From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 1/2] drm/i915: Try to suppress more spurious PCH underruns on ILK-IVB Date: Thu, 24 May 2018 23:31:35 +0300 Message-ID: <20180524203135.GX23723@intel.com> References: <20180524190406.2973-1-ville.syrjala@linux.intel.com> <152719286381.11749.10932985662004261689@mail.alporthouse.com> <152719293787.11749.16734607486864897533@mail.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id B104C6E0D7 for ; Thu, 24 May 2018 20:31:40 +0000 (UTC) Content-Disposition: inline In-Reply-To: <152719293787.11749.16734607486864897533@mail.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 Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBNYXkgMjQsIDIwMTggYXQgMDk6MTU6MzdQTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IFF1b3RpbmcgQ2hyaXMgV2lsc29uICgyMDE4LTA1LTI0IDIxOjE0OjIzKQo+ID4gUXVv dGluZyBWaWxsZSBTeXJqYWxhICgyMDE4LTA1LTI0IDIwOjA0OjA1KQo+ID4gPiBGcm9tOiBWaWxs ZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgo+ID4gPiAKPiA+ID4g TXkgSUxLIHNlZW1zIHRvIGdlbmVyYXRlIGEgc3B1cmlvdXMgUENIIHVuZGVycnVuIHdpdGggbW9z dCBpbnRlcmxhY2VkCj4gPiA+IEhETUkgbW9kZXMuIEFkZCBhIHNlY29uZCB2Ymxhbmsgd2FpdCB0 byBhdm9pZCBpdC4KPiA+ID4gCj4gPiA+IFdlIGhhdmUgc2VlbiBzb21lIHNwdXJpb3VzIFBDSCB1 bmRlcnJ1bnMgc3RpbGwgaW4gQ0kgYXMgd2VsbCwgc29tZQo+ID4gPiBvZiB3aGljaCBzZWVtIHRv IGJlIHByb2dyZXNzaXZlIERQLiBUaGUgbG9ncyBhbHNvIHBvaW50IHRvd2FyZHMgc29tZQo+ID4g PiBzcHVyaW91cyB1bmRlcnJpbnMgd2l0aCBwcm9ncmVzc2l2ZSBIRE1JIG9uIFNOQi4gV2hpbGUg SSBkb24ndCBoYXZlCj4gPiA+IGEgc29saWQgZXhwbGFuYXRpb24gZm9yIHRob3NlIGxldCdzIHRy eSB0byBraWxsIGFsbCB0aGUgYmlyZHMgd2l0aCBvbmUKPiA+ID4gc3RvbmUgYW5kIGFsd2F5cyBk byB0aGUgZG91YmxlIHdhaXQuCj4gPiA+IAo+ID4gPiBCdXppbGxhOiBodHRwczovL2J1Z3MuZnJl ZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD0xMDYzODcKPiA+ID4gU2lnbmVkLW9mZi1ieTog VmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiA+ID4gLS0t Cj4gPiA+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMgfCAxMSArKysrKysr KystLQo+ID4gPiAgMSBmaWxlIGNoYW5nZWQsIDkgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMo LSkKPiA+ID4gCj4gPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9k aXNwbGF5LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKPiA+ID4gaW5k ZXggNzYwNGZiZGEwNjA3Li5iNWZhNDk0MzM3MmEgMTAwNjQ0Cj4gPiA+IC0tLSBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYwo+ID4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kaXNwbGF5LmMKPiA+ID4gQEAgLTU1MjgsOSArNTUyOCwxNiBAQCBzdGF0aWMg dm9pZCBpcm9ubGFrZV9jcnRjX2VuYWJsZShzdHJ1Y3QgaW50ZWxfY3J0Y19zdGF0ZSAqcGlwZV9j b25maWcsCj4gPiA+ICAgICAgICAgaWYgKEhBU19QQ0hfQ1BUKGRldl9wcml2KSkKPiA+ID4gICAg ICAgICAgICAgICAgIGNwdF92ZXJpZnlfbW9kZXNldChkZXYsIGludGVsX2NydGMtPnBpcGUpOwo+ ID4gPiAgCj4gPiA+IC0gICAgICAgLyogTXVzdCB3YWl0IGZvciB2YmxhbmsgdG8gYXZvaWQgc3B1 cmlvdXMgUENIIEZJRk8gdW5kZXJydW5zICovCj4gPiA+IC0gICAgICAgaWYgKGludGVsX2NydGMt PmNvbmZpZy0+aGFzX3BjaF9lbmNvZGVyKQo+ID4gPiArICAgICAgIC8qCj4gPiA+ICsgICAgICAg ICogTXVzdCB3YWl0IGZvciB2YmxhbmsgdG8gYXZvaWQgc3B1cmlvdXMgUENIIEZJRk8gdW5kZXJy dW5zLgo+ID4gPiArICAgICAgICAqIEFuZCBhIHNlY29uZCB2Ymxhbmsgd2FpdCBpcyBuZWVkZWQg YXQgbGVhc3Qgb24gSUxLIHdpdGgKPiA+ID4gKyAgICAgICAgKiBzb21lIGludGVybGFjZWQgSERN SSBtb2Rlcy4gTGV0J3MgZG8gdGhlIGRvdWJsZSB3YWl0IGFsd2F5cwo+ID4gPiArICAgICAgICAq IGluIGNhc2UgdGhlcmUgYXJlIG1vcmUgY29ybmVyIGNhc2VzIHdlIGRvbid0IGtub3cgYWJvdXQu Cj4gPiA+ICsgICAgICAgICovCj4gPiA+ICsgICAgICAgaWYgKGludGVsX2NydGMtPmNvbmZpZy0+ aGFzX3BjaF9lbmNvZGVyKSB7Cj4gPiA+ICsgICAgICAgICAgICAgICBpbnRlbF93YWl0X2Zvcl92 YmxhbmsoZGV2X3ByaXYsIHBpcGUpOwo+ID4gPiAgICAgICAgICAgICAgICAgaW50ZWxfd2FpdF9m b3JfdmJsYW5rKGRldl9wcml2LCBwaXBlKTsKPiA+IAo+ID4gVGhlIG9ubHkgcHVycG9zZSBmb3Ig dGhlIGRvdWJsZSB3YWl0IGhlcmUgaXMgZm9yIGRlbGF5aW5nIHRoZSBzd2l0Y2hpbmcKPiA+IG9u IG9mIHVuZGVycnVuIHJlcG9ydGluZywgcmlnaHQ/IEl0IGRvZXNuJ3QgYWNjaWRlbnRhbGx5IGZp eCBhbnl0aGluZwo+ID4gZWxzZT8KPiAKPiBFLmcuIGluIGEgbXVsdGktY3J0YyBzZXR1cCwgdGhh dCdzIGEgYmlnIGRlbGF5IGJldHdlZW4gc3dpdGNoaW5nIG9uIGEKPiBwYWlyIG9mIHBpcGVzLgoK SSB3YXMgdGVzdGluZyB3aXRoIG9uZSBwaXBlIG9ubHkuIFNvIGF0IGxlYXN0IGl0J3Mgbm90IG1l YW50IHRvIGRvCmFueXRoaW5nIGVsc2UuCgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWls aW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=