From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH v2] drm/i915: Restrict qgv points which don't have enough bandwidth. Date: Fri, 20 Sep 2019 16:19:50 +0300 Message-ID: <20190920131950.GZ1208@intel.com> References: <20190920104413.21410-1-stanislav.lisovskiy@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9C44E6FCF8 for ; Fri, 20 Sep 2019 13:19:54 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20190920104413.21410-1-stanislav.lisovskiy@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Stanislav Lisovskiy Cc: intel-gfx@lists.freedesktop.org, ville.syrjala@intel.com, martin.peres@intel.com List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBTZXAgMjAsIDIwMTkgYXQgMDE6NDQ6MTNQTSArMDMwMCwgU3RhbmlzbGF2IExpc292 c2tpeSB3cm90ZToKPiBBY2NvcmRpbmcgdG8gQlNwZWMgNTM5OTgsIHdlIHNob3VsZCB0cnkgdG8K PiByZXN0cmljdCBxZ3YgcG9pbnRzLCB3aGljaCBjYW4ndCBwcm92aWRlCj4gZW5vdWdoIGJhbmR3 aWR0aCBmb3IgZGVzaXJlZCBkaXNwbGF5IGNvbmZpZ3VyYXRpb24uCj4gCj4gQ3VycmVudGx5IHdl IGFyZSBqdXN0IGNvbXBhcmluZyBhZ2FpbnN0IGFsbCBvZgo+IHRob3NlIGFuZCB0YWtlIG1pbmlt dW0od29yc3QgY2FzZSkuCj4gCj4gdjI6IEZpeGVkIHdyb25nIFBDb2RlIHJlcGx5IG1hc2ssIHJl bW92ZWQgaGFyZGNvZGVkCj4gICAgIHZhbHVlcy4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBTdGFuaXNs YXYgTGlzb3Zza2l5IDxzdGFuaXNsYXYubGlzb3Zza2l5QGludGVsLmNvbT4KPiAtLS0KPiAgZHJp dmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9idy5jIHwgNTggKysrKysrKysrKysrKysr KysrKysrKystLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlZy5oICAgICAgICAgfCAg MyArKwo+ICAyIGZpbGVzIGNoYW5nZWQsIDU4IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0p Cj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfYncu YyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfYncuYwo+IGluZGV4IGNkNThl NDdhYjdiMi4uNzY1M2NiZGIwZWU0IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2Rpc3BsYXkvaW50ZWxfYncuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkv aW50ZWxfYncuYwo+IEBAIC05MCw2ICs5MCwyNiBAQCBzdGF0aWMgaW50IGljbF9wY29kZV9yZWFk