From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] drm/i915: Skip PIPESTAT reads from irq handler on VLV/CHV when power well is down Date: Fri, 19 Feb 2016 17:50:59 +0200 Message-ID: <20160219155059.GR23290@intel.com> References: <1455825266-24686-1-git-send-email-ville.syrjala@linux.intel.com> <1455896269.2380.17.camel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id E55DE6EFC4 for ; Fri, 19 Feb 2016 15:52:06 +0000 (UTC) Content-Disposition: inline In-Reply-To: <1455896269.2380.17.camel@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Imre Deak Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBGZWIgMTksIDIwMTYgYXQgMDU6Mzc6NDlQTSArMDIwMCwgSW1yZSBEZWFrIHdyb3Rl Ogo+IE9uIHRvLCAyMDE2LTAyLTE4IGF0IDIxOjU0ICswMjAwLCB2aWxsZS5zeXJqYWxhQGxpbnV4 LmludGVsLmNvbSB3cm90ZToKPiA+IEZyb206IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFs YUBsaW51eC5pbnRlbC5jb20+Cj4gPiAKPiA+IFBJUEVTVEFUIHJlZ2lzdGVycyBsaXZlIGluIHRo ZSBkaXNwbGF5IHBvd2VyIHdlbGwgb24gVkxWL0NIViwgc28gd2UKPiA+IHNob3VsZG4ndCBhY2Nl c3MgdGhlbSB3aGVuIHRoaW5ncyBhcmUgcG93ZXJlZCBkb3duLiBMZXQncyBjaGVjawo+ID4gd2hl dGhlciB0aGUgZGlzcGxheSBpbnRlcnJ1cHRzIGFyZSBvbiBvciBvZmYgYmVmb3JlIGFjY2Vzc2lu ZyB0aGUKPiA+IFBJUEVTVEFUIHJlZ2lzdGVycy4KPiA+IAo+ID4gQW5vdGhlciBvcHRpb24gd291 bGQgYmUgdG8gcmVhZCB0aGUgUElQRVNUQVQgcmVnaXN0ZXJzIG9ubHkgd2hlbgo+ID4gdGhlIElJ UiByZWdpc3RlciBpbmRpY2F0ZXMgdGhhdCB0aGVyZSdzIGEgcGVuZGluZyBwaXBlIGV2ZW50LiBC dXQKPiA+IHRoYXQgd291bGQgbWVhbiB3ZSBtaWdodCBtaXNzIGV2ZW4gbW9yZSB1bmRlcnJ1biBy ZXBvcnRzIHRoYW4gd2UKPiA+IGRvIG5vdywgYmVjYXVzZSB0aGUgdW5kZXJydW4gc3RhdHVzIGJp dCBsaXZlcyBpbiBQSVBFU1RBVCBidXQgZG9lc24ndAo+ID4gYWN0dWFsbHkgZ2VuZXJhdGUgYW4g aW50ZXJydXB0Lgo+ID4gCj4gPiBCdWd6aWxsYTogaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9y Zy9zaG93X2J1Zy5jZ2k/aWQ9OTM3MzgKPiA+IENjOiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlz LXdpbHNvbi5jby51az4KPiA+IFRlc3RlZC1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13 aWxzb24uY28udWs+Cj4gPiBTaWduZWQtb2ZmLWJ5OiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5 cmphbGFAbGludXguaW50ZWwuY29tPgo+IAo+IFJldmlld2VkLWJ5OiBJbXJlIERlYWsgPGltcmUu ZGVha0BpbnRlbC5jb20+Cj4gCj4gQnR3LCBJIHRoaW5rIGdlbjhfZGVfaXJxX2hhbmRsZXLCoHdv dWxkIG5lZWQgdG8gYmUgZml4ZWQgdG9vIGZvciBleGFtcGxlCj4gYnkgdXNpbmfCoGRpc3BsYXlf aXJxc19lbmFibGVkIHRoZXJlIGFzIHdlbGwuCgpJIGNhbiB0YWtlIGEgbG9vayBhdCB0aGF0IHRv by4gSSBhbHNvIHJlYWxpemVkIHdlJ2xsIG5lZWQgYQpzeW5jaHJvbml6ZV9pcnEoKSBpbiB0aGUg dmx2L2NodiBwb3dlciB3ZWxsIGNvZGUuCgo+IAo+ID4gLS0tCj4gPiDCoGRyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfaXJxLmMgfCA2ICsrKysrKwo+ID4gwqAxIGZpbGUgY2hhbmdlZCwgNiBpbnNl cnRpb25zKCspCj4gPiAKPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1 X2lycS5jCj4gPiBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMKPiA+IGluZGV4IDI1 YTg5MzczZGY2My4uZDU2YzI2MWFkODY3IDEwMDY0NAo+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvaTkxNV9pcnEuYwo+ID4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEu Ywo+ID4gQEAgLTE2NTEsNiArMTY1MSwxMiBAQCBzdGF0aWMgdm9pZAo+ID4gdmFsbGV5dmlld19w aXBlc3RhdF9pcnFfaGFuZGxlcihzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LCB1MzIgaWlyKQo+ID4g wqAJaW50IHBpcGU7Cj4gPiDCoAo+ID4gwqAJc3Bpbl9sb2NrKCZkZXZfcHJpdi0+aXJxX2xvY2sp Owo+ID4gKwo+ID4gKwlpZiAoIWRldl9wcml2LT5kaXNwbGF5X2lycXNfZW5hYmxlZCkgewo+ID4g KwkJc3Bpbl91bmxvY2soJmRldl9wcml2LT5pcnFfbG9jayk7Cj4gPiArCQlyZXR1cm47Cj4gPiAr CX0KPiA+ICsKPiA+IMKgCWZvcl9lYWNoX3BpcGUoZGV2X3ByaXYsIHBpcGUpIHsKPiA+IMKgCQlp OTE1X3JlZ190IHJlZzsKPiA+IMKgCQl1MzIgbWFzaywgaWlyX2JpdCA9IDA7CgotLSAKVmlsbGUg U3lyasOkbMOkCkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9p bnRlbC1nZngK