From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 1/2] drm/i915: Use efficient frequency for HSW/BDW Date: Wed, 12 Nov 2014 09:37:52 +0100 Message-ID: <20141112083751.GH25711@phenom.ffwll.local> References: <1415237495-89576-1-git-send-email-Tom.O'Rourke@intel.com> <1415237495-89576-2-git-send-email-Tom.O'Rourke@intel.com> <20141107104126.GQ3250@nuc-i3427.alporthouse.com> <20141107222538.GB93723@torourke-desk1> <20141108082504.GW3250@nuc-i3427.alporthouse.com> <20141111151309.GY25711@phenom.ffwll.local> <20141111161222.GG8220@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wi0-f179.google.com (mail-wi0-f179.google.com [209.85.212.179]) by gabe.freedesktop.org (Postfix) with ESMTP id EF5006E25B for ; Wed, 12 Nov 2014 00:37:33 -0800 (PST) Received: by mail-wi0-f179.google.com with SMTP id h11so4046968wiw.12 for ; Wed, 12 Nov 2014 00:37:33 -0800 (PST) Content-Disposition: inline In-Reply-To: <20141111161222.GG8220@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , Daniel Vetter , "O'Rourke, Tom" , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBOb3YgMTEsIDIwMTQgYXQgMDQ6MTI6MjJQTSArMDAwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IE9uIFR1ZSwgTm92IDExLCAyMDE0IGF0IDA0OjEzOjA5UE0gKzAxMDAsIERhbmllbCBW ZXR0ZXIgd3JvdGU6Cj4gPiBPbiBTYXQsIE5vdiAwOCwgMjAxNCBhdCAwODoyNTowNEFNICswMDAw LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gPiA+IE9uIEZyaSwgTm92IDA3LCAyMDE0IGF0IDAyOjI1 OjM4UE0gLTA4MDAsIE8nUm91cmtlLCBUb20gd3JvdGU6Cj4gPiA+ID4gT24gRnJpLCBOb3YgMDcs IDIwMTQgYXQgMTA6NDE6MjZBTSArMDAwMCwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+ID4gPiA+ID4g T24gV2VkLCBOb3YgMDUsIDIwMTQgYXQgMDU6MzE6MzRQTSAtMDgwMCwgVG9tLk8nUm91cmtlQGlu dGVsLmNvbSB3cm90ZToKPiA+ID4gPiA+ID4gRnJvbTogVG9tIE8nUm91cmtlIDxUb20uTydSb3Vy a2VAaW50ZWwuY29tPgo+ID4gPiA+ID4gPiAKPiA+ID4gPiA+ID4gVXBkYXRlZCBnZW42fDhfZW5h YmxlX3JwcygpIGZvciBIYXN3ZWxsIGFuZCBCcm9hZHdlbGwKPiA+ID4gPiA+ID4gdG8gdXNlIHRo ZSBlZmZpY2llbnQgZnJlcXVlbmN5IHJlYWQgZnJvbSBwY29kZS4KPiA+ID4gPiA+ID4gCj4gPiA+ ID4gPiA+IEFkZGVkIGhzd191c2VfZWZmaWNpZW50X2ZyZXEoKSB0byByZWFkIGVmZmljaWVudAo+ ID4gPiA+ID4gPiBmcmVxdWVuY3kgKGFrYSBSUGUpIGZyb20gcGNvZGUuICBUaGUgZWZmaWNpZW5j eSBpcwo+ID4gPiA+ID4gPiBiYXNlZCBvbiB0aGUgZnJlcXVlbmN5L3Bvd2VyIHJhdGlvIChNSHov Vyk7IHRoaXMgaXMKPiA+ID4gPiA+ID4gY29uc2lkZXJpbmcgR1QgcG93ZXIgYW5kIG5vdCBwYWNr YWdlIHBvd2VyLiAgVGhlCj4gPiA+ID4gPiA+IGVmZmljZW50IGZyZXF1ZW5jeSBpcyB0aGUgaGln