X3Fndl9wb2ludF9pbmZvKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKPiAgCXJl dHVybiAwOwo+ICB9Cj4gIAo+ICtzdGF0aWMgaW50IGljbF9wY29kZV9yZXN0cmljdF9xZ3ZfcG9p bnRzKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwgdTMyIHBvaW50c19tYXNrKQo+ ICt7Cj4gKwlpbnQgcmV0Owo+ICsKPiArCS8qIGJzcGVjIHNheXMgdG8ga2VlcCByZXRyeWluZyBm b3IgYXQgbGVhc3QgMSBtcyAqLwo+ICsJcmV0ID0gc2tsX3Bjb2RlX3JlcXVlc3QoZGV2X3ByaXYs IElDTF9QQ09ERV9TQUdWX0RFX01FTV9TU19DT05GSUcsCj4gKwkJCQlwb2ludHNfbWFzaywKPiAr CQkJCUdFTjExX1BDT0RFX1BPSU5UU19SRVNUUklDVEVEX01BU0ssCj4gKwkJCQlHRU4xMV9QQ09E RV9QT0lOVFNfUkVTVFJJQ1RFRCwKPiArCQkJCTEpOwo+ICsKPiArCWlmIChyZXQgPCAwKSB7Cj4g KwkJRFJNX0VSUk9SKCJGYWlsZWQgdG8gZGlzYWJsZSBxZ3YgcG9pbnRzICglZClcbiIsIHJldCk7 Cj4gKwkJcmV0dXJuIHJldDsKPiArCX0KPiArCj4gKwlyZXR1cm4gMDsKPiArfQo+ICsKPiArCj4g IHN0YXRpYyBpbnQgaWNsX2dldF9xZ3ZfcG9pbnRzKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpk ZXZfcHJpdiwKPiAgCQkJICAgICAgc3RydWN0IGludGVsX3Fndl9pbmZvICpxaSkKPiAgewo+IEBA IC0zNTQsNyArMzc0LDkgQEAgaW50IGludGVsX2J3X2F0b21pY19jaGVjayhzdHJ1Y3QgaW50ZWxf YXRvbWljX3N0YXRlICpzdGF0ZSkKPiAgCXVuc2lnbmVkIGludCBkYXRhX3JhdGUsIG1heF9kYXRh X3JhdGU7Cj4gIAl1bnNpZ25lZCBpbnQgbnVtX2FjdGl2ZV9wbGFuZXM7Cj4gIAlzdHJ1Y3QgaW50 ZWxfY3J0YyAqY3J0YzsKPiAtCWludCBpOwo+ICsJaW50IGksIHJldDsKPiArCXN0cnVjdCBpbnRl bF9xZ3ZfaW5mbyBxaSA9IHt9Owo+ICsJdTMyIHBvaW50c19tYXNrID0gMDsKPiAgCj4gIAkvKiBG SVhNRSBlYXJsaWVyIGdlbnMgbmVlZCBzb21lIGNoZWNrcyB0b28gKi8KPiAgCWlmIChJTlRFTF9H RU4oZGV2X3ByaXYpIDwgMTEpCj4gQEAgLTM5OCwxMCArNDIwLDQwIEBAIGludCBpbnRlbF9id19h dG9taWNfY2hlY2soc3RydWN0IGludGVsX2F0b21pY19zdGF0ZSAqc3RhdGUpCj4gIAlkYXRhX3Jh dGUgPSBpbnRlbF9id19kYXRhX3JhdGUoZGV2X3ByaXYsIGJ3X3N0YXRlKTsKPiAgCW51bV9hY3Rp dmVfcGxhbmVzID0gaW50ZWxfYndfbnVtX2FjdGl2ZV9wbGFuZXMoZGV2X3ByaXYsIGJ3X3N0YXRl KTsKPiAgCj4gLQltYXhfZGF0YV9yYXRlID0gaW50ZWxfbWF4X2RhdGFfcmF0ZShkZXZfcHJpdiwg bnVtX2FjdGl2ZV9wbGFuZXMpOwo+IC0KPiAgCWRhdGFfcmF0ZSA9IERJVl9ST1VORF9VUChkYXRh X3JhdGUsIDEwMDApOwo+ICAKPiArCXJldCA9IGljbF9nZXRfcWd2X3BvaW50cyhkZXZfcHJpdiwg JnFpKTsKPiArCWlmIChyZXQgPCAwKSB7Cj4gKwkJZ290byBmYWxsYmFjazsKCklmIHdlIGRvbid0 