From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Li, Juston" Subject: Re: [RESEND PATCH v2] drm: Add getfb2 ioctl Date: Mon, 14 Oct 2019 16:21:30 +0000 Message-ID: <5685d97fdaeefea76d58702afccccfa44fe7058a.camel@intel.com> References: <20191003183125.4520-1-juston.li@intel.com> <20191009155054.GM16989@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20191009155054.GM16989@phenom.ffwll.local> Content-Language: en-US Content-ID: <7F0C6BA00EBFE54E8574CB15F9825E10@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "daniel@ffwll.ch" Cc: "intel-gfx@lists.freedesktop.org" , "daniels@collabora.com" , "dri-devel@lists.freedesktop.org" List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCAyMDE5LTEwLTA5IGF0IDE3OjUwICswMjAwLCBEYW5pZWwgVmV0dGVyIHdyb3RlOg0K PiBPbiBUaHUsIE9jdCAwMywgMjAxOSBhdCAxMTozMToyNUFNIC0wNzAwLCBKdXN0b24gTGkgd3Jv dGU6DQo+ID4gRnJvbTogRGFuaWVsIFN0b25lIDxkYW5pZWxzQGNvbGxhYm9yYS5jb20+DQo+ID4g DQo+ID4gZ2V0ZmIyIGFsbG93cyB1cyB0byBwYXNzIG11bHRpcGxlIHBsYW5lcyBhbmQgbW9kaWZp ZXJzLCBqdXN0IGxpa2UNCj4gPiBhZGRmYjINCj4gPiBvdmVyIGFkZGZiLg0KPiA+IA0KPiA+IENo YW5nZXMgc2luY2UgdjE6DQo+ID4gIC0gdW51c2VkIG1vZGlmaWVycyBzZXQgdG8gMCBpbnN0ZWFk IG9mIERSTV9GT1JNQVRfTU9EX0lOVkFMSUQNCj4gPiAgLSB1cGRhdGUgaW9jdGwgbnVtYmVyDQo+ ID4gDQo+ID4gU2lnbmVkLW9mZi1ieTogRGFuaWVsIFN0b25lIDxkYW5pZWxzQGNvbGxhYm9yYS5j b20+DQo+ID4gU2lnbmVkLW9mZi1ieTogSnVzdG9uIExpIDxqdXN0b24ubGlAaW50ZWwuY29tPg0K PiANCj4gTG9va3MgYWxsIGdvb2QgZnJvbSBhIHZlcnkgcXVpY2sgZ2xhbmNlIChrZXJuZWwsIGxp YmRybSwgaWd0KSwgYnV0DQo+IHdoZXJlJ3MNCj4gdGhlIHVzZXJzcGFjZT8gTGluayB0byB3ZXN0 b24vZHJtX2h3Yy93aGF0ZXZlciBNUiBnb29kIGVub3VnaC4NCj4gLURhbmllbA0KDQpNeSB1c2Ug Y2FzZSBpcyBhIHNjcmVlbnNob3QgdXRpbGl0eSBpbiBjaHJvbWl1b21vcyB0aGF0IGJyZWFrcyB3 aXRoIHktDQp0aWxlZCBjY3MgZW5hYmxlZC4NClJldmlldyBsaW5rZWQgaXMganVzdCBXSVAgaGFj ayBmb3Igbm93IHNpbmNlIGl0IGRlcGVuZHMgb24gdGhpcw0KbWVyZ2luZzoNCmh0dHBzOi8vY2hy