From mboxrd@z Thu Jan 1 00:00:00 1970 From: Imre Deak Subject: Re: [PATCH] drm/i915/skl: Ensure HW is powered during DDB HW state readout Date: Wed, 17 Feb 2016 18:40:37 +0200 Message-ID: <1455727237.2667.33.camel@intel.com> References: <1455719489-3008-1-git-send-email-imre.deak@intel.com> <87fuwrfktx.fsf@intel.com> Reply-To: imre.deak@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 6F15B6EA2B for ; Wed, 17 Feb 2016 16:41:47 +0000 (UTC) In-Reply-To: <87fuwrfktx.fsf@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jani Nikula , intel-gfx@lists.freedesktop.org Cc: Mika Kuoppala List-Id: intel-gfx@lists.freedesktop.org T24ga2UsIDIwMTYtMDItMTcgYXQgMTY6NTUgKzAyMDAsIEphbmkgTmlrdWxhIHdyb3RlOgo+IE9u IFdlZCwgMTcgRmViIDIwMTYsIEltcmUgRGVhayA8aW1yZS5kZWFrQGludGVsLmNvbT4gd3JvdGU6 Cj4gPiBUaGUgYXNzdW1wdGlvbiB3aGVuIGFkZGluZyB0aGUgaW50ZWxfZGlzcGxheV9wb3dlcl9p c19lbmFibGVkKCkKPiA+IGNoZWNrcwo+ID4gd2FzIHRoYXQgaWYgaXQgcmV0dXJucyBzdWNjZXNz IHRoZSBwb3dlciBjYW4ndCBiZSB0dXJuZWQgb2ZmCj4gPiBhZnRlcndhcmRzCj4gPiBkdXJpbmcg dGhlIEhXIGFjY2Vzcywgd2hpY2ggaXMgZ3VhcmFudGVlZCBieSBtb2Rlc2V0IGxvY2tzLiBUaGlz Cj4gPiBpc24ndAo+ID4gYWx3YXlzIHRydWUsIHNvIG1ha2Ugc3VyZSB3ZSBob2xkIGEgZGVkaWNh dGVkIHJlZmVyZW5jZSBmb3IgdGhlCj4gPiB0aW1lIG9mCj4gPiB0aGUgYWNjZXNzLgo+ID4gCj4g PiBTcG90dGVkLWJ5OiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGludGVsLmNvbT4KPiA+ IEJ1Z3ppbGxhOiBodHRwczovL2J1Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD05 MzQ0MQo+ID4gQ0M6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+ID4g U2lnbmVkLW9mZi1ieTogSW1yZSBEZWFrIDxpbXJlLmRlYWtAaW50ZWwuY29tPgo+IAo+IENjOiBm aXhlcyBvciBzdGFibGU/IEZpeGVzIHdoaWNoIGNvbW1pdD8KCkhtLCB5ZXMgZm9yZ290IGFib3V0 IHRoaXMuIFdlIG5lZWQgaXQgaW4gLWZpeGVzIHNpbmNlIGl0IG1heSBmaXggRE1DCmZ1bmN0aW9u YWxpdHkgYWNjb3JkaW5nIHRvIE1pa2EuIEltbyBubyBuZWVkIGZvciBpdCBpbiBzdGFibGUsIHNp bmNlIG9uCm90aGVyIHBsYXRmb3JtcyBpdCB3b3VsZG4ndCBmaXggYW55dGhpbmcgYmVzaWRlcyBI VyBzdGF0ZSBjaGVja2luZy4KCkkgcHVzaGVkIHRoZSAiZHJtL2k5MTU6IGFkZCBtaXNzaW5nIGRp c3BsYXkgcG93ZXIgcmVmcyIgcGF0Y2hzZXQgYW5kCnRoaXMgcGF0Y2ggcmViYXNlZCBvbiAtZml4 ZXMgdG8KaHR0cHM6Ly9naXRodWIuY29tL2lkZWFrL2xpbnV4L2NvbW1pdHMvZGlzcGxheV9wb3dl cl9nZXRfaWZfZW5hYmxlZC1mb3ItZml4ZXMKCi0tSW1yZQoKPiBCUiwKPiBKYW5pLgo+IAo+ID4g LS0tCj4gPiDCoGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMgfCA3ICsrKysrKy0KPiA+ IMKgMSBmaWxlIGNoYW5nZWQsIDYgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQo+ID4gCj4g PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYwo+ID4gYi9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wbS5jCj4gPiBpbmRleCBiNjNjZGIyLi4zNDdkNGRmIDEw MDY0NAo+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYwo+ID4gKysrIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYwo+ID4gQEAgLTI4NTEsNyArMjg1MSwxMCBA QCB2b2lkIHNrbF9kZGJfZ2V0X2h3X3N0YXRlKHN0cnVjdAo+ID4gZHJtX2k5MTVfcHJpdmF0ZSAq ZGV2X3ByaXYsCj4gPiDCoAltZW1zZXQoZGRiLCAwLCBzaXplb2YoKmRkYikpOwo+ID4gwqAKPiA+ IMKgCWZvcl9lYWNoX3BpcGUoZGV2X3ByaXYsIHBpcGUpIHsKPiA+IC0JCWlmICghaW50ZWxfZGlz cGxheV9wb3dlcl9pc19lbmFibGVkKGRldl9wcml2LAo+ID4gUE9XRVJfRE9NQUlOX1BJUEUocGlw ZSkpKQo+ID4gKwkJZW51bSBpbnRlbF9kaXNwbGF5X3Bvd2VyX2RvbWFpbiBwb3dlcl9kb21haW47 Cj4gPiArCj4gPiArCQlwb3dlcl9kb21haW4gPSBQT1dFUl9ET01BSU5fUElQRShwaXBlKTsKPiA+ ICsJCWlmICghaW50ZWxfZGlzcGxheV9wb3dlcl9nZXRfaWZfZW5hYmxlZChkZXZfcHJpdiwKPiA+ IHBvd2VyX2RvbWFpbikpCj4gPiDCoAkJCWNvbnRpbnVlOwo+ID4gwqAKPiA+IMKgCQlmb3JfZWFj aF9wbGFuZShkZXZfcHJpdiwgcGlwZSwgcGxhbmUpIHsKPiA+IEBAIC0yODYzLDYgKzI4NjYsOCBA QCB2b2lkIHNrbF9kZGJfZ2V0X2h3X3N0YXRlKHN0cnVjdAo+ID4gZHJtX2k5MTVfcHJpdmF0ZSAq ZGV2X3ByaXYsCj4gPiDCoAkJdmFsID0gSTkxNV9SRUFEKENVUl9CVUZfQ0ZHKHBpcGUpKTsKPiA+ IMKgCQlza2xfZGRiX2VudHJ5X2luaXRfZnJvbV9odygmZGRiLQo+ID4gPnBsYW5lW3BpcGVdW1BM QU5FX0NVUlNPUl0sCj4gPiDCoAkJCQkJwqDCoMKgdmFsKTsKPiA+ICsKPiA+ICsJCWludGVsX2Rp c3BsYXlfcG93ZXJfcHV0KGRldl9wcml2LCBwb3dlcl9kb21haW4pOwo+ID4gwqAJfQo+ID4gwqB9 Cj4gCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVs LWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=