From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kumar, Shobhit" Subject: Re: [PATCH] drm/i915/skl: Init cdclk in the driver rather than relying on pre-os Date: Wed, 7 Oct 2015 12:01:34 +0530 Message-ID: <5614BC46.80205@linux.intel.com> References: <1444058564-13663-1-git-send-email-shobhit.kumar@intel.com> <1444059355.31325.67.camel@intel.com> <56139AD9.4020205@linux.intel.com> <1444128109.8306.10.camel@intel.com> <5613AA8F.6080006@linux.intel.com> <20151006111952.GI3383@phenom.ffwll.local> <20151006114144.GU26517@intel.com> <20151006121920.GP3383@phenom.ffwll.local> <5613C208.8050801@linux.intel.com> <20151006132520.GW26517@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 3E1146E926 for ; Tue, 6 Oct 2015 23:31:39 -0700 (PDT) In-Reply-To: <20151006132520.GW26517@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gMTAvMDYvMjAxNSAwNjo1NSBQTSwgVmlsbGUgU3lyasOkbMOkIHdyb3RlOgo+IE9uIFR1ZSwg T2N0IDA2LCAyMDE1IGF0IDA2OjEzOjUyUE0gKzA1MzAsIEt1bWFyLCBTaG9iaGl0IHdyb3RlOgo+ PiBPbiAxMC8wNi8yMDE1IDA1OjQ5IFBNLCBEYW5pZWwgVmV0dGVyIHdyb3RlOgo+Pj4gT24gVHVl LCBPY3QgMDYsIDIwMTUgYXQgMDI6NDE6NDRQTSArMDMwMCwgVmlsbGUgU3lyasOkbMOkIHdyb3Rl Ogo+Pj4+IE9uIFR1ZSwgT2N0IDA2LCAyMDE1IGF0IDAxOjE5OjUyUE0gKzAyMDAsIERhbmllbCBW ZXR0ZXIgd3JvdGU6Cj4+Pj4+IE9uIFR1ZSwgT2N0IDA2LCAyMDE1IGF0IDA0OjMzOjQzUE0gKzA1 MzAsIEt1bWFyLCBTaG9iaGl0IHdyb3RlOgo+Pj4+Pj4gT24gMTAvMDYvMjAxNSAwNDoxMSBQTSwg SW1yZSBEZWFrIHdyb3RlOgo+Pj4+Pj4+IE9uIHRpLCAyMDE1LTEwLTA2IGF0IDE1OjI2ICswNTMw LCBLdW1hciwgU2hvYmhpdCB3cm90ZToKPj4+Pj4+Pj4gT24gMTAvMDUvMjAxNSAwOTowNSBQTSwg SW1yZSBEZWFrIHdyb3RlOgo+Pj4+Pj4+Pj4gT24gbWEsIDIwMTUtMTAtMDUgYXQgMjA6NTIgKzA1 MzAsIFNob2JoaXQgS3VtYXIgd3JvdGU6Cj4+Pj4+Pj4+Pj4gTW9zdGx5IHJldXNlIHdoYXQgaXMg cHJvZ3JhbW1lZCBieSBwcmUtb3MsIGJ1dCBpbiBjYXNlIHRoZXJlIGlzIG5vCj4+Pj4+Pj4+Pj4g