdmVkIGJ5IHRoZSBpbmRleCBvZiBwaXBlCisgKiBN U1QgJiAocGlwZSA+PSAwKTogcmV0dXJuIHRoZSBhdl9lbmNfbWFwW3BpcGVdLAorICogICB3aGVu IHBvcnQgaXMgbWF0Y2hlZAorICogTVNUICYgKHBpcGUgPCAwKTogdGhpcyBpcyBpbnZhbGlkCisg KiBOb24tTVNUICYgKHBpcGUgPj0gMCk6IG9ubHkgcGlwZSA9IDAgKHRoZSBmaXJzdCBkZXZpY2Ug ZW50cnkpCisgKiAgIHdpbGwgZ2V0IHRoZSByaWdodCBpbnRlbF9lbmNvZGVyIHdpdGggcG9ydCBt YXRjaGVkCisgKiBOb24tTVNUICYgKHBpcGUgPCAwKTogZ2V0IHRoZSByaWdodCBpbnRlbF9lbmNv ZGVyIHdpdGggcG9ydCBtYXRjaGVkCisgKi8KIHN0YXRpYyBzdHJ1Y3QgaW50ZWxfZW5jb2RlciAq Z2V0X3NhdmVkX2VuYyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCiAJCQkJCSAg ICAgICBpbnQgcG9ydCwgaW50IHBpcGUpCiB7CisJc3RydWN0IGludGVsX2VuY29kZXIgKmVuY29k ZXI7CiAKIAlpZiAoV0FSTl9PTihwaXBlID49IEk5MTVfTUFYX1BJUEVTKSkKIAkJcmV0dXJuIE5V TEw7CiAKIAkvKiBNU1QgKi8KLQlpZiAocGlwZSA+PSAwKQotCQlyZXR1cm4gZGV2X3ByaXYtPmF2 X2VuY19tYXBbcGlwZV07CisJaWYgKHBpcGUgPj0gMCkgeworCQllbmNvZGVyID0gZGV2X3ByaXYt PmF2X2VuY19tYXBbcGlwZV07CisJCS8qCisJCSAqIHdoZW4gYm9vdHVwLCBhdWRpbyBkcml2ZXIg bWF5IG5vdCBrbm93IGl0IGlzCisJCSAqIE1TVCBvciBub3QuIFNvIGl0IHdpbGwgcG9sbCBhbGwg dGhlIHBvcnQgJiBwaXBlCisJCSAqIGNvbWJpbmF0aW9ucworCQkgKi8KKwkJaWYgKGVuY29kZXIg IT0gTlVMTCAmJiBlbmNvZGVyLT5wb3J0ID09IHBvcnQgJiYKKwkJICAgIGVuY29kZXItPnR5cGUg PT0gSU5URUxfT1VUUFVUX0RQX01TVCkKKwkJCXJldHVybiBlbmNvZGVyOworCX0KIAogCS8qIE5v bi1NU1QgKi8KLQlmb3JfZWFjaF9waXBlKGRldl9wcml2LCBwaXBlKSB7Ci0JCXN0cnVjdCBpbnRl bF9lbmNvZGVyICplbmNvZGVyOworCWlmIChwaXBlID4gMCkKKwkJcmV0dXJuIE5VTEw7CiAKKwlm b3JfZWFjaF9waXBlKGRldl9wcml2LCBwaXBlKSB7CiAJCWVuY29kZXIgPSBkZXZfcHJpdi0+YXZf ZW5jX21hcFtwaXBlXTsKIAkJaWYgKGVuY29kZXIgPT0gTlVMTCkKIAkJCWNvbnRpbnVlOwogCisJ CWlmIChlbmNvZGVyLT50eXBlID09IElOVEVMX09VVFBVVF9EUF9NU1QpCisJCQljb250aW51ZTsK KwogCQlpZiAocG9ydCA9PSBlbmNvZGVyLT5wb3J0KQogCQkJcmV0dXJuIGVuY29kZXI7CiAJfQot LSAKMi43LjQKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo dHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=