From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rodrigo Vivi Subject: Re: [PATCH v2 3/8] drm/i915/psr: Avoid initializing PSR if there is no sink support. Date: Tue, 19 Dec 2017 13:29:36 -0800 Message-ID: <20171219212936.hgfunngspyvvdnvd@intel.com> References: <20171219052659.2355-1-dhinakaran.pandiyan@intel.com> <20171219052659.2355-4-dhinakaran.pandiyan@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20171219052659.2355-4-dhinakaran.pandiyan@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Dhinakaran Pandiyan Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gVHVlLCBEZWMgMTksIDIwMTcgYXQgMDU6MjY6NTRBTSArMDAwMCwgRGhpbmFrYXJhbiBQYW5k aXlhbiB3cm90ZToKPiBEUENEIHJlYWQgZm9yIHRoZSBlRFAgaXMgY29tcGxldGUgYnkgdGhlIHRp bWUgaW50ZWxfcHNyX2luaXQoKSBpcwo+IGNhbGxlZCwgd2hpY2ggbWVhbnMgd2UgY2FuIGF2b2lk IGluaXRpYWxpemluZyBQU1Igc3RydWN0dXJlcyBhbmQgc3RhdGUKPiBpZiB0aGVyZSBpcyBubyBz aW5rIHN1cHBvcnQuCj4gCj4gQ2M6IFJvZHJpZ28gVml2aSA8cm9kcmlnby52aXZpQGludGVsLmNv bT4KPiBDYzogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4K PiBTaWduZWQtb2ZmLWJ5OiBEaGluYWthcmFuIFBhbmRpeWFuIDxkaGluYWthcmFuLnBhbmRpeWFu QGludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kZWJ1Z2ZzLmMg fCA3ICsrKysrKy0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMgICAgfCA5ICsr KysrKysrKwo+ICAyIGZpbGVzIGNoYW5nZWQsIDE1IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24o LSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kZWJ1Z2ZzLmMg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2RlYnVnZnMuYwo+IGluZGV4IDY0ZTVhMjYzNDU4 Yy4uMWE3YjI4ZjYyNTcwIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVf ZGVidWdmcy5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kZWJ1Z2ZzLmMKPiBA QCAtMjUzMiwxNCArMjUzMiwxOSBAQCBzdGF0aWMgaW50IGk5MTVfZWRwX3Bzcl9zdGF0dXMoc3Ry dWN0IHNlcV9maWxlICptLCB2b2lkICpkYXRhKQo+ICAJdTMyIHN0YXRbM107Cj4gIAllbnVtIHBp cGUgcGlwZTsKPiAgCWJvb2wgZW5hYmxlZCA9IGZhbHNlOwo+ICsJYm9vbCBzaW5rX3N1cHBvcnQ7 Cj4gIAo+ICAJaWYgKCFIQVNfUFNSKGRldl9wcml2KSkKPiAgCQlyZXR1cm4gLUVOT0RFVjsKPiAg Cj4gKwlzaW5rX3N1cHBvcnQgPSBkZXZfcHJpdi0+cHNyLnNpbmtfc3VwcG9ydDsKPiArCXNlcV9w cmludGYobSwgIlNpbmtfU3VwcG9ydDogJXNcbiIsIHllc25vKHNpbmtfc3VwcG9ydCkpOwo+ICsJ aWYgKCFzaW5rX3N1cHBvcnQpCj4gKwkJcmV0dXJuIDA7Cj4gKwo+ICAJaW50ZWxfcnVudGltZV9w bV9nZXQoZGV2X3ByaXYpOwo+ICAKPiAgCW11dGV4X2xvY2soJmRldl9wcml2LT5wc3IubG9jayk7 Cj4gLQlzZXFfcHJpbnRmKG0sICJTaW5rX1N1cHBvcnQ6ICVzXG4iLCB5ZXNubyhkZXZfcHJpdi0+ cHNyLnNpbmtfc3VwcG9ydCkpOwo+ICAJc2VxX3ByaW50ZihtLCAiRW5hYmxlZDogJXNcbiIsIHll c25vKChib29sKWRldl9wcml2LT5wc3IuZW5hYmxlZCkpOwo+ICAJc2VxX3ByaW50ZihtLCAiQWN0 aXZlOiAlc1xuIiwgeWVzbm8oZGV2X3ByaXYtPnBzci5hY3RpdmUpKTsKPiAgCXNlcV9wcmludGYo bSwgIkJ1c3kgZnJvbnRidWZmZXIgYml0czogMHglMDN4XG4iLAo+IGRpZmYgLS1naXQgYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X3Bzci5jCj4gaW5kZXggNzYzMzljZjM4N2NiLi4wOTVlMGE1YTg1NzQgMTAwNjQ0Cj4gLS0tIGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9wc3IuYwo+IEBAIC01MDMsNiArNTAzLDkgQEAgdm9pZCBpbnRlbF9wc3JfZW5h YmxlKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHAsCj4gIAlpZiAoIWNydGNfc3RhdGUtPmhhc19w c3IpCj4gIAkJcmV0dXJuOwo+ICAKPiArCWlmIChXQVJOX09OKCFDQU5fUFNSKGRldl9wcml2KSkp Cj4gKwkJcmV0dXJuOwoKaG1tLi4uIEkgYmVsaWV2ZSB3ZSB3aWxsIHNlZSB0aGlzIHdhcm5pbmcg c29vbmVyIHRoYW4gbGF0ZXIuLi4KCmhhc19wc3IgaXMgbm90IHRoZSBzYW1lIGFzIENBTl9QU1Iu CgphbHNvLCBidHcgSSBkaWRuJ3QgbGlrZSBhbGwgdGhpcyBjcnRjX3N0YXRlIGhhc19wc3IgeCBo YXNfcHNyMi4gOi8KCnByb2JhYmx5IHRoaXMgc2VyaWVzIGNvdWxkIGFsc28gdW5pZnkgdGhhdCBh bmQgY2xlYW4gaXQgdXAuCnRvIG1hbnkgaGFzX3BzciBsaWtlIGNhc2VzLgoKPiArCj4gIAlXQVJO X09OKGRldl9wcml2LT5kcnJzLmRwKTsKPiAgCW11dGV4X2xvY2soJmRldl9wcml2LT5wc3IubG9j ayk7Cj4gIAlpZiAoZGV2X3ByaXYtPnBzci5lbmFibGVkKSB7Cj4gQEAgLTYzMyw2ICs2MzYsOSBA QCB2b2lkIGludGVsX3Bzcl9kaXNhYmxlKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHAsCj4gIAlp ZiAoIW9sZF9jcnRjX3N0YXRlLT5oYXNfcHNyKQo+ICAJCXJldHVybjsKPiAgCj4gKwlpZiAoV0FS Tl9PTighQ0FOX1BTUihkZXZfcHJpdikpKQo+ICsJCXJldHVybjsKPiArCj4gIAltdXRleF9sb2Nr KCZkZXZfcHJpdi0+cHNyLmxvY2spOwo+ICAJaWYgKCFkZXZfcHJpdi0+cHNyLmVuYWJsZWQpIHsK PiAgCQltdXRleF91bmxvY2soJmRldl9wcml2LT5wc3IubG9jayk7Cj4gQEAgLTkxMyw2ICs5MTks OSBAQCB2b2lkIGludGVsX3Bzcl9pbml0KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJp dikKPiAgCWRldl9wcml2LT5wc3JfbW1pb19iYXNlID0gSVNfSEFTV0VMTChkZXZfcHJpdikgPwo+ ICAJCUhTV19FRFBfUFNSX0JBU0UgOiBCRFdfRURQX1BTUl9CQVNFOwo+ICAKPiArCWlmICghZGV2 X3ByaXYtPnBzci5zaW5rX3N1cHBvcnQpCj4gKwkJcmV0dXJuOwo+ICsKCldoeSBub3QgdXNlIENB Tl9QU1IgaGVyZT8KCj4gIAkvKiBQZXIgcGxhdGZvcm0gZGVmYXVsdDogYWxsIGRpc2FibGVkLiAq Lwo+ICAJaWYgKGk5MTVfbW9kcGFyYW1zLmVuYWJsZV9wc3IgPT0gLTEpCj4gIAkJaTkxNV9tb2Rw YXJhbXMuZW5hYmxlX3BzciA9IDA7Cj4gLS0gCj4gMi4xMS4wCj4gCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50 ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=