From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] drm/i915: Add DPI FIFO empty status check Date: Wed, 9 Dec 2015 16:34:54 +0200 Message-ID: <20151209143453.GG4437@intel.com> References: <20151204112644.GP4437@intel.com> <1449660952-25222-1-git-send-email-m.deepak@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id AB1D56E134 for ; Wed, 9 Dec 2015 06:34:57 -0800 (PST) Content-Disposition: inline In-Reply-To: <1449660952-25222-1-git-send-email-m.deepak@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Deepak M Cc: intel-gfx@lists.freedesktop.org, Gaurav K Singh List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBEZWMgMDksIDIwMTUgYXQgMDU6MDU6NTJQTSArMDUzMCwgRGVlcGFrIE0gd3JvdGU6 Cj4gRnJvbTogR2F1cmF2IEsgU2luZ2ggPGdhdXJhdi5rLnNpbmdoQGludGVsLmNvbT4KPiAKPiBC ZWZvcmUgc2VuZGluZyBUVVJOIE9OIHBhY2tldCxjaGVjayB0aGUgRFBJCj4gRklGTyBlbXB0eSBz dGF0dXMuCj4gCj4gdjI6IENoYW5nZSBpbiBjb21taXQgbWVzc2FnZQo+ICAgICBDaGVja2luZyBm b3IgRklGTyBlbXB0eSAgb25seSBkdXJpbmcgVFVSTiBPTiBwYWNrZXQuCj4gdjM6IEFkZGluZyBh IG5ldyBmdW5jdGlvbiBmb3IgRFBJIEZJRk8gZW1wdHkgY2hlY2sKPiAKPiBTaWduZWQtb2ZmLWJ5 OiBHYXVyYXYgSyBTaW5naCA8Z2F1cmF2Lmsuc2luZ2hAaW50ZWwuY29tPgo+IFNpZ25lZC1vZmYt Ynk6IERlZXBhayBNIDxtLmRlZXBha0BpbnRlbC5jb20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2RzaS5jIHwgMTUgKysrKysrKysrKysrKystCj4gIDEgZmlsZSBjaGFuZ2Vk LCAxNCBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX2RzaS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf ZHNpLmMKPiBpbmRleCAxNzBhZTZmLi5lZmY5ODJiIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX2RzaS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf ZHNpLmMKPiBAQCAtNjAsNiArNjAsMTcgQEAgc3RhdGljIHZvaWQgd2FpdF9mb3JfZHNpX2ZpZm9f ZW1wdHkoc3RydWN0IGludGVsX2RzaSAqaW50ZWxfZHNpLCBlbnVtIHBvcnQgcG9ydCkKPiAgCQlE Uk1fRVJST1IoIkRQSSBGSUZPcyBhcmUgbm90IGVtcHR5XG4iKTsKPiAgfQo+ICAKPiArc3RhdGlj IHZvaWQgd2FpdF9mb3JfZHBpX2ZpZm9fZW1wdHkoc3RydWN0IGludGVsX2RzaSAqaW50ZWxfZHNp LCBlbnVtIHBvcnQgcG9ydCkKPiArewo+ICsJc3RydWN0IGRybV9lbmNvZGVyICplbmNvZGVyID0g JmludGVsX2RzaS0+YmFzZS5iYXNlOwo+ICsJc3RydWN0IGRybV9kZXZpY2UgKmRldiA9IGVuY29k ZXItPmRldjsKPiArCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiA9IGRldi0+ZGV2 X3ByaXZhdGU7CgpQYXNzaW5nIGluIGludGVsX2RzaSBqdXN0IHRvIGRpZyBvdXQgdGhlIGRldl9w cml2IGFnYWluIHNlZW1zIGEgYml0CnBvaW50bGVzcy4gQ291bGQganVzdCBwYXNzIGRldl9wcml2 IGRpcmVjdGx5LiBCdXQgSSBndWVzcyBpdCBtYXRjaGVzIHRoZQphbHJlYWR5IGV4aXN0aW5nIGZ1 bmN0aW9ucy4gCgpCVFcgZm9yIGZ1dHVyZSByZWZlcmVuY2UsIHdlIHdvdWxkIHJhdGhlciBzZWUg dG9faTkxNSg8d2hhdGV2ZXI+KQppbnN0ZWFkIG9mIDx3aGF0ZXZlcj4tPmRldl9wcml2YXRlLgoK QW55d2F5LCB0aGUgcGF0Y2ggc2VlbXMgdG8gZG8gd2hhdCBpdCBzYXlzLiBJIGNhbid0IHJlYWxs eSBqdWRnZQp3aGV0aGVyIGl0J3MgdGhlIHJpZ2h0IHRoaW5nIHRvIGRvIHRob3VnaC4KClJldmll d2VkLWJ5OiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgoK PiArCj4gKwlpZiAod2FpdF9mb3IoKEk5MTVfUkVBRChNSVBJX0dFTl9GSUZPX1NUQVQocG9ydCkp ICYgRFBJX0ZJRk9fRU1QVFkpCj4gKwkJCQkJPT0gRFBJX0ZJRk9fRU1QVFksIDUwKSkKPiArCQlE Uk1fRVJST1IoIlRpbWVvdXQgd2FpdGluZyBmb3IgRFBJIEZJRk8gZW1wdHlcbiIpOwo+ICt9Cj4g Kwo+ICBzdGF0aWMgdm9pZCB3cml0ZV9kYXRhKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZf cHJpdiwgdTMyIHJlZywKPiAgCQkgICAgICAgY29uc3QgdTggKmRhdGEsIHUzMiBsZW4pCj4gIHsK PiBAQCAtNDQzLDggKzQ1NCwxMCBAQCBzdGF0aWMgdm9pZCBpbnRlbF9kc2lfZW5hYmxlKHN0cnVj dCBpbnRlbF9lbmNvZGVyICplbmNvZGVyKQo+ICAJCQlJOTE1X1dSSVRFKE1JUElfTUFYX1JFVFVS Tl9QS1RfU0laRShwb3J0KSwgOCAqIDQpOwo+ICAJfSBlbHNlIHsKPiAgCQltc2xlZXAoMjApOyAv KiBYWFggKi8KPiAtCQlmb3JfZWFjaF9kc2lfcG9ydChwb3J0LCBpbnRlbF9kc2ktPnBvcnRzKQo+ ICsJCWZvcl9lYWNoX2RzaV9wb3J0KHBvcnQsIGludGVsX2RzaS0+cG9ydHMpIHsKPiArCQkJd2Fp dF9mb3JfZHBpX2ZpZm9fZW1wdHkoaW50ZWxfZHNpLCBwb3J0KTsKPiAgCQkJZHBpX3NlbmRfY21k KGludGVsX2RzaSwgVFVSTl9PTiwgZmFsc2UsIHBvcnQpOwo+ICsJCX0KPiAgCQltc2xlZXAoMTAw KTsKPiAgCj4gIAkJZHJtX3BhbmVsX2VuYWJsZShpbnRlbF9kc2ktPnBhbmVsKTsKPiAtLSAKPiAx LjkuMQo+IAo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f Cj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKPiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwt Z2Z4CgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdm eEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=