From mboxrd@z Thu Jan 1 00:00:00 1970 From: Radhakrishna Sripada Subject: Re: [PATCH 1/3] drm/i915/tgl: Introduce initial Tigerlake Workarounds Date: Tue, 13 Aug 2019 11:07:54 -0700 Message-ID: <20190813180754.GA21977@InViCtUs> References: <20190726000226.26914-1-lucas.demarchi@intel.com> <20190726000226.26914-2-lucas.demarchi@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 10DA96E21D for ; Tue, 13 Aug 2019 18:06:27 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20190726000226.26914-2-lucas.demarchi@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Lucas De Marchi Cc: Michel Thierry , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBKdWwgMjUsIDIwMTkgYXQgMDU6MDI6MjRQTSAtMDcwMCwgTHVjYXMgRGUgTWFyY2hp IHdyb3RlOgo+IEZyb206IE1pY2hlbCBUaGllcnJ5IDxtaWNoZWwudGhpZXJyeUBpbnRlbC5jb20+ Cj4gCj4gSW5oZXJpdCB3b3JrYXJvdW5kcyBmcm9tIHByZXZpb3VzIHBsYXRmb3JtcyB0aGF0IGFy ZSBzdGlsbCB2YWxpZCBmb3IKPiBUaWdlcmxha2UuCj4gCj4gICBXYVBpcGVsaW5lRmx1c2hDb2hl cmVudExpbmVzOnRnbCAoY2hhbmdlZCByZWdpc3RlciBidXQgaGFzIHNhbWUgbmFtZSkKPiAgIFdh U2VuZFB1c2hDb25zdGFudHNGcm9tTU1JTzp0Z2wKPiAgIFdhQWxsb3dVTURUb01vZGlmeVNhbXBs ZXJNb2RlOnRnbAo+ICAgV2FSc0ZvcmNld2FrZUFkZERlbGF5Rm9yQWNrOnRnbAo+IAo+IENjOiBE YW5pZWxlIENlcmFvbG8gU3B1cmlvIDxkYW5pZWxlLmNlcmFvbG9zcHVyaW9AaW50ZWwuY29tPgo+ IFNpZ25lZC1vZmYtYnk6IE1pY2hlbCBUaGllcnJ5IDxtaWNoZWwudGhpZXJyeUBpbnRlbC5jb20+ Cj4gU2lnbmVkLW9mZi1ieTogTHVjYXMgRGUgTWFyY2hpIDxsdWNhcy5kZW1hcmNoaUBpbnRlbC5j b20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2d0L2ludGVsX2xyYy5jICAgICAgICAg fCAgMiArKwo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9ndC9pbnRlbF93b3JrYXJvdW5kcy5jIHwg NDAgKysrKysrKysrKysrKysrKysrKy0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVn LmggICAgICAgICAgICAgfCAgMyArKwo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wbS5j ICAgICAgICAgICAgIHwgIDQgKystCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3VuY29y ZS5jICAgICAgICAgfCAgMiArLQo+ICA1IGZpbGVzIGNoYW5nZWQsIDQ2IGluc2VydGlvbnMoKyks IDUgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2d0 L2ludGVsX2xyYy5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZ3QvaW50ZWxfbHJjLmMKPiBpbmRl eCA4ODRkZmMxY2IwMzMuLjg5M2M1OGRmOGJlMCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9k cm0vaTkxNS9ndC9pbnRlbF9scmMuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2d0L2lu dGVsX2xyYy5jCj4gQEAgLTIwNjksNiArMjA2OSw4IEBAIHN0YXRpYyBpbnQgaW50ZWxfaW5pdF93 b3JrYXJvdW5kX2JiKHN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKmVuZ2luZSkKPiAgCQlyZXR1cm4g