From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] drm/i915: Only write watermark registers if a pipe is active Date: Fri, 4 Mar 2016 12:52:41 +0200 Message-ID: <20160304105241.GO10446@intel.com> References: <1457044041-13978-1-git-send-email-matthew.d.roper@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 57D9F6E020 for ; Fri, 4 Mar 2016 10:52:44 +0000 (UTC) Content-Disposition: inline In-Reply-To: <1457044041-13978-1-git-send-email-matthew.d.roper@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Matt Roper Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBNYXIgMDMsIDIwMTYgYXQgMDI6Mjc6MjFQTSAtMDgwMCwgTWF0dCBSb3BlciB3cm90 ZToKPiBJZiBhbGwgcGlwZXMgYXJlIG9mZiwgdGhlbiB3ZSBtYXkgaGF2ZSBlbnRlcmVkIHJ1bnRp bWUgc3VzcGVuZCBhbmQKPiB3cml0aW5nIHRoZXNlIHJlZ2lzdGVycyB3aWxsIGhhdmUgbm8gZWZm ZWN0IGFueXdheS4gIFdoZW4gYSBwaXBlIGlzCj4gcmUtZW5hYmxlZCwgaXQncyBjcnRjX2VuYWJs ZSB3aWxsIHRha2UgY2FyZSBvZiBwcm9ncmFtbWluZyBhcHByb3ByaWF0ZQo+IHdhdGVybWFyayB2 YWx1ZXMuCj4gCj4gQ2M6IGFydW4uc2lsdXZlcnlAbGludXguaW50ZWwuY29tCj4gQ2M6IHZpbGxl LnN5cmphbGFAbGludXguaW50ZWwuY29tCj4gQnVnemlsbGE6IGh0dHBzOi8vYnVncy5mcmVlZGVz a3RvcC5vcmcvc2hvd19idWcuY2dpP2lkPTk0MzQ5Cj4gRml4ZXM6IGVkNGE2YTdjYTg1MyAoImRy bS9pOTE1OiBBZGQgdHdvLXN0YWdlIElMSy1zdHlsZSB3YXRlcm1hcmsgcHJvZ3JhbW1pbmcgKHYx MSkiKQo+IFNpZ25lZC1vZmYtYnk6IE1hdHQgUm9wZXIgPG1hdHRoZXcuZC5yb3BlckBpbnRlbC5j b20+Cj4gLS0tCj4gSSd2ZSBzdGlsbCBiZWVuIHVuYWJsZSB0byByZXByb2R1Y2UgdGhpcyBkZWZl Y3Qgb24gbXkgU05CIHN5c3RlbTsgbm9uZSBvZiB0aGUKPiBzdWdnZXN0ZWQgdGVzdHMgcGVvcGxl IGhhdmUgbm90ZWQgaW4gQnVnemlsbGEgaGF2ZSB0cmlnZ2VyZWQgaXQgZm9yIG1lLiAgQnV0Cj4g YmFzZWQgb24gdGhlIHN0YWNrIHRyYWNlIEknbSBndWVzc2luZyB0aGF0IHRoZSBwcm9ibGVtIGhh cHBlbnMgYmVjYXVzZSB3ZSd2ZQo+IGRpc2FibGVkIHRoZSBsYXN0IHBpcGUgYW5kIGdvbmUgaW50 byBydW50aW1lIHN1c3BlbmQgYmVmb3JlIHdlIGdldCBhcm91bmQgdG8KPiBvcHRpbWl6aW5nIHRo ZSB3YXRlcm1hcmtzLgo+IAo+IEknbSBub3Qgc3VwZXIgZmFtaWxpYXIgd2l0aCB0aGUgZGV0YWls cyBvZiBydW50aW1lIFBNLCBzbyBpZiB0aGVyZSdzIGEgYmV0dGVyCj4gd2F5IHRoaXMgc2hvdWxk IGJlIGhhbmRsZWQsIEknbSBvcGVuIHRvIHN1Z2dlc3Rpb25zLgoKVGhpcyBkZWZpbml0ZWx5IGZl ZWxzIGxpa2UgcGFwZXJpbmcgb3ZlciB0aGUgcHJvYmxlbS4gV2h5IGlzIHRoZSBtb2Rlc2V0CmNv ZGUgc3RpbGwgY2FsbGluZyB3YXRlcm1hcmsgdXBkYXRlcyBhdCB0aGUgd3JvbmcgdGltZT8KCldp