From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paulo Zanoni Subject: Re: [PATCH v2 2/2] drm/i915: Implement cdclk restrictions based on Azalia BCLK Date: Tue, 14 Mar 2017 17:47:12 -0300 Message-ID: <1489524432.2442.64.camel@intel.com> References: <1488931972-2865-1-git-send-email-dhinakaran.pandiyan@intel.com> <1488931972-2865-2-git-send-email-dhinakaran.pandiyan@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 04E146E7C2 for ; Tue, 14 Mar 2017 20:47:16 +0000 (UTC) In-Reply-To: <1488931972-2865-2-git-send-email-dhinakaran.pandiyan@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Dhinakaran Pandiyan , intel-gfx@lists.freedesktop.org Cc: Ander Conselvan de Oliveira List-Id: intel-gfx@lists.freedesktop.org RW0gVGVyLCAyMDE3LTAzLTA3IMOgcyAxNjoxMiAtMDgwMCwgRGhpbmFrYXJhbiBQYW5kaXlhbiBl c2NyZXZldToKPiBBY2NvcmRpbmcgdG8gQlNwZWMsICJUaGUgQ0QgY2xvY2sgZnJlcXVlbmN5IG11 c3QgYmUgYXQgbGVhc3QgdHdpY2UKPiB0aGUKPiBmcmVxdWVuY3kgb2YgdGhlIEF6YWxpYSBCQ0xL LiIgYW5kIEJDTEsgaXMgY29uZmlndXJlZCB0byA5NiBNSHogYnkKPiBkZWZhdWx0LiBUaGlzIGNo ZWNrIGlzIG5lZWRlZCBiZWNhdXNlIEJYVCBhbmQgR0xLIHN1cHBvcnQgY2RjbGsKPiBmcmVxdWVu Y2llcyBsZXNzIHRoYW4gMTkyIE1Iei4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBEaGluYWthcmFuIFBh bmRpeWFuIDxkaGluYWthcmFuLnBhbmRpeWFuQGludGVsLmNvbT4KPiAtLS0KPiDCoGRyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2NkY2xrLmMgfCAxMiArKysrKysrKysrKysKPiDCoDEgZmlsZSBj aGFuZ2VkLCAxMiBpbnNlcnRpb25zKCspCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2NkY2xrLmMKPiBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2NkY2xr LmMKPiBpbmRleCBlOGMxMTgxLi43YjFhYzFkIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2NkY2xrLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9j ZGNsay5jCj4gQEAgLTE0NTgsNiArMTQ1OCwxOCBAQCBzdGF0aWMgaW50Cj4gYmR3X2FkanVzdF9t aW5fcGlwZV9waXhlbF9yYXRlKHN0cnVjdCBpbnRlbF9jcnRjX3N0YXRlICpjcnRjX3N0YXRlLAo+ IMKgCQkJcGl4ZWxfcmF0ZSA9IG1heCg0MzIwMDAsIHBpeGVsX3JhdGUpOwo+IMKgCX0KPiDCoAo+ ICsJLyogQWNjb3JkaW5nIHRvIEJTcGVjLCAiVGhlIENEIGNsb2NrIGZyZXF1ZW5jeSBtdXN0IGJl IGF0Cj4gbGVhc3QgdHdpY2UKPiArCcKgKiB0aGUgZnJlcXVlbmN5IG9mIHRoZSBBemFsaWEgQkNM Sy4iIGFuZCBCQ0xLIGlzIDk2IE1IeiBieQo+IGRlZmF1bHQuCj4gKwnCoCogVGhlIGNoZWNrIGZv ciBHTEsgaGFzIHRvIGJlIGFkanVzdGVkIGFzIHRoZSBwbGF0Zm9ybSBjYW4KPiBvdXRwdXQKPiAr CcKgKiB0d28gcGl4ZWxzIHBlciBjbG9jay4KPiArCcKgKi8KPiArCWlmIChjcnRjX3N0YXRlLT5o YXNfYXVkaW8pIHsKPiArCQlpZiAoSVNfR0VNSU5JTEFLRShkZXZfcHJpdikpCj4gKwkJCXBpeGVs X3JhdGUgPSBtYXgoMiAqIDIgKiA5NjAwMCwgcGl4ZWxfcmF0ZSk7Cj4gKwkJaWYgKElTX0JST1hU T04oZGV2X3ByaXYpKQoKU0tMIGFsc28gZG9jdW1lbnRzIHRoaXMgaW4gdGhlIHBhZ2UgdGhhdCBl eHBsYWlucyB0aGUgY2RjbGsgZnJlcSBjaGFuZ2UKc2VxdWVuY2VzLiBUaGUgZnVubnkgdGhpbmcg aXMgdGhhdCB0aGUgbWluaW11bSBDRENMSyBmb3IgU0tMIHNlZW1zIHRvCmJlIDMwOC41Nywgc28g dGhhdCdzIHN0aWxsIGJpZ2dlciB0aGFuIDk2KjIuLi4gQW55d2F5LCBoYXZpbmcgdGhpcyBmb3IK Y29tcGxldGVuZXNzIHdvdWxkIHByb2JhYmx5IGJlIGdvb2QsIGp1c3QgaW4gY2FzZSBJJ20gbWlz c2luZyBzb21lCmRldGFpbCB0aGF0J3MgaW1wb3J0YW50IGhlcmUuCgpJJ2QgbGlrZSB0byBzZWUg dGhlIFNLTCBhZGRpdGlvbiwgYnV0IEkgY2FuIGxpdmUgd2l0aG91dCBpdCBpbiBjYXNlIHlvdQpo YXZlIHNvbWUgYmV0dGVyIGFyZ3VtZW50LCBzbyBpZiB5b3UgZG9uJ3Qgc2VuZCBhIG5ldyB2ZXJz aW9uLCBoZXJlJ3MKaXQ6CgpSZXZpZXdlZC1ieTogUGF1bG8gWmFub25pIDxwYXVsby5yLnphbm9u aUBpbnRlbC5jb20+CgoKUGVyaGFwcyBpdCB3b3VsZCBhbHNvIGJlIGludGVyZXN0aW5nIHRvIGhh dmUgc29tZSBzb3J0IG9mIG1hY3JvIHRvCmlkZW50aWZ5IHRoZSBwbGF0Zm9ybShzKSB0aGF0IG5l ZWQgdGhlIG1hZ2ljICoyIGNhbGN1bGF0aW9uLiBBIG1vcmUKY29uZnVzaW9uLXByb29mIHZlcnNp b24gb2YgdGhpcyBmdW5jdGlvbiB3b3VsZCBsb29rIGxpa2UgdGhpczoKCmlmIChjcnRjX3N0YXRl LT5oYXNfYXVkaW8gJiYgSU5URUxfR0VOKGRldl9wcml2KSA+PSA5KQoJaWYgKEhBU18yX1BJWEVM U19QRVJfQ0xPQ0soZGV2X3ByaXYpKQoJCXBpeGVsX3JhdGUgPSBtYXgoMiAqIDIgKiA5NjAwMCwg cGl4ZWxfcmF0ZSk7CgllbHNlCgkJcGl4ZWxfcmF0ZSA9IG1heCgyICogOTYwMDAsIHBpeGVsX3Jh dGUpOwoKTWF5YmUgd2UnZCBiZSBhYmxlIHRvIHVzZSB0aGUgbWFjcm8gaW4gb3RoZXIgcGxhY2Vz IHRvbyAoSSBoYXZlbid0CmNoZWNrZWQpLiBUaGUgbmV3IG1hY3JvIHdvdWxkIGRlZmluaXRlbHkg YmUgcGFydCBvZiBhIHNlcGFyYXRlIHBhdGNoIG9uCnRvcCBvZiB0aGVzZS4KCgoKPiArCQkJcGl4 ZWxfcmF0ZSA9IG1heCgyICogOTYwMDAsIHBpeGVsX3JhdGUpOwo+ICsJfQo+ICsKPiDCoAlyZXR1 cm4gcGl4ZWxfcmF0ZTsKPiDCoH0KPiDCoApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9pbnRlbC1nZngK