aGVzdCBmcmVxdWVuY3kgZm9yIHdoaWNoCj4gPiA+ID4gPiA+IHRoZSBmcmVxdWVuY3kvcG93ZXIg cmF0aW8gaXMgd2l0aGluIHNvbWUgdGhyZXNob2xkIG9mCj4gPiA+ID4gPiA+IHRoZSBoaWdoZXN0 IGZyZXF1ZW5jeS9wb3dlciByYXRpby4KPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+IEFsc28gc2V0 IHRoZSBtaW5fZnJlcV9zb2Z0bGltaXQgdG8gdGhlIGVmZmljaWVudAo+ID4gPiA+ID4gPiBmcmVx dWVuY3kuICBBIGZpeGVkIGRlY3JlYXNlIGluIGZyZXF1ZW5jeSByZXN1bHRzIGluCj4gPiA+ID4g PiA+IHNtYWxsZXIgZGVjcmVhc2UgaW4gcG93ZXIgYXQgZnJlcXVlbmNpZXMgbGVzcyB0aGFuIFJQ ZQo+ID4gPiA+ID4gPiB0aGFuIGF0IGZyZXF1ZW5jaWVzIGFib3ZlIFJQZS4KPiA+ID4gPiA+ID4g Cj4gPiA+ID4gPiA+IFNpZ25lZC1vZmYtYnk6IFRvbSBPJ1JvdXJrZSA8VG9tLk8nUm91cmtlQGlu dGVsLmNvbT4KPiA+ID4gPiA+ID4gLS0tCj4gPiA+ID4gPiA+ICBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X3JlZy5oIHwgICAgMSArCj4gPiA+ID4gPiA+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9wbS5jIHwgICAyMiArKysrKysrKysrKysrKysrKysrKysrCj4gPiA+ID4gPiA+ICAyIGZp bGVzIGNoYW5nZWQsIDIzIGluc2VydGlvbnMoKykKPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+IGRp ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlZy5oIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9yZWcuaAo+ID4gPiA+ID4gPiBpbmRleCBkNDNmYTBlLi42ZmJmZGVjIDEw MDY0NAo+ID4gPiA+ID4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlZy5oCj4g PiA+ID4gPiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVnLmgKPiA+ID4gPiA+ ID4gQEAgLTYwMTAsNiArNjAxMCw3IEBAIGVudW0gcHVuaXRfcG93ZXJfd2VsbCB7Cj4gPiA+ID4g PiA+ICAjZGVmaW5lICAgR0VONl9FTkNPREVfUkM2X1ZJRChtdikJCSgoKG12KSAtIDI0NSkgLyA1 KQo+ID4gPiA+ID4gPiAgI2RlZmluZSAgIEdFTjZfREVDT0RFX1JDNl9WSUQodmlkcykJCSgoKHZp ZHMpICogNSkgKyAyNDUpCj4gPiA+ID4gPiA+ICAjZGVmaW5lICAgRElTUExBWV9JUFNfQ09OVFJP TAkJCTB4MTkKPiA+ID4gPiA+ID4gKyNkZWZpbmUJICBIU1dfUENPREVfRFlOQU1JQ19EVVRZX0NZ Q0xFX0NPTlRST0wJMHgxQQo+ID4gPiA+ID4gPiAgI2RlZmluZSBHRU42X1BDT0RFX0RBVEEJCQkJ MHgxMzgxMjgKPiA+ID4gPiA+ID4gICNkZWZpbmUgICBHRU42X1BDT0RFX0ZSRVFfSUFfUkFUSU9f U0hJRlQJOAo+ID4gPiA+ID4gPiAgI2RlZmluZSAgIEdFTjZfUENPREVfRlJFUV9SSU5HX1JBVElP X1NISUZUCTE2Cj4gPiA+ID4gPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9wbS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYwo+ID4gPiA+ID4gPiBp bmRleCAzMDBkN2U1Li5lNDM0N2Q5IDEwMDY0NAo+ID4gPiA+ID4gPiAtLS0gYS9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9wbS5jCj4gPiA+ID4gPiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX3BtLmMKPiA+ID4gPiA+ID4gQEAgLTQ3MDYsNiArNDcwNiwxOCBAQCBzdGF0aWMg