From mboxrd@z Thu Jan 1 00:00:00 1970 From: Deepak S Subject: Re: [PATCH v2] drm/i915: Fallback to using unmappable memory for scanout Date: Thu, 19 Mar 2015 18:31:04 +0530 Message-ID: <550AC890.2010306@linux.intel.com> References: <550AAAAC.8000200@linux.intel.com> <1426764580-26197-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 3BE626E26F for ; Thu, 19 Mar 2015 06:04:09 -0700 (PDT) In-Reply-To: <1426764580-26197-1-git-send-email-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org Cc: Daniel Vetter , "Satyanantha, Rama Gopal M" List-Id: intel-gfx@lists.freedesktop.org CgpPbiBUaHVyc2RheSAxOSBNYXJjaCAyMDE1IDA0OjU5IFBNLCBDaHJpcyBXaWxzb24gd3JvdGU6 Cj4gVGhlIGV4aXN0aW5nIEFCSSBzYXlzIHRoYXQgc2Nhbm91dHMgYXJlIHBpbm5lZCBpbnRvIHRo ZSBtYXBwYWJsZSByZWdpb24KPiBzbyB0aGF0IGxlZ2FjeSBjbGllbnRzIChlLmcuIG9sZCBYb3Jn IG9yIHBseW1vdXRoZCkgY2FuIHdyaXRlIGRpcmVjdGx5Cj4gaW50byB0aGUgc2Nhbm91dCB0aHJv dWdoIGEgR1RUIG1hcHBpbmcuIEhvd2V2ZXIgaWYgdGhlIHN1cmZhY2UgZG9lcyBub3QKPiBmaXQg aW50byB0aGUgbWFwcGFibGUgcmVnaW9uLCB3ZSBhcmUgYmV0dGVyIG9mZiBqdXN0IHRyeWluZyB0 byBmaXQgaXQKPiBhbnl3aGVyZSBhbmQgaG9waW5nIGZvciB0aGUgYmVzdC4gKEFueSB1c2Vyc3Bh Y2UgdGhhdCBpcyBjYXBwYWJsZSBvZgo+IHVzaW5nIGdpbm9ybW91cyBzY2Fub3V0cyBpcyBhbHNv IGxpa2VseSBub3QgdG8gcmVseSBvbiBwdXJlIEdUVAo+IHVwZGF0ZXMuKSBJbiB0aGUgZnV0dXJl LCB0aGVyZSBtYXkgZXZlbiBiZSBhIGtlcm5lbCBtZWRpYXRlZCBtZXRob2QgZm9yCj4gdGhlIGxl Z2FjeSBjbGllbnRzLgo+Cj4gdjI6IFNraXAgZmVuY2UgcGlubmluZyB3aGVuIG5vdCBtYXBwYWJs ZS4KPgo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNv LnVrPgo+IENjOiBTYXR5YW5hbnRoYSwgUmFtYSBHb3BhbCBNIDxyYW1hLmdvcGFsLm0uc2F0eWFu YW50aGFAaW50ZWwuY29tPgo+IENjOiBEZWVwYWsgUyA8ZGVlcGFrLnNAbGludXguaW50ZWwuY29t Pgo+IENjOiBEYW1pZW4gTGVzcGlhdSA8ZGFtaWVuLmxlc3BpYXVAaW50ZWwuY29tPgo+IENjOiBE YW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVyQGZmd2xsLmNoPgo+IC0tLQo+ICAgZHJpdmVycy9n cHUvZHJtL2k5MTUvaTkxNV9nZW0uYyAgICAgIHwgIDcgKysrKysrLQo+ICAgZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jIHwgMjMgKysrKysrKysrKysrKy0tLS0tLS0tLS0KPiAg IDIgZmlsZXMgY2hhbmdlZCwgMTkgaW5zZXJ0aW9ucygrKSwgMTEgZGVsZXRpb25zKC0pCj4KPiBk aWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2k5MTVfZ2VtLmMKPiBpbmRleCA5ZTQ5OGUwYmJmMjIuLjlhMWRlODQ4ZTQ1MCAx MDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCj4gKysrIGIvZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+IEBAIC00MDM0LDEwICs0MDM0LDE1IEBAIGk5 MTVfZ2VtX29iamVjdF9waW5fdG9fZGlzcGxheV9wbGFuZShzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29i amVjdCAqb2JqLAo+ICAgCj4gICAJLyogQXMgdGhlIHVzZXIgbWF5IG1hcCB0aGUgYnVmZmVyIG9u Y2UgcGlubmVkIGluIHRoZSBkaXNwbGF5IHBsYW5lCj4gICAJICogKGUuZy4gbGlia21zIGZvciB0 aGUgYm9vdHVwIHNwbGFzaCksIHdlIGhhdmUgdG8gZW5zdXJlIHRoYXQgd2UKPiAtCSAqIGFsd2F5 cyB1c2UgbWFwX2FuZF9mZW5jZWFibGUgZm9yIGFsbCBzY2Fub3V0IGJ1ZmZlcnMuCj4gKwkgKiBh bHdheXMgdXNlIG1hcF9hbmRfZmVuY2VhYmxlIGZvciBhbGwgc2Nhbm91dCBidWZmZXJzLiBIb3dl