From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Koenig, Christian" Subject: Re: [PATCH] drm/amdgpu/{uvd,vcn}: fetch ring's read_ptr after alloc Date: Wed, 5 Jun 2019 11:16:33 +0000 Message-ID: <9bc59436-8a5d-be74-9f53-97ef17955599@amd.com> References: <1559664412-5512-1-git-send-email-shirish.s@amd.com> <1f3e3699-31ff-1806-97ea-cc8273d0380c@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1f3e3699-31ff-1806-97ea-cc8273d0380c-5C7GfCeVMHo@public.gmane.org> Content-Language: en-US Content-ID: <0E6C20DBC2486B4C944CDA219EE980FD-asWib9pRmPqcE4WynfumptQqCkab/8FMAL8bYrjMMd8@public.gmane.org> List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: "S, Shirish" , Alex Deucher Cc: "Deucher, Alexander" , "Deng, Emily" , "Liu, Leo" , "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , "Li, Ching-shih (Louis)" QW0gMDUuMDYuMTkgdW0gMDM6MzUgc2NocmllYiBTLCBTaGlyaXNoOg0KPiBIaSBBbGV4LA0KPg0K PiBPbiA2LzQvMjAxOSA5OjQzIFBNLCBBbGV4IERldWNoZXIgd3JvdGU6DQo+PiBPbiBUdWUsIEp1 biA0LCAyMDE5IGF0IDEyOjA3IFBNIFMsIFNoaXJpc2ggPFNoaXJpc2guU0BhbWQuY29tPiB3cm90 ZToNCj4+PiBbV2hhdF0NCj4+PiByZWFkcHRyIHJlYWQgYWx3YXlzIHJldHVybnMgemVybywgc2lu Y2UgbW9zdCBsaWtlbHkNCj4+PiBVVkQgYmxvY2sgaXMgZWl0aGVyIHBvd2VyIG9yIGNsb2NrIGdh dGVkLg0KPj4+DQo+Pj4gW0hvd10NCj4+PiBmZXRjaCBycHRyIGFmdGVyIGFtZGdwdV9yaW5nX2Fs bG9jKCkgd2hpY2ggaW5mb3Jtcw0KPj4+IHRoZSBwb3dlciBtYW5hZ2VtZW50IGNvZGUgdGhhdCB0 aGUgYmxvY2sgaXMgYWJvdXQgdG8gYmUNCj4+PiB1c2VkIGFuZCBoZW5jZSB0aGUgZ2F0aW5nIGlz IHR1cm5lZCBvZmYuDQo+Pj4NCj4+PiBTaWduZWQtb2ZmLWJ5OiBMb3VpcyBMaSA8Q2hpbmctc2hp aC5MaUBhbWQuY29tPg0KPj4+IFNpZ25lZC1vZmYtYnk6IFNoaXJpc2ggUyA8c2hpcmlzaC5zQGFt ZC5jb20+DQo+Pj4gLS0tDQo+Pj4gICAgZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1 X3Zjbi5jIHwgNCArKystDQo+Pj4gICAgZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvdXZkX3Y2 XzAuYyAgIHwgNSArKysrLQ0KPj4+ICAgIGRyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L3V2ZF92 N18wLmMgICB8IDUgKysrKy0NCj4+IFdoYXQgYWJvdXQgdXZkIDQuMiwgNS4wIGFuZCBWQ0UgMi4w LCAzLjAsIDQuMD8NCj4gYW1kZ3B1X3ZjZV9yaW5nX3Rlc3RfcmluZygpIGlzIHRoZSBjb21tb24g ZnVuY3Rpb24gZm9yIFZDRSAyLjAsIDMuMCAmIDQuMA0KPiBhbmQgcGF0Y2ggdGhhdCBmaXhlcyBp dCwgaXMgYWxyZWFkeSByZXZpZXdlZC4NCj4NCj4gVVZEIDQuMiAmIDUuMMKgIHVzZSBtbVVWRF9D T05URVhUX0lEIGluc3RlYWQgb2YgcmVhZHB0ciwNCj4gc28gaSBiZWxlaXZlIHRoaXMgZml4IGlz