b21pdW0tcmV2aWV3Lmdvb2dsZXNvdXJjZS5jb20vYy9jaHJvbWl1bW9zL3BsYXRmb3JtMi8rLzE4 MTUxNDYNCg0KVGhhbmtzDQpKdXN0b24NCg0KPiA+IC0tLQ0KPiA+ICBkcml2ZXJzL2dwdS9kcm0v ZHJtX2NydGNfaW50ZXJuYWwuaCB8ICAgMiArDQo+ID4gIGRyaXZlcnMvZ3B1L2RybS9kcm1fZnJh bWVidWZmZXIuYyAgIHwgMTEwDQo+ID4gKysrKysrKysrKysrKysrKysrKysrKysrKysrKw0KPiA+ ICBkcml2ZXJzL2dwdS9kcm0vZHJtX2lvY3RsLmMgICAgICAgICB8ICAgMSArDQo+ID4gIGluY2x1 ZGUvdWFwaS9kcm0vZHJtLmggICAgICAgICAgICAgIHwgICAyICsNCj4gPiAgNCBmaWxlcyBjaGFu Z2VkLCAxMTUgaW5zZXJ0aW9ucygrKQ0KPiA+IA0KPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dw dS9kcm0vZHJtX2NydGNfaW50ZXJuYWwuaA0KPiA+IGIvZHJpdmVycy9ncHUvZHJtL2RybV9jcnRj X2ludGVybmFsLmgNCj4gPiBpbmRleCBjN2Q1ZTRjMjE0MjMuLjE2ZjI0MTM0MDNhYSAxMDA2NDQN Cj4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2NydGNfaW50ZXJuYWwuaA0KPiA+ICsrKyBi L2RyaXZlcnMvZ3B1L2RybS9kcm1fY3J0Y19pbnRlcm5hbC5oDQo+ID4gQEAgLTIxNiw2ICsyMTYs OCBAQCBpbnQgZHJtX21vZGVfcm1mYl9pb2N0bChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LA0KPiA+ ICAJCQl2b2lkICpkYXRhLCBzdHJ1Y3QgZHJtX2ZpbGUgKmZpbGVfcHJpdik7DQo+ID4gIGludCBk cm1fbW9kZV9nZXRmYihzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LA0KPiA+ICAJCSAgIHZvaWQgKmRh dGEsIHN0cnVjdCBkcm1fZmlsZSAqZmlsZV9wcml2KTsNCj4gPiAraW50IGRybV9tb2RlX2dldGZi Ml9pb2N0bChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LA0KPiA+ICsJCQkgIHZvaWQgKmRhdGEsIHN0 cnVjdCBkcm1fZmlsZSAqZmlsZV9wcml2KTsNCj4gPiAgaW50IGRybV9tb2RlX2RpcnR5ZmJfaW9j dGwoc3RydWN0IGRybV9kZXZpY2UgKmRldiwNCj4gPiAgCQkJICAgdm9pZCAqZGF0YSwgc3RydWN0 IGRybV9maWxlICpmaWxlX3ByaXYpOw0KPiA+ICANCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9n cHUvZHJtL2RybV9mcmFtZWJ1ZmZlci5jDQo+ID4gYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2ZyYW1l YnVmZmVyLmMNCj4gPiBpbmRleCA1NzU2NDMxOGNlZWEuLjZkYjU0ZjE3NzQ0MyAxMDA2NDQNCj4g PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2ZyYW1lYnVmZmVyLmMNCj4gPiArKysgYi9kcml2 ZXJzL2dwdS9kcm0vZHJtX2ZyYW1lYnVmZmVyLmMNCj4gPiBAQCAtMzEsNiArMzEsNyBAQA0KPiA+ ICAjaW5jbHVkZSA8ZHJtL2RybV9maWxlLmg+DQo+ID4gICNpbmNsdWRlIDxkcm0vZHJtX2ZvdXJj Yy5oPg0KPiA+ICAjaW5jbHVkZSA8ZHJtL2RybV9mcmFtZWJ1ZmZlci5oPg0KPiA+ICsjaW5jbHVk ZSA8ZHJtL2RybV9nZW0uaD4NCj4gPiAgI2luY2x1ZGUgPGRybS9kcm1fcHJpbnQuaD4NCj4gPiAg I2luY2x1ZGUgPGRybS9kcm1fdXRpbC5oPg0KPiA+ICANCj4gPiBAQCAtNTQ4LDcgKzU0OSwxMTYg QEAgaW50IGRybV9tb2RlX2dldGZiKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsDQo+ID4gIA0KPiA+ ICBvdXQ6DQo+ID4gIAlkcm1fZnJhbWVidWZmZXJfcHV0KGZiKTsNCj4gPiArCXJldHVybiByZXQ7 DQo+ID4gK30NCj4gPiArDQo+ID4gKy8qKg0KPiA+ICsgKiBkcm1fbW9kZV9nZXRmYjIgLSBnZXQg ZXh0ZW5kZWQgRkIgaW5mbw0KPiA+ICsgKiBAZGV2OiBkcm0gZGV2aWNlIGZvciB0aGUgaW9jdGwN Cj4gPiArICogQGRhdGE6IGRhdGEgcG9pbnRlciBmb3IgdGhlIGlvY3RsDQo+ID4gKyAqIEBmaWxl X3ByaXY6IGRybSBmaWxlIGZvciB0aGUgaW9jdGwgY2FsbA0KPiA+ICsgKg0KPiA+ICsgKiBMb29r dXAgdGhlIEZCIGdpdmVuIGl0cyBJRCBhbmQgcmV0dXJuIGluZm8gYWJvdXQgaXQuDQo+ID4gKyAq DQo+ID4gKyAqIENhbGxlZCBieSB0aGUgdXNlciB2aWEgaW9jdGwuDQo+ID4gKyAqDQo+ID4gKyAq IFJldHVybnM6DQo+ID4gKyAqIFplcm8gb24gc3VjY2VzcywgbmVnYXRpdmUgZXJybm8gb24gZmFp bHVyZS4NCj4gPiArICovDQo+ID4gK2ludCBkcm1fbW9kZV9nZXRmYjJfaW9jdGwoc3RydWN0IGRy bV9kZXZpY2UgKmRldiwNCj4gPiArCQkJICB2b2lkICpkYXRhLCBzdHJ1Y3QgZHJtX2ZpbGUgKmZp bGVfcHJpdikNCj4gPiArew0KPiA+ICsJc3RydWN0IGRybV9tb2RlX2ZiX2NtZDIgKnIgPSBkYXRh Ow0KPiA+ICsJc3RydWN0IGRybV9mcmFtZWJ1ZmZlciAqZmI7DQo+ID4gKwl1bnNpZ25lZCBpbnQg aTsNCj4gPiArCWludCByZXQ7DQo+ID4gKw0KPiA+ICsJaWYgKCFkcm1fY29yZV9jaGVja19mZWF0 dXJlKGRldiwgRFJJVkVSX01PREVTRVQpKQ0KPiA+ICsJCXJldHVybiAtRUlOVkFMOw0KPiA+ICsN Cj4gPiArCWZiID0gZHJtX2ZyYW1lYnVmZmVyX2xvb2t1cChkZXYsIGZpbGVfcHJpdiwgci0+ZmJf aWQpOw0KPiA+ICsJaWYgKCFmYikNCj4gPiArCQlyZXR1cm4gLUVOT0VOVDsNCj4gPiArDQo+ID4g KwkvKiBGb3IgbXVsdGktcGxhbmUgZnJhbWVidWZmZXJzLCB3ZSByZXF1aXJlIHRoZSBkcml2ZXIg dG8gcGxhY2UNCj4gPiB0aGUNCj4gPiArCSAqIEdFTSBvYmplY3RzIGRpcmVjdGx5IGluIHRoZSBk cm1fZnJhbWVidWZmZXIuIEZvciBzaW5nbGUtDQo+ID4gcGxhbmUNCj4gPiArCSAqIGZyYW1lYnVm ZmVycywgd2UgY2FuIGZhbGwgYmFjayB0byBjcmVhdGVfaGFuZGxlLg0KPiA+ICsJICovDQo+ID4g KwlpZiAoIWZiLT5vYmpbMF0gJiYNCj4gPiArCSAgICAoZmItPmZvcm1hdC0+bnVtX3BsYW5lcyA+ IDEgfHwgIWZiLT5mdW5jcy0+Y3JlYXRlX2hhbmRsZSkpDQo+ID4gew0KPiA+ICsJCXJldCA9IC1F Tk9ERVY7DQo+ID4gKwkJZ290byBvdXQ7DQo+ID4gKwl9DQo+ID4gKw0KPiA+ICsJci0+aGVpZ2h0 ID0gZmItPmhlaWdodDsNCj4gPiArCXItPndpZHRoID0gZmItPndpZHRoOw0KPiA+ICsJci0+cGl4 ZWxfZm9ybWF0ID0gZmItPmZvcm1hdC0+Zm9ybWF0Ow0KPiA+ICsNCj4gPiArCXItPmZsYWdzID0g MDsNCj4gPiArCWlmIChkZXYtPm1vZGVfY29uZmlnLmFsbG93X2ZiX21vZGlmaWVycykNCj4gPiAr CQlyLT5mbGFncyB8PSBEUk1fTU9ERV9GQl9NT0RJRklFUlM7DQo+ID4gKw0KPiA+ICsJZm9yIChp ID0gMDsgaSA8IEFSUkFZX1NJWkUoci0+aGFuZGxlcyk7IGkrKykgew0KPiA+ICsJCXItPmhhbmRs ZXNbaV0gPSAwOw0KPiA+ICsJCXItPnBpdGNoZXNbaV0gPSAwOw0KPiA+ICsJCXItPm9mZnNldHNb aV0gPSAwOw0KPiA+ICsJCXItPm1vZGlmaWVyW2ldID0gMDsNCj4gPiArCX0NCj4gPiAgDQo+ID4g Kwlmb3IgKGkgPSAwOyBpIDwgZmItPmZvcm1hdC0+bnVtX3BsYW5lczsgaSsrKSB7DQo+ID4gKwkJ aW50IGo7DQo+ID4gKw0KPiA+ICsJCXItPnBpdGNoZXNbaV0gPSBmYi0+cGl0Y2hlc1tpXTsNCj4g PiArCQlyLT5vZmZzZXRzW2ldID0gZmItPm9mZnNldHNbaV07DQo+ID4gKwkJaWYgKGRldi0+bW9k ZV9jb25maWcuYWxsb3dfZmJfbW9kaWZpZXJzKQ0KPiA+ICsJCQlyLT5tb2RpZmllcltpXSA9IGZi LT5tb2RpZmllcjsNCj4gPiArDQo+ID4gKwkJLyogSWYgd2UgcmV1c2UgdGhlIHNhbWUgb2JqZWN0 IGZvciBtdWx0aXBsZSBwbGFuZXMsDQo+ID4gYWxzbw0KPiA+ICsJCSAqIHJldHVybiB0aGUgc2Ft ZSBoYW5kbGUuDQo+ID4gKwkJICovDQo+ID4gKwkJZm9yIChqID0gMDsgaiA8IGk7IGorKykgew0K PiA+ICsJCQlpZiAoZmItPm9ialtpXSA9PSBmYi0+b2JqW2pdKSB7DQo+ID4gKwkJCQlyLT5oYW5k bGVzW2ldID0gci0+aGFuZGxlc1tqXTsNCj4gPiArCQkJCWJyZWFrOw0KPiA+ICsJCQl9DQo+ID4g KwkJfQ0KPiA+ICsNCj4gPiArCQlpZiAoci0+aGFuZGxlc1tpXSkNCj4gPiArCQkJY29udGludWU7 