From mboxrd@z Thu Jan 1 00:00:00 1970 From: wxiaowen-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org Subject: drm-lease: sharing planes between DRM lessees Date: Wed, 04 Sep 2019 16:18:06 -0400 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Freedreno" To: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: dri-devel@lists.freedesktop.org VGhlcmUgaXMgYSB1c2UgY2FzZSB0byBzaGFyZSBoL3cgcGlwZSByZXNvdXJjZXMgYmV0d2VlbiBs ZXNzZWUgbWFzdGVycy4gClR3byBwbGFuZXMgYXJlIGNyZWF0ZWQgYW5kIGFsbG9jYXRlZCB0byB0 d28gbWFzdGVycywgYnV0IGludGVybmFsbHkgdGhleSAKc2hhcmUgdGhlIHNhbWUgaC93IHBpcGU6 CgptYXN0ZXJBICAgICAgICAgIG1hc3RlckIKcGxhbmVBICAgICAgICAgICBwbGFuZUIKICAgfCAg ICAgICAgICAgICAgICB8CiAgIFwtLS0gc2FtZSBIL1cgLS0tLwoKQSBzZWFtbGVzcyBoYW5kb2Zm IGJldHdlZW4gdGhlIHNoYXJlZCBwbGFuZSBpcyBhbHNvIHJlcXVpcmVkLCB0aGF0IGluIAphYm92 ZSBkaWFncmFtIGlmIHBsYW5lQiBpcyBzdGFnZWQgYW5kIGNvbW1pdHRlZCwgcGxhbmVBIHNob3Vs ZCBiZSAKdW5zdGFnZWQgYXQgdGhlIHNhbWUgdGltZSB0byBoYW5kb2ZmIGgvdyBwaXBlIHRvIHBs YW5lQi4gVGhlIGlkZWEgaXMgdG8gCm1heGltaXplIHRoZSB1c2Ugb2YgaC93IHBpcGUsIHNvIHRo YXQgaWYgcGxhbmUgaXMgbm90IHVzZWQgaW4gb25lIAptYXN0ZXIsIGl0IGNhbiBiZSByZXVzZWQg aW4gYW5vdGhlciBtYXN0ZXIuIFRoaXMgaWRlYSBpcyBzaW1pbGFyIHRvIAp1bml2ZXJzYWwgcGxh bmUgdXNlZCBiZXR3ZWVuIGNydGNzLCBidXQgdGhpcyB0aW1lIHdlIG5lZWQgdG8gbW92ZSBpdCB0 byAKY3J0YyBpbiBhbm90aGVyIG1hc3Rlci4KCiMjIyBPcHRpb24gMSAjIyM6CkJhc2VkIG9uIHRo ZSByZXF1aXJlbWVudCwgd2UgcGxhbm5lZCB0byBhZGQgYSBzaGFyZWQgcGxhbmUgY2hlY2sgaW4g CmRybV9hdG9taWNfaGVscGVyX2NoZWNrX21vZGVzZXQoKSwgdG8gYWRkIGFmZmVjdGVkIHNoYXJl ZCBwbGFuZXMgZnJvbSAKb3RoZXIgbGVzc2VlcyBhbmQgdW5zdGFnZSB0aGVtIGluIHRoZSBzYW1l IGNvbW1pdDoKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2F0b21pY19oZWxwZXIu YyAKYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2F0b21pY19oZWxwZXIuYwppbmRleCBmN2VjY2FiLi5k MGViNTc4IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2F0b21pY19oZWxwZXIuYwor KysgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2F0b21pY19oZWxwZXIuYwpAQCAtNTE2LDYgKzUxNiw0 MCBAQCBzdGF0aWMgZW51bSBkcm1fbW9kZV9zdGF0dXMgbW9kZV92YWxpZF9wYXRoKHN0cnVjdCAK ZHJtX2Nvbm5lY3RvciAqY29ubmVjdG9yLAogICAgICAgICByZXR1cm4gMDsKfQoKK3N0YXRpYyBp bnQKK3VwZGF0ZV9zaGFyZWRfcGxhbmVzKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHN0cnVjdCBk cm1fYXRvbWljX3N0YXRlIAoqc3RhdGUpCit7CisgICAgICAgc3RydWN0IGRybV9wbGFuZSAqcGxh bmU7CisgICAgICAgc3RydWN0IGRybV9wbGFuZV9zdGF0ZSAqcGxhbmVfc3RhdGU7CisgICAgICAg dWludDMyX3QgcGxhbmVfbWFzayA9IDA7CisgICAgICAgaW50IGksIHJldDsKKworICAgICAgIGZv cl9lYWNoX3BsYW5lX2luX3N0YXRlKHN0YXRlLCBwbGFuZSwgcGxhbmVfc3RhdGUsIGkpIHsKKyAg ICAgICAgICAgICAgIGlmIChwbGFuZS0+dHlwZSA9PSBEUk1fUExBTkVfVFlQRV9TSEFSRUQgJiYg CnBsYW5lX3N0YXRlLT5jcnRjKQorICAgICAgICAgICAgICAgICAgICAgICBwbGFuZV9tYXNrIHw9 ICgxIDw8IGRybV9wbGFuZV9pbmRleChwbGFuZSkpOworICAgICAgIH0KKworICAgICAgIGRybV9m b3JfZWFjaF9zaWJsaW5nX3BsYW5lX21hc2socGxhbmUsIGRldiwgcGxhbmVfbWFzaykgeworICAg ICAgICAgICAgICAgLyoKKyAgICAgICAgICAgICAgICAqIHNpYmxpbmcgcGxhbmVzIHNob3VsZCBu b3QgYXBwZWFyIGluIHBsYW5lX21hc2ssIApvdGhlcndpc2UKKyAgICAgICAgICAgICAgICAqIHdl IGhhdmUgbXVsdGlwbGUgc2libGluZyBwbGFuZXMgc3RhZ2VkIGluIG9uZSBjb21taXQKKyAgICAg ICAgICAgICAgICAqLworICAgICAgICAgICAgICAgaWYgKHBsYW5lX21hc2sgJiAoMSA8PCBkcm1f cGxhbmVfaW5kZXgocGxhbmUpKSkKKyAgICAgICAgICAgICAgICAgICAgICAgcmV0dXJuIC1FSU5W QUw7CisKKyAgICAgICAgICAgICAgIHBsYW5lX3N0YXRlID0gZHJtX2F0b21pY19nZXRfcGxhbmVf c3RhdGUoc3RhdGUsIHBsYW5lKTsKKyAgICAgICAgICAgICAgIGlmIChJU19FUlIocGxhbmVfc3Rh dGUpKQorICAgICAgICAgICAgICAgICAgICAgICByZXR1cm4gUFRSX0VSUihwbGFuZV9zdGF0ZSk7 CisKKyAgICAgICAgICAgICAgIGRybV9hdG9taWNfc2V0X2ZiX2Zvcl9wbGFuZShwbGFuZV9zdGF0 ZSwgTlVMTCk7CisgICAgICAgICAgICAgICByZXQgPSBkcm1fYXRvbWljX3NldF9jcnRjX2Zvcl9w bGFuZShwbGFuZV9zdGF0ZSwgTlVMTCk7CisgICAgICAgICAgICAgICBpZiAocmV0KQorICAgICAg ICAgICAgICAgICAgICAgICByZXR1cm4gcmV0OworICAgICAgIH0KKworICAgICAgIHJldHVybiAw OworfQorCi8qKgogICAqIGRybV9hdG9taWNfaGVscGVyX2NoZWNrX21vZGVzZXQgLSB2YWxpZGF0 ZSBzdGF0ZSBvYmplY3QgZm9yIG1vZGVzZXQgCmNoYW5nZXMKICAgKiBAZGV2OiBEUk0gZGV2aWNl CkBAIC01NzAsNiArNjA0LDEwIEBAIHN0YXRpYyBlbnVtIGRybV9tb2RlX3N0YXR1cyBtb2RlX3Zh bGlkX3BhdGgoc3RydWN0IApkcm1fY29ubmVjdG9yICpjb25uZWN0b3IsCiAgICAgICAgIGludCBp LCByZXQ7CiAgICAgICAgIHVuc2lnbmVkIGNvbm5lY3RvcnNfbWFzayA9IDA7CgorICAgICAgIHJl dCA9IHVwZGF0ZV9zaGFyZWRfcGxhbmVzKGRldiwgc3RhdGUpCisgICAgICAgaWYgKHJldCkKKyAg