From mboxrd@z Thu Jan 1 00:00:00 1970 From: Archit Taneja Subject: [RFC v2 3/5] drm/dsi: Check for used channels Date: Tue, 6 Oct 2015 14:54:40 +0530 Message-ID: <1444123482-25579-4-git-send-email-architt@codeaurora.org> References: <1435641851-27295-1-git-send-email-architt@codeaurora.org> <1444123482-25579-1-git-send-email-architt@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from smtp.codeaurora.org (smtp.codeaurora.org [198.145.29.96]) by gabe.freedesktop.org (Postfix) with ESMTPS id 874177208A for ; Tue, 6 Oct 2015 02:25:02 -0700 (PDT) In-Reply-To: <1444123482-25579-1-git-send-email-architt@codeaurora.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org, a.hajda@samsung.com Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, treding@nvidia.com List-Id: dri-devel@lists.freedesktop.org V2UgZG9uJ3QgY2hlY2sgd2hldGhlciBhIHByZXZpb3VzbHkgcmVnaXN0ZXJlZCBtaXBpX2RzaV9k ZXZpY2UgdW5kZXIgdGhlCnNhbWUgaG9zdCBzaGFyZXMgdGhlIHNhbWUgdmlydHVhbCBjaGFubmVs LgoKQmVmb3JlIHJlZ2lzdGVyaW5nLCBjaGVjayBpZiBhbnkgb2YgdGhlIHJlZ2lzdGVyZWQgZGV2 aWNlcyBkb2Vzbid0CmFscmVhZHkgaGF2ZSB0aGUgc2FtZSB2aXJ0dWFsIGNoYW5uZWwuCgpUaGlz IHdhc24ndCBjcnVjaWFsIHdoZW4gYWxsIHRoZSBkZXZpY2VzIHVuZGVyIGEgaG9zdCB3ZXJlIHBv cHVsYXRlZCB2aWEKRFQuIE5vdyB0aGF0IHdlIGFsc28gc3VwcG9ydCBjcmVhdGluZyBkZXZpY2Vz IG1hbnVhbGx5LCB3ZSBjb3VsZCBlbmQgdXAKaW4gYSBzaXR1YXRpb24gd2hlcmUgYSBkcml2ZXIg dHJpZXMgdG8gY3JlYXRlIGEgZGV2aWNlIHdpdGggYSB2aXJ0dWFsCmNoYW5uZWwgYWxyZWFkeSB0 YWtlbiBieSBhIGRldmljZSBwb3B1bGF0ZWQgaW4gRFQuCgpTaWduZWQtb2ZmLWJ5OiBBcmNoaXQg VGFuZWphIDxhcmNoaXR0QGNvZGVhdXJvcmEub3JnPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9kcm1f bWlwaV9kc2kuYyB8IDI2ICsrKysrKysrKysrKysrKysrKysrKysrKy0tCiAxIGZpbGUgY2hhbmdl ZCwgMjQgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJz L2dwdS9kcm0vZHJtX21pcGlfZHNpLmMgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX21pcGlfZHNpLmMK aW5kZXggNDZlZTUxNS4uZGI2MTMwYSAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2RybV9t aXBpX2RzaS5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fbWlwaV9kc2kuYwpAQCAtMTIzLDYg KzEyMywyMiBAQCBzdGF0aWMgY29uc3Qgc3RydWN0IGRldmljZV90eXBlIG1pcGlfZHNpX2Rldmlj ZV90eXBlID0gewogCS5yZWxlYXNlID0gbWlwaV9kc2lfZGV2X3JlbGVhc2UsCiB9OwogCitzdGF0 aWMgaW50IF9fZHNpX2NoZWNrX2NoYW5fYnVzeShzdHJ1Y3QgZGV2aWNlICpkZXYsIHZvaWQgKmRh dGEpCit7CisJc3RydWN0IG1pcGlfZHNpX2RldmljZSAqZHNpID0gdG9fbWlwaV9kc2lfZGV2aWNl KGRldik7CisJdTMyIHJlZyA9ICoodTMyICopIGRhdGE7CisKKwlpZiAoZHNpICYmIGRzaS0+Y2hh bm5lbCA9PSByZWcpCisJCXJldHVybiAtRUJVU1k7CisKKwlyZXR1cm4gMDsKK30KKworc3RhdGlj IGludCBtaXBpX2RzaV9jaGVja19jaGFuX2J1c3koc3RydWN0IG1pcGlfZHNpX2hvc3QgKmhvc3Qs IHUzMiByZWcpCit7CisJcmV0dXJuIGRldmljZV9mb3JfZWFjaF9jaGlsZChob3N0LT5kZXYsICZy ZWcsIF9fZHNpX2NoZWNrX2NoYW5fYnVzeSk7Cit9CisKIHN0cnVjdCBtaXBpX2RzaV9kZXZpY2Ug Km1pcGlfZHNpX2RldmljZV9uZXcoc3RydWN0IG1pcGlfZHNpX2hvc3QgKmhvc3QsCiAJCQkJCSAg ICBzdHJ1Y3QgbWlwaV9kc2lfZGV2aWNlX2luZm8gKmluZm8pCiB7CkBAIC0xNTAsMTQgKzE2Niwy MCBAQCBzdHJ1Y3QgbWlwaV9kc2lfZGV2aWNlICptaXBpX2RzaV9kZXZpY2VfbmV3KHN0cnVjdCBt aXBpX2RzaV9ob3N0ICpob3N0LAogCiAJZGV2X3NldF9uYW1lKCZkc2ktPmRldiwgIiVzLiVkIiwg ZGV2X25hbWUoaG9zdC0+ZGV2KSwgaW5mby0+cmVnKTsKIAorCXIgPSBtaXBpX2RzaV9jaGVja19j aGFuX2J1c3koaG9zdCwgaW5mby0+cmVnKTsKKwlpZiAocikKKwkJZ290byBlcnI7CisKIAlyID0g ZGV2aWNlX3JlZ2lzdGVyKCZkc2ktPmRldik7CiAJaWYgKHIpIHsKIAkJZGV2X2VycihkZXYsICJm YWlsZWQgdG8gcmVnaXN0ZXIgZGV2aWNlOiAlZFxuIiwgcik7Ci0JCWtmcmVlKGRzaSk7Ci0JCXJl dHVybiBFUlJfUFRSKHIpOworCQlnb3RvIGVycjsKIAl9CiAKIAlyZXR1cm4gZHNpOworZXJyOgor CWtmcmVlKGRzaSk7CisJcmV0dXJuIEVSUl9QVFIocik7CiB9CiBFWFBPUlRfU1lNQk9MKG1pcGlf ZHNpX2RldmljZV9uZXcpOwogCi0tIApUaGUgUXVhbGNvbW0gSW5ub3ZhdGlvbiBDZW50ZXIsIElu Yy4gaXMgYSBtZW1iZXIgb2YgdGhlIENvZGUgQXVyb3JhIEZvcnVtLApob3N0ZWQgYnkgVGhlIExp bnV4IEZvdW5kYXRpb24KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRl dmVsCg==