DQo+ID4gKw0KPiA+ICsJCWlmIChmYi0+b2JqW2ldKSB7DQo+ID4gKwkJCXJldCA9IGRybV9nZW1f aGFuZGxlX2NyZWF0ZShmaWxlX3ByaXYsIGZiLQ0KPiA+ID5vYmpbaV0sDQo+ID4gKwkJCQkJCSAg ICAmci0+aGFuZGxlc1tpXSk7DQo+ID4gKwkJfSBlbHNlIHsNCj4gPiArCQkJV0FSTl9PTihpID4g MCk7DQo+ID4gKwkJCXJldCA9IGZiLT5mdW5jcy0+Y3JlYXRlX2hhbmRsZShmYiwgZmlsZV9wcml2 LA0KPiA+ICsJCQkJCQkgICAgICAgJnItPmhhbmRsZXNbaV0pOw0KPiA+ICsJCX0NCj4gPiArDQo+ ID4gKwkJaWYgKHJldCAhPSAwKQ0KPiA+ICsJCQlnb3RvIG91dDsNCj4gPiArCX0NCj4gPiArDQo+ ID4gK291dDoNCj4gPiArCWlmIChyZXQgIT0gMCkgew0KPiA+ICsJCS8qIERlbGV0ZSBhbnkgcHJl dmlvdXNseS1jcmVhdGVkIGhhbmRsZXMgb24gZmFpbHVyZS4gKi8NCj4gPiArCQlmb3IgKGkgPSAw OyBpIDwgQVJSQVlfU0laRShyLT5oYW5kbGVzKTsgaSsrKSB7DQo+ID4gKwkJCWludCBqOw0KPiA+ ICsNCj4gPiArCQkJaWYgKHItPmhhbmRsZXNbaV0pDQo+ID4gKwkJCQlkcm1fZ2VtX2hhbmRsZV9k ZWxldGUoZmlsZV9wcml2LCByLQ0KPiA+ID5oYW5kbGVzW2ldKTsNCj4gPiArDQo+ID4gKwkJCS8q IFplcm8gb3V0IGFueSBoYW5kbGVzIGlkZW50aWNhbCB0byB0aGUgb25lIHdlDQo+ID4ganVzdA0K PiA+ICsJCQkgKiBkZWxldGVkLg0KPiA+ICsJCQkgKi8NCj4gPiArCQkJZm9yIChqID0gaSArIDE7 IGogPCBBUlJBWV9TSVpFKHItPmhhbmRsZXMpOw0KPiA+IGorKykgew0KPiA+ICsJCQkJaWYgKHIt PmhhbmRsZXNbal0gPT0gci0+aGFuZGxlc1tpXSkNCj4gPiArCQkJCQlyLT5oYW5kbGVzW2pdID0g MDsNCj4gPiArCQkJfQ0KPiA+ICsJCX0NCj4gPiArCX0NCj4gPiArDQo+ID4gKwlkcm1fZnJhbWVi dWZmZXJfcHV0KGZiKTsNCj4gPiAgCXJldHVybiByZXQ7DQo+ID4gIH0NCj4gPiAgDQo+ID4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1faW9jdGwuYw0KPiA+IGIvZHJpdmVycy9ncHUv ZHJtL2RybV9pb2N0bC5jDQo+ID4gaW5kZXggZmNkNzI4ZDdjZjcyLi5iMWZhZmNlM2FkOGMgMTAw NjQ0DQo+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2RybV9pb2N0bC5jDQo+ID4gKysrIGIvZHJp dmVycy9ncHUvZHJtL2RybV9pb2N0bC5jDQo+ID4gQEAgLTY3MSw2ICs2NzEsNyBAQCBzdGF0aWMg Y29uc3Qgc3RydWN0IGRybV9pb2N0bF9kZXNjIGRybV9pb2N0bHNbXQ0KPiA+ID0gew0KPiA+ICAJ RFJNX0lPQ1RMX0RFRihEUk1fSU9DVExfTU9ERV9TRVRQUk9QRVJUWSwNCj4gPiBkcm1fY29ubmVj