From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [RFC PATCH] drm/i915: PSR regressions on Broadwell Date: Mon, 28 Sep 2015 10:14:04 +0300 Message-ID: <874mifm2wz.fsf@intel.com> References: <1443234373-107752-1-git-send-email-briannorris@chromium.org> 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 630806E983 for ; Mon, 28 Sep 2015 00:11:08 -0700 (PDT) In-Reply-To: <1443234373-107752-1-git-send-email-briannorris@chromium.org> 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: Brian Norris , Rodrigo Vivi , linux-kernel@vger.kernel.org, Daniel Vetter , Brian Norris , Duncan Laurie List-Id: intel-gfx@lists.freedesktop.org T24gU2F0LCAyNiBTZXAgMjAxNSwgQnJpYW4gTm9ycmlzIDxicmlhbm5vcnJpc0BjaHJvbWl1bS5v cmc+IHdyb3RlOgo+IFdoZW4gdXNpbmcgUFNSLCBJIHNlZSB0aGUgc2NyZWVuIGZyZWV6ZSBhZnRl ciBvbmx5IGEgZmV3IGZyYW1lcyAoc29tZXRpbWVzIGEKPiBzcGxpdCBzZWNvbmQ7IHNvbWV0aW1l cyBpdCBzZWVtcyBsaWtlIHByYWN0aWNhbGx5IHRoZSBmaXJzdCBmcmFtZSkuIEJpc2VjdGluZwo+ IGxlZCBtZSB0byBjb21taXQgMzMwMWQ0MDkyMTA2ICgiZHJtL2k5MTU6IFBTUjogRml4IERQX1BT Ul9OT19UUkFJTl9PTl9FWElUCj4gbG9naWMiKSBpbiB2NC4yLiBUaGlzIHBhdGNoIGlzIHRoZSBz aW1wbGVzdCBmaXggdGhhdCBnZXRzIGl0IHdvcmtpbmcgYWdhaW4gZm9yCj4gbWUsIGJ1dCBpdCdz IHByb2JhYmx5IHdyb25nLgo+Cj4gUmFuZG9tIHRob3VnaHQ6IHBlcmhhcHMgbXkgcGFuZWwncyBE UENEIGlzIHByb2dyYW1tZWQgaW5jb3JyZWN0bHk/Cj4KPiBBbnl3YXksIGFueSB0aXBzIG9uIGZp eGluZyB0aGlzIHByb3Blcmx5PwoKSGVyZSdzIGEgdGhvdWdodDoKCmRpZmYgLS1naXQgYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X3Bzci5jCmluZGV4IGEwNGI0ZGM1ZWQ5Yi4uM2E5MTFkNGEyMzA4IDEwMDY0NAotLS0gYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9wc3IuYwpAQCAtMjc0LDYgKzI3NCw4IEBAIHN0YXRpYyB2b2lkIGhzd19wc3JfZW5hYmxl X3NvdXJjZShzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQogCQlpZGxlX2ZyYW1lcyArPSA0Owog CX0KIAorCWlkbGVfZnJhbWVzID0gY2xhbXAoaWRsZV9mcmFtZXMsIDAsIDE1KTsKKwogCUk5MTVf V1JJVEUoRURQX1BTUl9DVEwoZGV2KSwgdmFsIHwKIAkJICAgKElTX0JST0FEV0VMTChkZXYpID8g MCA6IGxpbmtfZW50cnlfdGltZSkgfAogCQkgICBtYXhfc2xlZXBfdGltZSA8PCBFRFBfUFNSX01B WF9TTEVFUF9USU1FX1NISUZUIHwKCldlIGRvIGNsYW1wIHRoZSBWQlQgdmFsdWUgdG8gcmFuZ2Ug MC4uMTUsIGJ1dCB0aGVuIGdvIG9uIHRvIGFkZCB0byBpdC4KCk90aGVyd2lzZSwgdXAgdG8gUm9k cmlnbyBJIGd1ZXNzLgoKQlIsCkphbmkuCgoKPgo+IFNlZW4gb24gQ2hyb21lYm9vayBQaXhlbCAy Lgo+Cj4gQWxzbyByZXF1aXJlZCB0aGlzIHBhdGNoIHRvIGdldCBQU1IgcHJvcGVybHkgcnVubmlu ZyBvbiA0LjMtcmMyOgo+Cj4gaHR0cHM6Ly9wYXRjaHdvcmsuZnJlZWRlc2t0b3Aub3JnL3BhdGNo LzU3Njk4Lwo+Cj4gU2lnbmVkLW9mZi1ieTogQnJpYW4gTm9ycmlzIDxicmlhbm5vcnJpc0BjaHJv bWl1bS5vcmc+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jIHwgMyAr Ky0KPiAgMSBmaWxlIGNoYW5nZWQsIDIgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQo+Cj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMKPiBpbmRleCA3ZTMzNWE4NTQ2ZjYuLjRjZDMzYjc2Yjhh NiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYwo+ICsrKyBi L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jCj4gQEAgLTI2MSw3ICsyNjEsOCBAQCBz dGF0aWMgdm9pZCBoc3dfcHNyX2VuYWJsZV9zb3VyY2Uoc3RydWN0IGludGVsX2RwICppbnRlbF9k cCkKPiAgCXVpbnQzMl90IHZhbCA9IDB4MDsKPiAgCWNvbnN0IHVpbnQzMl90IGxpbmtfZW50cnlf dGltZSA9IEVEUF9QU1JfTUlOX0xJTktfRU5UUllfVElNRV84X0xJTkVTOwo+ICAKPiAtCWlmIChp bnRlbF9kcC0+cHNyX2RwY2RbMV0gJiBEUF9QU1JfTk9fVFJBSU5fT05fRVhJVCkgewo+ICsJaWYg KChpbnRlbF9kcC0+cHNyX2RwY2RbMV0gJiBEUF9QU1JfTk9fVFJBSU5fT05fRVhJVCkgJiYKPiAr CQkJIUlTX0JST0FEV0VMTChkZXYpKSB7Cj4gIAkJLyogSXQgZG9lc24ndCBtZWFuIHdlIHNob3Vs ZG4ndCBzZW5kIFRQUyBwYXR0ZXJzLCBzbyBsZXQncwo+ICAJCSAgIHNlbmQgdGhlIG1pbmltYWwg VFAxIHBvc3NpYmxlIGFuZCBza2lwIFRQMi4gKi8KPiAgCQl2YWwgfD0gRURQX1BTUl9UUDFfVElN RV8xMDB1czsKPiAtLSAKPiAyLjYuMC5yYzIuMjMwLmczZGQxNWMwCj4KCi0tIApKYW5pIE5pa3Vs YSwgSW50ZWwgT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRl bC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK