From mboxrd@z Thu Jan 1 00:00:00 1970 From: Trigger Huang Subject: [PATCH] drm/amdgpu: Hardcode reg access using L1 security Date: Mon, 3 Jun 2019 19:43:03 +0800 Message-ID: <1559562183-29241-1-git-send-email-Trigger.Huang@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: Trigger.Huang-5C7GfCeVMHo@public.gmane.org VW5kZXIgVmVnYTEwIFNSLUlPViBWRiwgTDEgcmVnaXN0ZXIgYWNjZXNzIG1vZGUgc2hvdWxkIGJl IGVuYWJsZWQgYnkKZGVmYXVsdCBhcyB0aGUgbm9uLXNlY3VyaXR5IFZGIHdpbGwgbm8gbG9uZ2Vy IGJlIHN1cHBvcnRlZC4KClNpZ25lZC1vZmYtYnk6IFRyaWdnZXIgSHVhbmcgPFRyaWdnZXIuSHVh bmdAYW1kLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9teGdwdV9haS5jIHwg MTUgKysrKysrLS0tLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgNiBpbnNlcnRpb25zKCspLCA5IGRl bGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L214Z3B1 X2FpLmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9teGdwdV9haS5jCmluZGV4IDMxMDMw ZjguLjIzNTU0OGMgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L214Z3B1 X2FpLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvbXhncHVfYWkuYwpAQCAtNDUx LDE5ICs0NTEsMTYgQEAgdm9pZCB4Z3B1X2FpX21haWxib3hfcHV0X2lycShzdHJ1Y3QgYW1kZ3B1 X2RldmljZSAqYWRldikKIAogc3RhdGljIHZvaWQgeGdwdV9haV9pbml0X3JlZ19hY2Nlc3NfbW9k ZShzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldikKIHsKLQl1aW50MzJfdCBybGNfZndfdmVyID0g UlJFRzMyX1NPQzE1KEdDLCAwLCBtbVJMQ19HUE1fR0VORVJBTF82KTsKLQl1aW50MzJfdCBzb3Nf ZndfdmVyID0gUlJFRzMyX1NPQzE1KE1QMCwgMCwgbW1NUDBfU01OX0MyUE1TR181OCk7Ci0KIAlh ZGV2LT52aXJ0LnJlZ19hY2Nlc3NfbW9kZSA9IEFNREdQVV9WSVJUX1JFR19BQ0NFU1NfTEVHQUNZ OwogCi0JaWYgKHJsY19md192ZXIgPj0gMHg1ZCkKLQkJYWRldi0+dmlydC5yZWdfYWNjZXNzX21v ZGUgfD0gQU1ER1BVX1ZJUlRfUkVHX0FDQ0VTU19STEM7CisJLyogRW5hYmxlIEwxIHNlY3VyaXR5 IHJlZyBhY2Nlc3MgbW9kZSBieSBkZWZhdWwsICBhcyBub24tc2VjdXJpdHkgVkYKKwkgKiB3aWxs IG5vIGxvbmdlciBiZSBzdXBwb3J0ZWQuCisJICovCisJYWRldi0+dmlydC5yZWdfYWNjZXNzX21v ZGUgfD0gQU1ER1BVX1ZJUlRfUkVHX0FDQ0VTU19STEM7CiAKLQlpZiAoc29zX2Z3X3ZlciA+PSAw eDgwNDU1KQotCQlhZGV2LT52aXJ0LnJlZ19hY2Nlc3NfbW9kZSB8PSBBTURHUFVfVklSVF9SRUdf QUNDRVNTX1BTUF9QUkdfSUg7CisJYWRldi0+dmlydC5yZWdfYWNjZXNzX21vZGUgfD0gQU1ER1BV X1ZJUlRfUkVHX0FDQ0VTU19QU1BfUFJHX0lIOwogCi0JaWYgKHNvc19md192ZXIgPj0gMHg4MDQ1 YikKLQkJYWRldi0+dmlydC5yZWdfYWNjZXNzX21vZGUgfD0gQU1ER1BVX1ZJUlRfUkVHX1NLSVBf U0VFVElORzsKKwlhZGV2LT52aXJ0LnJlZ19hY2Nlc3NfbW9kZSB8PSBBTURHUFVfVklSVF9SRUdf U0tJUF9TRUVUSU5HOwogfQogCiBjb25zdCBzdHJ1Y3QgYW1kZ3B1X3ZpcnRfb3BzIHhncHVfYWlf dmlydF9vcHMgPSB7Ci0tIAoyLjcuNAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9h bWQtZ2Z4