From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm/i915: safeguard against too high minimum brightness Date: Wed, 5 Nov 2014 16:56:37 +0100 Message-ID: <20141105155637.GV26941@phenom.ffwll.local> References: <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 mail-wi0-f171.google.com (mail-wi0-f171.google.com [209.85.212.171]) by gabe.freedesktop.org (Postfix) with ESMTP id 1E8F56E79F for ; Wed, 5 Nov 2014 07:56:25 -0800 (PST) Received: by mail-wi0-f171.google.com with SMTP id r20so443445wiv.10 for ; Wed, 05 Nov 2014 07:56:23 -0800 (PST) Content-Disposition: inline In-Reply-To: <1415191591-9013-1-git-send-email-jani.nikula@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jani Nikula Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBOb3YgMDUsIDIwMTQgYXQgMDI6NDY6MzFQTSArMDIwMCwgSmFuaSBOaWt1bGEgd3Jv dGU6Cj4gTmV2ZXIgdHJ1c3QgKHlvdXIgaW50ZXJwcmV0YXRpb24gb2YpIHRoZSBWQlQuIFJlZ3Jl c3Npb24gZnJvbQo+IAo+IGNvbW1pdCA2ZGRhNzMwZTU1ZjQxMmE2ZGZiMTgxY2FlNjc4NDgyMmJh NDYzODQ3Cj4gQXV0aG9yOiBKYW5pIE5pa3VsYSA8amFuaS5uaWt1bGFAaW50ZWwuY29tPgo+IERh dGU6ICAgVHVlIEp1biAyNCAxODoyNzo0MCAyMDE0ICswMzAwCj4gCj4gICAgIGRybS9pOTE1OiBy ZXNwZWN0IHRoZSBWQlQgbWluaW11bSBiYWNrbGlnaHQgYnJpZ2h0bmVzcwo+IAo+IGNhdXNpbmcg ZGl2IGJ5IHplcm8gaWYgVkJUIG1pbmltdW0gYnJpZ2h0bmVzcyBlcXVhbHMgbWF4aW11bSBicmln aHRuZXNzLgo+IAo+IERlc3BpdGUgbXkgYXR0ZW1wdHMgSSd2ZSBmYWlsZWQgaW4gbXkgZGV0ZWN0 aXZlIHdvcmsgdG8gZmlndXJlIG91dCB3aGF0Cj4gdGhlIHJvb3QgY2F1c2UgaXMuIFRoaXMgaXMg bm90IHRoZSByZWFsIGZpeCwgYnV0IHdlIGhhdmUgdG8gZG8KPiBzb21ldGhpbmcuCj4gCj4gUmVw b3J0ZWQtYnk6IE1pa2UgQXV0eSA8bWlrZS5hdXR5QGdtYWlsLmNvbT4KPiBCdWd6aWxsYTogaHR0 cHM6Ly9idWd6aWxsYS5rZXJuZWwub3JnL3Nob3dfYnVnLmNnaT9pZD04NjU1MQo+IENjOiBzdGFi bGVAdmdlci5rZXJuZWwub3JnICh2My4xNyspCj4gU2lnbmVkLW9mZi1ieTogSmFuaSBOaWt1bGEg PGphbmkubmlrdWxhQGludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfcGFuZWwuYyB8IDE3ICsrKysrKysrKysrKysrKy0tCj4gIDEgZmlsZSBjaGFuZ2VkLCAxNSBp bnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9wYW5lbC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcGFu ZWwuYwo+IGluZGV4IGUxOGIzZjQ5MDc0Yy4uYjAwMWM5MDMxMmU3IDEwMDY0NAo+IC0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BhbmVsLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9wYW5lbC5jCj4gQEAgLTEwOTQsMTIgKzEwOTQsMjUgQEAgc3RhdGljIHUzMiBn ZXRfYmFja2xpZ2h0X21pbl92YnQoc3RydWN0IGludGVsX2Nvbm5lY3RvciAqY29ubmVjdG9yKQo+ ICAJc3RydWN0IGRybV9kZXZpY2UgKmRldiA9IGNvbm5lY3Rvci0+YmFzZS5kZXY7Cj4gIAlzdHJ1 Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSBkZXYtPmRldl9wcml2YXRlOwo+ICAJc3Ry dWN0IGludGVsX3BhbmVsICpwYW5lbCA9ICZjb25uZWN0b3ItPnBhbmVsOwo+ICsJaW50IG1pbjsK PiAgCj4gIAlXQVJOX09OKHBhbmVsLT5iYWNrbGlnaHQubWF4ID09IDApOwo+ICAKPiArCS8qCj4g KwkgKiBYWFg6IElmIHRoZSB2YnQgdmFsdWUgaXMgMjU1LCBpdCBtYWtlcyBtaW4gZXF1YWwgdG8g bWF4LCB3aGljaCBsZWFkcwo+ICsJICogdG8gcHJvYmxlbXMuIFRoZXJlIGFyZSBzdWNoIG1hY2hp bmVzIG91dCB0aGVyZS4gRWl0aGVyIG91cgo+ICsJICogaW50ZXJwcmV0YXRpb24gaXMgd3Jvbmcg b3IgdGhlIHZidCBoYXMgYm9ndXMgZGF0YS4gT3IgYm90aC4gU2FmZWd1YXJkCj4gKwkgKiBhZ2Fp bnN0IHRoaXMgYnkgbGV0dGluZyB0aGUgbWluaW11bSBiZSBhdCBtb3N0IChhcmJpdHJhcmlseSBj aG9zZW4pCj4gKwkgKiAyNSUgb2YgdGhlIG1heC4KPiArCSAqLwo+ICsJbWluID0gY2xhbXBfdChp bnQsIGRldl9wcml2LT52YnQuYmFja2xpZ2h0Lm1pbl9icmlnaHRuZXNzLCAwLCA2NCk7CgptaW5f YnJpZ2h0bmVzcyBpcyB1bnNpZ25lZCBldmVyeXdoZXJlIEkndmUgbG9vaywgc28gYSBtaW5fdCBs b29rcwpzdWZmaWNpZW50IGhlcmUuIE90aGVyd2lzZQoKUmV2aWV3ZWQtYnk6IERhbmllbCBWZXR0 ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+CgpBbHNvLCBtb3JlIGdpbiBwbHMgOigKLURhbmll bAoKPiArCWlmIChtaW4gIT0gZGV2X3ByaXYtPnZidC5iYWNrbGlnaHQubWluX2JyaWdodG5lc3Mp IHsKPiArCQlEUk1fREVCVUdfS01TKCJjbGFtcGluZyBWQlQgbWluIGJhY2tsaWdodCAlZC8yNTUg dG8gJWQvMjU1XG4iLAo+ICsJCQkgICAgICBkZXZfcHJpdi0+dmJ0LmJhY2tsaWdodC5taW5fYnJp Z2h0bmVzcywgbWluKTsKPiArCX0KPiArCj4gIAkvKiB2YnQgdmFsdWUgaXMgYSBjb2VmZmljaWVu dCBpbiByYW5nZSBbMC4uMjU1XSAqLwo+IC0JcmV0dXJuIHNjYWxlKGRldl9wcml2LT52YnQuYmFj a2xpZ2h0Lm1pbl9icmlnaHRuZXNzLCAwLCAyNTUsCj4gLQkJICAgICAwLCBwYW5lbC0+YmFja2xp Z2h0Lm1heCk7Cj4gKwlyZXR1cm4gc2NhbGUobWluLCAwLCAyNTUsIDAsIHBhbmVsLT5iYWNrbGln aHQubWF4KTsKPiAgfQo+ICAKPiAgc3RhdGljIGludCBiZHdfc2V0dXBfYmFja2xpZ2h0KHN0cnVj dCBpbnRlbF9jb25uZWN0b3IgKmNvbm5lY3RvcikKPiAtLSAKPiAyLjEuMQo+IAo+IF9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxp bmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4CgotLSAKRGFuaWVsIFZl dHRlcgpTb2Z0d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24KKzQxICgwKSA3OSAzNjUg NTcgNDggLSBodHRwOi8vYmxvZy5mZndsbC5jaApfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2ludGVsLWdmeAo=