cHJlLW9zIGluaXRpYWxpemF0aW9uLCBpbml0IHRoZSBjZGNsayB3aXRoIHRoZSBkZWZhdWx0IHZh bHVlLgo+Pj4+Pj4+Pj4+Cj4+Pj4+Pj4+Pj4gQ2M6IEltcmUgRGVhayA8aW1yZS5kZWFrQGludGVs LmNvbT4KPj4+Pj4+Pj4+PiBTaWduZWQtb2ZmLWJ5OiBTaG9iaGl0IEt1bWFyIDxzaG9iaGl0Lmt1 bWFyQGludGVsLmNvbT4KPj4+Pj4+Pj4+PiAtLS0KPj4+Pj4+Pj4+PiAgICAgZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfZGRpLmMgfCA2ICsrLS0tLQo+Pj4+Pj4+Pj4+ICAgICAxIGZpbGUgY2hh bmdlZCwgMiBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQo+Pj4+Pj4+Pj4+Cj4+Pj4+Pj4+ Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5jIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfZGRpLmMKPj4+Pj4+Pj4+PiBpbmRleCAyZDNjYzgyLi42NzVj NjBkIDEwMDY0NAo+Pj4+Pj4+Pj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rk aS5jCj4+Pj4+Pj4+Pj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGRpLmMKPj4+ Pj4+Pj4+PiBAQCAtMjk0NywxMCArMjk0Nyw4IEBAIHZvaWQgaW50ZWxfZGRpX3BsbF9pbml0KHN0 cnVjdCBkcm1fZGV2aWNlICpkZXYpCj4+Pj4+Pj4+Pj4KPj4+Pj4+Pj4+PiAgICAgCQljZGNsa19m cmVxID0gZGV2X3ByaXYtPmRpc3BsYXkuZ2V0X2Rpc3BsYXlfY2xvY2tfc3BlZWQoZGV2KTsKPj4+ Pj4+Pj4+PiAgICAgCQlkZXZfcHJpdi0+c2tsX2Jvb3RfY2RjbGsgPSBjZGNsa19mcmVxOwo+Pj4+ Pj4+Pj4+IC0JCWlmICghKEk5MTVfUkVBRChMQ1BMTDFfQ1RMKSAmIExDUExMX1BMTF9FTkFCTEUp KQo+Pj4+Pj4+Pj4+IC0JCQlEUk1fRVJST1IoIkxDUExMMSBpcyBkaXNhYmxlZFxuIik7Cj4+Pj4+ Pj4+Pj4gLQkJZWxzZQo+Pj4+Pj4+Pj4+IC0JCQlpbnRlbF9kaXNwbGF5X3Bvd2VyX2dldChkZXZf cHJpdiwgUE9XRVJfRE9NQUlOX1BMTFMpOwo+Pj4+Pj4+Pj4+ICsKPj4+Pj4+Pj4+PiArCQlza2xf aW5pdF9jZGNsayhkZXZfcHJpdik7Cj4+Pj4+Pj4+Pgo+Pj4+Pj4+Pj4gSG93IGRvZXMgdGhpcyBw cmV2ZW50IGNoYW5naW5nIHRoZSBjbG9jayBpZiBCSU9TIGRpZCBlbmFibGUgc29tZSBvdXRwdXQ/ Cj4+Pj4+Pj4+PiBXZSBzaG91bGRuJ3QgY2hhbmdlIHRoZSBjbG9jayBpbiB0aGF0IGNhc2UuCj4+ Pj4+Pj4+Cj4+Pj4+Pj4+IEluIHRoYXQgY2FzZSBpdCB3aWxsIHRyeSB0byByZS1hcHBseSB0aGUg