From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: [PATCH] drm/i915: safeguard against too high minimum brightness Date: Wed, 5 Nov 2014 14:46:31 +0200 Message-ID: <1415191591-9013-1-git-send-email-jani.nikula@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 84A316E8E4 for ; Wed, 5 Nov 2014 04:46:39 -0800 (PST) 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: jani.nikula@intel.com List-Id: intel-gfx@lists.freedesktop.org TmV2ZXIgdHJ1c3QgKHlvdXIgaW50ZXJwcmV0YXRpb24gb2YpIHRoZSBWQlQuIFJlZ3Jlc3Npb24g ZnJvbQoKY29tbWl0IDZkZGE3MzBlNTVmNDEyYTZkZmIxODFjYWU2Nzg0ODIyYmE0NjM4NDcKQXV0 aG9yOiBKYW5pIE5pa3VsYSA8amFuaS5uaWt1bGFAaW50ZWwuY29tPgpEYXRlOiAgIFR1ZSBKdW4g MjQgMTg6Mjc6NDAgMjAxNCArMDMwMAoKICAgIGRybS9pOTE1OiByZXNwZWN0IHRoZSBWQlQgbWlu aW11bSBiYWNrbGlnaHQgYnJpZ2h0bmVzcwoKY2F1c2luZyBkaXYgYnkgemVybyBpZiBWQlQgbWlu aW11bSBicmlnaHRuZXNzIGVxdWFscyBtYXhpbXVtIGJyaWdodG5lc3MuCgpEZXNwaXRlIG15IGF0 dGVtcHRzIEkndmUgZmFpbGVkIGluIG15IGRldGVjdGl2ZSB3b3JrIHRvIGZpZ3VyZSBvdXQgd2hh dAp0aGUgcm9vdCBjYXVzZSBpcy4gVGhpcyBpcyBub3QgdGhlIHJlYWwgZml4LCBidXQgd2UgaGF2 ZSB0byBkbwpzb21ldGhpbmcuCgpSZXBvcnRlZC1ieTogTWlrZSBBdXR5IDxtaWtlLmF1dHlAZ21h aWwuY29tPgpCdWd6aWxsYTogaHR0cHM6Ly9idWd6aWxsYS5rZXJuZWwub3JnL3Nob3dfYnVnLmNn aT9pZD04NjU1MQpDYzogc3RhYmxlQHZnZXIua2VybmVsLm9yZyAodjMuMTcrKQpTaWduZWQtb2Zm LWJ5OiBKYW5pIE5pa3VsYSA8amFuaS5uaWt1bGFAaW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX3BhbmVsLmMgfCAxNyArKysrKysrKysrKysrKystLQogMSBmaWxlIGNo YW5nZWQsIDE1IGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcGFuZWwuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX3BhbmVsLmMKaW5kZXggZTE4YjNmNDkwNzRjLi5iMDAxYzkwMzEyZTcgMTAwNjQ0Ci0tLSBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BhbmVsLmMKKysrIGIvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfcGFuZWwuYwpAQCAtMTA5NCwxMiArMTA5NCwyNSBAQCBzdGF0aWMgdTMyIGdl dF9iYWNrbGlnaHRfbWluX3ZidChzdHJ1Y3QgaW50ZWxfY29ubmVjdG9yICpjb25uZWN0b3IpCiAJ c3RydWN0IGRybV9kZXZpY2UgKmRldiA9IGNvbm5lY3Rvci0+YmFzZS5kZXY7CiAJc3RydWN0IGRy bV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0gZGV2LT5kZXZfcHJpdmF0ZTsKIAlzdHJ1Y3QgaW50 ZWxfcGFuZWwgKnBhbmVsID0gJmNvbm5lY3Rvci0+cGFuZWw7CisJaW50IG1pbjsKIAogCVdBUk5f T04ocGFuZWwtPmJhY2tsaWdodC5tYXggPT0gMCk7CiAKKwkvKgorCSAqIFhYWDogSWYgdGhlIHZi dCB2YWx1ZSBpcyAyNTUsIGl0IG1ha2VzIG1pbiBlcXVhbCB0byBtYXgsIHdoaWNoIGxlYWRzCisJ ICogdG8gcHJvYmxlbXMuIFRoZXJlIGFyZSBzdWNoIG1hY2hpbmVzIG91dCB0aGVyZS4gRWl0aGVy IG91cgorCSAqIGludGVycHJldGF0aW9uIGlzIHdyb25nIG9yIHRoZSB2YnQgaGFzIGJvZ3VzIGRh dGEuIE9yIGJvdGguIFNhZmVndWFyZAorCSAqIGFnYWluc3QgdGhpcyBieSBsZXR0aW5nIHRoZSBt aW5pbXVtIGJlIGF0IG1vc3QgKGFyYml0cmFyaWx5IGNob3NlbikKKwkgKiAyNSUgb2YgdGhlIG1h eC4KKwkgKi8KKwltaW4gPSBjbGFtcF90KGludCwgZGV2X3ByaXYtPnZidC5iYWNrbGlnaHQubWlu X2JyaWdodG5lc3MsIDAsIDY0KTsKKwlpZiAobWluICE9IGRldl9wcml2LT52YnQuYmFja2xpZ2h0 Lm1pbl9icmlnaHRuZXNzKSB7CisJCURSTV9ERUJVR19LTVMoImNsYW1waW5nIFZCVCBtaW4gYmFj a2xpZ2h0ICVkLzI1NSB0byAlZC8yNTVcbiIsCisJCQkgICAgICBkZXZfcHJpdi0+dmJ0LmJhY2ts aWdodC5taW5fYnJpZ2h0bmVzcywgbWluKTsKKwl9CisKIAkvKiB2YnQgdmFsdWUgaXMgYSBjb2Vm ZmljaWVudCBpbiByYW5nZSBbMC4uMjU1XSAqLwotCXJldHVybiBzY2FsZShkZXZfcHJpdi0+dmJ0 LmJhY2tsaWdodC5taW5fYnJpZ2h0bmVzcywgMCwgMjU1LAotCQkgICAgIDAsIHBhbmVsLT5iYWNr bGlnaHQubWF4KTsKKwlyZXR1cm4gc2NhbGUobWluLCAwLCAyNTUsIDAsIHBhbmVsLT5iYWNrbGln aHQubWF4KTsKIH0KIAogc3RhdGljIGludCBiZHdfc2V0dXBfYmFja2xpZ2h0KHN0cnVjdCBpbnRl bF9jb25uZWN0b3IgKmNvbm5lY3RvcikKLS0gCjIuMS4xCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdm eEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=