From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Purushothaman, Vijay A" Subject: Re: [PATCH 1/2] drm/i915: Allow pixel clock up to 95% of cdclk on CHV Date: Mon, 09 Mar 2015 14:28:56 +0530 Message-ID: <54FD60D0.7000103@linux.intel.com> References: <1425319637-25733-1-git-send-email-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" 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 E4B1A6E26F for ; Mon, 9 Mar 2015 01:58:57 -0700 (PDT) In-Reply-To: <1425319637-25733-1-git-send-email-ville.syrjala@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gMy8yLzIwMTUgMTE6MzcgUE0sIHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tIHdyb3Rl Ogo+IEZyb206IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+ Cj4KPiBTdXBwb3NlZGx5IENIViBjYW4gc3VzdGFpbiBhIHBpeGVsIGNsb2NrIG9mIHVwIHRvIDk1 JSBvZgo+IGNkY2xrLCBhcyBvcHBvc2VkIHRvIHRoZSA5MCUgbGltaXQgdGhhdCB3YXMgdXNlZCBv bGQgb2xkZXIKPiBwbGF0Zm9ybXMuIFVwZGF0ZSB0aGUgY2RjbGsgc2VsZWN0aW9uIGNvZGUgdG8g YWxsb3cgZm9yIHRoaXMuCj4KPiBUaGlzIHdpbGwgYWxsb3cgZWcuIEhETUkgNGsgbW9kZXMgd2l0 aCB0aGVpciAyOTdNSHogcGl4ZWwgY2xvY2sKPiB3aGlsZSBzdGlsbCByZXNwZWN0aW5nIHRoZSAz MjAgTUh6IGNkY2xrIGxpbWl0IG9uIENIVi4KPgo+IFNpZ25lZC1vZmYtYnk6IFZpbGxlIFN5cmrD pGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+ClRoYW5rcyBmb3IgZm9yd2FyZGlu ZyB0aGUgcG9zdCBzaSB0ZWFtIGNvbmZpcm1hdGlvbi4gV2Ugd2VyZSBpbiB0aGUgZGFyayAKYWJv dXQgdGhpcyBhcyB1c3VhbC4KClJldmlld2VkLWJ5OiBWaWpheSBQdXJ1c2hvdGhhbWFuIDx2aWph eS5hLnB1cnVzaG90aGFtYW5AbGludXguaW50ZWwuY29tPgoKVGhhbmtzLApWaWpheQo+IC0tLQo+ ICAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jIHwgMTIgKysrKysrKy0tLS0t Cj4gICAxIGZpbGUgY2hhbmdlZCwgNyBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9ucygtKQo+Cj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYwo+IGluZGV4IDNmZTk1OTguLjk0ZmYzMTAg MTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jCj4gKysr IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jCj4gQEAgLTQ5MjYsNiArNDky Niw3IEBAIHN0YXRpYyBpbnQgdmFsbGV5dmlld19jYWxjX2NkY2xrKHN0cnVjdCBkcm1faTkxNV9w cml2YXRlICpkZXZfcHJpdiwKPiAgIAkJCQkgaW50IG1heF9waXhjbGspCj4gICB7Cj4gICAJaW50 IGZyZXFfMzIwID0gKGRldl9wcml2LT5ocGxsX2ZyZXEgPDwgIDEpICUgMzIwMDAwICE9IDAgPyAz MzMzMzMgOiAzMjAwMDA7Cj4gKwlpbnQgbGltaXQgPSBJU19DSEVSUllWSUVXKGRldl9wcml2KSA/ IDk1IDogOTA7Cj4gICAKPiAgIAkvKiBGSVhNRTogUHVuaXQgaXNuJ3QgcXVpdGUgcmVhZHkgeWV0 ICovCj4gICAJaWYgKElTX0NIRVJSWVZJRVcoZGV2X3ByaXYtPmRldikpCj4gQEAgLTQ5MzYsMTcg KzQ5MzcsMTggQEAgc3RhdGljIGludCB2YWxsZXl2aWV3X2NhbGNfY2RjbGsoc3RydWN0IGRybV9p OTE1X3ByaXZhdGUgKmRldl9wcml2LAo+ICAgCSAqICAgMjAwTUh6Cj4gICAJICogICAyNjdNSHoK PiAgIAkgKiAgIDMyMC8zMzNNSHogKGRlcGVuZHMgb24gSFBMTCBmcmVxKQo+IC0JICogICA0MDBN SHoKPiAtCSAqIFNvIHdlIGNoZWNrIHRvIHNlZSB3aGV0aGVyIHdlJ3JlIGFib3ZlIDkwJSBvZiB0 aGUgbG93ZXIgYmluIGFuZAo+IC0JICogYWRqdXN0IGlmIG5lZWRlZC4KPiArCSAqICAgNDAwTUh6 IChWTFYgb25seSkKPiArCSAqIFNvIHdlIGNoZWNrIHRvIHNlZSB3aGV0aGVyIHdlJ3JlIGFib3Zl IDkwJSAoVkxWKSBvciA5NSUgKENIVikKPiArCSAqIG9mIHRoZSBsb3dlciBiaW4gYW5kIGFkanVz dCBpZiBuZWVkZWQuCj4gICAJICoKPiAgIAkgKiBXZSBzZWVtIHRvIGdldCBhbiB1bnN0YWJsZSBv ciBzb2xpZCBjb2xvciBwaWN0dXJlIGF0IDIwME1Iei4KPiAgIAkgKiBOb3Qgc3VyZSB3aGF0J3Mg d3JvbmcuIEZvciBub3cgdXNlIDIwME1IeiBvbmx5IHdoZW4gYWxsIHBpcGVzCj4gICAJICogYXJl IG9mZi4KPiAgIAkgKi8KPiAtCWlmIChtYXhfcGl4Y2xrID4gZnJlcV8zMjAqOS8xMCkKPiArCWlm ICghSVNfQ0hFUlJZVklFVyhkZXZfcHJpdikgJiYKPiArCSAgICBtYXhfcGl4Y2xrID4gZnJlcV8z MjAqbGltaXQvMTAwKQo+ICAgCQlyZXR1cm4gNDAwMDAwOwo+IC0JZWxzZSBpZiAobWF4X3BpeGNs ayA+IDI2NjY2Nyo5LzEwKQo+ICsJZWxzZSBpZiAobWF4X3BpeGNsayA+IDI2NjY2NypsaW1pdC8x MDApCj4gICAJCXJldHVybiBmcmVxXzMyMDsKPiAgIAllbHNlIGlmIChtYXhfcGl4Y2xrID4gMCkK PiAgIAkJcmV0dXJuIDI2NjY2NzsKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4Cg==