dmVyLAo+ICsJICogaXQgbWF5IHNpbXBseSBiZSB0b28gYmlnIHRvIGZpdCBpbnRvIG1hcHBhYmxl LCBpbiB3aGljaCBjYXNlCj4gKwkgKiBwdXQgaXQgYW55d2F5IGFuZCBob3BlIHRoYXQgdXNlcnNw YWNlIGNhbiBjb3BlIChidXQgYWx3YXlzIGZpcnN0Cj4gKwkgKiB0cnkgdG8gcHJlc2VydmUgdGhl IGV4aXN0aW5nIEFCSSkuCj4gICAJICovCj4gICAJcmV0ID0gaTkxNV9nZW1fb2JqX2dndHRfcGlu KG9iaiwgYWxpZ25tZW50LCBQSU5fTUFQUEFCTEUpOwo+ICAgCWlmIChyZXQpCj4gKwkJcmV0ID0g aTkxNV9nZW1fb2JqX2dndHRfcGluKG9iaiwgYWxpZ25tZW50LCAwKTsKPiArCWlmIChyZXQpCj4g ICAJCWdvdG8gZXJyX3VucGluX2Rpc3BsYXk7Cj4gICAKPiAgIAlpOTE1X2dlbV9vYmplY3RfZmx1 c2hfY3B1X3dyaXRlX2RvbWFpbihvYmopOwo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kaXNwbGF5LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5 LmMKPiBpbmRleCBkNjIxZWJlY2QzM2UuLjYyOGFhY2U2M2I0MyAxMDA2NDQKPiAtLS0gYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kaXNwbGF5LmMKPiBAQCAtMjMwOCwxNiArMjMwOCwxOCBAQCBpbnRlbF9waW5f YW5kX2ZlbmNlX2ZiX29iaihzdHJ1Y3QgZHJtX3BsYW5lICpwbGFuZSwKPiAgIAlpZiAocmV0KQo+ ICAgCQlnb3RvIGVycl9pbnRlcnJ1cHRpYmxlOwo+ICAgCj4gLQkvKiBJbnN0YWxsIGEgZmVuY2Ug Zm9yIHRpbGVkIHNjYW4tb3V0LiBQcmUtaTk2NSBhbHdheXMgbmVlZHMgYQo+IC0JICogZmVuY2Us IHdoZXJlYXMgOTY1KyBvbmx5IHJlcXVpcmVzIGEgZmVuY2UgaWYgdXNpbmcKPiAtCSAqIGZyYW1l YnVmZmVyIGNvbXByZXNzaW9uLiAgRm9yIHNpbXBsaWNpdHksIHdlIGFsd2F5cyBpbnN0YWxsCj4g LQkgKiBhIGZlbmNlIGFzIHRoZSBjb3N0IGlzIG5vdCB0aGF0IG9uZXJvdXMuCj4gLQkgKi8KPiAt CXJldCA9IGk5MTVfZ2VtX29iamVjdF9nZXRfZmVuY2Uob2JqKTsKPiAtCWlmIChyZXQpCj4gLQkJ Z290byBlcnJfdW5waW47Cj4gKwlpZiAob2JqLT5tYXBfYW5kX2ZlbmNlYWJsZSkgewo+ICsJCS8q IEluc3RhbGwgYSBmZW5jZSBmb3IgdGlsZWQgc2Nhbi1vdXQuIFByZS1pOTY1IGFsd2F5cyBuZWVk cyBhCj4gKwkJICogZmVuY2UsIHdoZXJlYXMgOTY1KyBvbmx5IHJlcXVpcmVzIGEgZmVuY2UgaWYg dXNpbmcKPiArCQkgKiBmcmFtZWJ1ZmZlciBjb21wcmVzc2lvbi4gIEZvciBzaW1wbGljaXR5LCB3 ZSBhbHdheXMsIHdoZW4KPiArCQkgKiBwb3NzaWJsZSwgaW5zdGFsbCBhIGZlbmNlIGFzIHRoZSBj b3N0IGlzIG5vdCB0aGF0IG9uZXJvdXMuCj4gKwkJICovCj4gKwkJcmV0ID0gaTkxNV9nZW1fb2Jq ZWN0X2dldF9mZW5jZShvYmopOwo+ICsJCWlmIChyZXQpCj4gKwkJCWdvdG8gZXJyX3VucGluOwo+ ICAgCj4gLQlpOTE1X2dlbV9vYmplY3RfcGluX2ZlbmNlKG9iaik7Cj4gKwkJaTkxNV9nZW1fb2Jq ZWN0X3Bpbl9mZW5jZShvYmopOwo+ICsJfQo+ICAgCj4gICAJZGV2X3ByaXYtPm1tLmludGVycnVw dGlibGUgPSB0cnVlOwo+ICAgCWludGVsX3J1bnRpbWVfcG1fcHV0KGRldl9wcml2KTsKPiBAQCAt MjMzNSw3ICsyMzM3LDggQEAgc3RhdGljIHZvaWQgaW50ZWxfdW5waW5fZmJfb2JqKHN0cnVjdCBk cm1faTkxNV9nZW1fb2JqZWN0ICpvYmopCj4gICB7Cj4gICAJV0FSTl9PTighbXV0ZXhfaXNfbG9j a2VkKCZvYmotPmJhc2UuZGV2LT5zdHJ1Y3RfbXV0ZXgpKTsKPiAgIAo+IC0JaTkxNV9nZW1fb2Jq ZWN0X3VucGluX2ZlbmNlKG9iaik7Cj4gKwlpZiAob2JqLT5tYXBfYW5kX2ZlbmNlYWJsZSkKPiAr CQlpOTE1X2dlbV9vYmplY3RfdW5waW5fZmVuY2Uob2JqKTsKPiAgIAlpOTE1X2dlbV9vYmplY3Rf dW5waW5fZnJvbV9kaXNwbGF5X3BsYW5lKG9iaik7Cj4gICB9Cj4gICAKCnNob3VsZCB3ZSBza2lw IHB1dF9mZW5jZSBpbiBvdmVybGF5X2RvX3B1dF9pbWFnZSA/CgoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRl bC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK