From mboxrd@z Thu Jan 1 00:00:00 1970 From: ankitprasad.r.sharma@intel.com Subject: [PATCH 04/10] drm/i915: Clearing buffer objects via CPU/GTT Date: Fri, 18 Mar 2016 11:52:04 +0530 Message-ID: <1458282130-31660-5-git-send-email-ankitprasad.r.sharma@intel.com> References: <1458282130-31660-1-git-send-email-ankitprasad.r.sharma@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 43A386E02C for ; Fri, 18 Mar 2016 06:46:23 +0000 (UTC) In-Reply-To: <1458282130-31660-1-git-send-email-ankitprasad.r.sharma@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 Cc: Ankitprasad Sharma , akash.goel@intel.com List-Id: intel-gfx@lists.freedesktop.org RnJvbTogQW5raXRwcmFzYWQgU2hhcm1hIDxhbmtpdHByYXNhZC5yLnNoYXJtYUBpbnRlbC5jb20+ CgpUaGlzIHBhdGNoIGFkZHMgc3VwcG9ydCBmb3IgY2xlYXJpbmcgYnVmZmVyIG9iamVjdHMgdmlh IENQVS9HVFQuIFRoaXMKaXMgcGFydGljdWxhcmx5IHVzZWZ1bCBmb3IgY2xlYXJpbmcgb3V0IHRo ZSBub24gc2htZW0gYmFja2VkIG9iamVjdHMuCkN1cnJlbnRseSBpbnRlbmQgdG8gdXNlIHRoaXMg b25seSBmb3IgYnVmZmVycyBhbGxvY2F0ZWQgZnJvbSBzdG9sZW4KcmVnaW9uLgoKdjI6IEFkZGVk IGtlcm5lbCBkb2MgZm9yIGk5MTVfZ2VtX2NsZWFyX29iamVjdCgpLCBjb3JyZWN0ZWQvcmVtb3Zl ZAp2YXJpYWJsZSBhc3NpZ25tZW50cyAoVHZydGtvKQoKdjM6IE1hcCBvYmplY3QgcGFnZSBieSBw YWdlIHRvIHRoZSBndHQgaWYgdGhlIHBpbm5pbmcgb2YgdGhlIHdob2xlIG9iamVjdAp0byB0aGUg Z2d0dCBmYWlscywgQ29ycmVjdGVkIGZ1bmN0aW9uIG5hbWUgKENocmlzKQoKdjQ6IENsZWFyIHRo ZSBidWZmZXIgcGFnZSBieSBwYWdlLCBhbmQgbm90IG1hcCB0aGUgd2hvbGUgb2JqZWN0IGluIHRo ZSBndHQKYXBlcnR1cmUuIFVzZSBpOTE1IHdyYXBwZXIgZnVuY3Rpb24gaW4gcGxhY2Ugb2YgZHJt X21tX2luc2VydF9ub2RlX2luX3JhbmdlLgoKdjU6IFVzZSByZW5hbWVkIHdyYXBwZXIgZnVuY3Rp b24gZm9yIGRybV9tbV9pbnNlcnRfbm9kZV9pbl9yYW5nZSwKdXBkYXRlZCBiYXJyaWVyIHBvc2l0 aW9uaW5nIChDaHJpcykKCnY2OiBVc2UgUEFHRV9TSVpFIGluc3RlYWQgb2YgNDA5NiwgdXNlIGdl dF9wYWdlcyBjYWxsIGJlZm9yZSBwaW5uaW5nIHBhZ2VzCihUdnJ0a28pCgp2NzogRml4ZWQgdGhl IG9uaW9uICh1bmRvIG9wZXJhdGlvbiBpbiByZXZlcnNlIG9yZGVyKSAoQ2hyaXMpCgpUZXN0Y2Fz ZTogaWd0L2dlbV9zdG9sZW4KClNpZ25lZC1vZmYtYnk6IEFua2l0cHJhc2FkIFNoYXJtYSA8YW5r aXRwcmFzYWQuci5zaGFybWFAaW50ZWwuY29tPgpSZXZpZXdlZC1ieTogVHZydGtvIFVyc3VsaW4g PHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KUmV2aWV3ZWQtYnk6IENocmlzIFdpbHNvbiA8Y2hy aXNAY2hyaXMtd2lsc29uLmNvLnVrPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2 LmggfCAgMSArCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIHwgNDcgKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysKIDIgZmlsZXMgY2hhbmdlZCwgNDggaW5z ZXJ0aW9ucygrKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2Lmgg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oCmluZGV4IDZlNTRhYWQuLmZjMjFiNTIg MTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKKysrIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaApAQCAtMjkwMyw2ICsyOTAzLDcgQEAgaW50IGk5MTVf Z2VtX29ial9wcmVwYXJlX3NobWVtX3JlYWQoc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9i aiwKIAkJCQkgICAgaW50ICpuZWVkc19jbGZsdXNoKTsKIAogaW50IF9fbXVzdF9jaGVjayBpOTE1 X2dlbV9vYmplY3RfZ2V0X3BhZ2VzKHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmopOwor aW50IGk5MTVfZ2VtX29iamVjdF9jbGVhcihzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAqb2Jq KTsKIAogc3RhdGljIGlubGluZSBpbnQgX19zZ19wYWdlX2NvdW50KHN0cnVjdCBzY2F0dGVybGlz dCAqc2cpCiB7CmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwppbmRleCBjYWFhZGFiYi4uYTAxMTZlOCAx MDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYworKysgYi9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCkBAIC01NDAwLDMgKzU0MDAsNTAgQEAgZmFpbDoKIAlk cm1fZ2VtX29iamVjdF91bnJlZmVyZW5jZSgmb2JqLT5iYXNlKTsKIAlyZXR1cm4gRVJSX1BUUihy ZXQpOwogfQorCisvKioKKyAqIGk5MTVfZ2VtX29iamVjdF9jbGVhcigpIC0gQ2xlYXIgYnVmZmVy IG9iamVjdCB2aWEgQ1BVL0dUVAorICogQG9iajogQnVmZmVyIG9iamVjdCB0byBiZSBjbGVhcmVk CisgKgorICogUmV0dXJuOiAwIC0gc3VjY2Vzcywgbm9uLXplcm8gLSBmYWlsdXJlCisgKi8KK2lu dCBpOTE1X2dlbV9vYmplY3RfY2xlYXIoc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaikK K3sKKwlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqaTkxNSA9IHRvX2k5MTUob2JqLT5iYXNlLmRl dik7CisJc3RydWN0IGRybV9tbV9ub2RlIG5vZGU7CisJY2hhciBfX2lvbWVtICpiYXNlOworCXVp bnQ2NF90IHNpemUgPSBvYmotPmJhc2Uuc2l6ZTsKKwlpbnQgcmV0LCBpOworCisJbG9ja2RlcF9h c3NlcnRfaGVsZCgmb2JqLT5iYXNlLmRldi0+c3RydWN0X211dGV4KTsKKwlyZXQgPSBpbnNlcnRf bWFwcGFibGVfbm9kZShpOTE1LCAmbm9kZSwgUEFHRV9TSVpFKTsKKwlpZiAocmV0KQorCQlyZXR1 cm4gcmV0OworCisJcmV0ID0gaTkxNV9nZW1fb2JqZWN0X2dldF9wYWdlcyhvYmopOworCWlmIChy ZXQpCisJCWdvdG8gZXJyX3JlbW92ZV9ub2RlOworCisJaTkxNV9nZW1fb2JqZWN0X3Bpbl9wYWdl cyhvYmopOworCWJhc2UgPSBpb19tYXBwaW5nX21hcF93YyhpOTE1LT5ndHQubWFwcGFibGUsIG5v ZGUuc3RhcnQpOworCisJZm9yIChpID0gMDsgaSA8IHNpemUvUEFHRV9TSVpFOyBpKyspIHsKKwkJ aTkxNS0+Z3R0LmJhc2UuaW5zZXJ0X3BhZ2UoJmk5MTUtPmd0dC5iYXNlLAorCQkJCQkgICBpOTE1 X2dlbV9vYmplY3RfZ2V0X2RtYV9hZGRyZXNzKG9iaiwgaSksCisJCQkJCSAgIG5vZGUuc3RhcnQs CisJCQkJCSAgIEk5MTVfQ0FDSEVfTk9ORSwgMCk7CisJCXdtYigpOyAvKiBmbHVzaCBtb2RpZmlj YXRpb25zIHRvIHRoZSBHR1RUIChpbnNlcnRfcGFnZSkgKi8KKwkJbWVtc2V0X2lvKGJhc2UsIDAs IFBBR0VfU0laRSk7CisJCXdtYigpOyAvKiBmbHVzaCB0aGUgd3JpdGUgYmVmb3JlIHdlIG1vZGlm eSB0aGUgR0dUVCAqLworCX0KKworCWlvX21hcHBpbmdfdW5tYXAoYmFzZSk7CisJaTkxNS0+Z3R0 LmJhc2UuY2xlYXJfcmFuZ2UoJmk5MTUtPmd0dC5iYXNlLAorCQkJbm9kZS5zdGFydCwgbm9kZS5z aXplLAorCQkJdHJ1ZSk7CisJaTkxNV9nZW1fb2JqZWN0X3VucGluX3BhZ2VzKG9iaik7CisKK2Vy cl9yZW1vdmVfbm9kZToKKwlyZW1vdmVfbWFwcGFibGVfbm9kZSgmbm9kZSk7CisJcmV0dXJuIHJl dDsKK30KLS0gCjEuOS4xCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3Rv cC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRl bC1nZngK