MDsKPiAgCj4gIAlzd2l0Y2ggKElOVEVMX0dFTihlbmdpbmUtPmk5MTUpKSB7Cj4gKwljYXNlIDEy Ogo+ICsJCXJldHVybiAwOwo+ICAJY2FzZSAxMToKPiAgCQlyZXR1cm4gMDsKPiAgCWNhc2UgMTA6 Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2d0L2ludGVsX3dvcmthcm91bmRz LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9ndC9pbnRlbF93b3JrYXJvdW5kcy5jCj4gaW5kZXgg NzA0YWNlMDFlN2Y1Li5hNmViOWM2ZTg3ZWMgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvZ3QvaW50ZWxfd29ya2Fyb3VuZHMuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2d0L2ludGVsX3dvcmthcm91bmRzLmMKPiBAQCAtNTY5LDYgKzU2OSwxMSBAQCBzdGF0aWMgdm9p ZCBpY2xfY3R4X3dvcmthcm91bmRzX2luaXQoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5l LAo+ICAJCQkgIEdFTjExX1NBTVBMRVJfRU5BQkxFX0hFQURMRVNTX01TRyk7Cj4gIH0KPiAgCj4g K3N0YXRpYyB2b2lkIHRnbF9jdHhfd29ya2Fyb3VuZHNfaW5pdChzdHJ1Y3QgaW50ZWxfZW5naW5l X2NzICplbmdpbmUsCj4gKwkJCQkgICAgIHN0cnVjdCBpOTE1X3dhX2xpc3QgKndhbCkKPiArewo+ ICt9Cj4gKwo+ICBzdGF0aWMgdm9pZAo+ICBfX2ludGVsX2VuZ2luZV9pbml0X2N0eF93YShzdHJ1 Y3QgaW50ZWxfZW5naW5lX2NzICplbmdpbmUsCj4gIAkJCSAgIHN0cnVjdCBpOTE1X3dhX2xpc3Qg KndhbCwKPiBAQCAtNTgxLDcgKzU4Niw5IEBAIF9faW50ZWxfZW5naW5lX2luaXRfY3R4X3dhKHN0 cnVjdCBpbnRlbF9lbmdpbmVfY3MgKmVuZ2luZSwKPiAgCj4gIAl3YV9pbml0X3N0YXJ0KHdhbCwg bmFtZSwgZW5naW5lLT5uYW1lKTsKPiAgCj4gLQlpZiAoSVNfR0VOKGk5MTUsIDExKSkKPiArCWlm IChJU19HRU4oaTkxNSwgMTIpKQo+ICsJCXRnbF9jdHhfd29ya2Fyb3VuZHNfaW5pdChlbmdpbmUs IHdhbCk7Cj4gKwllbHNlIGlmIChJU19HRU4oaTkxNSwgMTEpKQo+ICAJCWljbF9jdHhfd29ya2Fy b3VuZHNfaW5pdChlbmdpbmUsIHdhbCk7Cj4gIAllbHNlIGlmIChJU19DQU5OT05MQUtFKGk5MTUp KQo+ICAJCWNubF9jdHhfd29ya2Fyb3VuZHNfaW5pdChlbmdpbmUsIHdhbCk7Cj4gQEAgLTg5MCwx MCArODk3LDE3IEBAIGljbF9ndF93b3JrYXJvdW5kc19pbml0KHN0cnVjdCBkcm1faTkxNV9wcml2 YXRlICppOTE1LCBzdHJ1Y3QgaTkxNV93YV9saXN0ICp3YWwpCj4gIAkJICAgIEdBTVRfQ0hLTl9E SVNBQkxFX0wzX0NPSF9QSVBFKTsKPiAgfQo+ICAKPiArc3RhdGljIHZvaWQKPiArdGdsX2d0X3dv cmthcm91bmRzX2luaXQoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUsIHN0cnVjdCBpOTE1 X3dhX2xpc3QgKndhbCkKPiArewo+ICt9Cj4gKwo+ICBzdGF0aWMgdm9pZAo+ICBndF9pbml0X3dv cmthcm91bmRzKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1LCBzdHJ1Y3QgaTkxNV93YV9s aXN0ICp3YWwpCj4gIHsKPiAtCWlmIChJU19HRU4oaTkxNSwgMTEpKQo+ICsJaWYgKElTX0dFTihp OTE1LCAxMikpCj4gKwkJdGdsX2d0X3dvcmthcm91bmRzX2luaXQoaTkxNSwgd2FsKTsKPiArCWVs c2UgaWYgKElTX0dFTihpOTE1LCAxMSkpCj4gIAkJaWNsX2d0X3dvcmthcm91bmRzX2luaXQoaTkx NSwgd2FsKTsKPiAgCWVsc2UgaWYgKElTX0NBTk5PTkxBS0UoaTkxNSkpCj4gIAkJY25sX2d0X3dv cmthcm91bmRzX2luaXQoaTkxNSwgd2FsKTsKPiBAQCAtMTE4Myw2ICsxMTk3LDE3IEBAIHN0YXRp