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: Mon, 22 Feb 2016 19:46:18 +0200 Message-ID: <20160222174618.GC23290@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 mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id A6F026E216 for ; Mon, 22 Feb 2016 17:46:24 +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+CgpQdXNoZWQgdG8gZGlucS4gVGhhbmtzIGZvciB0aGUgcmV2aWV3LgoK PiAKPiBCdHcsIEkgdGhpbmsgZ2VuOF9kZV9pcnFfaGFuZGxlcsKgd291bGQgbmVlZCB0byBiZSBm aXhlZCB0b28gZm9yIGV4YW1wbGUKPiBieSB1c2luZ8KgZGlzcGxheV9pcnFzX2VuYWJsZWQgdGhl cmUgYXMgd2VsbC4KPiAKPiA+IC0tLQo+ID4gwqBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2ly cS5jIHwgNiArKysrKysKPiA+IMKgMSBmaWxlIGNoYW5nZWQsIDYgaW5zZXJ0aW9ucygrKQo+ID4g Cj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYwo+ID4gYi9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2lycS5jCj4gPiBpbmRleCAyNWE4OTM3M2RmNjMuLmQ1 NmMyNjFhZDg2NyAxMDA2NDQKPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJx LmMKPiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMKPiA+IEBAIC0xNjUx LDYgKzE2NTEsMTIgQEAgc3RhdGljIHZvaWQKPiA+IHZhbGxleXZpZXdfcGlwZXN0YXRfaXJxX2hh bmRsZXIoc3RydWN0IGRybV9kZXZpY2UgKmRldiwgdTMyIGlpcikKPiA+IMKgCWludCBwaXBlOwo+ ID4gwqAKPiA+IMKgCXNwaW5fbG9jaygmZGV2X3ByaXYtPmlycV9sb2NrKTsKPiA+ICsKPiA+ICsJ aWYgKCFkZXZfcHJpdi0+ZGlzcGxheV9pcnFzX2VuYWJsZWQpIHsKPiA+ICsJCXNwaW5fdW5sb2Nr KCZkZXZfcHJpdi0+aXJxX2xvY2spOwo+ID4gKwkJcmV0dXJuOwo+ID4gKwl9Cj4gPiArCj4gPiDC oAlmb3JfZWFjaF9waXBlKGRldl9wcml2LCBwaXBlKSB7Cj4gPiDCoAkJaTkxNV9yZWdfdCByZWc7 Cj4gPiDCoAkJdTMyIG1hc2ssIGlpcl9iaXQgPSAwOwoKLS0gClZpbGxlIFN5cmrDpGzDpApJbnRl bCBPVEMKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50 ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBz Oi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==