From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Pandiyan, Dhinakaran" Subject: Re: [PATCH v2 2/9] drm/dp: Kill unused MST vcpi slot availability tracking Date: Wed, 25 Jan 2017 20:36:11 +0000 Message-ID: <1485377645.15309.2.camel@dk-H97M-D3H> References: <1485301777-3465-1-git-send-email-dhinakaran.pandiyan@intel.com> <1485301777-3465-3-git-send-email-dhinakaran.pandiyan@intel.com> <20170125054327.tzgp4b723f6k2lha@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170125054327.tzgp4b723f6k2lha@phenom.ffwll.local> Content-Language: en-US Content-ID: <2CB72C7ADF68534E8FF4F3E9EC08AC0B@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: "alexander.deucher@amd.com" , "daniel.vetter@ffwll.ch" , "intel-gfx@lists.freedesktop.org" , "bskeggs@redhat.com" , "dri-devel@lists.freedesktop.org" List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCAyMDE3LTAxLTI1IGF0IDA2OjQzICswMTAwLCBEYW5pZWwgVmV0dGVyIHdyb3RlOg0K PiBPbiBUdWUsIEphbiAyNCwgMjAxNyBhdCAwMzo0OTozMFBNIC0wODAwLCBEaGluYWthcmFuIFBh bmRpeWFuIHdyb3RlOg0KPiA+IFRoZSBhdmFpbF9zbG90cyBtZW1iZXIgaW4gdGhlIE1TVCB0b3Bv bG9neSBtYW5hZ2VyIGlzIG5ldmVyIHVwZGF0ZWQgdG8NCj4gPiByZWZsZWN0IHRoZSBhdmFpbGFi bGUgdmNwaSBzbG90cy4gVGhlIGNoZWNrIGlzIGVmZmVjdGl2ZWx5IGFnYWluc3QNCj4gPiB0b3Rh bF9zbG90cy4gU28sIGxldCdzIG1ha2UgdGhhdCBjaGVjayBvYnZpb3VzLiBTZWNvbmRseSwgc2lu Y2UgdGhlIHRvdGFsDQo+ID4gdmNwaSB0aW1lIHNsb3RzIGlzIGFsd2F5cyA2MyBhbmQgZG9lcyBu b3QgZGVwZW5kIG9uIHRoZSBsaW5rIEJXLCByZW1vdmUNCj4gPiB0b3RhbF9zbG90cyBmcm9tIE1T VCB0b3BvbG9neSBtYW5hZ2VyIHN0cnVjdC4gVGhlIHRoaXJkIGNoYW5nZSBpcyB0bw0KPiA+IHJl bW92ZSB0b3RhbF9wYm4gd2hpY2ggaXMgaGFyZGNvZGVkIHRvIDI1NjAuIFRoZSB0b3RhbCBQQk4g dGhhdCB0aGUNCj4gPiB0b3BvbG9neSBtYW5hZ2VyIGFsbG9jYXRlcyBmcm9tIGRlcGVuZHMgb24g dGhlIGxpbmsgcmF0ZSBhbmQgaXMgbm90IGENCj4gPiBjb25zdGFudC4gU28sIGZpeCB0aGlzIGJ5 IHJlbW92aW5nIHRoZSB0b3RhbF9wYm4gbWVtYmVyIGl0c2VsZi4gRmluYWxseSwNCj4gPiBtYWtl IGRlYnVnIG1lc3NhZ2VzIG1vcmUgZGVzY3JpcHRpdmUuDQo+IA0KPiBPaywgdGhlc2UgYXJlIDMg ZGlmZmVyZW50IGNoYW5nZXMsIGFuZCB0aGV5IG5lZWQgdG8gYmUgc3BsaXQgdXAuIFdlbGwsIGF0 DQo+IGxlYXN0IGluIDIgcGF0Y2hlcywgdG8gZ2V0IHRoZSBmdW5jdGlvbmFsIGNoYW5nZSBvdXQg b2YgdGhlcmU6DQo+IC0gRmlyc3QgaGFyZGNvZGUgYXZhaWxfc2xvdHMgdG8gNjMsIHdpdGggdGhl IGNvbW1pdCBtZXNzYWdlIGV4cGxhaW5pbmcgaW4NCj4gICBkZXRhaWwgd2h5IHRoYXQncyB0aGUg cmlnaHQgdGhpbmcuIFlvdSBjYW4gYWxyZWFkeSByZW1vdmUgdG90YWxfcGJuIGFuZA0KPiAgIHRv dGFsX3Nsb3RzIGluIHRoYXQgcGF0Y2gsIHNpbmNlIHRoZXkgd2lsbCBiZSB1bnVzZWQuIFRoZSBj b21taXQgbWVzc2FnZQ0KPiAgIHNob3VsZCBoYXZlIGEgcmVmZXJlbmNlIHRvIHRoZSBEUCBzcGVj IHRvIHN1cHBvcnQgdGhhdCAiaXQncyBhbHdheXMgNjMiDQo+ICAgY2xhaW0uDQo+IC0gVGhlbiBn YXJiYWdlLWNvbGxlY3QgLT5hdmFpbF9zbG90cyBpbiBhIDJuZCBwYXRjaC4NCj4gDQo+IElmIHlv dSBzbWFzaCB0aGVzZSB0b2dldGhlciBpdCdzIGEgbG90IGxlc3Mgb2J2aW91cyB0aGF0IHRoaXMg aXMgbm90IGp1c3QNCj4gYSBwdXJlIHJlZmFjdG9yaW5nLg0KPiANCj4gVGhhbmtzLCBEYW5pZWwN Cj4gDQoNCk1ha2VzIHNlbnNlLCB3aWxsIGRvIHRoaXMgaW4gdGhlIG5leHQgcmV2aXNpb24uDQoN Ci1ESw0KPiA+IA0KPiA+IFNpZ25lZC1vZmYtYnk6IERoaW5ha2FyYW4gUGFuZGl5YW4gPGRoaW5h a2FyYW4ucGFuZGl5YW5AaW50ZWwuY29tPg0KPiA+IC0tLQ0KPiA+ICBkcml2ZXJzL2dwdS9kcm0v ZHJtX2RwX21zdF90b3BvbG9neS5jIHwgMTYgKysrKysrKystLS0tLS0tLQ0KPiA+ICBpbmNsdWRl L2RybS9kcm1fZHBfbXN0X2hlbHBlci5oICAgICAgIHwgMTIgLS0tLS0tLS0tLS0tDQo+ID4gIDIg ZmlsZXMgY2hhbmdlZCwgOCBpbnNlcnRpb25zKCspLCAyMCBkZWxldGlvbnMoLSkNCj4gPiANCj4g PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9tc3RfdG9wb2xvZ3kuYyBiL2Ry aXZlcnMvZ3B1L2RybS9kcm1fZHBfbXN0X3RvcG9sb2d5LmMNCj4gPiBpbmRleCAxMjJhMWIwLi5k OWVkZDg0IDEwMDY0NA0KPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fZHBfbXN0X3RvcG9s b2d5LmMNCj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2RwX21zdF90b3BvbG9neS5jDQo+ ID4gQEAgLTIwNDIsMTAgKzIwNDIsNiBAQCBpbnQgZHJtX2RwX21zdF90b3BvbG9neV9tZ3Jfc2V0 X21zdChzdHJ1Y3QgZHJtX2RwX21zdF90b3BvbG9neV9tZ3IgKm1nciwgYm9vbCBtcw0KPiA+ICAJ CQlnb3RvIG91dF91bmxvY2s7DQo+ID4gIAkJfQ0KPiA+ICANCj4gPiAtCQltZ3ItPnRvdGFsX3Bi biA9IDI1NjA7DQo+ID4gLQkJbWdyLT50b3RhbF9zbG90cyA9IERJVl9ST1VORF9VUChtZ3ItPnRv dGFsX3BibiwgbWdyLT5wYm5fZGl2KTsNCj4gPiAtCQltZ3ItPmF2YWlsX3Nsb3RzID0gbWdyLT50 b3RhbF9zbG90czsNCj4gPiAtDQo+ID4gIAkJLyogYWRkIGluaXRpYWwgYnJhbmNoIGRldmljZSBh dCBMQ1QgMSAqLw0KPiA+ICAJCW1zdGIgPSBkcm1fZHBfYWRkX21zdF9icmFuY2hfZGV2aWNlKDEs IE5VTEwpOw0KPiA+ICAJCWlmIChtc3RiID09IE5VTEwpIHsNCj4gPiBAQCAtMjQ3NSw3ICsyNDcx LDggQEAgaW50IGRybV9kcF9maW5kX3ZjcGlfc2xvdHMoc3RydWN0IGRybV9kcF9tc3RfdG9wb2xv Z3lfbWdyICptZ3IsDQo+ID4gIA0KPiA+ICAJbnVtX3Nsb3RzID0gRElWX1JPVU5EX1VQKHBibiwg bWdyLT5wYm5fZGl2KTsNCj4gPiAgDQo+ID4gLQlpZiAobnVtX3Nsb3RzID4gbWdyLT5hdmFpbF9z bG90cykNCj4gPiArCS8qIG1heC4gdGltZSBzbG90cyAtIG9uZSBzbG90IGZvciBNVFAgaGVhZGVy ICovDQo+ID4gKwlpZiAobnVtX3Nsb3RzID4gNjMpDQo+ID4gIAkJcmV0dXJuIC1FTk9TUEM7DQo+ ID4gIAlyZXR1cm4gbnVtX3Nsb3RzOw0KPiA+ICB9DQo+ID4gQEAgLTI0ODksNyArMjQ4Niw4IEBA IHN0YXRpYyBpbnQgZHJtX2RwX2luaXRfdmNwaShzdHJ1Y3QgZHJtX2RwX21zdF90b3BvbG9neV9t Z3IgKm1nciwNCj4gPiAgDQo+ID4gIAludW1fc2xvdHMgPSBESVZfUk9VTkRfVVAocGJuLCBtZ3It PnBibl9kaXYpOw0KPiA+ICANCj4gPiAtCWlmIChudW1fc2xvdHMgPiBtZ3ItPmF2YWlsX3Nsb3Rz KQ0KPiA+ICsJLyogbWF4LiB0aW1lIHNsb3RzIC0gb25lIHNsb3QgZm9yIE1UUCBoZWFkZXIgKi8N Cj4gPiArCWlmIChudW1fc2xvdHMgPiA2MykNCj4gPiAgCQlyZXR1cm4gLUVOT1NQQzsNCj4gPiAg DQo+ID4gIAl2Y3BpLT5wYm4gPSBwYm47DQo+ID4gQEAgLTI1MjgsMTAgKzI1MjYsMTIgQEAgYm9v bCBkcm1fZHBfbXN0X2FsbG9jYXRlX3ZjcGkoc3RydWN0IGRybV9kcF9tc3RfdG9wb2xvZ3lfbWdy ICptZ3IsIHN0cnVjdCBkcm1fZHANCj4gPiAgDQo+ID4gIAlyZXQgPSBkcm1fZHBfaW5pdF92Y3Bp KG1nciwgJnBvcnQtPnZjcGksIHBibik7DQo+ID4gIAlpZiAocmV0KSB7DQo+ID4gLQkJRFJNX0RF