IGhhdmUgdGhhdCB3ZSBkb24ndCBoYXZlIGFueSBpZGVhIGFib3V0IGJ3IGxpbWl0cy4gU28KcHJv YmFibHkganVzdCByZXR1cm4gMCBoZXJlLgoKPiArCX0KPiArCj4gKwlmb3IgKGkgPSAwOyBpIDwg cWkubnVtX3BvaW50czsgaSsrKSB7Cj4gKwkJbWF4X2RhdGFfcmF0ZSA9IGljbF9tYXhfYncoZGV2 X3ByaXYsIG51bV9hY3RpdmVfcGxhbmVzLCBpKTsKPiArCQlpZiAobWF4X2RhdGFfcmF0ZSA8IGRh dGFfcmF0ZSkgewo+ICsJCQlEUk1fREVCVUdfS01TKCJRR1YgcG9pbnQgJWQ6IG1heCBidyAlZCBy ZXF1aXJlZCAlZCByZXN0cmljdGVkXG4iLAo+ICsJCQkJICAgICAgaSwgbWF4X2RhdGFfcmF0ZSwg ZGF0YV9yYXRlKTsKPiArCQkJcG9pbnRzX21hc2sgfD0gMSA8PCBpOwoKSSB0aGluayBqdXN0IG1h cmtpbmcgdGhlIGFjY2VwdGVkIGxldmVscyBpbiB0aGUgbWFzayB3b3VsZCBtYWtlIHRoaW5ncwpz aW1wbGVyLi4uCgo+ICsJCX0gZWxzZQo+ICsJCQlEUk1fREVCVUdfS01TKCJRR1YgcG9pbnQgJWQ6 IG1heCBidyAlZCByZXF1aXJlZCAlZCB1bnJlc3RyaWN0ZWRcbiIsCj4gKwkJCQkgICAgICBpLCBt YXhfZGF0YV9yYXRlLCBkYXRhX3JhdGUpOwo+ICsJfQo+ICsKPiArCWlmIChwb2ludHNfbWFzayA+ PSAoKDEgPDwgcWkubnVtX3BvaW50cykgLSAxKSkgewoKLi4uIGVnLiB0aGlzIGNhbiB0aGVuIGp1 c3QgYmUgJ2lmIChwb2ludHNfbWFzayA9PSAwKScKCj4gKwkJRFJNX0RFQlVHX0tNUygiQ291bGQg bm90IGZpbmQgYW55IHN1aXRhYmxlIFFHViBwb2ludHNcbiIpOwo+ICsJCXJldHVybiAtRUlOVkFM Owo+ICsJfQo+ICsKPiArCXJldCA9IGljbF9wY29kZV9yZXN0cmljdF9xZ3ZfcG9pbnRzKGRldl9w cml2LCBwb2ludHNfbWFzayk7Cj4gKwlpZiAocmV0IDwgMCkgewo+ICsJCURSTV9ERUJVR19LTVMo IkNvdWxkIG5vdCByZXN0cmljdCByZXF1aXJlZCBncXYgcG9pbnRzKCVkKVxuIiwgcmV0KTsKPiAr CQlnb3RvIGZhbGxiYWNrOwoKU2VlbXMgbGlrZSBkZWFkIGNvZGUgdG8gbWUuCgpXZSdsbCBuZWVk IHRvIGFjY291bnQgZm9yIHRoZSBTQUdWIHllcy9ubyBpbiBoZXJlIGFzIHdlbGwuIFRoYXQgaXMs IGlmClNBR1YgaXMgb2ZmIGR1ZSB0byB3YXRlcm1hcmtzIHdlJ2xsIG5lZWQgdG8gcmVzdHJpY3Qg dGhpbmdzIHRvIHRoZQpoaWdoZXN0IFFHViBwb2ludCBvbmx5LiBBbHNvIHVzaW5nIGJvdGggdGhl IFFHViBwb2ludCByZXN0cmljdGlvbgpwY29kZSBjb21tYW5kIGFuZCB0aGUgbGVnYWN5IFNBR1Yg cGNvZGUgY29tbWFuZCBhdCB0aGUgc2FtZSB0aW1lIHNvdW5kcwpyYXRoZXIgcmlza3kgdG8gbWUu IEkgc3VzcGVjdCBwY29kZSBtaWdodCBub3QgZXhwZWN0IHRoYXQuIFNvIHdlIG5lZWQKdG8gcmV3 b3JrIHRoaXMgb24gYSBzbGlnaHRseSBiaWdnZXIgc2NhbGUuCgo+ICsJfQo+ICsKPiArCXJldHVy biAwOwo+ICsKPiArZmFsbGJhY2s6Cj4gKwltYXhfZGF0YV9yYXRlID0gaW50ZWxfbWF4X2RhdGFf