From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Sanchez, AdolfoX" Subject: Disable power management on i915 Date: Mon, 1 Aug 2016 20:08:54 +0000 Message-ID: <56B36C37A8AFDD43BD486A5FC41A6D991E281C18@CRSMSX101.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0073959479==" Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id EA3416E01E for ; Mon, 1 Aug 2016 20:08:56 +0000 (UTC) Content-Language: en-US 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 --===============0073959479== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_56B36C37A8AFDD43BD486A5FC41A6D991E281C18CRSMSX101amrcor_" --_000_56B36C37A8AFDD43BD486A5FC41A6D991E281C18CRSMSX101amrcor_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hello. I would like to know what is the best way to disable power management on th= e GPU unit, the purpose is to avoid GPU power transitions to avoid voltage = swings. Additional information: Platform: Bay Trail J1900 O.S: Linux Kernel 4.4 Any help would be appreciated. Best Regards, Adolfo Sanchez. --_000_56B36C37A8AFDD43BD486A5FC41A6D991E281C18CRSMSX101amrcor_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hello.

I would like to know what is the best way to disable= power management on the GPU unit, the purpose is to avoid GPU power transi= tions to avoid voltage swings.

Additional information:

Platform: Bay Trail J1900

O.S: Linux Kernel 4.4

Any help would be appreciated.

Best Regards,=

Adolfo Sanchez.