QlVHX0tNUygiZmFpbGVkIHRvIGluaXQgdmNwaSAlZCAlZCAlZFxuIiwgRElWX1JPVU5EX1VQKHBi biwgbWdyLT5wYm5fZGl2KSwgbWdyLT5hdmFpbF9zbG90cywgcmV0KTsNCj4gPiArCQlEUk1fREVC VUdfS01TKCJmYWlsZWQgdG8gaW5pdCB2Y3BpIHNsb3RzPSVkIG1heD02MyByZXQ9JWRcbiIsDQo+ ID4gKwkJCQlESVZfUk9VTkRfVVAocGJuLCBtZ3ItPnBibl9kaXYpLCByZXQpOw0KPiA+ICAJCWdv dG8gb3V0Ow0KPiA+ICAJfQ0KPiA+IC0JRFJNX0RFQlVHX0tNUygiaW5pdGluZyB2Y3BpIGZvciAl ZCAlZFxuIiwgcGJuLCBwb3J0LT52Y3BpLm51bV9zbG90cyk7DQo+ID4gKwlEUk1fREVCVUdfS01T KCJpbml0aW5nIHZjcGkgZm9yIHBibj0lZCBzbG90cz0lZFxuIiwNCj4gPiArCQkJcGJuLCBwb3J0 LT52Y3BpLm51bV9zbG90cyk7DQo+ID4gIAkqc2xvdHMgPSBwb3J0LT52Y3BpLm51bV9zbG90czsN Cj4gPiAgDQo+ID4gIAlkcm1fZHBfcHV0X3BvcnQocG9ydCk7DQo+ID4gZGlmZiAtLWdpdCBhL2lu Y2x1ZGUvZHJtL2RybV9kcF9tc3RfaGVscGVyLmggYi9pbmNsdWRlL2RybS9kcm1fZHBfbXN0X2hl bHBlci5oDQo+ID4gaW5kZXggMjdmM2U5OS4uYjBmNGEwOSAxMDA2NDQNCj4gPiAtLS0gYS9pbmNs dWRlL2RybS9kcm1fZHBfbXN0X2hlbHBlci5oDQo+ID4gKysrIGIvaW5jbHVkZS9kcm0vZHJtX2Rw X21zdF9oZWxwZXIuaA0KPiA+IEBAIC00NzksMTggKzQ3OSw2IEBAIHN0cnVjdCBkcm1fZHBfbXN0 X3RvcG9sb2d5X21nciB7DQo+ID4gIAkgKiBAcGJuX2RpdjogUEJOIHRvIHNsb3RzIGRpdmlzb3Iu DQo+ID4gIAkgKi8NCj4gPiAgCWludCBwYm5fZGl2Ow0KPiA+IC0JLyoqDQo+ID4gLQkgKiBAdG90 YWxfc2xvdHM6IFRvdGFsIHNsb3RzIHRoYXQgY2FuIGJlIGFsbG9jYXRlZC4NCj4gPiAtCSAqLw0K PiA+IC0JaW50IHRvdGFsX3Nsb3RzOw0KPiA+IC0JLyoqDQo+ID4gLQkgKiBAYXZhaWxfc2xvdHM6 IFN0aWxsIGF2YWlsYWJsZSBzbG90cyB0aGF0IGNhbiBiZSBhbGxvY2F0ZWQuDQo+ID4gLQkgKi8N Cj4gPiAtCWludCBhdmFpbF9zbG90czsNCj4gPiAtCS8qKg0KPiA+IC0JICogQHRvdGFsX3Bibjog VG90YWwgUEJOIGNvdW50Lg0KPiA+IC0JICovDQo+ID4gLQlpbnQgdG90YWxfcGJuOw0KPiA+ICAN Cj4gPiAgCS8qKg0KPiA+ICAJICogQHFsb2NrOiBwcm90ZWN0cyBAdHhfbXNnX2Rvd25xLCB0aGUg dHhfc2xvdHMgaW4gc3RydWN0DQo+ID4gLS0gDQo+ID4gMi43LjQNCj4gPiANCj4gDQoNCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWls aW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=