From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Deucher Subject: [PATCH 08/12] drm/amd: shutdown unused ACP SRAM memory banks Date: Thu, 6 Aug 2015 10:25:08 -0400 Message-ID: <1438871112-25946-8-git-send-email-alexander.deucher@amd.com> References: <1438871112-25946-1-git-send-email-alexander.deucher@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-yk0-f175.google.com (mail-yk0-f175.google.com [209.85.160.175]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1AE326EBD9 for ; Thu, 6 Aug 2015 07:25:27 -0700 (PDT) Received: by ykax123 with SMTP id x123so63810364yka.1 for ; Thu, 06 Aug 2015 07:25:26 -0700 (PDT) In-Reply-To: <1438871112-25946-1-git-send-email-alexander.deucher@amd.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: broonie@kernel.org, airlied@gmail.com, dri-devel@lists.freedesktop.org, alsa-devel@alsa-project.org Cc: Maruthi Srinivas Bayyavarapu , lgirdwood@gmail.com, perex@perex.cz List-Id: dri-devel@lists.freedesktop.org RnJvbTogTWFydXRoaSBTcmluaXZhcyBCYXl5YXZhcmFwdSA8TWFydXRoaS5CYXl5YXZhcmFwdUBh bWQuY29tPgoKQUNQIGludGVybmFsIG1lbW9yeSBiYW5rcyAwIHRvIDkgYXJlIHVzZWQgZm9yIGF1 ZGlvIHVzZWNhc2VzCihwbGF5YmFjay9jYXB0dXJlKS4gUmVtYWluaW5nIGJhbmtzIDEwIHRvIDQ3 IGFyZSBzaHV0ZG93biB0byBzYXZlIHBvd2VyLgoKU2lnbmVkLW9mZi1ieTogTWFydXRoaSBCYXl5 YXZhcmFwdSA8bWFydXRoaS5iYXl5YXZhcmFwdUBhbWQuY29tPgpSZXZpZXdlZC1ieTogTXVyYWxp IEtyaXNobmEgVmVtdXJpIDxtdXJhbGkta3Jpc2huYS52ZW11cmlAYW1kLmNvbT4KQWNrZWQtYnk6 IEFsZXggRGV1Y2hlciA8YWxleGFuZGVyLmRldWNoZXJAYW1kLmNvbT4KLS0tCiBkcml2ZXJzL2dw dS9kcm0vYW1kL2FjcC9hY3BfaHcuYyB8IDQ3ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysKIDEgZmlsZSBjaGFuZ2VkLCA0NyBpbnNlcnRpb25zKCspCgpkaWZmIC0tZ2l0 IGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hY3AvYWNwX2h3LmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1k L2FjcC9hY3BfaHcuYwppbmRleCBiZTM2NGFiLi43ZWUyYWE2IDEwMDY0NAotLS0gYS9kcml2ZXJz L2dwdS9kcm0vYW1kL2FjcC9hY3BfaHcuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FjcC9h Y3BfaHcuYwpAQCAtNzczLDYgKzc3Myw1MiBAQCBzdGF0aWMgdm9pZCBhY3BfcmVzdW1lX3RpbGUo c3RydWN0IGFtZF9hY3BfcHJpdmF0ZSAqYWNwX3BydiwgaW50IHRpbGUpCiAJfQogfQogCisvKiBT aHV0ZG93biB1bnVzZWQgU1JBTSBtZW1vcnkgYmFua3MgaW4gQUNQIElQICovCitzdGF0aWMgdm9p ZCBhY3BfdHVybm9mZl9zcmFtX2JhbmtzKHN0cnVjdCBhbWRfYWNwX3ByaXZhdGUgKmFjcF9wcnYp Cit7CisJLyogQmFuayAwIDogdXNlZCBmb3IgRE1BIGRlc2NyaXB0b3JzCisJICogQmFuayAxIHRv IDQgOiB1c2VkIGZvciBwbGF5YmFjaworCSAqIEJhbmsgNSB0byA4IDogdXNlZCBmb3IgY2FwdHVy