From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Vivi, Rodrigo" Subject: Re: [PATCH] drm/i915: Use dpcd read wake for sink crc calls. Date: Wed, 26 Aug 2015 16:41:51 +0000 Message-ID: <1440607384.3879.271.camel@intel.com> References: <1440112320-21884-1-git-send-email-rodrigo.vivi@intel.com> <20150826090608.GN20434@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 635A76EC29 for ; Wed, 26 Aug 2015 09:41:59 -0700 (PDT) In-Reply-To: <20150826090608.GN20434@phenom.ffwll.local> Content-Language: en-US Content-ID: <808213B749047E4297367054A3231D62@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" , "vivijim@rdvivi-budapest.jf.intel.com" List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCAyMDE1LTA4LTI2IGF0IDExOjA2ICswMjAwLCBEYW5pZWwgVmV0dGVyIHdyb3RlOg0K PiBPbiBUaHUsIEF1ZyAyMCwgMjAxNSBhdCAwNDoxMjowMFBNIC0wNzAwLCBSb2RyaWdvIFZpdmkg d3JvdGU6DQo+ID4gRnJvbTogUm9kcmlnbyBWaXZpIDx2aXZpamltQHJkdml2aS1idWRhcGVzdC5q Zi5pbnRlbC5jb20+DQo+ID4gDQo+ID4gTGV0J3MgdXNlIGEgbmF0aXZlIHJlYWQgd2l0aCByZXRy eSBhcyBzdWdnZXN0ZWQgcGVyIHNwZWMgdG8NCj4gPiBmaXggU2luayBDUkMgb24gU0tMIHdoZW4g UFNSIGlzIGVuYWJsZWQuDQo+ID4gDQo+ID4gV2l0aCBQU1IgZW5hYmxlZCBwYW5lbCBpcyBwcm9i YWJseSB0YWtpbmcgbW9yZSB0aW1lIHRvIHdha2UNCj4gPiBhbmQgZHBjZCByZWFkIGlzIGZhbGlu Zy4NCj4gPiANCj4gPiBDYzogU29uaWthIEppbmRhbCA8c29uaWthLmppbmRhbEBpbnRlbC5jb20+ DQo+ID4gU2lnbmVkLW9mZi1ieTogUm9kcmlnbyBWaXZpIDx2aXZpamltQHJkdml2aS1idWRhcGVz dC5qZi5pbnRlbC5jb20+DQo+IA0KPiBTZWVtcyBsaWtlIHdlIHNob3VsZCBqdXN0IG1vdmUgdGhl IHRyaWNrZXJ5IHdlIGRvIGluIG91ciBvd24gdmVyc2lvbiANCj4gaW50bw0KPiB0aGUgZHAgaGVs cGVycyBpbiB0aGUgY29yZSBpZiB0aGlzIGlzIG5lZWRlZCBhbGwgb3ZlciB0aGUgcGxhY2U/DQoN CkkndmUgd29uZGVyZWQgdGhpcywgYnV0IEkgdGhvdWdodCB0aGVyZSB3YXMgYSBnb29kIHJlYXNv biB0byBsZXQgdGhpcw0KdHJpY2sgc2VwYXJhdGVkLg0KDQo+IEF0IGxlYXN0IGluIGk5MTUgd2Ug dXNlIGl0IGV2ZXJ5d2hlcmUgYW5kIGl0IGRvZXNuJ3Qgc2VlbSBhY3RpdmVseSANCj4gaGFybWZ1 bA0KPiByZWFsbHkgLi4uIE1heWJlIHRoZSBvbmx5IGV4Y2VwdGlvbiB3b3VsZCBiZSB0aGUgaTJj LW92ZXItZHBfYXV4IA0KPiBjb2RlLg0KDQpXaHkgdGhpcyB3b3VsZCBiZSB0aGUgZXhjZXB0aW9u PyBNYXliZSB0aGlzIHdhcyB0aGUgZ29vZCByZWFzb24/DQoNCg0KPiAtRGFuaWVsDQo+ID4gLS0t DQo+ID4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMgfCAxNSArKysrKysrKystLS0t LS0NCj4gPiAgMSBmaWxlIGNoYW5nZWQsIDkgaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkN Cj4gPiANCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYyAN Cj4gPiBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMNCj4gPiBpbmRleCBkMzJjZTQ4 Li4zNGY1ZTMzIDEwMDY0NA0KPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rw LmMNCj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jDQo+ID4gQEAgLTQw MzcsNyArNDAzNyw4IEBAIHN0YXRpYyBpbnQgaW50ZWxfZHBfc2lua19jcmNfc3RvcChzdHJ1Y3Qg DQo+ID4gaW50ZWxfZHAgKmludGVsX2RwKQ0KPiA+ICAJdTggYnVmOw0KPiA+ICAJaW50IHJldCA9 IDA7DQo+ID4gIA0KPiA+IC0JaWYgKGRybV9kcF9kcGNkX3JlYWRiKCZpbnRlbF9kcC0+YXV4LCBE