From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Deucher Subject: [PATCH 7/8] drm/amdgpu: reserve vram for memory training Date: Tue, 8 Oct 2019 14:29:33 -0500 Message-ID: <20191008192934.5481-8-alexander.deucher@amd.com> References: <20191008192934.5481-1-alexander.deucher@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20191008192934.5481-1-alexander.deucher-5C7GfCeVMHo@public.gmane.org> 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: Alex Deucher , "Tianci.Yin" RnJvbTogIlRpYW5jaS5ZaW4iIDx0aWFuY2kueWluQGFtZC5jb20+CgptZW1vcnkgdHJhaW5pbmcg dXNpbmcgc3BlY2lmaWMgZml4ZWQgdnJhbSBzZWdtZW50LCByZXNlcnZlIHRoZXNlCnNlZ21lbnRz IGJlZm9yZSBhbnlvbmUgbWF5IGFsbG9jYXRlIGl0LgoKQ2hhbmdlLUlkOiBJMTQzNjc1NTgxM2E1 NjU2MDhhMjg1N2E2ODNmNTM1Mzc3NjIwYTYzNwpSZXZpZXdlZC1ieTogQWxleCBEZXVjaGVyIDxh bGV4YW5kZXIuZGV1Y2hlckBhbWQuY29tPgpTaWduZWQtb2ZmLWJ5OiBUaWFuY2kuWWluIDx0aWFu Y2kueWluQGFtZC5jb20+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3R0 bS5jIHwgOTYgKysrKysrKysrKysrKysrKysrKysrKysrKwogMSBmaWxlIGNoYW5nZWQsIDk2IGlu c2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRn cHVfdHRtLmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdHRtLmMKaW5kZXgg NzRhOWJkOTRmMTBjLi4wODE5NzIxYWYxNmUgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9h bWQvYW1kZ3B1L2FtZGdwdV90dG0uYworKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9h bWRncHVfdHRtLmMKQEAgLTE2NjcsNiArMTY2Nyw5MyBAQCBzdGF0aWMgaW50IGFtZGdwdV90dG1f ZndfcmVzZXJ2ZV92cmFtX2luaXQoc3RydWN0IGFtZGdwdV9kZXZpY2UgKmFkZXYpCiAJCQkJCSAg JmFkZXYtPmZ3X3ZyYW1fdXNhZ2UudmEpOwogfQogCisvKgorICogTWVtb3kgdHJhaW5pbmcgcmVz ZXJ2YXRpb24gZnVuY3Rpb25zCisgKi8KKy8qKgorICogYW1kZ3B1X3R0bV90cmFpbmluZ19yZXNl cnZlX3ZyYW1fZmluaSAtIGZyZWUgbWVtb3J5IHRyYWluaW5nIHJlc2VydmVkIHZyYW0KKyAqCisg KiBAYWRldjogYW1kZ3B1X2RldmljZSBwb2ludGVyCisgKgorICogZnJlZSBtZW1vcnkgdHJhaW5p bmcgcmVzZXJ2ZWQgdnJhbSBpZiBpdCBoYXMgYmVlbiByZXNlcnZlZC4KKyAqLworc3RhdGljIGlu dCBhbWRncHVfdHRtX3RyYWluaW5nX3Jlc2VydmVfdnJhbV9maW5pKHN0cnVjdCBhbWRncHVfZGV2 aWNlICphZGV2KQoreworCWludCByZXQgPSAwOworCXN0cnVjdCBwc3BfbWVtb3J5X3RyYWluaW5n X2NvbnRleHQgKmN0eCA9ICZhZGV2LT5wc3AubWVtX3RyYWluX2N0eDsKKworCWN0eC0+aW5pdCA9 IFBTUF9NRU1fVFJBSU5fTk9UX1NVUFBPUlQ7CisJaWYoY3R4LT5jMnBfYm8pIHsKKwkJYW1kZ3B1 X2JvX2ZyZWVfa2VybmVsKCZjdHgtPmMycF9ibywgTlVMTCwgTlVMTCk7CisJCWN0eC0+YzJwX2Jv ID0gTlVMTDsKKwl9CisJaWYoY3R4LT5wMmNfYm8pIHsKKwkJYW1kZ3B1X2JvX2ZyZWVfa2VybmVs KCZjdHgtPnAyY19ibywgTlVMTCwgTlVMTCk7CisJCWN0eC0+cDJjX2JvID0gTlVMTDsKKwl9CisK KwlyZXR1cm4gcmV0OworfQorCisvKioKKyAqIGFtZGdwdV90dG1fdHJhaW5pbmdfcmVzZXJ2ZV92 cmFtX2luaXQgLSBjcmVhdGUgYm8gdnJhbSByZXNlcnZhdGlvbiBmcm9tIG1lbW9yeSB0cmFpbmlu ZworICoKKyAqIEBhZGV2OiBhbWRncHVfZGV2aWNlIHBvaW50ZXIKKyAqCisgKiBjcmVhdGUgYm8g dnJhbSByZXNlcnZhdGlvbiBmcm9tIG1lbW9yeSB0cmFpbmluZy4KKyAqLworc3RhdGljIGludCBh bWRncHVfdHRtX3RyYWluaW5nX3Jlc2VydmVfdnJhbV9pbml0KHN0cnVjdCBhbWRncHVfZGV2aWNl ICphZGV2KQoreworCWludCByZXQgPSAwOworCXN0cnVjdCBwc3BfbWVtb3J5X3RyYWluaW5nX2Nv bnRleHQgKmN0eCA9ICZhZGV2LT5wc3AubWVtX3RyYWluX2N0eDsKKworCW1lbXNldChjdHgsIDAs IHNpemVvZigqY3R4KSk7CisJaWYoIWFkZXYtPmZ3X3ZyYW1fdXNhZ2UubWVtX3RyYWluX3N1cHBv cnQpIHsKKwkJRFJNX0RFQlVHKCJtZW1vcnkgdHJhaW5pbmcgZG9lcyBub3Qgc3VwcG9ydCFcbiIp OworCQlyZXR1cm4gMDsKKwl9CisKKwljdHgtPmMycF90cmFpbl9kYXRhX29mZnNldCA9IGFkZXYt PmZ3X3ZyYW1fdXNhZ2UubWVtX3RyYWluX2ZiX2xvYzsKKwljdHgtPnAyY190cmFpbl9kYXRhX29m ZnNldCA9IChhZGV2LT5nbWMubWNfdnJhbV9zaXplIC0gR0REUjZfTUVNX1RSQUlOSU5HX09GRlNF VCk7CisJY3R4LT50cmFpbl9kYXRhX3NpemUgPSBHRERSNl9NRU1fVFJBSU5JTkdfREFUQV9TSVpF X0lOX0JZVEVTOworCisJRFJNX0RFQlVHKCJ0cmFpbl9kYXRhX3NpemU6JWxseCxwMmNfdHJhaW5f ZGF0YV9vZmZzZXQ6JWxseCxjMnBfdHJhaW5fZGF0YV9vZmZzZXQ6JWxseC5cbiIsCisJCSAgY3R4 LT50cmFpbl9kYXRhX3NpemUsCisJCSAgY3R4LT5wMmNfdHJhaW5fZGF0YV9vZmZzZXQsCisJCSAg Y3R4LT5jMnBfdHJhaW5fZGF0YV9vZmZzZXQpOworCisJcmV0ID0gYW1kZ3B1X2JvX2NyZWF0ZV9r ZXJuZWxfYXQoYWRldiwKKwkJCQkJIGN0eC0+cDJjX3RyYWluX2RhdGFfb2Zmc2V0LAorCQkJCQkg Y3R4LT50cmFpbl9kYXRhX3NpemUsCisJCQkJCSBBTURHUFVfR0VNX0RPTUFJTl9WUkFNLAorCQkJ CQkgJmN0eC0+cDJjX2JvLAorCQkJCQkgTlVMTCk7CisJaWYocmV0KSB7CisJCURSTV9FUlJPUigi