--_000_56B36C37A8AFDD43BD486A5FC41A6D991E281C18CRSMSX101amrcor_-- --===============0073959479== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4 IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg== --===============0073959479==-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: Disable power management on i915 Date: Tue, 02 Aug 2016 10:47:52 +0300 Message-ID: <1470124072.4009.2.camel@linux.intel.com> References: <56B36C37A8AFDD43BD486A5FC41A6D991E281C18@CRSMSX101.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 1BA1B6E3F7 for ; Tue, 2 Aug 2016 07:47:59 +0000 (UTC) In-Reply-To: <56B36C37A8AFDD43BD486A5FC41A6D991E281C18@CRSMSX101.amr.corp.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Sanchez, AdolfoX" , "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org T24gbWEsIDIwMTYtMDgtMDEgYXQgMjA6MDggKzAwMDAsIFNhbmNoZXosIEFkb2xmb1ggd3JvdGU6 Cj4gSGVsbG8uCj4gwqAKPiBJIHdvdWxkIGxpa2UgdG8ga25vdyB3aGF0IGlzIHRoZSBiZXN0IHdh eSB0byBkaXNhYmxlIHBvd2VyIG1hbmFnZW1lbnQKPiBvbiB0aGUgR1BVIHVuaXQsIHRoZSBwdXJw b3NlIGlzIHRvIGF2b2lkIEdQVSBwb3dlciB0cmFuc2l0aW9ucyB0bwo+IGF2b2lkIHZvbHRhZ2Ug c3dpbmdzLgoKaTkxNS5lbmFibGVfcmM2PTAgd291bGQgYmUgYSBzdGFydC4gRG8geW91IGFsc28g d2FudCB0byBmaXggdGhlIEdQVQpmcmVxdWVuY3k/CgpNYXkgSSBhbHNvIGFzayB3aHkgeW91IHdh bnQgdG8gZG8gc3VjaCB0aGluZz8KClJlZ2FyZHMsIEpvb25hcwoKPiDCoAo+IEFkZGl0aW9uYWwg aW5mb3JtYXRpb246Cj4gUGxhdGZvcm06IEJheSBUcmFpbCBKMTkwMAo+IE8uUzogTGludXggS2Vy bmVsIDQuNAo+IMKgCj4gQW55IGhlbHAgd291bGQgYmUgYXBwcmVjaWF0ZWQuCj4gwqAKPiBCZXN0 IFJlZ2FyZHMsCj4gQWRvbGZvIFNhbmNoZXouCj4gwqAKPiBfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwo+IEludGVsLWdmeCBtYWlsaW5nIGxpc3QKPiBJbnRl bC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngKLS0gCkpvb25hcyBMYWh0aW5lbgpPcGVuIFNv dXJjZSBUZWNobm9sb2d5IENlbnRlcgpJbnRlbCBDb3Jwb3JhdGlvbgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJ bnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg== From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Sanchez, AdolfoX" Subject: Re: Disable power management on i915 Date: Tue, 2 Aug 2016 21:07:13 +0000 Message-ID: <56B36C37A8AFDD43BD486A5FC41A6D991E283FE7@CRSMSX101.amr.corp.intel.com> References: <56B36C37A8AFDD43BD486A5FC41A6D991E281C18@CRSMSX101.amr.corp.intel.com> <1470124072.4009.2.camel@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 A95716E67B for ; Tue, 2 Aug 2016 21:07:26 +0000 (UTC) In-Reply-To: <1470124072.4009.2.camel@linux.intel.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Joonas Lahtinen , "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org SGVsbG8gSm9vbmFzLA0KDQpUaGFua3MgZm9yIHlvdXIgYW5zd2VyLg0KSXQgaXMgYSB0ZXN0IHJl bGF0ZWQgZm9yIHRoaXMgYnVnOiBodHRwczovL2J1Z3ppbGxhLmtlcm5lbC5vcmcvc2hvd19idWcu Y2dpP2lkPTEwOTA1MQ0KDQpCZXN0IFJlZ2FyZHMsDQpBZG9sZm8gU2FuY2hleg0KDQoNCi0tLS0t T3JpZ2luYWwgTWVzc2FnZS0tLS0tDQpGcm9tOiBKb29uYXMgTGFodGluZW4gW21haWx0bzpqb29u YXMubGFodGluZW5AbGludXguaW50ZWwuY29tXSANClNlbnQ6IFR1ZXNkYXksIEF1Z3VzdCAwMiwg MjAxNiAxOjQ4IEFNDQpUbzogU2FuY2hleiwgQWRvbGZvWCA8YWRvbGZveC5zYW5jaGV6QGludGVs LmNvbT47IGludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcNClN1YmplY3Q6IFJlOiBbSW50 ZWwtZ2Z4XSBEaXNhYmxlIHBvd2VyIG1hbmFnZW1lbnQgb24gaTkxNQ0KDQpPbiBtYSwgMjAxNi0w OC0wMSBhdCAyMDowOCArMDAwMCwgU2FuY2hleiwgQWRvbGZvWCB3cm90ZToNCj4gSGVsbG8uDQo+ IMKgDQo+IEkgd291bGQgbGlrZSB0byBrbm93IHdoYXQgaXMgdGhlIGJlc3Qgd2F5IHRvIGRpc2Fi bGUgcG93ZXIgbWFuYWdlbWVudCANCj4gb24gdGhlIEdQVSB1bml0LCB0aGUgcHVycG9zZSBpcyB0 byBhdm9pZCBHUFUgcG93ZXIgdHJhbnNpdGlvbnMgdG8gDQo+IGF2b2lkIHZvbHRhZ2Ugc3dpbmdz Lg0KDQppOTE1LmVuYWJsZV9yYzY9MCB3b3VsZCBiZSBhIHN0YXJ0LiBEbyB5b3UgYWxzbyB3YW50 IHRvIGZpeCB0aGUgR1BVIGZyZXF1ZW5jeT8NCg0KTWF5IEkgYWxzbyBhc2sgd2h5IHlvdSB3YW50 IHRvIGRvIHN1Y2ggdGhpbmc/DQoNClJlZ2FyZHMsIEpvb25hcw0KDQo+IMKgDQo+IEFkZGl0aW9u