From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dhinakaran Pandiyan Subject: Re: [PATCH v2] drm/i915: Wait for PSR exit before checking for vblank evasion Date: Tue, 19 Jun 2018 14:27:17 -0700 Message-ID: <1529443637.12516.15.camel@intel.com> References: <20180514204922.82073-1-tarun.vyas@intel.com> <20180514204922.82073-3-tarun.vyas@intel.com> Reply-To: dhinakaran.pandiyan@intel.com Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id ACDE96E27A for ; Tue, 19 Jun 2018 21:01:23 +0000 (UTC) In-Reply-To: <20180514204922.82073-3-tarun.vyas@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Tarun Vyas , intel-gfx@lists.freedesktop.org Cc: jani.nikula@intel.com, rodrigo.vivi@intel.com List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCAyMDE4LTA1LTE0IGF0IDEzOjQ5IC0wNzAwLCBUYXJ1biBWeWFzIHdyb3RlOgo+IFRo ZSBQSVBFRFNMIGZyZWV6ZXMgb24gUFNSIGVudHJ5IGFuZCBpZiBQU1IgaGFzbid0IGZ1bGx5IGV4 aXRlZCwgdGhlbgo+IHRoZSBwaXBlX3VwZGF0ZV9zdGFydCBjYWxsIHNjaGVkdWxlcyBpdHNlbGYg b3V0IHRvIGNoZWNrIGJhY2sgbGF0ZXIuCj4gCj4gT24gQ2hyb21lT1MtNC40IGtlcm5lbCwgd2hp Y2ggaXMgZmFpcmx5IHVwLXRvLWRhdGUgdy5yLnQgZHJtL2k5MTUgYnV0Cj4gbGFncyB3LnIudCBj b3JlIGtlcm5lbCBjb2RlLCBob3QgcGx1Z2dpbmcgYW4gZXh0ZXJuYWwgZGlzcGxheQo+IHRyaWdn ZXJzCj4gdG9ucyBvZiAicG90ZW50aWFsIGF0b21pYyB1cGRhdGUgZXJyb3JzIiBpbiB0aGUgZG1l c2csIG9uICpwaXBlIEEqLiBBCj4gY2xvc2VyIGFuYWx5c2lzIHJldmVhbHMgdGhhdCB3ZSB0cnkg dG8gcmVhZCB0aGUgc2NhbmxpbmUgMyB0aW1lcyBhbmQKPiBldmVudHVhbGx5IHRpbWVvdXQsIGIv YyBQU1IgaGFzbid0IGV4aXRlZCBmdWxseSBsZWFkaW5nIHRvIGEgUElQRURTTAo+IHN0dWNrIEAg MTU5OS4gVGhpcyBpc3N1ZSBpcyBub3Qgc2VlbiBvbiB1cHN0cmVhbSBrZXJuZWxzLCBiL2MgZm9y Cj4gKnNvbWUqCj4gcmVhc29uIHdlIGxvb3AgaW5zaWRlIGludGVsX3BpcGVfdXBkYXRlIHN0YXJ0 IGZvciB+MisgbXNlYyB3aGljaCBpbgo+IHRoaXMKPiBjYXNlIGlzIG1vcmUgdGhhbiBlbm91Z2gg dG8gZXhpdCBQU1IgZnVsbHksIGhlbmNlIGFuICp1bnN0dWNrKgo+IFBJUEVEU0wKPiBjb3VudGVy LCBoZW5jZSBubyBlcnJvci4gT24gdGhlIG90aGVyIGhhbmQsIHRoZSBDaHJvbWVPUyBrZXJuZWwK PiBzcGVuZHMKPiB+MS4xIG1zZWMgbG9vcGluZyBpbnNpZGUgaW50ZWxfcGlwZV91cGRhdGVfc3Rh cnQgYW5kIGhlbmNlIGVycm9ycyBvdXQKPiBiL2MgdGhlIHNvdXJjZSBpcyBzdGlsbCBpbiBQU1Iu Cj4gCj4gUmVnYXJkbGVzcywgd2Ugc2hvdWxkIHdhaXQgZm9yIFBTUiBleGl0IChpZiBQU1IgaXMg