IG5vdCBhcHBsaWNhYmxlIGZvciB0aGVtLg0KDQpZZWFoLCBhZ3JlZSB0aGF0IHNob3VsZCBhY3R1 YWxseSB3b3JrIGZpbmUgZm9yIHRob3NlLg0KDQpUaGlzIHBhdGNoIGlzIFJldmlld2VkLWJ5OiBD aHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+DQoNClJlZ2FyZHMsDQpD aHJpc3RpYW4uDQoNCj4gUmVnYXJkcywNCj4gU2hpcmlzaCBTDQo+PiBBbGV4DQo+Pg0KPj4+ICAg IDMgZmlsZXMgY2hhbmdlZCwgMTEgaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlvbnMoLSkNCj4+Pg0K Pj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdmNuLmMg Yi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdmNuLmMNCj4+PiBpbmRleCAxMTg0 NTFmLi5kNzg2MDk4IDEwMDY0NA0KPj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1 L2FtZGdwdV92Y24uYw0KPj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdw dV92Y24uYw0KPj4+IEBAIC00NjgsNyArNDY4LDcgQEAgaW50IGFtZGdwdV92Y25fZGVjX3Jpbmdf dGVzdF9pYihzdHJ1Y3QgYW1kZ3B1X3JpbmcgKnJpbmcsIGxvbmcgdGltZW91dCkNCj4+PiAgICBp bnQgYW1kZ3B1X3Zjbl9lbmNfcmluZ190ZXN0X3Jpbmcoc3RydWN0IGFtZGdwdV9yaW5nICpyaW5n KQ0KPj4+ICAgIHsNCj4+PiAgICAgICAgICAgc3RydWN0IGFtZGdwdV9kZXZpY2UgKmFkZXYgPSBy aW5nLT5hZGV2Ow0KPj4+IC0gICAgICAgdWludDMyX3QgcnB0ciA9IGFtZGdwdV9yaW5nX2dldF9y cHRyKHJpbmcpOw0KPj4+ICsgICAgICAgdWludDMyX3QgcnB0cjsNCj4+PiAgICAgICAgICAgdW5z aWduZWQgaTsNCj4+PiAgICAgICAgICAgaW50IHI7DQo+Pj4NCj4+PiBAQCAtNDc2LDYgKzQ3Niw4 IEBAIGludCBhbWRncHVfdmNuX2VuY19yaW5nX3Rlc3RfcmluZyhzdHJ1Y3QgYW1kZ3B1X3Jpbmcg KnJpbmcpDQo+Pj4gICAgICAgICAgIGlmIChyKQ0KPj4+ICAgICAgICAgICAgICAgICAgIHJldHVy biByOw0KPj4+DQo+Pj4gKyAgICAgICBycHRyID0gYW1kZ3B1X3JpbmdfZ2V0X3JwdHIocmluZyk7 DQo+Pj4gKw0KPj4+ICAgICAgICAgICBhbWRncHVfcmluZ193cml0ZShyaW5nLCBWQ05fRU5DX0NN RF9FTkQpOw0KPj4+ICAgICAgICAgICBhbWRncHVfcmluZ19jb21taXQocmluZyk7DQo+Pj4NCj4+ PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvdXZkX3Y2XzAuYyBiL2Ry aXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L3V2ZF92Nl8wLmMNCj4+PiBpbmRleCBjNjFhMzE0Li4x NjY4MmI3IDEwMDY0NA0KPj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L3V2ZF92 Nl8wLmMNCj4+PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS91dmRfdjZfMC5jDQo+ Pj4gQEAgLTE3MCwxMyArMTcwLDE2IEBAIHN0YXRpYyB2b2lkIHV2ZF92Nl8wX2VuY19yaW5nX3Nl dF93cHRyKHN0cnVjdCBhbWRncHVfcmluZyAqcmluZykNCj4+PiAgICBzdGF0aWMgaW50IHV2ZF92 Nl8wX2VuY19yaW5nX3Rlc3RfcmluZyhzdHJ1Y3QgYW1kZ3B1X3JpbmcgKnJpbmcpDQo+Pj4gICAg ew0KPj4+ICAgICAgICAgICBzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldiA9IHJpbmctPmFkZXY7 DQo+Pj4gLSAgICAgICB1aW50MzJfdCBycHRyID0gYW1kZ3B1X3JpbmdfZ2V0X3JwdHIocmluZyk7 DQo+Pj4gKyAgICAgICB1aW50MzJfdCBycHRyOw0KPj4+ICAgICAgICAgICB1bnNpZ25lZCBpOw0K Pj4+ICAgICAgICAgICBpbnQgcjsNCj4+Pg0KPj4+ICAgICAgICAgICByID0gYW1kZ3B1X3Jpbmdf YWxsb2MocmluZywgMTYpOw0KPj4+ICAgICAgICAgICBpZiAocikNCj4+PiAgICAgICAgICAgICAg ICAgICByZXR1cm4gcjsNCj4+PiArDQo+Pj4gKyAgICAgICBycHRyID0gYW1kZ3B1X3JpbmdfZ2V0 X3JwdHIocmluZyk7DQo+Pj4gKw0KPj4+ICAgICAgICAgICBhbWRncHVfcmluZ193cml0ZShyaW5n LCBIRVZDX0VOQ19DTURfRU5EKTsNCj4+PiAgICAgICAgICAgYW1kZ3B1X3JpbmdfY29tbWl0KHJp bmcpOw0KPj4+DQo+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L3V2 ZF92N18wLmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS91dmRfdjdfMC5jDQo+Pj4gaW5k ZXggY2RiOTZkNC4uNzQ4MTFiMiAxMDA2NDQNCj4+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1k L2FtZGdwdS91dmRfdjdfMC5jDQo+Pj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUv dXZkX3Y3XzAuYw0KPj4+IEBAIC0xNzUsNyArMTc1LDcgQEAgc3RhdGljIHZvaWQgdXZkX3Y3XzBf ZW5jX3Jpbmdfc2V0X3dwdHIoc3RydWN0IGFtZGdwdV9yaW5nICpyaW5nKQ0KPj4+ICAgIHN0YXRp YyBpbnQgdXZkX3Y3XzBfZW5jX3JpbmdfdGVzdF9yaW5nKHN0cnVjdCBhbWRncHVfcmluZyAqcmlu ZykNCj4+PiAgICB7DQo+Pj4gICAgICAgICAgIHN0cnVjdCBhbWRncHVfZGV2aWNlICphZGV2ID0g cmluZy0+YWRldjsNCj4+PiAtICAgICAgIHVpbnQzMl90IHJwdHIgPSBhbWRncHVfcmluZ19nZXRf cnB0cihyaW5nKTsNCj4+PiArICAgICAgIHVpbnQzMl90IHJwdHI7DQo+Pj4gICAgICAgICAgIHVu c2lnbmVkIGk7DQo+Pj4gICAgICAgICAgIGludCByOw0KPj4+DQo+Pj4gQEAgLTE4NSw2ICsxODUs OSBAQCBzdGF0aWMgaW50IHV2ZF92N18wX2VuY19yaW5nX3Rlc3RfcmluZyhzdHJ1Y3QgYW1kZ3B1 X3JpbmcgKnJpbmcpDQo+Pj4gICAgICAgICAgIHIgPSBhbWRncHVfcmluZ19hbGxvYyhyaW5nLCAx Nik7DQo+Pj4gICAgICAgICAgIGlmIChyKQ0KPj4+ICAgICAgICAgICAgICAgICAgIHJldHVybiBy Ow0KPj4+ICsNCj4+PiArICAgICAgIHJwdHIgPSBhbWRncHVfcmluZ19nZXRfcnB0cihyaW5nKTsN Cj4+PiArDQo+Pj4gICAgICAgICAgIGFtZGdwdV9yaW5nX3dyaXRlKHJpbmcsIEhFVkNfRU5DX0NN RF9FTkQpOw0KPj4+ICAgICAgICAgICBhbWRncHVfcmluZ19jb21taXQocmluZyk7DQo+Pj4NCj4+ PiAtLQ0KPj4+IDIuNy40DQo+Pj4NCj4+PiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXw0KPj4+IGFtZC1nZnggbWFpbGluZyBsaXN0DQo+Pj4gYW1kLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcNCj4+PiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2FtZC1nZngNCg0KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5m by9hbWQtZ2Z4