YWwgaW5mb3JtYXRpb246DQo+IFBsYXRmb3JtOiBCYXkgVHJhaWwgSjE5MDANCj4gTy5TOiBMaW51 eCBLZXJuZWwgNC40DQo+IMKgDQo+IEFueSBoZWxwIHdvdWxkIGJlIGFwcHJlY2lhdGVkLg0KPiDC oA0KPiBCZXN0IFJlZ2FyZHMsDQo+IEFkb2xmbyBTYW5jaGV6Lg0KPiDCoA0KPiBfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXw0KPiBJbnRlbC1nZnggbWFpbGlu ZyBsaXN0DQo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcNCj4gaHR0cHM6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngNCi0tDQpKb29uYXMg TGFodGluZW4NCk9wZW4gU291cmNlIFRlY2hub2xvZ3kgQ2VudGVyDQpJbnRlbCBDb3Jwb3JhdGlv bg0KDQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: Disable power management on i915 Date: Wed, 03 Aug 2016 11:02:36 +0300 Message-ID: <1470211356.3860.6.camel@linux.intel.com> References: <56B36C37A8AFDD43BD486A5FC41A6D991E281C18@CRSMSX101.amr.corp.intel.com> <1470124072.4009.2.camel@linux.intel.com> <56B36C37A8AFDD43BD486A5FC41A6D991E283FE7@CRSMSX101.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTP id 2740E6E1E7 for ; Wed, 3 Aug 2016 08:02:48 +0000 (UTC) In-Reply-To: <56B36C37A8AFDD43BD486A5FC41A6D991E283FE7@CRSMSX101.amr.corp.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Sanchez, AdolfoX" , "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org T24gdGksIDIwMTYtMDgtMDIgYXQgMjE6MDcgKzAwMDAsIFNhbmNoZXosIEFkb2xmb1ggd3JvdGU6 Cj4gSGVsbG8gSm9vbmFzLAo+IAo+IFRoYW5rcyBmb3IgeW91ciBhbnN3ZXIuCj4gSXQgaXMgYSB0 ZXN0IHJlbGF0ZWQgZm9yIHRoaXMgYnVnOiBodHRwczovL2J1Z3ppbGxhLmtlcm5lbC5vcmcvc2hv d19idWcuY2dpP2lkPTEwOTA1MQo+IAoKVGhlIG9yaWdpbmFsIEZETyBidWcgd2hpY2ggY29udGFp bnMgdGhlIHN0ZXBzIG9mIHRoZSBkZWJ1Z2dpbmcgZm9yIGk5MTUKZHJpdmVyOgoKaHR0cHM6Ly9i dWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9ODgwMTIKCkRvIG5vdGUgdGhhdCB0 aGUgYnVnIHdhcyBjbG9zZWQgZm9yIGk5MTUgYXMgaXQgZmlndXJlZCBvdXQgdG8gYmUgQ1BVCnBv d2VyIG1hbmFnZW1lbnQgcHJvYmxlbSwgR1BVIHBvd2VyIHRyYW5zaXRpb24ganVzdCBtYWRlIHRo ZSB1bnN0YWJsZQp0b3dlciB0b3BwbGUuCgpSZWdhcmRzLCBKb29uYXMKCj4gQmVzdCBSZWdhcmRz LAo+IEFkb2xmbyBTYW5jaGV6Cj4gCj4gCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0KPiBG cm9tOiBKb29uYXMgTGFodGluZW4gW21haWx0bzpqb29uYXMubGFodGluZW5AbGludXguaW50ZWwu Y29tXcKgCj4gU2VudDogVHVlc2RheSwgQXVndXN0IDAyLCAyMDE2IDE6NDggQU0KPiBUbzogU2Fu Y2hleiwgQWRvbGZvWCA8YWRvbGZveC5zYW5jaGV6QGludGVsLmNvbT47IGludGVsLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKPiBTdWJqZWN0OiBSZTogW0ludGVsLWdmeF0gRGlzYWJsZSBwb3dl ciBtYW5hZ2VtZW50IG9uIGk5MTUKPiAKPiBPbiBtYSwgMjAxNi0wOC0wMSBhdCAyMDowOCArMDAw MCwgU2FuY2hleiwgQWRvbGZvWCB3cm90ZToKPiA+IAo+ID4gSGVsbG8uCj4gPiDCoAo+ID4gSSB3 b3VsZCBsaWtlIHRvIGtub3cgd2hhdCBpcyB0aGUgYmVzdCB3YXkgdG8gZGlzYWJsZSBwb3dlciBt YW5hZ2VtZW50wqAKPiA+IG9uIHRoZSBHUFUgdW5pdCwgdGhlIHB1cnBvc2UgaXMgdG8gYXZvaWQg R1BVIHBvd2VyIHRyYW5zaXRpb25zIHRvwqAKPiA+IGF2b2lkIHZvbHRhZ2Ugc3dpbmdzLgo+IGk5 MTUuZW5hYmxlX3JjNj0wIHdvdWxkIGJlIGEgc3RhcnQuIERvIHlvdSBhbHNvIHdhbnQgdG8gZml4 IHRoZSBHUFUgZnJlcXVlbmN5Pwo+IAo+IE1heSBJIGFsc28gYXNrIHdoeSB5b3Ugd2FudCB0byBk byBzdWNoIHRoaW5nPwo+IAo+IFJlZ2FyZHMsIEpvb25hcwo+IAo+ID4gCj4gPiDCoAo+ID4gQWRk aXRpb25hbCBpbmZvcm1hdGlvbjoKPiA+IFBsYXRmb3JtOiBCYXkgVHJhaWwgSjE5MDAKPiA+IE8u UzogTGludXggS2VybmVsIDQuNAo+ID4gwqAKPiA+IEFueSBoZWxwIHdvdWxkIGJlIGFwcHJlY2lh dGVkLgo+ID4gwqAKPiA+IEJlc3QgUmVnYXJkcywKPiA+IEFkb2xmbyBTYW5jaGV6Lgo+ID4gwqAK PiA+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gPiBJ bnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gPiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cj4gPiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVs LWdmeAo+IC0tCj4gSm9vbmFzIExhaHRpbmVuCj4gT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50 ZXIKPiBJbnRlbCBDb3Jwb3JhdGlvbgo+IAotLSAKSm9vbmFzIExhaHRpbmVuCk9wZW4gU291cmNl IFRlY2hub2xvZ3kgQ2VudGVyCkludGVsIENvcnBvcmF0aW9uCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=