dm9pZCBwYXJzZV9ycF9zdGF0ZV9jYXAoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2 LCB1MzIgcnBfc3RhdGVfYwo+ID4gPiA+ID4gPiAgCQlkZXZfcHJpdi0+cnBzLm1pbl9mcmVxX3Nv ZnRsaW1pdCA9IGRldl9wcml2LT5ycHMubWluX2ZyZXE7Cj4gPiA+ID4gPiA+ICB9Cj4gPiA+ID4g PiA+ICAKPiA+ID4gPiA+ID4gK3N0YXRpYyB2b2lkIGhzd191c2VfZWZmaWNpZW50X2ZyZXEoc3Ry dWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KQo+ID4gPiA+ID4gCj4gPiA+ID4gPiB1c2Vf ZWZmaWNpZW50X2ZyZXEoKSA/Cj4gPiA+ID4gPiAKPiA+ID4gPiA+IFNob3VsZG4ndCB0aGlzIGJl Ogo+ID4gPiA+ID4gCj4gPiA+ID4gPiBwYXJzZV9ycF9zdGF0ZV9jYXAoKQo+ID4gPiA+ID4gICB7 Cj4gPiA+ID4gPiAgIC4uLgo+ID4gPiA+ID4gICBkZXZfcHJpdi0+cnBzLmVmZmljaWVudF9mcmVx ID0gcnBzX3JwZV9mcmVxKGRldl9wcml2KTsKPiA+ID4gPiA+ICAgLi4uCj4gPiA+ID4gPiAgIH0K PiA+ID4gPiA+IAo+ID4gPiA+IFRoZSBwYXJzZV9ycF9zdGF0ZV9jYXAoKSBmdW5jdGlvbiBpcyBm b3IgcGFyc2luZyB0aGUgCj4gPiA+ID4gUlBfU1RBVEVfQ0FQIHJlZ2lzdGVyLiAgVGhlIHBjb2Rl IHJlYWQgdG8gZ2V0IHRoZSAKPiA+ID4gPiBlZmZpY2llbnQgZnJlcXVlbmN5IHNlZW1zIG91dCBv ZiBzY29wZS4KPiA+ID4gCj4gPiA+IFJlbmFtZSBpdCB0aGVuLiAgVGhlIGZ1bmN0aW9uIHRoYXQg c2V0cyBycGUgc2VlbXMgdG8gYmUgdGhlIGlkZWFsIHBvaW50Cj4gPiA+IHRvIHNldCBycGUuLi4K PiA+IAo+ID4gV2VsbCByZWFkaW5nIHRoZSBycGUgdmFsdWUgc2VlbXMgdG8gYmUgcGxhdGZvcm1z IHNwZWNpZmljLiBJIHRoaW5rCj4gPiB1cGRhdGluZyB0aGUgY29tbWVudCBhcyBJJ3ZlIHN1Z2dl c3RlZCBpcyBnb29kIGVub3VnaCwgZXZlbiB3aGVuIG5vdAo+ID4gcmVhbGx5IHByZXR0eS4KPiAK PiBTbyB3aHkgbm90IGFkZCBpdCB0byBwaWVjZSBvZiBwbGF0Zm9ybSBzcGVjaWZpYyBjb2RlIHdl IGFscmVhZHkgaGFkIGZvcgo+IHRoZSBycGUgdmFsdWU/Cj4gCj4gQmVzaWRlcyB3aGljaCB0aGUg cG9pbnQgdGhhdCB1c2VfZWZmaWNpZW50X2ZyZXEoKSBpcyBhIHBvb3IgZnVuY3Rpb24KPiBuYW1l IHNlZW1zIHRvIGhhdmUgZmFsbGVuIGJ5IHRoZSB3YXlzaWRlLgoKT2sgSSd2ZSBhY3R1YWxseSBs b29rZWQgYXQgdGhlIGNvZGUgYW5kIHZsdi9jaHYgaXMgY29tcGxldGVseSBzZXBhcmF0ZS4gU28K eWVhaCBJIHRoaW5rIGJlc3QgdG8gZHJvcCB0aGUgZGVmYXVsdCB2YWx1ZSBmcm9tIHBhcnNlX3Jw X3N0YXRlX2NhcCwgZHJvcAp0aGUgdXNlX2VmZmljaWVudF9mcmVxIGZ1bmMgYW5kIGp1c3Qgb3Bl bi1jb2RlIHN0dWZmIGxpa2UgaW4gdmx2IHdpdGggYW4KaWYvZWxzZS4gTGVzcyBjb2RlLCBsZXNz IGNvbW1lbnRzIChubyBtb3JlIFhYWCwgeWF5ISkgYW5kIHNob3VsZCBiZQpjbGVhcmVyLgotRGFu aWVsCi0tIApEYW5pZWwgVmV0dGVyClNvZnR3YXJlIEVuZ2luZWVyLCBJbnRlbCBDb3Jwb3JhdGlv bgorNDEgKDApIDc5IDM2NSA1NyA0OCAtIGh0dHA6Ly9ibG9nLmZmd2xsLmNoCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxp c3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==