c2FtZSBjbG9jayB0aGF0IEJJT1MgZW5hYmxlZC4KPj4+Pj4+Pj4gTm90IHN1cmUgaWYgdGhpcyBp cyBhbGxvd2VkLCBidXQgSSBjaGVja2VkIHRoZSBjZGNsb2NrIGNoYW5nZSBzZXF1ZW5jZQo+Pj4+ Pj4+PiBhbmQgaXQgaXMgbW9zdGx5IGZvbGxvd2VkIGluIHNrbF9pbml0X2NkY2xrLgo+Pj4+Pj4+ PiBJbiBteSB0ZXN0cyB3aGVyZSBCSU9TIGRvZXMgZW5hYmxlIHRoaXMsIEkgZmFjZWQgbm8gaXNz dWVzIGluCj4+Pj4+Pj4+IGluaXRpYWxpemluZyBhZ2FpbiBpbiBkcml2ZXIuCj4+Pj4+Pj4KPj4+ Pj4+PiBUaGUgZmlyc3Qgc3RlcCBpbiB0aGF0IHNlcXVlbmNlOgo+Pj4+Pj4+ICJEaXNhYmxlIGFs bCBkaXNwbGF5IGVuZ2luZSBmdW5jdGlvbnMgdXNpbmcgdGhlIGZ1bGwgbW9kZSBzZXQgZGlzYWJs ZQo+Pj4+Pj4+IHNlcXVlbmNlIG9uIGFsbCBwaXBlcywgcG9ydHMsIGFuZCBwbGFuZXMuIgo+Pj4+ Pj4KPj4+Pj4+IE9oLCB5ZWFoLCBJIGFnYWluIG1hZGUgbWlzdGFrZSBvZiBhc3N1bWluZyB0aGF0 IGRpc3BsYXkgaXMgbm90IGVuYWJsZWQgaW4KPj4+Pj4+IHRoZSBmaXJzdCBwbGFjZS4gWW91IGFy ZSByaWdodCwgdGhvdWdoIGl0IHdvcmtzIGlmIEkgY2hhbmdlIHRoZSBjbG9jayBhZ2Fpbi4KPj4+ Pj4+Cj4+Pj4+Pj4KPj4+Pj4+PiBTbyB0aGUgcHJvYmxlbSBpcyBub3QgdGhhdCB0aGUgUExMIGl0 c2VsZiBtYXkgYmUgZW5hYmxlZCBoZXJlIChhcyBCSU9TCj4+Pj4+Pj4gbGVmdCBpdCksIGJ1dCB0 aGF0IHNvbWUgb3V0cHV0IGlzIGFsc28gZW5hYmxlZC4KPj4+Pj4+Cj4+Pj4+PiBZZXMuCj4+Pj4+ Pgo+Pj4+Pj4+Cj4+Pj4+Pj4+IEkgaGF2ZSBub3RpY2VkIG9uIHNvbWUgcHJlLW9zIHRoaXMgdmFs dWUgaXMgcHJvZ3JhbW1lZCBjb3JyZWN0bHkgZXhjZXB0Cj4+Pj4+Pj4+IGZvciB0aGUgZGVjaW1h bCBwYXJ0LiBUaGF0IGNhdXNlcyBBVVggdHJhbnNhY3Rpb25zIHRvIGZhaWwgb24gU0tsLiBUaGF0 Cj4+Pj4+Pj4+IGlzIHdoYXQgdHJpZ2dlcmVkIHRoaXMgcGF0Y2ggYWN0dWFsbHkuIFNvIG90aGVy IHdheSBpcyB0byBjb21wbGV0ZWx5Cj4+Pj4+Pj4+IHZhbGlkYXRlIHRoZSB2YWx1ZSBpbiBnZXRf ZGlzcGxheV9jbG9ja19zcGVlZCBpbnN0ZWFkIG9mIGJpdFsyODoyNl0gYW5kCj4+Pj4+Pj4+IHRo ZW4gaWYgd3JvbmcgdGhlbiBvbmx5IGRvIHRoZSBjZGNsayBpbml0Lgo+Pj4+Pj4+Cj4+Pj4+Pj4g SSB0aGluayB3ZSdkIG5lZWQgdG8gZGV0ZWN0IGF0IHRoaXMgcG9pbnQgaWYgb3V0cHV0cyBhcmUg ZW5hYmxlZCBhbmQKPj4+Pj4+PiBvbmx5IGF0dGVtcHQgdG8gd29yayBhcm91bmQgdGhlIGFib3Zl IEJJT1MgcHJvYmxlbSBpZiB0aGlzIGlzIG5vdCB0aGUKPj4+Pj4+PiBjYXNlLiBBbHRlcm5hdGl2 ZWx5IHlvdSBjb3VsZCBhbHNvIGRpc2FibGUgdGhlIGFjdGl2ZSBvdXRwdXRzIGFzIGEgZmlyc3QK Pj4+Pj4+PiBzdGVwLgo+Pj4+Pj4KPj4+Pj4+IE9rLCBsZXQgbWUgZGV0ZWN0IGlmIGFueSBvdXRw dXQgaXMgZW5hYmxlZCBieSBCSU9TIGFuZCBhY2NvcmRpbmdseQo+Pj4+Pj4gaW5pdGlhbGl6ZSBj ZGNsay4KPj4+Pj4KPj4+Pj4gVGhlc2Uga2luZCBvZiBmaXhpdXBzIHNob3VsZCBiZSBkb25lIGFm dGVyIHRoZSBodyBzdGF0ZSByZWFkb3V0LiBXZQo+Pj4+PiBhbHJlYWR5IGhhdmUgc2FuaXRpemVf Y3J0Yy9wbGwvZW5jb2RlciBmdW5jdGlvbnMsIHByb2JhYmx5IGJlc3QgaWYgd2UgYWRkCj4+Pj4+ IGEgc2FuaXRpemVfY2RjbGsgb3Igc2ltaWxhciBmb3IgdGhpcyBhdCB0aGUgdmVyeSBlbmQgb2Yg dGhlIGh3IHN0YXRlCj4+Pj4+IHNhbml0aXplIHNlcXVlbmNlLgo+Pj4+Cj4+Pj4gQ2FuJ3QgYmUg ZG9uZSBpZiB3ZSBhbHJlYWR5IG5lZWQgYSBzb21ld2hhdCBzYW5lIGNkY2xrIGZvciB0aGUKPj4+ PiBlRFAgQVVYIHByb2JpbmcgYW5kIHdoYXRub3QuCj4+Pj4KPj4+PiBGb3IgYWN0dWFsbHkgZW5h YmxpbmcgdGhlIGNkY2xrIGZvciBwdXNoaW5nIHBpeGVscywgd2Ugd291bGRuJ3QgbmVlZAo+Pj4+ IHRvIGRvIGFueXRoaW5nIGV4Y2VwdCBhY3R1YWxseSBwbHVnIGlhIGEgY2FsY19jZGNsayBmb3Ig U0tMLiBObyBpZGVhCj4+Pj4gd2h5IHdlJ3JlIG5vdCBkb2luZyB0aGF0IGN1cnJlbnRseS4gU29t ZSBleHRyYSBjYXJlIG1heSBiZSBuZWVkZWQKPj4+PiBkdWUgdG8gdGhlIGVEUCBEUExMMCB1c2Fn IElJUkMuCj4+Pgo+Pj4gSG0gcmlnaHQsIGNkbGNrIGlzIGluIHRoZSB0b3AtbGV2ZWwgcG93ZXIg ZG9tYWluLiBBZGRlZCBmdW4gaXMgdGhhdCB3aXRoCj4+PiBkbWMgdGhlIGZpcm13YXJlIGlzIHN1 cHBvc2VkIHRvIGhhbmRsZSBpdC4gTWVzc3kgOigKPj4KPj4gWWVzLCBleGFjdGx5LiBIb3cgYWJv dXQganVzdCBhZGRpbmcgdmVyaWZ5X2NkY2xrIGFuZCBjYWxsaW5nIGluCj4+IGdldF9kaXNwbGF5 X2Nsb2NrX3NwZWVkIHRvIGNoZWNrIGlmIGNkY2xrIGlzIHByb2dyYW1tZWQgY29ycmVjdGx5IGFs b25nCj4+IHdpdGggcmVsYXRlZCBEUExMMCBWQ08gc2V0dGluZ3MgZm9yIG5vdy4KPgo+IEkgd291 bGQganVzdCBrZWVwIGl0IHNvbWV3aGVyZSBpbiBpbml0L3Jlc3VtZSBwYXRoIHJhdGhlciB0aGFu