ICAgICAgICAgICAgIHJldHVybiByZXQ7CisKICAgICAgICAgZm9yX2VhY2hfb2xkbmV3X2NydGNf aW5fc3RhdGUoc3RhdGUsIGNydGMsIG9sZF9jcnRjX3N0YXRlLCAKbmV3X2NydGNfc3RhdGUsIGkp IHsKICAgICAgICAgICAgICAgICBib29sIGhhc19jb25uZWN0b3JzID0KICAgICAgICAgICAgICAg ICAgICAgICAgICEhbmV3X2NydGNfc3RhdGUtPmNvbm5lY3Rvcl9tYXNrOwoKV2UgaGF2ZSBhIHF1 ZXN0aW9uIGZvciBhYm92ZSB1cGRhdGVfc2hhcmVkX3BsYW5lcyBmdW5jdGlvbiwgdGhhdCBjYW4g Cmtlcm5lbCBtb2RpZnkgYWZmZWN0ZWQgcGxhbmUvY3J0YyBzdGF0ZXMgaW1wbGljaXRseSBmb3Ig c2hhcmVkIHBsYW5lcyAKZnJvbSBhbm90aGVyIGxlc3NlZT8gVGhpcyBjcmVhdGVkIGFuIGludGVy LWFjY2Vzcy1sZWFzZS1tYXN0ZXIgYmVoYXZpb3IgCmFuZCB3ZSdyZSBub3Qgc3VyZSBpZiBpdCdz IGFsbG93ZWQuIFBsZWFzZSBub3RlIHRoYXQgaWYgdGhpcyBtZXRob2Qgb2YgCmFjY2Vzc2luZyBp cyBhY2NlcHRhYmxlLCB3ZSBjYW4gbWFpbnRhaW4gdGhlIGNoYW5nZSBhdCB0aGUgdmVuZG9yIGxl dmVsIApzdWJkcml2ZXIgYW5kIGFib3ZlIGRybV9hdG9taWNfaGVscGVyX2NoZWNrX21vZGVzZXQg Y2hhbmdlcyBjYW4gYmUgCmF2b2lkZWQuCgoKIyMjIE9wdGlvbjIgIyMjOgpBbm90aGVyIGFwcHJv YWNoIGlzIHRvIGhpZGUgaGFyZHdhcmUgb3duZXJzaGlwIGluc2lkZSB2ZW5kb3IncyAKc3ViZHJp dmVyLiBJbiB0aGlzIGFwcHJvYWNoLCB0aGVyZSBhcmUgbm8gRFJNIHN0YXRlIGNoYW5nZXMgZHVy aW5nIApoYW5kb2ZmLCBvbmx5IHRoZSB2YWxpZGF0aW9uIGluIHZlbmRvciBzdWJkcml2ZXIgd2ls bCBmYWlsLCBpZiB0d28gCmNvbW1pdHMgZnJvbSBkaWZmZXJlbnQgbWFzdGVycyB0cmllZCB0byBz dGFnZSB0aGUgcGxhbmVzIHdpdGggdGhlIHNhbWUgCmgvdyBwaXBlLgoKVGhpcyBhcHByb2FjaCBk b2Vzbid0IHVzZSBEUk0gZnJhbWV3b3JrIHRvIHVwZGF0ZSB0aGUgcGxhbmUgc3RhdGVzLiAKRGV0 YWNoaW5nIG9sZCBwbGFuZSBhbmQgYXR0YWNoaW5nIG5ldyBwbGFuZSB3aWxsIGJlIGluIHR3byBk aWZmZXJlbnQgCmF0b21pYyBjb21taXRzIGZyb20gdHdvIG1hc3RlcnMgc28gbm8gaW50ZXItYWNj ZXNzLWxlYXNlLW1hc3RlciBwcm9ibGVtIApoZXJlLCBidXQgdGhpcyBhbHNvIHJlc3VsdGluZyBE Uk0gc3RhdGUgbm90IHJlZmxlY3RpbmcgdGhlIGFjdHVhbCBoL3cgCnBpcGUgc3RhdHVzIGR1cmlu ZyBoYW5kb2ZmIGNvbW1pdCwgYW5kIHZlbmRvciBzdWJkcml2ZXIgbmVlZHMgdG8gCmNoZWNrL3Vw ZGF0ZSBtb3JlIGludGVybmFsIHN0YXRlcyB0aGFuIHRoZSBhdG9taWMgc3RhdGUgaW4gdGhlIGNv bW1pdC4KCgpUaGFua3MsClhpYW93ZW4gV3UKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KRnJlZWRyZW5vIG1haWxpbmcgbGlzdApGcmVlZHJlbm9AbGlzdHMu ZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vZnJlZWRyZW5v