From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 5.2 19/76] drm/amd/display: fix DMCU hang when going into Modern Standby Date: Fri, 2 Aug 2019 09:18:53 -0400 Message-ID: <20190802131951.11600-19-sashal@kernel.org> References: <20190802131951.11600-1-sashal@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190802131951.11600-1-sashal-DgEjT+Ai2ygdnm+yROfE0A@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: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Sasha Levin , Eric Yang , Leo Li , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Zi Yu Liao , Alex Deucher , Anthony Koo RnJvbTogWmkgWXUgTGlhbyA8eml5dS5saWFvQGFtZC5jb20+CgpbIFVwc3RyZWFtIGNvbW1pdCAx Y2EwNjhlZDM0ZDZiMzlkMzM2YzFiMGQ2MThlZDczYmE4ZjA0NTQ4IF0KClt3aHldCldoZW4gdGhl IHN5c3RlbSBpcyBnb2luZyBpbnRvIHN1c3BlbmQsIHNldF9iYWNrbGlnaHQgZ2V0cyBjYWxsZWQK YWZ0ZXIgdGhlIGVEUCBnb3QgYmxhbmtlZC4gU2luY2Ugc21vb3RoIGJyaWdodG5lc3MgaXMgZW5h YmxlZCwKdGhlIGRyaXZlciB3aWxsIG1ha2UgYSBjYWxsIGludG8gdGhlIERNQ1UgdG8gcmFtcCB0 aGUgYnJpZ2h0bmVzcy4KVGhlIERNQ1Ugd291bGQgdHJ5IHRvIGVuYWJsZSBBQk0gdG8gZG8gc28u IEJ1dCBzaW5jZSB0aGUgZGlzcGxheSBpcwpibGFua2VkLCB0aGlzIGVuZHMgdXAgY2F1c2luZyBB Qk0xX0FDRV9EQlVGX1JFR19VUERBVEVfUEVORElORyB0bwpnZXQgc3R1Y2sgYXQgMSwgd2hpY2gg cmVzdWx0cyBpbiBhIGRlYWQgbG9jayBpbiB0aGUgRE1DVSBmaXJtd2FyZS4KCltob3ddCkRpc2Fi bGUgYnJpZ2h0bmVzcyByYW1waW5nIHdoZW4gdGhlIGVEUCBkaXNwbGF5IGlzIGJsYW5rZWQuCgpT aWduZWQtb2ZmLWJ5OiBaaSBZdSBMaWFvIDx6aXl1LmxpYW9AYW1kLmNvbT4KUmV2aWV3ZWQtYnk6 IEVyaWMgWWFuZyA8ZXJpYy55YW5nMkBhbWQuY29tPgpBY2tlZC1ieTogQW50aG9ueSBLb28gPEFu dGhvbnkuS29vQGFtZC5jb20+CkFja2VkLWJ5OiBMZW8gTGkgPHN1bnBlbmcubGlAYW1kLmNvbT4K U2lnbmVkLW9mZi1ieTogQWxleCBEZXVjaGVyIDxhbGV4YW5kZXIuZGV1Y2hlckBhbWQuY29tPgpT aWduZWQtb2ZmLWJ5OiBTYXNoYSBMZXZpbiA8c2FzaGFsQGtlcm5lbC5vcmc+Ci0tLQogZHJpdmVy cy9ncHUvZHJtL2FtZC9kaXNwbGF5L2RjL2NvcmUvZGNfbGluay5jIHwgOSArKysrKysrKy0KIDEg ZmlsZSBjaGFuZ2VkLCA4IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1naXQg YS9kcml2ZXJzL2dwdS9kcm0vYW1kL2Rpc3BsYXkvZGMvY29yZS9kY19saW5rLmMgYi9kcml2ZXJz L2dwdS9kcm0vYW1kL2Rpc3BsYXkvZGMvY29yZS9kY19saW5rLmMKaW5kZXggYTNmZjMzZmY2ZGEx Ni4uYWRmMzllM2I4ZDI5ZCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9kaXNwbGF5 L2RjL2NvcmUvZGNfbGluay5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvZGlzcGxheS9kYy9j b3JlL2RjX2xpbmsuYwpAQCAtMjI4NCw3ICsyMjg0LDcgQEAgYm9vbCBkY19saW5rX3NldF9iYWNr bGlnaHRfbGV2ZWwoY29uc3Qgc3RydWN0IGRjX2xpbmsgKmxpbmssCiAJCQlpZiAoY29yZV9kYy0+ Y3VycmVudF9zdGF0ZS0+cmVzX2N0eC5waXBlX2N0eFtpXS5zdHJlYW0pIHsKIAkJCQlpZiAoY29y ZV9kYy0+Y3VycmVudF9zdGF0ZS0+cmVzX2N0eC4KIAkJCQkJCXBpcGVfY3R4W2ldLnN0cmVhbS0+ bGluawotCQkJCQkJPT0gbGluaykKKwkJCQkJCT09IGxpbmspIHsKIAkJCQkJLyogRE1DVSAtMSBm b3IgYWxsIGNvbnRyb2xsZXIgaWQgdmFsdWVzLAogCQkJCQkgKiB0aGVyZWZvcmUgKzEgaGVyZQog CQkJCQkgKi8KQEAgLTIyOTIsNiArMjI5MiwxMyBAQCBib29sIGRjX2xpbmtfc2V0X2JhY2tsaWdo dF9sZXZlbChjb25zdCBzdHJ1Y3QgZGNfbGluayAqbGluaywKIAkJCQkJCWNvcmVfZGMtPmN1cnJl bnRfc3RhdGUtPgogCQkJCQkJcmVzX2N0eC5waXBlX2N0eFtpXS5zdHJlYW1fcmVzLnRnLT5pbnN0 ICsKIAkJCQkJCTE7CisKKwkJCQkJLyogRGlzYWJsZSBicmlnaHRuZXNzIHJhbXBpbmcgd2hlbiB0 aGUgZGlzcGxheSBpcyBibGFua2VkCisJCQkJCSAqIGFzIGl0IGNhbiBoYW5nIHRoZSBETUNVCisJ CQkJCSAqLworCQkJCQlpZiAoY29yZV9kYy0+Y3VycmVudF9zdGF0ZS0+cmVzX2N0eC5waXBlX2N0 eFtpXS5wbGFuZV9zdGF0ZSA9PSBOVUxMKQorCQkJCQkJZnJhbWVfcmFtcCA9IDA7CisJCQkJfQog CQkJfQogCQl9CiAJCWFibS0+ZnVuY3MtPnNldF9iYWNrbGlnaHRfbGV2ZWxfcHdtKAotLSAKMi4y MC4xCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwphbWQt Z2Z4IG1haWxpbmcgbGlzdAphbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZng=