From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Mohan Marimuthu, Yogesh" Subject: Re: [PATCH 1/2] drm/i915: Allow pixel clock up to 95% of cdclk on CHV Date: Mon, 09 Mar 2015 14:53:54 +0530 Message-ID: <54FD66AA.5090109@intel.com> References: <1425319637-25733-1-git-send-email-ville.syrjala@linux.intel.com> <54FD60D0.7000103@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 6ADD56E154 for ; Mon, 9 Mar 2015 02:23:56 -0700 (PDT) In-Reply-To: <54FD60D0.7000103@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: "Purushothaman, Vijay A" , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org ClJldmlld2VkLWJ5OiBZb2dlc2ggTW9oYW4gTWFyaW11dGh1IDx5b2dlc2gubW9oYW4ubWFyaW11 dGh1QGludGVsLmNvbT4KClRoYW5rIHlvdSwKWW9nZXNoCgpPbiAzLzkvMjAxNSAyOjI4IFBNLCBQ dXJ1c2hvdGhhbWFuLCBWaWpheSBBIHdyb3RlOgo+IE9uIDMvMi8yMDE1IDExOjM3IFBNLCB2aWxs ZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbSB3cm90ZToKPj4gRnJvbTogVmlsbGUgU3lyasOkbMOk IDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPj4KPj4gU3VwcG9zZWRseSBDSFYgY2Fu IHN1c3RhaW4gYSBwaXhlbCBjbG9jayBvZiB1cCB0byA5NSUgb2YKPj4gY2RjbGssIGFzIG9wcG9z ZWQgdG8gdGhlIDkwJSBsaW1pdCB0aGF0IHdhcyB1c2VkIG9sZCBvbGRlcgo+PiBwbGF0Zm9ybXMu IFVwZGF0ZSB0aGUgY2RjbGsgc2VsZWN0aW9uIGNvZGUgdG8gYWxsb3cgZm9yIHRoaXMuCj4+Cj4+ IFRoaXMgd2lsbCBhbGxvdyBlZy4gSERNSSA0ayBtb2RlcyB3aXRoIHRoZWlyIDI5N01IeiBwaXhl bCBjbG9jawo+PiB3aGlsZSBzdGlsbCByZXNwZWN0aW5nIHRoZSAzMjAgTUh6IGNkY2xrIGxpbWl0 IG9uIENIVi4KPj4KPj4gU2lnbmVkLW9mZi1ieTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJq YWxhQGxpbnV4LmludGVsLmNvbT4KPiBUaGFua3MgZm9yIGZvcndhcmRpbmcgdGhlIHBvc3Qgc2kg dGVhbSBjb25maXJtYXRpb24uIFdlIHdlcmUgaW4gdGhlIAo+IGRhcmsgYWJvdXQgdGhpcyBhcyB1 c3VhbC4KPgo+IFJldmlld2VkLWJ5OiBWaWpheSBQdXJ1c2hvdGhhbWFuIDx2aWpheS5hLnB1cnVz aG90aGFtYW5AbGludXguaW50ZWwuY29tPgo+Cj4gVGhhbmtzLAo+IFZpamF5Cj4+IC0tLQo+PiAg IGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyB8IDEyICsrKysrKystLS0tLQo+ PiAgIDEgZmlsZSBjaGFuZ2VkLCA3IGluc2VydGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCj4+Cj4+ IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMgCj4+IGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jCj4+IGluZGV4IDNmZTk1OTguLjk0 ZmYzMTAgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXku Ywo+PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKPj4gQEAgLTQ5 MjYsNiArNDkyNiw3IEBAIHN0YXRpYyBpbnQgdmFsbGV5dmlld19jYWxjX2NkY2xrKHN0cnVjdCAK Pj4gZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCj4+ICAgICAgICAgICAgICAgICAgICBpbnQg bWF4X3BpeGNsaykKPj4gICB7Cj4+ICAgICAgIGludCBmcmVxXzMyMCA9IChkZXZfcHJpdi0+aHBs bF9mcmVxIDw8ICAxKSAlIDMyMDAwMCAhPSAwID8gCj4+IDMzMzMzMyA6IDMyMDAwMDsKPj4gKyAg ICBpbnQgbGltaXQgPSBJU19DSEVSUllWSUVXKGRldl9wcml2KSA/IDk1IDogOTA7Cj4+ICAgICAg ICAgLyogRklYTUU6IFB1bml0IGlzbid0IHF1aXRlIHJlYWR5IHlldCAqLwo+PiAgICAgICBpZiAo SVNfQ0hFUlJZVklFVyhkZXZfcHJpdi0+ZGV2KSkKPj4gQEAgLTQ5MzYsMTcgKzQ5MzcsMTggQEAg c3RhdGljIGludCB2YWxsZXl2aWV3X2NhbGNfY2RjbGsoc3RydWN0IAo+PiBkcm1faTkxNV9wcml2 YXRlICpkZXZfcHJpdiwKPj4gICAgICAgICogICAyMDBNSHoKPj4gICAgICAgICogICAyNjdNSHoK Pj4gICAgICAgICogICAzMjAvMzMzTUh6IChkZXBlbmRzIG9uIEhQTEwgZnJlcSkKPj4gLSAgICAg KiAgIDQwME1Iego+PiAtICAgICAqIFNvIHdlIGNoZWNrIHRvIHNlZSB3aGV0aGVyIHdlJ3JlIGFi b3ZlIDkwJSBvZiB0aGUgbG93ZXIgYmluIGFuZAo+PiAtICAgICAqIGFkanVzdCBpZiBuZWVkZWQu Cj4+ICsgICAgICogICA0MDBNSHogKFZMViBvbmx5KQo+PiArICAgICAqIFNvIHdlIGNoZWNrIHRv IHNlZSB3aGV0aGVyIHdlJ3JlIGFib3ZlIDkwJSAoVkxWKSBvciA5NSUgKENIVikKPj4gKyAgICAg KiBvZiB0aGUgbG93ZXIgYmluIGFuZCBhZGp1c3QgaWYgbmVlZGVkLgo+PiAgICAgICAgKgo+PiAg ICAgICAgKiBXZSBzZWVtIHRvIGdldCBhbiB1bnN0YWJsZSBvciBzb2xpZCBjb2xvciBwaWN0dXJl IGF0IDIwME1Iei4KPj4gICAgICAgICogTm90IHN1cmUgd2hhdCdzIHdyb25nLiBGb3Igbm93IHVz ZSAyMDBNSHogb25seSB3aGVuIGFsbCBwaXBlcwo+PiAgICAgICAgKiBhcmUgb2ZmLgo+PiAgICAg ICAgKi8KPj4gLSAgICBpZiAobWF4X3BpeGNsayA+IGZyZXFfMzIwKjkvMTApCj4+ICsgICAgaWYg KCFJU19DSEVSUllWSUVXKGRldl9wcml2KSAmJgo+PiArICAgICAgICBtYXhfcGl4Y2xrID4gZnJl cV8zMjAqbGltaXQvMTAwKQo+PiAgICAgICAgICAgcmV0dXJuIDQwMDAwMDsKPj4gLSAgICBlbHNl IGlmIChtYXhfcGl4Y2xrID4gMjY2NjY3KjkvMTApCj4+ICsgICAgZWxzZSBpZiAobWF4X3BpeGNs ayA+IDI2NjY2NypsaW1pdC8xMDApCj4+ICAgICAgICAgICByZXR1cm4gZnJlcV8zMjA7Cj4+ICAg ICAgIGVsc2UgaWYgKG1heF9waXhjbGsgPiAwKQo+PiAgICAgICAgICAgcmV0dXJuIDI2NjY2NzsK Pgo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gSW50 ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBo dHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZngg bWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=