dG9yX3Byb3BlcnR5X3NldF9pb2N0bCwgRFJNX01BU1RFUiksDQo+ID4gIAlEUk1fSU9DVExfREVG KERSTV9JT0NUTF9NT0RFX0dFVFBST1BCTE9CLA0KPiA+IGRybV9tb2RlX2dldGJsb2JfaW9jdGws IDApLA0KPiA+ICAJRFJNX0lPQ1RMX0RFRihEUk1fSU9DVExfTU9ERV9HRVRGQiwgZHJtX21vZGVf Z2V0ZmIsIDApLA0KPiA+ICsJRFJNX0lPQ1RMX0RFRihEUk1fSU9DVExfTU9ERV9HRVRGQjIsIGRy bV9tb2RlX2dldGZiMl9pb2N0bCwgMCksDQo+ID4gIAlEUk1fSU9DVExfREVGKERSTV9JT0NUTF9N T0RFX0FEREZCLCBkcm1fbW9kZV9hZGRmYl9pb2N0bCwgMCksDQo+ID4gIAlEUk1fSU9DVExfREVG KERSTV9JT0NUTF9NT0RFX0FEREZCMiwgZHJtX21vZGVfYWRkZmIyX2lvY3RsLCAwKSwNCj4gPiAg CURSTV9JT0NUTF9ERUYoRFJNX0lPQ1RMX01PREVfUk1GQiwgZHJtX21vZGVfcm1mYl9pb2N0bCwg MCksDQo+ID4gZGlmZiAtLWdpdCBhL2luY2x1ZGUvdWFwaS9kcm0vZHJtLmggYi9pbmNsdWRlL3Vh cGkvZHJtL2RybS5oDQo+ID4gaW5kZXggOGE1YjJmOGY4ZWI5Li4wMjFmMzM2NzViYTIgMTAwNjQ0 DQo+ID4gLS0tIGEvaW5jbHVkZS91YXBpL2RybS9kcm0uaA0KPiA+ICsrKyBiL2luY2x1ZGUvdWFw aS9kcm0vZHJtLmgNCj4gPiBAQCAtOTQ3LDYgKzk0Nyw4IEBAIGV4dGVybiAiQyIgew0KPiA+ICAj ZGVmaW5lIERSTV9JT0NUTF9TWU5DT0JKX1RSQU5TRkVSCURSTV9JT1dSKDB4Q0MsIHN0cnVjdA0K PiA+IGRybV9zeW5jb2JqX3RyYW5zZmVyKQ0KPiA+ICAjZGVmaW5lIERSTV9JT0NUTF9TWU5DT0JK X1RJTUVMSU5FX1NJR05BTAlEUk1fSU9XUigweENELCBzdHJ1Y3QNCj4gPiBkcm1fc3luY29ial90 aW1lbGluZV9hcnJheSkNCj4gPiAgDQo+ID4gKyNkZWZpbmUgRFJNX0lPQ1RMX01PREVfR0VURkIy CQlEUk1fSU9XUigweENFLCBzdHJ1Y3QNCj4gPiBkcm1fbW9kZV9mYl9jbWQyKQ0KPiA+ICsNCj4g PiAgLyoqDQo+ID4gICAqIERldmljZSBzcGVjaWZpYyBpb2N0bHMgc2hvdWxkIG9ubHkgYmUgaW4g dGhlaXIgcmVzcGVjdGl2ZQ0KPiA+IGhlYWRlcnMNCj4gPiAgICogVGhlIGRldmljZSBzcGVjaWZp YyBpb2N0bCByYW5nZSBpcyBmcm9tIDB4NDAgdG8gMHg5Zi4NCj4gPiAtLSANCj4gPiAyLjIxLjAN Cj4gPiANCj4gPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f Xw0KPiA+IGRyaS1kZXZlbCBtYWlsaW5nIGxpc3QNCj4gPiBkcmktZGV2ZWxAbGlzdHMuZnJlZWRl c2t0b3Aub3JnDQo+ID4gaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9kcmktZGV2ZWwNCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVs LWdmeA==