ZQorCSAqIEVhY2ggYmFuayBpcyA4a0IgYW5kIG1heCBzaXplIGFsbG9jYXRlZCBmb3IgcGxheWJh Y2svIGNhcHR1cmUgaXMKKwkgKiAxNmtCKG1heCBwZXJpb2Qgc2l6ZSkgKiAyKG1heCBwZXJpb2Rz KSByZXNlcnZlZCBmb3IgcGxheWJhY2svY2FwdHVyZQorCSAqIGluIEFMU0EgZHJpdmVyCisJICog VHVybiBvZmYgYWxsIFNSQU0gYmFua3MgZXhjZXB0IGFib3ZlIGJhbmtzIGR1cmluZyBwbGF5YmFj ay9jYXB0dXJlCisJICovCisJdTMyIHZhbCwgYmFuazsKKworCWZvciAoYmFuayA9IDk7IGJhbmsg PCAzMjsgYmFuaysrKSB7CisJCXZhbCA9IGNnc19yZWFkX3JlZ2lzdGVyKGFjcF9wcnYtPmNnc19k ZXZpY2UsCisJCQkJCW1tQUNQX01FTV9TSFVUX0RPV05fUkVRX0xPKTsKKwkJaWYgKCEodmFsICYg KDEgPDwgYmFuaykpKSB7CisJCQl2YWwgfD0gMSA8PCBiYW5rOworCQkJY2dzX3dyaXRlX3JlZ2lz dGVyKGFjcF9wcnYtPmNnc19kZXZpY2UsCisJCQkJCW1tQUNQX01FTV9TSFVUX0RPV05fUkVRX0xP LCB2YWwpOworCQkJLyogSWYgQUNQX01FTV9TSFVUX0RPV05fU1RTX0xPIGlzIDB4RkZGRkZGRkYs IHRoZW4KKwkJCSAqIHNodXRkb3duIHNlcXVlbmNlIGlzIGNvbXBsZXRlLiAqLworCQkJZG8gewor CQkJCXZhbCA9IGNnc19yZWFkX3JlZ2lzdGVyKGFjcF9wcnYtPmNnc19kZXZpY2UsCisJCQkJCQlt bUFDUF9NRU1fU0hVVF9ET1dOX1NUU19MTyk7CisJCQl9IHdoaWxlICh2YWwgIT0gMHhGRkZGRkZG Rik7CisJCX0KKwl9CisKKwlmb3IgKGJhbmsgPSAzMjsgYmFuayA8IDQ4OyBiYW5rKyspIHsKKwkJ dmFsID0gY2dzX3JlYWRfcmVnaXN0ZXIoYWNwX3Bydi0+Y2dzX2RldmljZSwKKwkJCQkJbW1BQ1Bf TUVNX1NIVVRfRE9XTl9SRVFfSEkpOworCQlpZiAoISh2YWwgJiAoMSA8PCAoYmFuayAtIDMyKSkp KSB7CisJCQl2YWwgfD0gMSA8PCAoYmFuayAtIDMyKTsKKwkJCWNnc193cml0ZV9yZWdpc3Rlcihh Y3BfcHJ2LT5jZ3NfZGV2aWNlLAorCQkJCQltbUFDUF9NRU1fU0hVVF9ET1dOX1JFUV9ISSwgdmFs KTsKKwkJCS8qIElmIEFDUF9NRU1fU0hVVF9ET1dOX1NUU19ISSBpcyAweDAwMDBGRkZGLCB0aGVu CisJCQkgKiBzaHV0ZG93biBzZXF1ZW5jZSBpcyBjb21wbGV0ZS4gKi8KKwkJCWRvIHsKKwkJCQl2 YWwgPSBjZ3NfcmVhZF9yZWdpc3RlcihhY3BfcHJ2LT5jZ3NfZGV2aWNlLAorCQkJCQkJbW1BQ1Bf TUVNX1NIVVRfRE9XTl9TVFNfSEkpOworCQkJfSB3aGlsZSAodmFsICE9IDB4MDAwMEZGRkYpOwor CQl9CisJfQorfQorCiAvKiBJbml0aWFsaXplIGFuZCBicmluZyBBQ1AgaGFyZHdhcmUgdG8gZGVm YXVsdCBzdGF0ZS4gKi8KIHN0YXRpYyB2b2lkIGFjcF9pbml0KHN0cnVjdCBhbWRfYWNwX3ByaXZh dGUgKmFjcF9wcnYpCiB7CkBAIC04MzMsNiArODc5LDcgQEAgc3RhdGljIHZvaWQgYWNwX2luaXQo c3RydWN0IGFtZF9hY3BfcHJpdmF0ZSAqYWNwX3BydikKIAljZ3Nfd3JpdGVfcmVnaXN0ZXIoYWNw X3Bydi0+Y2dzX2RldmljZSwJbW1BQ1BfRVhURVJOQUxfSU5UUl9DTlRMLAogCQkJICAgQUNQX0VY VEVSTkFMX0lOVFJfQ05UTF9fRE1BSU9DTWFza19NQVNLKTsKIAorCWFjcF90dXJub2ZmX3NyYW1f YmFua3MoYWNwX3Bydik7CiAJcHJfaW5mbygiQUNQOiBJbml0aWFsaXplZC5cbiIpOwogCiB9Ci0t IAoxLjguMy4xCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK aHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=