YWxsb2MgcDJjX2JvIGZhaWxlZCglZCkhXG4iLCByZXQpOworCQlyZXQgPSAtRU5PTUVNOworCQln b3RvIGVycl9vdXQ7CisJfQorCisJcmV0ID0gYW1kZ3B1X2JvX2NyZWF0ZV9rZXJuZWxfYXQoYWRl diwKKwkJCQkJIGN0eC0+YzJwX3RyYWluX2RhdGFfb2Zmc2V0LAorCQkJCQkgY3R4LT50cmFpbl9k YXRhX3NpemUsCisJCQkJCSBBTURHUFVfR0VNX0RPTUFJTl9WUkFNLAorCQkJCQkgJmN0eC0+YzJw X2JvLAorCQkJCQkgTlVMTCk7CisJaWYocmV0KSB7CisJCURSTV9FUlJPUigiYWxsb2MgYzJwX2Jv IGZhaWxlZCglZCkhXG4iLCByZXQpOworCQlyZXQgPSAtRU5PTUVNOworCQlnb3RvIGVycl9vdXQ7 CisJfQorCisJY3R4LT5pbml0ID0gUFNQX01FTV9UUkFJTl9SRVNFUlZFX1NVQ0NFU1M7CisJcmV0 dXJuIDA7CisKK2Vycl9vdXQ6CisJYW1kZ3B1X3R0bV90cmFpbmluZ19yZXNlcnZlX3ZyYW1fZmlu aShhZGV2KTsKKwlyZXR1cm4gcmV0OworfQorCiAvKioKICAqIGFtZGdwdV90dG1faW5pdCAtIElu aXQgdGhlIG1lbW9yeSBtYW5hZ2VtZW50ICh0dG0pIGFzIHdlbGwgYXMgdmFyaW91cwogICogZ3R0 L3ZyYW0gcmVsYXRlZCBmaWVsZHMuCkBAIC0xNzQwLDYgKzE4MjcsMTQgQEAgaW50IGFtZGdwdV90 dG1faW5pdChzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldikKIAkJcmV0dXJuIHI7CiAJfQogCisJ LyoKKwkgKlRoZSByZXNlcnZlZCB2cmFtIGZvciBtZW1vcnkgdHJhaW5pbmcgbXVzdCBiZSBwaW5u ZWQgdG8gdGhlIHNwZWNpZmllZAorCSAqcGxhY2Ugb24gdGhlIFZSQU0sIHNvIHJlc2VydmUgaXQg ZWFybHkuCisJICovCisJciA9IGFtZGdwdV90dG1fdHJhaW5pbmdfcmVzZXJ2ZV92cmFtX2luaXQo YWRldik7CisJaWYgKHIpCisJCXJldHVybiByOworCiAJLyogYWxsb2NhdGUgbWVtb3J5IGFzIHJl cXVpcmVkIGZvciBWR0EKIAkgKiBUaGlzIGlzIHVzZWQgZm9yIFZHQSBlbXVsYXRpb24gYW5kIHBy ZS1PUyBzY2Fub3V0IGJ1ZmZlcnMgdG8KIAkgKiBhdm9pZCBkaXNwbGF5IGFydGlmYWN0cyB3aGls ZSB0cmFuc2l0aW9uaW5nIGJldHdlZW4gcHJlLU9TCkBAIC0xODI1LDYgKzE5MjAsNyBAQCB2b2lk IGFtZGdwdV90dG1fZmluaShzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldikKIAkJcmV0dXJuOwog CiAJYW1kZ3B1X3R0bV9kZWJ1Z2ZzX2ZpbmkoYWRldik7CisJYW1kZ3B1X3R0bV90cmFpbmluZ19y ZXNlcnZlX3ZyYW1fZmluaShhZGV2KTsKIAlhbWRncHVfdHRtX2Z3X3Jlc2VydmVfdnJhbV9maW5p KGFkZXYpOwogCWlmIChhZGV2LT5tbWFuLmFwZXJfYmFzZV9rYWRkcikKIAkJaW91bm1hcChhZGV2 LT5tbWFuLmFwZXJfYmFzZV9rYWRkcik7Ci0tIAoyLjIwLjEKCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZnggbWFpbGluZyBsaXN0CmFtZC1nZnhA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt YW4vbGlzdGluZm8vYW1kLWdmeA==