dGggbXkgb3JpZ2luYWwgdHdvIHN0YWdlIHdtIGNvZGUgbW9zdCB3bSB1cGRhdGVzIGdvdCBraWNr ZWQgb2ZmIGZyb20KdGhlIHBsYW5lIGNvbW1pdHMgc3RhZ2UsIGFuZCB0aGUgb25seSBtYW51YWwg Y2FsbHMgd2VyZSBpbiBwbGFmb3JtCnNwZWNpZmljIGNvZGUganVzdCBiZWZvcmUgYSBuZXcgcGlw ZSBpcyBlbmFibGVkLCBvciBqdXN0IGFmdGVyIG9uZSBpcwpkaXNhYmxlZC4gVmVyeSBsaXR0bGUg cm9vbSBmb3IgdGhlc2Ugc29ydHMgb2YgZXJyb3JzIGluIHRoYXQgc2NoZW1lLgpXaGF0IHdlIGhh dmUgY3VycmVudGx5IGlzbid0IGRvbmUgbGlrZSB0aGF0IGFuZCBpbnN0ZWFkIGl0IHNlZW1zIHRv Cm1lIHdlJ3ZlIHNvbWVob3cgc3ByaW5rbGVkIHN0dWZmIGFsbCBvdmVyIHNvbWUgY29tbW9uIGNv ZGVwYXRocyB3aGljaAphcHBhcmVudGx5IGxlYWRzIHRvIHRoZXNlIHByb2JsZW1zLgoKPiAKPiAg ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYyB8IDcgKysrKy0tLQo+ICAxIGZpbGUgY2hh bmdlZCwgNCBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wbS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfcG0uYwo+IGluZGV4IGY2NWU4NDEuLjhjN2ZkZGYgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfcG0uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X3BtLmMKPiBAQCAtMjgwMiw4ICsyODAyLDYgQEAgc3RhdGljIHZvaWQgaWxrX3dyaXRlX3dtX3Zh bHVlcyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCj4gIAkJSTkxNV9XUklURShX TTJfTFBfSUxLLCByZXN1bHRzLT53bV9scFsxXSk7Cj4gIAlpZiAoZGlydHkgJiBXTV9ESVJUWV9M UCgzKSAmJiBwcmV2aW91cy0+d21fbHBbMl0gIT0gcmVzdWx0cy0+d21fbHBbMl0pCj4gIAkJSTkx NV9XUklURShXTTNfTFBfSUxLLCByZXN1bHRzLT53bV9scFsyXSk7Cj4gLQo+IC0JZGV2X3ByaXYt PndtLmh3ID0gKnJlc3VsdHM7Cj4gIH0KPiAgCj4gIGJvb2wgaWxrX2Rpc2FibGVfbHBfd20oc3Ry dWN0IGRybV9kZXZpY2UgKmRldikKPiBAQCAtMzczMSw3ICszNzI5LDEwIEBAIHN0YXRpYyB2b2lk IGlsa19wcm9ncmFtX3dhdGVybWFya3Moc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2 KQo+ICAKPiAgCWlsa19jb21wdXRlX3dtX3Jlc3VsdHMoZGV2LCBiZXN0X2xwX3dtLCBwYXJ0aXRp b25pbmcsICZyZXN1bHRzKTsKPiAgCj4gLQlpbGtfd3JpdGVfd21fdmFsdWVzKGRldl9wcml2LCAm cmVzdWx0cyk7Cj4gKwlpZiAoY29uZmlnLm51bV9waXBlc19hY3RpdmUgPiAwKQo+ICsJCWlsa193 cml0ZV93bV92YWx1ZXMoZGV2X3ByaXYsICZyZXN1bHRzKTsKPiArCj4gKwlkZXZfcHJpdi0+d20u aHcgPSByZXN1bHRzOwo+ICB9Cj4gIAo+ICBzdGF0aWMgdm9pZCBpbGtfaW5pdGlhbF93YXRlcm1h cmtzKHN0cnVjdCBpbnRlbF9jcnRjX3N0YXRlICpjc3RhdGUpCj4gLS0gCj4gMi4xLjQKCi0tIApW aWxsZSBTeXJqw6Rsw6QKbnRlbCBPVEMKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vaW50ZWwtZ2Z4Cg==