From mboxrd@z Thu Jan 1 00:00:00 1970 From: Damien Lespiau Subject: Re: [PATCH] drm/i915: Don't clear all watermarks when updating. Date: Thu, 16 Jul 2015 13:30:11 +0100 Message-ID: <20150716123011.GB2639@strange.ger.corp.intel.com> References: <1436371553-32370-1-git-send-email-bob.j.paauwe@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 9F3576E6F4 for ; Thu, 16 Jul 2015 05:30:13 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1436371553-32370-1-git-send-email-bob.j.paauwe@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Bob Paauwe Cc: intel-gfx List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBKdWwgMDgsIDIwMTUgYXQgMDk6MDU6NTNBTSAtMDcwMCwgQm9iIFBhYXV3ZSB3cm90 ZToKPiBDbGVhcmluZyB0aGUgd2F0ZXJtYXJrcyBmb3IgYWxsIHBpcGVzL3BsYW5lcyB3aGVuIHVw ZGF0aW5nIHRoZQo+IHdhdGVybWFya3MgZm9yIGEgc2luZ2xlIENSVEMgY2hhbmdlIHNlZW1zIGxp a2UgdGhlIHdyb25nIHRoaW5nIHRvCj4gZG8gaGVyZS4gQXMgaXMsIHRoaXMgY29kZSB3aWxsIHVw ZGF0ZSBhbnkgcGlwZS9wbGFuZSB3YXRlcm1hcmtzCj4gdGhhdCBuZWVkIHVwZGF0aW5nIGFuZCBs ZWF2ZSB0aGUgcmVtYWluaW5nIHNldCB0byB6ZXJvLiAgTGF0ZXIsIHRoZQo+IHdhdGVybWFyayBj aGVja3MgaW4gY2hlY2tfd21fc3RhdGUoKSB3aWxsIGZsYWcgdGhlc2UgemVybydkIG91dCBwaXBl L3BsYW5lCj4gd2F0ZXJtYXJrcyBhbmQgdGhyb3cgZXJyb3JzLgo+IAo+IEJ5IG5vdCBjbGVhcmlu ZyBhbGwgcGlwZS9wbGFuZSB3YXRlcm1hcmsgdmFsdWVzLCBvbmx5IHRob3NlIHRoYXQKPiByZXF1 aXJlIGNoYW5nZXMgYXJlIGNoYW5nZWQgYW5kIHRoZSByZW1haW5pbmcgc3RheSB1bmNoYW5nZWQu Cj4gCj4gU2lnbmVkLW9mZi1ieTogQm9iIFBhYXV3ZSA8Ym9iLmoucGFhdXdlQGludGVsLmNvbT4K CkhpIEJvYiwKClRoZSBzcGlyaXQgb2YgdGhpcyBwYXRjaCBsb29rcyBnb29kIHRvIG1lICh0aGFu a3MgZm9yIGxvb2tpbmcgaW50bwp0aGlzISksIGJ1dCB3ZSBJIHRoaW5rIHdlIHN0aWxsIG5lZWQg dG8gY2xlYXIgdGhlIGRhdGEgZm9yIHRoZSBwaXBlCndlJ3JlIGFyZSB1cGRhdGluZyBhcyBpdCB3 aWxsIGNvbnRhaW4gc3RhbGUgdmFsdWVzIGZyb20gdGhlIHByZXZpb3VzCnNrbF91cGRhdGVfd20o KS4KCkZvciBpbnN0YW5jZSB3ZSBkb24ndCByZXNldCAtPmRpcnR5W3BpcGVdIHRvIGZhbHNlIGFm dGVyIHRoZSByZWdpc3Rlcgp3cml0ZSBhbmQgd2VyZSByZWx5aW5nIG9uIHRoYXQgbWVtc2V0LiAy IG9wdGlvbnMgSSBjYW4gc2VlOgoKICAtIHNlbGVjdGl2ZWx5IHplcm8gYWxsIHRoZSBmaWVsZHMg Zm9yIHRoYXQgcGlwZSAobm90IGhlbHBlZCBieSB0aGUKICAgIGZhY3Qgd2UgaGF2ZSBhcnJheXMg aW5kZXhlZCBieSB0aGUgcGlwZSAoYXJyYXkgb2Ygc3RydWN0dXJlIFZzCiAgICBzdHJ1Y3R1cmUg b2YgYXJyYXlzKSkKICAtIG1ha2Ugc3VyZSB3ZSBkb24ndCByZWx5IG9uIGFueSBmaWVsZCBmcm9t IHRoZSBwcmV2aW91cyBjYWxsIChlZy4KICAgIHVwZGF0ZSAtPmRpcnR5IGluIHNrbF93cml0ZV93 bV92YWx1ZXMoKSkKCkkgaGF2ZSBhIHNsaWdodCBwcmVmZXJlbmNlIGZvciB0aGUgZmlyc3Qgc29s dXRpb24gYXMgaXQgc2VlbXMgYSBiaXQgbW9yZQpmb29sIHByb29mLCBidXQgZG9uJ3QgbWluZCBl aXRoZXIgd2F5LgoKVGhhbmtzLAoKLS0gCkRhbWllbgoKPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfcG0uYyB8IDIgLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDIgZGVsZXRpb25zKC0p Cj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMgYi9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wbS5jCj4gaW5kZXggYzJmODk1Ni4uMjVmYzMxOSAxMDA2 NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wbS5jCj4gKysrIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYwo+IEBAIC0zNzM0LDggKzM3MzQsNiBAQCBzdGF0aWMg dm9pZCBza2xfdXBkYXRlX3dtKHN0cnVjdCBkcm1fY3J0YyAqY3J0YykKPiAgCXN0cnVjdCBza2xf cGlwZV93bSBwaXBlX3dtID0ge307Cj4gIAlzdHJ1Y3QgaW50ZWxfd21fY29uZmlnIGNvbmZpZyA9 IHt9Owo+ICAKPiAtCW1lbXNldChyZXN1bHRzLCAwLCBzaXplb2YoKnJlc3VsdHMpKTsKPiAtCj4g IAlza2xfY29tcHV0ZV93bV9nbG9iYWxfcGFyYW1ldGVycyhkZXYsICZjb25maWcpOwo+ICAKPiAg CWlmICghc2tsX3VwZGF0ZV9waXBlX3dtKGNydGMsICZwYXJhbXMsICZjb25maWcsCj4gLS0gCj4g Mi4xLjAKPiAKPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f Xwo+IEludGVsLWdmeCBtYWlsaW5nIGxpc3QKPiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Au b3JnCj4gaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVs LWdmeApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=