YyB2b2lkIGljbF93aGl0ZWxpc3RfYnVpbGQoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5l KQo+ICAJfQo+ICB9Cj4gIAo+ICtzdGF0aWMgdm9pZCB0Z2xfd2hpdGVsaXN0X2J1aWxkKHN0cnVj dCBpbnRlbF9lbmdpbmVfY3MgKmVuZ2luZSkKPiArewo+ICsJc3RydWN0IGk5MTVfd2FfbGlzdCAq dyA9ICZlbmdpbmUtPndoaXRlbGlzdDsKPiArCj4gKwkvKiBXYVNlbmRQdXNoQ29uc3RhbnRzRnJv bU1NSU86dGdsICovCj4gKwl3aGl0ZWxpc3RfcmVnKHcsIENPTU1PTl9TTElDRV9DSElDS0VOMik7 Cj4gKwo+ICsJLyogV2FBbGxvd1VNRFRvTW9kaWZ5U2FtcGxlck1vZGU6dGdsICovCj4gKwl3aGl0 ZWxpc3RfcmVnKHcsIEdFTjEwX1NBTVBMRVJfTU9ERSk7CkFyZSB0aGVyZSB1c2VyIHNwYWNlIGNv bnN1bWVycyBmb3IgdGhlIGFib3ZlIDIgd29ya2Fyb3VuZHM/CklDTCBkb2VzIG5vdCBzZWVtIHRv IGNhcnJ5IHRoZW0uCgotIFJhZGhha3Jpc2huYShSSykgU3JpcGFkYQo+ICt9Cj4gKwo+ICB2b2lk IGludGVsX2VuZ2luZV9pbml0X3doaXRlbGlzdChzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICplbmdp bmUpCj4gIHsKPiAgCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1ID0gZW5naW5lLT5pOTE1 Owo+IEBAIC0xMTkwLDcgKzEyMTUsOSBAQCB2b2lkIGludGVsX2VuZ2luZV9pbml0X3doaXRlbGlz dChzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICplbmdpbmUpCj4gIAo+ICAJd2FfaW5pdF9zdGFydCh3 LCAid2hpdGVsaXN0IiwgZW5naW5lLT5uYW1lKTsKPiAgCj4gLQlpZiAoSVNfR0VOKGk5MTUsIDEx KSkKPiArCWlmIChJU19HRU4oaTkxNSwgMTIpKQo+ICsJCXRnbF93aGl0ZWxpc3RfYnVpbGQoZW5n aW5lKTsKPiArCWVsc2UgaWYgKElTX0dFTihpOTE1LCAxMSkpCj4gIAkJaWNsX3doaXRlbGlzdF9i dWlsZChlbmdpbmUpOwo+ICAJZWxzZSBpZiAoSVNfQ0FOTk9OTEFLRShpOTE1KSkKPiAgCQljbmxf d2hpdGVsaXN0X2J1aWxkKGVuZ2luZSk7Cj4gQEAgLTEyNDAsNiArMTI2NywxMyBAQCByY3NfZW5n aW5lX3dhX2luaXQoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5lLCBzdHJ1Y3QgaTkxNV93 YV9saXN0ICp3YWwpCj4gIHsKPiAgCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1ID0gZW5n aW5lLT5pOTE1Owo+ICAKPiArCWlmIChJU19HRU4oaTkxNSwgMTIpKSB7Cj4gKwkJLyogV2FQaXBl bGluZUZsdXNoQ29oZXJlbnRMaW5lczp0Z2wgKi8KPiArCQl3YV93cml0ZV9vcih3YWwsCj4gKwkJ CSAgICBHRU4xMl9MM1NRQ1JFRzIsCj4gKwkJCSAgICBHRU4xMl9MUVNDX0ZMVVNIX0NPSEVSRU5U X0xJTkVTKTsKPiArCX0KPiArCj4gIAlpZiAoSVNfR0VOKGk5MTUsIDExKSkgewo+ICAJCS8qIFRo aXMgaXMgbm90IGFuIFdhLiBFbmFibGUgZm9yIGJldHRlciBpbWFnZSBxdWFsaXR5ICovCj4gIAkJ d2FfbWFza2VkX2VuKHdhbCwKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkx NV9yZWcuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVnLmgKPiBpbmRleCAyNGYyYTUy YTJiNDIuLjU0ZWEyNTAwMDBiZSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p OTE1X3JlZy5oCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZWcuaAo+IEBAIC03 NzI5LDYgKzc3MjksOSBAQCBlbnVtIHsKPiAgI2RlZmluZSAgR0VOOF9MUVNDX1JPX1BFUkZfRElT CQkJKDEgPDwgMjcpCj4gICNkZWZpbmUgIEdFTjhfTFFTQ19GTFVTSF9DT0hFUkVOVF9MSU5FUwkJ KDEgPDwgMjEpCj4gIAo+ICsjZGVmaW5lIEdFTjEyX0wzU1FDUkVHMgkJCQlfTU1JTygweGIxMDQp Cj4gKyNkZWZpbmUgIEdFTjEyX0xRU0NfRkxVU0hfQ09IRVJFTlRfTElORVMJKDEgPDwgMjQpCj4g Kwo+ICAvKiBHRU44IGNoaWNrZW4gKi8KPiAgI2RlZmluZSBIRENfQ0hJQ0tFTjAJCQkJX01NSU8o MHg3MzAwKQo+ICAjZGVmaW5lIENOTF9IRENfQ0hJQ0tFTjAJCQlfTU1JTygweEU1RjApCj4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMgYi9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9wbS5jCj4gaW5kZXggMzAzOTliMjQ1ZjA3Li42M2FlY2ZmMTk1Y2UgMTAw NjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYwo+ICsrKyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMKPiBAQCAtOTYwOCw3ICs5NjA4LDkgQEAgc3RhdGlj IHZvaWQgbm9wX2luaXRfY2xvY2tfZ2F0aW5nKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZf cHJpdikKPiAgICovCj4gIHZvaWQgaW50ZWxfaW5pdF9jbG9ja19nYXRpbmdfaG9va3Moc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KQo+ICB7Cj4gLQlpZiAoSVNfR0VOKGRldl9wcml2 LCAxMSkpCj4gKwlpZiAoSVNfR0VOKGRldl9wcml2LCAxMikpCj4gKwkJZGV2X3ByaXYtPmRpc3Bs YXkuaW5pdF9jbG9ja19nYXRpbmcgPSBub3BfaW5pdF9jbG9ja19nYXRpbmc7Cj4gKwllbHNlIGlm IChJU19HRU4oZGV2X3ByaXYsIDExKSkKPiAgCQlkZXZfcHJpdi0+ZGlzcGxheS5pbml0X2Nsb2Nr X2dhdGluZyA9IGljbF9pbml0X2Nsb2NrX2dhdGluZzsKPiAgCWVsc2UgaWYgKElTX0NBTk5PTkxB S0UoZGV2X3ByaXYpKQo+ICAJCWRldl9wcml2LT5kaXNwbGF5LmluaXRfY2xvY2tfZ2F0aW5nID0g Y25sX2luaXRfY2xvY2tfZ2F0aW5nOwo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF91bmNvcmUuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3VuY29yZS5jCj4g aW5kZXggNDc1YWIzZDRkOTFkLi5jY2EwNDZmZjJlMTAgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfdW5jb3JlLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF91bmNvcmUuYwo+IEBAIC0xNDQsNyArMTQ0LDcgQEAgZndfZG9tYWluX3dhaXRfYWNrX3dp dGhfZmFsbGJhY2soY29uc3Qgc3RydWN0IGludGVsX3VuY29yZV9mb3JjZXdha2VfZG9tYWluICpk LAo+ICAJICogdGhlIGZhbGxiYWNrIGFjay4KPiAgCSAqCj4gIAkgKiBUaGlzIHdvcmthcm91bmQg aXMgZGVzY3JpYmVkIGluIEhTREVTICMxNjA0MjU0NTI0IGFuZCBpdCdzIGtub3duIGFzOgo+IC0J ICogV2FSc0ZvcmNld2FrZUFkZERlbGF5Rm9yQWNrOnNrbCxieHQsa2JsLGdsayxjZmwsY25sLGlj bAo+ICsJICogV2FSc0ZvcmNld2FrZUFkZERlbGF5Rm9yQWNrOnNrbCxieHQsa2JsLGdsayxjZmws Y25sLGljbCx0Z2wKPiAgCSAqIGFsdGhvdWdoIHRoZSBuYW1lIGlzIGEgYml0IG1pc2xlYWRpbmcu Cj4gIAkgKi8KPiAgCj4gLS0gCj4gMi4yMS4wCj4gCj4gX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KPiBJbnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gSW50ZWwt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2ludGVsLWdmeA==