From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhi Wang Subject: [RFC 1/7] drm/i915: Introduce a bitmap to indicate available PPAT entries Date: Wed, 16 Aug 2017 05:31:09 +0800 Message-ID: <1502832675-6123-2-git-send-email-zhi.a.wang@intel.com> References: <1502832675-6123-1-git-send-email-zhi.a.wang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1502832675-6123-1-git-send-email-zhi.a.wang@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org VG8gaW50cm9kdWNlIHRoZSBkeW5hbWljIHByaXZhdGUgUEFUIG1hbmFnZW1lbnQgaW4gR1ZULWcs IHRoZSBob3N0IGk5MTUKaXMgcmVxdWlyZWQgdG8gdGVsbCBHVlQtZyB0aGUgdW51c2VkIFBBVCBl bnRyaWVzLiBUaGUgYXZhaWxhYmxlIFBQQVQKZW50cmllcyBhcmUgc2hvd2VkIGluIGEgYml0bWFw LiBGb3IgcGxhdGZvcm1zIHdoaWNoIGRvbid0IGhhdmUgcHJpdmF0ZQpQQVQsIHRoZSBiaXRtYXAg aXMgc2V0IHRvICJlbXB0eSIsIHNvIEdWVC1nIHdpbGwgbm90IGVuYWJsZSBwcml2YXRlIFBBVApt YW5hZ2VtZW50IGZ1bmN0aW9uLgoKU2lnbmVkLW9mZi1ieTogWmhpIFdhbmcgPHpoaS5hLndhbmdA aW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmggICAgIHwgIDMg KysrCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYyB8IDEzICsrKysrKysrKysr Ky0KIDIgZmlsZXMgY2hhbmdlZCwgMTUgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQoKZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmggYi9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X2Rydi5oCmluZGV4IDc2OGE5MmIuLjc5ZmM2ODAgMTAwNjQ0Ci0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aTkxNV9kcnYuaApAQCAtMjMwMiw2ICsyMzAyLDkgQEAgc3RydWN0IGRybV9pOTE1X3ByaXZhdGUg ewogCURFQ0xBUkVfSEFTSFRBQkxFKG1tX3N0cnVjdHMsIDcpOwogCXN0cnVjdCBtdXRleCBtbV9s b2NrOwogCisjZGVmaW5lIE1BWF9QUEFUX0lOREVYIDgKKwlERUNMQVJFX0JJVE1BUChhdmFpbF9w cGF0X2JpdG1hcCwgTUFYX1BQQVRfSU5ERVgpOworCiAJLyogS2VybmVsIE1vZGVzZXR0aW5nICov CiAKIAlzdHJ1Y3QgaW50ZWxfY3J0YyAqcGxhbmVfdG9fY3J0Y19tYXBwaW5nW0k5MTVfTUFYX1BJ UEVTXTsKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMKaW5kZXggMDkwY2ViNy4uYjk2NjVi NyAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMKKysrIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMKQEAgLTI3NTgsNyArMjc1OCw3IEBA IHN0YXRpYyB2b2lkIGJkd19zZXR1cF9wcml2YXRlX3BwYXQoc3RydWN0IGRybV9pOTE1X3ByaXZh dGUgKmRldl9wcml2KQogCSAgICAgIEdFTjhfUFBBVCg2LCBHRU44X1BQQVRfV0IgfCBHRU44X1BQ QVRfTExDRUxMQyB8IEdFTjhfUFBBVF9BR0UoMikpIHwKIAkgICAgICBHRU44X1BQQVQoNywgR0VO OF9QUEFUX1dCIHwgR0VOOF9QUEFUX0xMQ0VMTEMgfCBHRU44X1BQQVRfQUdFKDMpKTsKIAotCWlm ICghVVNFU19QUEdUVChkZXZfcHJpdikpCisJaWYgKCFVU0VTX1BQR1RUKGRldl9wcml2KSkgewog CQkvKiBTcGVjOiAiRm9yIEdHVFQsIHRoZXJlIGlzIE5PIHBhdF9zZWxbMjowXSBmcm9tIHRoZSBl bnRyeSwKIAkJICogc28gUlRMIHdpbGwgYWx3YXlzIHVzZSB0aGUgdmFsdWUgY29ycmVzcG9uZGlu ZyB0bwogCQkgKiBwYXRfc2VsID0gMDAwIi4KQEAgLTI3NzQsNiArMjc3NCwxNyBAQCBzdGF0aWMg dm9pZCBiZHdfc2V0dXBfcHJpdmF0ZV9wcGF0KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZf cHJpdikKIAkJICovCiAJCXBhdCA9IEdFTjhfUFBBVCgwLCBHRU44X1BQQVRfVUMpOwogCisJCXNl dF9iaXQoMSwgZGV2X3ByaXYtPmF2YWlsX3BwYXRfYml0bWFwKTsKKwkJc2V0X2JpdCgyLCBkZXZf cHJpdi0+YXZhaWxfcHBhdF9iaXRtYXApOworCQlzZXRfYml0KDMsIGRldl9wcml2LT5hdmFpbF9w cGF0X2JpdG1hcCk7CisJfQorCisJLyogUFBBVCBlbnRyaWVzIDQgLSA3IGFyZSB1bnVzZWQsIG1h cmsgdGhlbSBhdmFpbGFibGUgKi8KKwlzZXRfYml0KDQsIGRldl9wcml2LT5hdmFpbF9wcGF0X2Jp dG1hcCk7CisJc2V0X2JpdCg1LCBkZXZfcHJpdi0+YXZhaWxfcHBhdF9iaXRtYXApOworCXNldF9i aXQoNiwgZGV2X3ByaXYtPmF2YWlsX3BwYXRfYml0bWFwKTsKKwlzZXRfYml0KDcsIGRldl9wcml2 LT5hdmFpbF9wcGF0X2JpdG1hcCk7CisKIAkvKiBYWFg6IHNwZWMgZGVmaW5lcyB0aGlzIGFzIDIg ZGlzdGluY3QgcmVnaXN0ZXJzLiBJdCdzIHVuY2xlYXIgaWYgYSA2NGIKIAkgKiB3cml0ZSB3b3Vs ZCB3b3JrLiAqLwogCUk5MTVfV1JJVEUoR0VOOF9QUklWQVRFX1BBVF9MTywgcGF0KTsKLS0gCjIu Ny40CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK