From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915/skl: Don't try to update plane watermarks if they haven't changed Date: Mon, 29 Aug 2016 18:10:46 +0300 Message-ID: <871t17ipah.fsf@intel.com> References: <1472481944-13357-1-git-send-email-cpaul@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1472481944-13357-1-git-send-email-cpaul@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Lyude , intel-gfx@lists.freedesktop.org, Maarten Lankhorst Cc: David Airlie , Daniel Vetter , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCAyOSBBdWcgMjAxNiwgTHl1ZGUgPGNwYXVsQHJlZGhhdC5jb20+IHdyb3RlOgo+IGk5 MTUgc29tZXRpbWVzIG5lZWRzIHRvIGRpc2FibGUgcGxhbmVzIGluIHRoZSBtaWRkbGUgb2YgYW4g YXRvbWljCj4gY29tbWl0LCBhbmQgdGhlbiByZWVuYWJsZSB0aGVtIGxhdGVyIGluIHRoZSBzYW1l IGNvbW1pdC4gQmVjYXVzZSBvZgo+IHRoaXMsIHdlIGNhbid0IG1ha2UgdGhlIGFzc3VtcHRpb24g dGhhdCB0aGUgc3RhdGUgb2YgdGhlIHBsYW5lIGFjdHVhbGx5Cj4gY2hhbmdlZC4gU2luY2UgdGhl IHN0YXRlIG9mIHRoZSBwbGFuZSBoYXNuJ3QgYWN0dWFsbHkgY2hhbmdlZCwgbmVpdGhlcgo+IGhh dmUgaXQncyB3YXRlcm1hcmtzLiBBbmQgaWYgdGhlIHdhdGVybWFya3MgaGFzbid0IGNoYW5nZWQg dGhlbiB3ZQo+IGhhdmVuJ3QgcG9wdWxhdGVkIHNrbF9yZXN1bHRzIHdpdGggYW55dGhpbmcsIHdo aWNoIG1lYW5zIHdlJ2xsIGVuZCB1cAo+IHplcm9pbmcgb3V0IGEgcGxhbmUncyB3YXRlcm1hcmtz IGluIHRoZSBtaWRkbGUgb2YgdGhlIGF0b21pYyBjb21taXQKPiB3aXRob3V0IHJlc3RvcmluZyB0 aGVtIGxhdGVyLgoKSSB3b3VsZCBhcHByZWNpYXRlIGEgKGJyaWVmKSBkZXNjcmlwdGlvbiBvZiB3 aGF0IHRoZSBmYWlsdXJlIG1vZGUgaXMgaW4KdGhpcyBjYXNlLgoKQlIsCkphbmkuCgoKPgo+IENo YW5nZXMgc2luY2UgdjE6Cj4gIC0gRml4IGluY29ycmVjdCB1c2Ugb2YgIml0J3MiCj4KPiBTaWdu ZWQtb2ZmLWJ5OiBMeXVkZSA8Y3BhdWxAcmVkaGF0LmNvbT4KPiBDYzogTWFhcnRlbiBMYW5raG9y c3QgPG1hYXJ0ZW4ubGFua2hvcnN0QGxpbnV4LmludGVsLmNvbT4KPiBGaXhlczogNjJlMGZiODgw MTIzICgiZHJtL2k5MTUvc2tsOiBVcGRhdGUgcGxhbmUgd2F0ZXJtYXJrcyBhdG9taWNhbGx5Cj4g ZHVyaW5nIHBsYW5lIHVwZGF0ZXMiKQo+Cj4gU2lnbmVkLW9mZi1ieTogTHl1ZGUgPGNwYXVsQHJl ZGhhdC5jb20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyB8 IDcgKysrKysrLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9zcHJpdGUuYyAgfCA5ICsr KysrKystLQo+ICAyIGZpbGVzIGNoYW5nZWQsIDEzIGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25z KC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5j IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jCj4gaW5kZXggZTRlNjE0MS4u MTNlNDdhNyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5 LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKPiBAQCAtMzQ0 OCw3ICszNDQ4LDEyIEBAIHN0YXRpYyB2b2lkIHNreWxha2VfZGlzYWJsZV9wcmltYXJ5X3BsYW5l KHN0cnVjdCBkcm1fcGxhbmUgKnByaW1hcnksCj4gIAlzdHJ1Y3QgaW50ZWxfY3J0YyAqaW50ZWxf Y3J0YyA9IHRvX2ludGVsX2NydGMoY3J0Yyk7Cj4gIAlpbnQgcGlwZSA9IGludGVsX2NydGMtPnBp cGU7Cj4gIAo+IC0Jc2tsX3dyaXRlX3BsYW5lX3dtKGludGVsX2NydGMsICZkZXZfcHJpdi0+d20u c2tsX3Jlc3VsdHMsIDApOwo+ICsJLyoKPiArCSAqIFdlIG9ubHkgcG9wdWxhdGUgc2tsX3Jlc3Vs dHMgb24gd2F0ZXJtYXJrIHVwZGF0ZXMsIGFuZCBpZiB0aGUKPiArCSAqIHBsYW5lJ3MgdmlzaWJs aXR5IGlzbid0IGFjdHVhbGx5IGNoYW5naW5nIG5laXRoZXIgaXMgaXRzIHdhdGVybWFya3MuCj4g KwkgKi8KPiArCWlmICghY3J0Yy0+cHJpbWFyeS0+c3RhdGUtPnZpc2libGUpCj4gKwkJc2tsX3dy aXRlX3BsYW5lX3dtKGludGVsX2NydGMsICZkZXZfcHJpdi0+d20uc2tsX3Jlc3VsdHMsIDApOwo+ ICAKPiAgCUk5MTVfV1JJVEUoUExBTkVfQ1RMKHBpcGUsIDApLCAwKTsKPiAgCUk5MTVfV1JJVEUo UExBTkVfU1VSRihwaXBlLCAwKSwgMCk7Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX3Nwcml0ZS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc3ByaXRlLmMK PiBpbmRleCAwZGY3ODNhLi43M2E1MjFmIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX3Nwcml0ZS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc3By aXRlLmMKPiBAQCAtMjkyLDggKzI5MiwxMyBAQCBza2xfZGlzYWJsZV9wbGFuZShzdHJ1Y3QgZHJt X3BsYW5lICpkcGxhbmUsIHN0cnVjdCBkcm1fY3J0YyAqY3J0YykKPiAgCWNvbnN0IGludCBwaXBl ID0gaW50ZWxfcGxhbmUtPnBpcGU7Cj4gIAljb25zdCBpbnQgcGxhbmUgPSBpbnRlbF9wbGFuZS0+ cGxhbmUgKyAxOwo+ICAKPiAtCXNrbF93cml0ZV9wbGFuZV93bSh0b19pbnRlbF9jcnRjKGNydGMp LCAmZGV2X3ByaXYtPndtLnNrbF9yZXN1bHRzLAo+IC0JCQkgICBwbGFuZSk7Cj4gKwkvKgo+ICsJ ICogV2Ugb25seSBwb3B1bGF0ZSBza2xfcmVzdWx0cyBvbiB3YXRlcm1hcmsgdXBkYXRlcywgYW5k IGlmIHRoZQo+ICsJICogcGxhbmUncyB2aXNpYmxpdHkgaXNuJ3QgYWN0dWFsbHkgY2hhbmdpbmcg bmVpdGhlciBpcyBpdHMgd2F0ZXJtYXJrcy4KPiArCSAqLwo+ICsJaWYgKCFkcGxhbmUtPnN0YXRl LT52aXNpYmxlKQo+ICsJCXNrbF93cml0ZV9wbGFuZV93bSh0b19pbnRlbF9jcnRjKGNydGMpLAo+ ICsJCQkJICAgJmRldl9wcml2LT53bS5za2xfcmVzdWx0cywgcGxhbmUpOwo+ICAKPiAgCUk5MTVf V1JJVEUoUExBTkVfQ1RMKHBpcGUsIHBsYW5lKSwgMCk7CgotLSAKSmFuaSBOaWt1bGEsIEludGVs IE9wZW4gU291cmNlIFRlY2hub2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxp c3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2ludGVsLWdmeAo=