From mboxrd@z Thu Jan 1 00:00:00 1970 From: "S, Shirish" Subject: Re: [PATCH] drm/amdgpu/{uvd,vcn}: fetch ring's read_ptr after alloc Date: Wed, 5 Jun 2019 01:35:19 +0000 Message-ID: <1f3e3699-31ff-1806-97ea-cc8273d0380c@amd.com> References: <1559664412-5512-1-git-send-email-shirish.s@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US Content-ID: <960A89F63AAF3B4C9BA4629304A2450A-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: Alex Deucher , "S, Shirish" Cc: "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , "Deng, Emily" , "Deucher, Alexander" , "Liu, Leo" , "Koenig, Christian" , "Li, Ching-shih (Louis)" SGkgQWxleCwNCg0KT24gNi80LzIwMTkgOTo0MyBQTSwgQWxleCBEZXVjaGVyIHdyb3RlOg0KPiBP biBUdWUsIEp1biA0LCAyMDE5IGF0IDEyOjA3IFBNIFMsIFNoaXJpc2ggPFNoaXJpc2guU0BhbWQu Y29tPiB3cm90ZToNCj4+IFtXaGF0XQ0KPj4gcmVhZHB0ciByZWFkIGFsd2F5cyByZXR1cm5zIHpl cm8sIHNpbmNlIG1vc3QgbGlrZWx5DQo+PiBVVkQgYmxvY2sgaXMgZWl0aGVyIHBvd2VyIG9yIGNs b2NrIGdhdGVkLg0KPj4NCj4+IFtIb3ddDQo+PiBmZXRjaCBycHRyIGFmdGVyIGFtZGdwdV9yaW5n X2FsbG9jKCkgd2hpY2ggaW5mb3Jtcw0KPj4gdGhlIHBvd2VyIG1hbmFnZW1lbnQgY29kZSB0aGF0 IHRoZSBibG9jayBpcyBhYm91dCB0byBiZQ0KPj4gdXNlZCBhbmQgaGVuY2UgdGhlIGdhdGluZyBp cyB0dXJuZWQgb2ZmLg0KPj4NCj4+IFNpZ25lZC1vZmYtYnk6IExvdWlzIExpIDxDaGluZy1zaGlo LkxpQGFtZC5jb20+DQo+PiBTaWduZWQtb2ZmLWJ5OiBTaGlyaXNoIFMgPHNoaXJpc2guc0BhbWQu Y29tPg0KPj4gLS0tDQo+PiAgIGRyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92Y24u YyB8IDQgKysrLQ0KPj4gICBkcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS91dmRfdjZfMC5jICAg fCA1ICsrKystDQo+PiAgIGRyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L3V2ZF92N18wLmMgICB8 IDUgKysrKy0NCj4gV2hhdCBhYm91dCB1dmQgNC4yLCA1LjAgYW5kIFZDRSAyLjAsIDMuMCwgNC4w Pw0KYW1kZ3B1X3ZjZV9yaW5nX3Rlc3RfcmluZygpIGlzIHRoZSBjb21tb24gZnVuY3Rpb24gZm9y IFZDRSAyLjAsIDMuMCAmIDQuMA0KYW5kIHBhdGNoIHRoYXQgZml4ZXMgaXQsIGlzIGFscmVhZHkg cmV2aWV3ZWQuDQoNClVWRCA0LjIgJiA1LjDCoCB1c2UgbW1VVkRfQ09OVEVYVF9JRCBpbnN0ZWFk IG9mIHJlYWRwdHIsDQpzbyBpIGJlbGVpdmUgdGhpcyBmaXggaXMgbm90IGFwcGxpY2FibGUgZm9y IHRoZW0uDQpSZWdhcmRzLA0KU2hpcmlzaCBTDQo+DQo+IEFsZXgNCj4NCj4+ICAgMyBmaWxlcyBj aGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQ0KPj4NCj4+IGRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdmNuLmMgYi9kcml2ZXJzL2dw dS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdmNuLmMNCj4+IGluZGV4IDExODQ1MWYuLmQ3ODYwOTgg MTAwNjQ0DQo+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdmNuLmMN Cj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92Y24uYw0KPj4gQEAg LTQ2OCw3ICs0NjgsNyBAQCBpbnQgYW1kZ3B1X3Zjbl9kZWNfcmluZ190ZXN0X2liKHN0cnVjdCBh bWRncHVfcmluZyAqcmluZywgbG9uZyB0aW1lb3V0KQ0KPj4gICBpbnQgYW1kZ3B1X3Zjbl9lbmNf cmluZ190ZXN0X3Jpbmcoc3RydWN0IGFtZGdwdV9yaW5nICpyaW5nKQ0KPj4gICB7DQo+PiAgICAg ICAgICBzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldiA9IHJpbmctPmFkZXY7DQo+PiAtICAgICAg IHVpbnQzMl90IHJwdHIgPSBhbWRncHVfcmluZ19nZXRfcnB0cihyaW5nKTsNCj4+ICsgICAgICAg dWludDMyX3QgcnB0cjsNCj4+ICAgICAgICAgIHVuc2lnbmVkIGk7DQo+PiAgICAgICAgICBpbnQg cjsNCj4+DQo+PiBAQCAtNDc2LDYgKzQ3Niw4IEBAIGludCBhbWRncHVfdmNuX2VuY19yaW5nX3Rl c3RfcmluZyhzdHJ1Y3QgYW1kZ3B1X3JpbmcgKnJpbmcpDQo+PiAgICAgICAgICBpZiAocikNCj4+ ICAgICAgICAgICAgICAgICAgcmV0dXJuIHI7DQo+Pg0KPj4gKyAgICAgICBycHRyID0gYW1kZ3B1 X3JpbmdfZ2V0X3JwdHIocmluZyk7DQo+PiArDQo+PiAgICAgICAgICBhbWRncHVfcmluZ193cml0 ZShyaW5nLCBWQ05fRU5DX0NNRF9FTkQpOw0KPj4gICAgICAgICAgYW1kZ3B1X3JpbmdfY29tbWl0 KHJpbmcpOw0KPj4NCj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS91 dmRfdjZfMC5jIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvdXZkX3Y2XzAuYw0KPj4gaW5k ZXggYzYxYTMxNC4uMTY2ODJiNyAxMDA2NDQNCj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQv YW1kZ3B1L3V2ZF92Nl8wLmMNCj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L3V2 ZF92Nl8wLmMNCj4+IEBAIC0xNzAsMTMgKzE3MCwxNiBAQCBzdGF0aWMgdm9pZCB1dmRfdjZfMF9l bmNfcmluZ19zZXRfd3B0cihzdHJ1Y3QgYW1kZ3B1X3JpbmcgKnJpbmcpDQo+PiAgIHN0YXRpYyBp bnQgdXZkX3Y2XzBfZW5jX3JpbmdfdGVzdF9yaW5nKHN0cnVjdCBhbWRncHVfcmluZyAqcmluZykN Cj4+ICAgew0KPj4gICAgICAgICAgc3RydWN0IGFtZGdwdV9kZXZpY2UgKmFkZXYgPSByaW5nLT5h ZGV2Ow0KPj4gLSAgICAgICB1aW50MzJfdCBycHRyID0gYW1kZ3B1X3JpbmdfZ2V0X3JwdHIocmlu Zyk7DQo+PiArICAgICAgIHVpbnQzMl90IHJwdHI7DQo+PiAgICAgICAgICB1bnNpZ25lZCBpOw0K Pj4gICAgICAgICAgaW50IHI7DQo+Pg0KPj4gICAgICAgICAgciA9IGFtZGdwdV9yaW5nX2FsbG9j KHJpbmcsIDE2KTsNCj4+ICAgICAgICAgIGlmIChyKQ0KPj4gICAgICAgICAgICAgICAgICByZXR1 cm4gcjsNCj4+ICsNCj4+ICsgICAgICAgcnB0ciA9IGFtZGdwdV9yaW5nX2dldF9ycHRyKHJpbmcp Ow0KPj4gKw0KPj4gICAgICAgICAgYW1kZ3B1X3Jpbmdfd3JpdGUocmluZywgSEVWQ19FTkNfQ01E X0VORCk7DQo+PiAgICAgICAgICBhbWRncHVfcmluZ19jb21taXQocmluZyk7DQo+Pg0KPj4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L3V2ZF92N18wLmMgYi9kcml2ZXJz L2dwdS9kcm0vYW1kL2FtZGdwdS91dmRfdjdfMC5jDQo+PiBpbmRleCBjZGI5NmQ0Li43NDgxMWIy IDEwMDY0NA0KPj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvdXZkX3Y3XzAuYw0K Pj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvdXZkX3Y3XzAuYw0KPj4gQEAgLTE3 NSw3ICsxNzUsNyBAQCBzdGF0aWMgdm9pZCB1dmRfdjdfMF9lbmNfcmluZ19zZXRfd3B0cihzdHJ1 Y3QgYW1kZ3B1X3JpbmcgKnJpbmcpDQo+PiAgIHN0YXRpYyBpbnQgdXZkX3Y3XzBfZW5jX3Jpbmdf dGVzdF9yaW5nKHN0cnVjdCBhbWRncHVfcmluZyAqcmluZykNCj4+ICAgew0KPj4gICAgICAgICAg c3RydWN0IGFtZGdwdV9kZXZpY2UgKmFkZXYgPSByaW5nLT5hZGV2Ow0KPj4gLSAgICAgICB1aW50 MzJfdCBycHRyID0gYW1kZ3B1X3JpbmdfZ2V0X3JwdHIocmluZyk7DQo+PiArICAgICAgIHVpbnQz Ml90IHJwdHI7DQo+PiAgICAgICAgICB1bnNpZ25lZCBpOw0KPj4gICAgICAgICAgaW50IHI7DQo+ Pg0KPj4gQEAgLTE4NSw2ICsxODUsOSBAQCBzdGF0aWMgaW50IHV2ZF92N18wX2VuY19yaW5nX3Rl c3RfcmluZyhzdHJ1Y3QgYW1kZ3B1X3JpbmcgKnJpbmcpDQo+PiAgICAgICAgICByID0gYW1kZ3B1 X3JpbmdfYWxsb2MocmluZywgMTYpOw0KPj4gICAgICAgICAgaWYgKHIpDQo+PiAgICAgICAgICAg ICAgICAgIHJldHVybiByOw0KPj4gKw0KPj4gKyAgICAgICBycHRyID0gYW1kZ3B1X3JpbmdfZ2V0 X3JwdHIocmluZyk7DQo+PiArDQo+PiAgICAgICAgICBhbWRncHVfcmluZ193cml0ZShyaW5nLCBI RVZDX0VOQ19DTURfRU5EKTsNCj4+ICAgICAgICAgIGFtZGdwdV9yaW5nX2NvbW1pdChyaW5nKTsN Cj4+DQo+PiAtLQ0KPj4gMi43LjQNCj4+DQo+PiBfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXw0KPj4gYW1kLWdmeCBtYWlsaW5nIGxpc3QNCj4+IGFtZC1nZnhA bGlzdHMuZnJlZWRlc2t0b3Aub3JnDQo+PiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2FtZC1nZngNCg0KLS0gDQpSZWdhcmRzLA0KU2hpcmlzaCBTDQoNCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZnggbWFp bGluZyBsaXN0CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeA==