From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH 1/2] drm/i915/gen9: fix watermarks when using the pipe scaler Date: Mon, 10 Oct 2016 12:01:35 +0300 Message-ID: <8737k4tw5s.fsf@intel.com> References: <1475872138-16194-1-git-send-email-paulo.r.zanoni@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id CD2636E3D6 for ; Mon, 10 Oct 2016 09:01:37 +0000 (UTC) In-Reply-To: <1475872138-16194-1-git-send-email-paulo.r.zanoni@intel.com> 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 Cc: dhinakaran.pandiyan@intel.com, stable@vger.kernel.org, Paulo Zanoni List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAwNyBPY3QgMjAxNiwgUGF1bG8gWmFub25pIDxwYXVsby5yLnphbm9uaUBpbnRlbC5j b20+IHdyb3RlOgo+IEx1Y2tpbHksIHRoZSBuZWNlc3NhcnkgYWRqdXN0bWVudHMgZm9yIHdoZW4g d2UncmUgdXNpbmcgdGhlIHNjYWxlciBhcmUKPiBleGFjdGx5IHRoZSBzYW1lIGFzIHRoZSBvbmVz IG5lZWRlZCBvbiBJTEsrLCBzbyBqdXN0IHJldXNlIHRoZQo+IGZ1bmN0aW9uIHdlIGFscmVhZHkg aGF2ZS4KPgo+IHYyOiBJbnZlcnQgdGhlIHBhdGNoIG9yZGVyIHNvIHN0YWJsZSBiYWNrcG9ydHMg Z2V0IGVhc2llci4KClJlcGxpZWQgdG8gdGhlIG90aGVyIHNldCBmaXJzdC4uLiB0aGlzIG9yZGVy IGlzIGZpbmUgdG9vLCB3aXRoIG9yCndpdGhvdXQgY2M6IHN0YWJsZSBvbiB0aGUgb3RoZXIgb25l LgoKQlIsCkphbmkuCgoKPgo+IENjOiBzdGFibGVAdmdlci5rZXJuZWwub3JnCj4gU2lnbmVkLW9m Zi1ieTogUGF1bG8gWmFub25pIDxwYXVsby5yLnphbm9uaUBpbnRlbC5jb20+Cj4gLS0tCj4gIGRy aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMgfCAxMiArKystLS0tLS0tLS0KPiAgMSBmaWxl IGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKSwgOSBkZWxldGlvbnMoLSkKPgo+IGRpZmYgLS1naXQg YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wbS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfcG0uYwo+IGluZGV4IGZlNmMxYzYuLjAwMGIwMzMgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX3BtLmMKPiBAQCAtMzQ3MCwxMiArMzQ3MCw2IEBAIHNrbF9hbGxvY2F0ZV9waXBlX2RkYihz dHJ1Y3QgaW50ZWxfY3J0Y19zdGF0ZSAqY3N0YXRlLAo+ICAJcmV0dXJuIDA7Cj4gIH0KPiAgCj4g LXN0YXRpYyB1aW50MzJfdCBza2xfcGlwZV9waXhlbF9yYXRlKGNvbnN0IHN0cnVjdCBpbnRlbF9j cnRjX3N0YXRlICpjb25maWcpCj4gLXsKPiAtCS8qIFRPRE86IFRha2UgaW50byBhY2NvdW50IHRo ZSBzY2FsZXJzIG9uY2Ugd2Ugc3VwcG9ydCB0aGVtICovCj4gLQlyZXR1cm4gY29uZmlnLT5iYXNl LmFkanVzdGVkX21vZGUuY3J0Y19jbG9jazsKPiAtfQo+IC0KPiAgLyoKPiAgICogVGhlIG1heCBs YXRlbmN5IHNob3VsZCBiZSAyNTcgKG1heCB0aGUgcHVuaXQgY2FuIGNvZGUgaXMgMjU1IGFuZCB3 ZSBhZGQgMnVzCj4gICAqIGZvciB0aGUgcmVhZCBsYXRlbmN5KSBhbmQgY3BwIHNob3VsZCBhbHdh eXMgYmUgPD0gOCwgc28gdGhhdAo+IEBAIC0zNTI2LDcgKzM1MjAsNyBAQCBzdGF0aWMgdWludDMy X3Qgc2tsX2FkanVzdGVkX3BsYW5lX3BpeGVsX3JhdGUoY29uc3Qgc3RydWN0IGludGVsX2NydGNf c3RhdGUgKmNzdAo+ICAJICogQWRqdXN0ZWQgcGxhbmUgcGl4ZWwgcmF0ZSBpcyBqdXN0IHRoZSBw aXBlJ3MgYWRqdXN0ZWQgcGl4ZWwgcmF0ZQo+ICAJICogd2l0aCBhZGRpdGlvbmFsIGFkanVzdG1l bnRzIGZvciBwbGFuZS1zcGVjaWZpYyBzY2FsaW5nLgo+ICAJICovCj4gLQlhZGp1c3RlZF9waXhl bF9yYXRlID0gc2tsX3BpcGVfcGl4ZWxfcmF0ZShjc3RhdGUpOwo+ICsJYWRqdXN0ZWRfcGl4ZWxf cmF0ZSA9IGlsa19waXBlX3BpeGVsX3JhdGUoY3N0YXRlKTsKPiAgCWRvd25zY2FsZV9hbW91bnQg PSBza2xfcGxhbmVfZG93bnNjYWxlX2Ftb3VudChwc3RhdGUpOwo+ICAKPiAgCXBpeGVsX3JhdGUg PSBhZGp1c3RlZF9waXhlbF9yYXRlICogZG93bnNjYWxlX2Ftb3VudCA+PiAxNjsKPiBAQCAtMzc0 MiwxMSArMzczNiwxMSBAQCBza2xfY29tcHV0ZV9saW5ldGltZV93bShzdHJ1Y3QgaW50ZWxfY3J0 Y19zdGF0ZSAqY3N0YXRlKQo+ICAJaWYgKCFjc3RhdGUtPmJhc2UuYWN0aXZlKQo+ICAJCXJldHVy biAwOwo+ICAKPiAtCWlmIChXQVJOX09OKHNrbF9waXBlX3BpeGVsX3JhdGUoY3N0YXRlKSA9PSAw KSkKPiArCWlmIChXQVJOX09OKGlsa19waXBlX3BpeGVsX3JhdGUoY3N0YXRlKSA9PSAwKSkKPiAg CQlyZXR1cm4gMDsKPiAgCj4gIAlyZXR1cm4gRElWX1JPVU5EX1VQKDggKiBjc3RhdGUtPmJhc2Uu YWRqdXN0ZWRfbW9kZS5jcnRjX2h0b3RhbCAqIDEwMDAsCj4gLQkJCSAgICBza2xfcGlwZV9waXhl bF9yYXRlKGNzdGF0ZSkpOwo+ICsJCQkgICAgaWxrX3BpcGVfcGl4ZWxfcmF0ZShjc3RhdGUpKTsK PiAgfQo+ICAKPiAgc3RhdGljIHZvaWQgc2tsX2NvbXB1dGVfdHJhbnNpdGlvbl93bShzdHJ1Y3Qg aW50ZWxfY3J0Y19zdGF0ZSAqY3N0YXRlLAoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNv dXJjZSBUZWNobm9sb2d5IENlbnRlcgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5m by9pbnRlbC1nZngK