UF9URVNUX1NJTkssICZidWYpIA0KPiA+IDwgMCkgew0KPiA+ICsJaWYgKGludGVsX2RwX2RwY2Rf cmVhZF93YWtlKCZpbnRlbF9kcC0+YXV4LCBEUF9URVNUX1NJTkssDQo+ID4gKwkJCQkgICAgJmJ1 ZiwgMSkgPCAwKSB7DQo+ID4gIAkJRFJNX0RFQlVHX0tNUygiU2luayBDUkMgY291bGRuJ3QgYmUg c3RvcHBlZCANCj4gPiBwcm9wZXJseVxuIik7DQo+ID4gIAkJcmV0ID0gLUVJTzsNCj4gPiAgCQln b3RvIG91dDsNCj4gPiBAQCAtNDA2OSw3ICs0MDcwLDggQEAgc3RhdGljIGludCBpbnRlbF9kcF9z aW5rX2NyY19zdGFydChzdHJ1Y3QgDQo+ID4gaW50ZWxfZHAgKmludGVsX2RwKQ0KPiA+ICAJCQly ZXR1cm4gcmV0Ow0KPiA+ICAJfQ0KPiA+ICANCj4gPiAtCWlmIChkcm1fZHBfZHBjZF9yZWFkYigm aW50ZWxfZHAtPmF1eCwgRFBfVEVTVF9TSU5LX01JU0MsIA0KPiA+ICZidWYpIDwgMCkNCj4gPiAr CWlmIChpbnRlbF9kcF9kcGNkX3JlYWRfd2FrZSgmaW50ZWxfZHAtPmF1eCwgDQo+ID4gRFBfVEVT VF9TSU5LX01JU0MsDQo+ID4gKwkJCQkgICAgJmJ1ZiwgMSkgPCAwKQ0KPiA+ICAJCXJldHVybiAt RUlPOw0KPiA+ICANCj4gPiAgCWlmICghKGJ1ZiAmIERQX1RFU1RfQ1JDX1NVUFBPUlRFRCkpDQo+ ID4gQEAgLTQwNzcsNyArNDA3OSw3IEBAIHN0YXRpYyBpbnQgaW50ZWxfZHBfc2lua19jcmNfc3Rh cnQoc3RydWN0IA0KPiA+IGludGVsX2RwICppbnRlbF9kcCkNCj4gPiAgDQo+ID4gIAlpbnRlbF9k cC0+c2lua19jcmMubGFzdF9jb3VudCA9IGJ1ZiAmIERQX1RFU1RfQ09VTlRfTUFTSzsNCj4gPiAg DQo+ID4gLQlpZiAoZHJtX2RwX2RwY2RfcmVhZGIoJmludGVsX2RwLT5hdXgsIERQX1RFU1RfU0lO SywgJmJ1ZikgDQo+ID4gPCAwKQ0KPiA+ICsJaWYgKGludGVsX2RwX2RwY2RfcmVhZF93YWtlKCZp bnRlbF9kcC0+YXV4LCBEUF9URVNUX1NJTkssIA0KPiA+ICZidWYsIDEpIDwgMCkNCj4gPiAgCQly ZXR1cm4gLUVJTzsNCj4gPiAgDQo+ID4gIAloc3dfZGlzYWJsZV9pcHMoaW50ZWxfY3J0Yyk7DQo+ ID4gQEAgLTQxMDksOCArNDExMSw4IEBAIGludCBpbnRlbF9kcF9zaW5rX2NyYyhzdHJ1Y3QgaW50 ZWxfZHAgDQo+ID4gKmludGVsX2RwLCB1OCAqY3JjKQ0KPiA+ICAJZG8gew0KPiA+ICAJCWludGVs X3dhaXRfZm9yX3ZibGFuayhkZXYsIGludGVsX2NydGMtPnBpcGUpOw0KPiA+ICANCj4gPiAtCQlp ZiAoZHJtX2RwX2RwY2RfcmVhZGIoJmludGVsX2RwLT5hdXgsDQo+ID4gLQkJCQkgICAgICBEUF9U RVNUX1NJTktfTUlTQywgJmJ1ZikgPCANCj4gPiAwKSB7DQo+ID4gKwkJaWYgKGludGVsX2RwX2Rw Y2RfcmVhZF93YWtlKCZpbnRlbF9kcC0+YXV4LA0KPiA+ICsJCQkJCSAgICBEUF9URVNUX1NJTktf TUlTQywgDQo+ID4gJmJ1ZiwgMSkgPCAwKSB7DQo+ID4gIAkJCXJldCA9IC1FSU87DQo+ID4gIAkJ CWdvdG8gc3RvcDsNCj4gPiAgCQl9DQo+ID4gQEAgLTQxMjMsNyArNDEyNSw4IEBAIGludCBpbnRl bF9kcF9zaW5rX2NyYyhzdHJ1Y3QgaW50ZWxfZHAgDQo+ID4gKmludGVsX2RwLCB1OCAqY3JjKQ0K PiA+ICAJCWlmIChjb3VudCA9PSAwKQ0KPiA+ICAJCQlpbnRlbF9kcC0+c2lua19jcmMubGFzdF9j b3VudCA9IDA7DQo+ID4gIA0KPiA+IC0JCWlmIChkcm1fZHBfZHBjZF9yZWFkKCZpbnRlbF9kcC0+ YXV4LCANCj4gPiBEUF9URVNUX0NSQ19SX0NSLCBjcmMsIDYpIDwgMCkgew0KPiA+ICsJCWlmIChp bnRlbF9kcF9kcGNkX3JlYWRfd2FrZSgmaW50ZWxfZHAtPmF1eCwgDQo+ID4gRFBfVEVTVF9DUkNf Ul9DUiwNCj4gPiArCQkJCQkgICAgY3JjLCA2KSA8IDApIHsNCj4gPiAgCQkJcmV0ID0gLUVJTzsN Cj4gPiAgCQkJZ290byBzdG9wOw0KPiA+ICAJCX0NCj4gPiAtLSANCj4gPiAyLjEuMA0KPiA+IA0K PiA+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fDQo+ID4g SW50ZWwtZ2Z4IG1haWxpbmcgbGlzdA0KPiA+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcNCj4gPiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50 ZWwtZ2Z4DQo+IApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK aHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=