c3VwcG9ydGVkIGFuZAo+IGFjdGl2ZQo+IG9uIHRoZSBjdXJyZW50IHBpcGUpIGJlZm9yZSByZWFk aW5nIHRoZSBQSVBFRFNMLCBiL2MgaWYgd2UgaGF2ZW4ndAo+IGZ1bGx5IGV4aXRlZCBQU1IsIHRo ZW4gY2hlY2tpbmcgZm9yIHZibGFuayBldmFzaW9uIGlzbid0IGFjdHVhbGx5Cj4gYXBwbGljYWJs ZS4KPiAKPiBUaGlzIHNjZW5hcmlvIGFwcGxpZXMgdG8gYSBjb25maWd1cmF0aW9uIHdpdGggYW4g YWRkaXRpb25hbCBwaXBlLAo+IGFzIG9mIG5vdwo+IAo+IFNpZ25lZC1vZmYtYnk6IFRhcnVuIFZ5 YXMgPHRhcnVuLnZ5YXNAaW50ZWwuY29tPgo+IC0tLQo+IMKgZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfc3ByaXRlLmMgfCA3ICsrKysrLS0KPiDCoDEgZmlsZSBjaGFuZ2VkLCA1IGluc2VydGlv bnMoKyksIDIgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX3Nwcml0ZS5jCj4gYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9zcHJpdGUu Ywo+IGluZGV4IGVlMjM2MTNmOWZkNC4uNDgxZDMxMGU1YzNiIDEwMDY0NAo+IC0tLSBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX3Nwcml0ZS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfc3ByaXRlLmMKPiBAQCAtMTA3LDE0ICsxMDcsMTcgQEAgdm9pZCBpbnRlbF9waXBl X3VwZGF0ZV9zdGFydChjb25zdCBzdHJ1Y3QKPiBpbnRlbF9jcnRjX3N0YXRlICpuZXdfY3J0Y19z dGF0ZSkKPiDCoAkJCQkJCcKgwqDCoMKgwqDCoFZCTEFOS19FVkFTSU9OCj4gX1RJTUVfVVMpOwo+ IMKgCW1heCA9IHZibGFua19zdGFydCAtIDE7Cj4gwqAKPiAtCWxvY2FsX2lycV9kaXNhYmxlKCk7 Cj4gLQo+IMKgCWlmIChtaW4gPD0gMCB8fCBtYXggPD0gMCkKPiDCoAkJcmV0dXJuOwo+IMKgCj4g wqAJaWYgKFdBUk5fT04oZHJtX2NydGNfdmJsYW5rX2dldCgmY3J0Yy0+YmFzZSkpKQo+IMKgCQly ZXR1cm47Cj4gwqAKPiArCWlmKG5ld19jcnRjX3N0YXRlLT5oYXNfcHNyICYmIGRldl9wcml2LT5w c3IuYWN0aXZlKQo+ICsJCXBzcl93YWl0X2Zvcl9pZGxlKGRldl9wcml2KTsKCkhvdyBhYm91dCBq dXN0IHdhaXRpbmcgZm9yIFBTUl9TVEFUVVMgdG8gaWRsZSB3aXRob3V0IGdyYWJiaW5nIGFueQps b2NrcyBvciBjaGVja2luZyB3aGV0aGVyIFBTUiBpcyBhY3RpdmU/CgpTdGF0dXMgc2hvdWxkIGJl IGlkbGUgaWYgUFNSIHdhcyBkaXNhYmxlZCBvciBvbiBpdCdzIHdheSB0byBiZWNvbWluZwppZGxl IGlmIGl0IHdhcyBlbmFibGVkLiBFdmVuIGlmIFBTUiBkaWQgZ2V0IGVuYWJsZWQgd2hpbGUgd2Ug YXJlIGluCnBpcGVfdXBkYXRlX3N0YXJ0KCksIGl0IHdpbGwgbm90IGJlIGFjdGl2ZSBhcyBsb25n IGFzIFZCSXMgYXJlIGVuYWJsZWQuCgoKCj4gKwo+ICsJbG9jYWxfaXJxX2Rpc2FibGUoKTsKPiAr Cj4gwqAJY3J0Yy0+ZGVidWcubWluX3ZibCA9IG1pbjsKPiDCoAljcnRjLT5kZWJ1Zy5tYXhfdmJs ID0gbWF4Owo+IMKgCXRyYWNlX2k5MTVfcGlwZV91cGRhdGVfc3RhcnQoY3J0Yyk7Cl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5n IGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=