cmF0ZShkZXZfcHJpdiwgbnVtX2FjdGl2ZV9wbGFuZXMpOwo+ICsKPiAgCWlmIChkYXRhX3JhdGUg PiBtYXhfZGF0YV9yYXRlKSB7Cj4gIAkJRFJNX0RFQlVHX0tNUygiQmFuZHdpZHRoICV1IE1CL3Mg ZXhjZWVkcyBtYXggYXZhaWxhYmxlICVkIE1CL3MgKCVkIGFjdGl2ZSBwbGFuZXMpXG4iLAo+ICAJ CQkgICAgICBkYXRhX3JhdGUsIG1heF9kYXRhX3JhdGUsIG51bV9hY3RpdmVfcGxhbmVzKTsKPiBk aWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZWcuaCBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2k5MTVfcmVnLmgKPiBpbmRleCBiZjM3ZWNlYmM4MmYuLmZlMzI3ZmVlODc4MSAx MDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlZy5oCj4gKysrIGIvZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZWcuaAo+IEBAIC04ODQ1LDYgKzg4NDUsNyBAQCBlbnVt IHsKPiAgI2RlZmluZSAgIElDTF9QQ09ERV9NRU1fU1VCU1lTWVNURU1fSU5GTwkweGQKPiAgI2Rl ZmluZSAgICAgSUNMX1BDT0RFX01FTV9TU19SRUFEX0dMT0JBTF9JTkZPCSgweDAgPDwgOCkKPiAg I2RlZmluZSAgICAgSUNMX1BDT0RFX01FTV9TU19SRUFEX1FHVl9QT0lOVF9JTkZPKHBvaW50KQko KChwb2ludCkgPDwgMTYpIHwgKDB4MSA8PCA4KSkKPiArI2RlZmluZSAgIElDTF9QQ09ERV9TQUdW X0RFX01FTV9TU19DT05GSUcJMHhlCj4gICNkZWZpbmUgICBHRU42X1BDT0RFX1JFQURfRF9DT01Q CQkweDEwCj4gICNkZWZpbmUgICBHRU42X1BDT0RFX1dSSVRFX0RfQ09NUAkJMHgxMQo+ICAjZGVm aW5lICAgSFNXX1BDT0RFX0RFX1dSSVRFX0ZSRVFfUkVRCQkweDE3Cj4gQEAgLTg4NTYsNiArODg1 Nyw4IEBAIGVudW0gewo+ICAjZGVmaW5lICAgICBHRU45X1NBR1ZfRElTQUJMRQkJCTB4MAo+ICAj ZGVmaW5lICAgICBHRU45X1NBR1ZfSVNfRElTQUJMRUQJCTB4MQo+ICAjZGVmaW5lICAgICBHRU45 X1NBR1ZfRU5BQkxFCQkJMHgzCj4gKyNkZWZpbmUgR0VOMTFfUENPREVfUE9JTlRTX1JFU1RSSUNU RUQJCTB4MAo+ICsjZGVmaW5lIEdFTjExX1BDT0RFX1BPSU5UU19SRVNUUklDVEVEX01BU0sJMHgx Cj4gICNkZWZpbmUgR0VONl9QQ09ERV9EQVRBCQkJCV9NTUlPKDB4MTM4MTI4KQo+ICAjZGVmaW5l ICAgR0VONl9QQ09ERV9GUkVRX0lBX1JBVElPX1NISUZUCTgKPiAgI2RlZmluZSAgIEdFTjZfUENP REVfRlJFUV9SSU5HX1JBVElPX1NISUZUCTE2Cj4gLS0gCj4gMi4xNy4xCj4gCiA+IF9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxp bmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwczovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAoKLS0gClZpbGxlIFN5 cmrDpGzDpApJbnRlbApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1n Zng=