IHBvbGx1dGluZwo+IC5nZXRfZGlzcGxheV9jbG9ja19zcGVlZCB3aXRoIGl0LiBXZSBzaG91bGQg YmUgY2FsbGluZwo+IGludGVsX3VwZGF0ZV9jZGNsaygpIGluIHRob3NlIHBhdGhzIHNvbWV3aGVy ZSwgc28gZG9pbmcgdGhlIGZpeHVwIGp1c3QKPiBiZWZvcmUgdGhhdCBzaG91bGQgYmUgc3VmZmlj aWVudC4KCkkgdGhpbmssIGdldF9kaXNwbGF5X2Nsb2NrX3NwZWVkIHNob3VsZCBiZSBva2F5IHdo ZXJlIGl0IHJldHVybnMgdmFsaWQgCmNkY2xrIGlmIHByb2dyYW1tZWQgY29ycmVjdGx5IGVsc2Ug cmV0dXJucyAtRUlOVkFMLiBJbiBjYXNlIG9mIGJvb3QsIAppbnZhbGlkIG1lYW5zIHByZS1PUyBk aWQgbm90IHRyeSB0byBlbmFibGUgZGlzcGxheSBhbmQgYmFzZWQgb24gdGhlIAplcnJvciwgZHVy aW5nIGRkaV9wbGxfaW5pdCwgd2UgY2FuIHNhZmVseSBjYWxsIHNrbF9pbml0X2NkY2xrLgoKPgo+ PiBJZiBhbGwgbG9va3MgZ29vZCwgdGhlbiBza2lwCj4+IGVsc2UgaW5pdGlhbGl6ZS4gTm93IGlu IHRoYXQgY2FzZSBpZiB3ZSBoYXZlIHRvIGluaXRpYWxpemUgd2hlcmUgZG8gd2UKPj4gZ2V0IHRo ZSBjZGNsb2NrIHRvIGluaXRpYWxpemUgd2l0aCBhdCB0aGlzIHBvaW50ID8gQW55IGRlZmF1bHQg aW4gVkJUID8KPj4gT3IgZ28gd2l0aCBtaW5pbXVtIGJ5IGRlZmF1bHQgYW5kIGl0IGNhbiBiZSBi dW1wZWQgdXAgbGF0ZXIgaWYgbmVlZGVkLgo+Cj4gQ2FuIHdlIGZpZ3VyZSBvdXQgdGhlIGVEUCBs aW5rIHJhdGUgcmVxdWlyZW1lbnRzIGFoZWFkIG9mIHRpbWUgZnJvbQo+IFZCVD8gVGhhdCBzaG91 bGQgZGljdGF0ZSB3aGF0IHRoZSBWQ08gZnJlcXVlbmN5IGhhcyB0byBiZS4gSWYgd2UKPiBnZXQg aXQgd3JvbmcsIHRoZW4gd2UnZCBoYXZlIHRvIGNoYW5nZSB0aGUgVkNPIGFnYWluIGFmdGVyIHRo ZSBlRFAKPiBwcm9iZSBoYXMgdG9sZCB1cyB3aGF0IHdlIGFjdHVhbGx5IG5lZWQuIFN1Y2ggYSBz ZWNvbmQgZml4dXAgY291bGQKPiBhY3R1YWxseSBiZSBsZWZ0IHVwIHRvIHRoZSBub3JtYWwgbW9k ZXNldCBjYWxjX2NkY2xrIHN0dWZmLCB3aGljaAo+IHNob3VsZG4ndCByZWFsbHkgbmVlZCBhbnkg c3BlY2lhbCBoYW5kbGluZyBmb3IgaXQgYXBhcnQgZnJvbSBhY3R1YWxseQo+IHVwZGF0aW5nIHRo ZSBEUExMMCBzZXR0aW5ncyBpZiBuZWVkZWQsIGluIGFkZGl0aW9uIHRvIHRoZSBub3JtYWwgY2Rj bGsKPiBkaXZpZGVyIHN0dWZmLgo+Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4Cg==