From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 4/5] drm/i915: base gmbus pin validity check on the gmbus pin map array Date: Wed, 1 Apr 2015 14:12:18 +0200 Message-ID: <20150401121218.GA6354@phenom.ffwll.local> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wg0-f53.google.com (mail-wg0-f53.google.com [74.125.82.53]) by gabe.freedesktop.org (Postfix) with ESMTP id EF43289CF9 for ; Wed, 1 Apr 2015 05:10:29 -0700 (PDT) Received: by wgra20 with SMTP id a20so50968533wgr.3 for ; Wed, 01 Apr 2015 05:10:29 -0700 (PDT) Content-Disposition: inline In-Reply-To: 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 T24gRnJpLCBNYXIgMjcsIDIwMTUgYXQgMTI6MjA6MjJBTSArMDIwMCwgSmFuaSBOaWt1bGEgd3Jv dGU6Cj4gVGhpcyB3aWxsIGJlIGhlbHBmdWwgZm9yIGFkZGluZyBmdXR1cmUgcGxhdGZvcm1zLiBJ dCBpcyBiZXR0ZXIgdG8ga2VlcAo+IHRoZSBpbmZvcm1hdGlvbiBpbiB0aGUgc2luZ2xlIHBvaW50 IG9mIHRydXRoICh0aGUgdGFibGUpIGluc3RlYWQgb2YKPiBkdXBsaWNhdGluZyBpdCBpbnRvIHRo ZSB2YWxpZGl0eSBmdW5jdGlvbi4KPiAKPiBXaGlsZSBhdCBpdCwgYWRkIGRldl9wcml2IHBhcmFt ZXRlciB0byB0aGUgZnVuY3Rpb24sIGFsc28gdG8gcHJlcGFyZSBmb3IKPiBhZGRpbmcgZnV0dXJl IHBsYXRmb3JtIHN1cHBvcnQuCj4gCj4gU2lnbmVkLW9mZi1ieTogSmFuaSBOaWt1bGEgPGphbmku bmlrdWxhQGludGVsLmNvbT4KCk1lcmdlZCB1cCB0byB0aGlzIHBhdGNoLCB0aGFua3MuCi1EYW5p ZWwKCj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmggICB8ICA2ICsrLS0t LQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9iaW9zLmMgfCAgMiArLQo+ICBkcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9kdm8uYyAgfCAgMiArLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9pMmMuYyAgfCAxNCArKysrKysrKysrLS0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9sdmRzLmMgfCAgMiArLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9zZHZv LmMgfCAgMyArKy0KPiAgNiBmaWxlcyBjaGFuZ2VkLCAxNyBpbnNlcnRpb25zKCspLCAxMiBkZWxl dGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYu aCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKPiBpbmRleCAwYzYwMjQxMDFlYjku LmExYmE5YmVjOGE2YiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Ry di5oCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaAo+IEBAIC0zMDQ4LDEw ICszMDQ4LDggQEAgdm9pZCBpOTE1X3RlYXJkb3duX3N5c2ZzKHN0cnVjdCBkcm1fZGV2aWNlICpk ZXZfcHJpdik7Cj4gIC8qIGludGVsX2kyYy5jICovCj4gIGV4dGVybiBpbnQgaW50ZWxfc2V0dXBf Z21idXMoc3RydWN0IGRybV9kZXZpY2UgKmRldik7Cj4gIGV4dGVybiB2b2lkIGludGVsX3RlYXJk b3duX2dtYnVzKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYpOwo+IC1zdGF0aWMgaW5saW5lIGJvb2wg aW50ZWxfZ21idXNfaXNfdmFsaWRfcGluKHVuc2lnbmVkIGludCBwaW4pCj4gLXsKPiAtCXJldHVy biAocGluID49IEdNQlVTX1BJTl9TU0MgJiYgcGluIDw9IEdNQlVTX1BJTl9EUEQpOwo+IC19Cj4g K2V4dGVybiBib29sIGludGVsX2dtYnVzX2lzX3ZhbGlkX3BpbihzdHJ1Y3QgZHJtX2k5MTVfcHJp dmF0ZSAqZGV2X3ByaXYsCj4gKwkJCQkgICAgIHVuc2lnbmVkIGludCBwaW4pOwo+ICAKPiAgZXh0 ZXJuIHN0cnVjdCBpMmNfYWRhcHRlciAqCj4gIGludGVsX2dtYnVzX2dldF9hZGFwdGVyKHN0cnVj dCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwgdW5zaWduZWQgaW50IHBpbik7Cj4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Jpb3MuYyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2Jpb3MuYwo+IGluZGV4IDMzM2Y0MDc5MzQzNS4uYWQyZjNiMGQ5MjJmIDEw MDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Jpb3MuYwo+ICsrKyBiL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Jpb3MuYwo+IEBAIC00MzgsNyArNDM4LDcgQEAgcGFy c2VfZ2VuZXJhbF9kZWZpbml0aW9ucyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYs Cj4gIAkJaWYgKGJsb2NrX3NpemUgPj0gc2l6ZW9mKCpnZW5lcmFsKSkgewo+ICAJCQlpbnQgYnVz X3BpbiA9IGdlbmVyYWwtPmNydF9kZGNfZ21idXNfcGluOwo+ICAJCQlEUk1fREVCVUdfS01TKCJj cnRfZGRjX2J1c19waW46ICVkXG4iLCBidXNfcGluKTsKPiAtCQkJaWYgKGludGVsX2dtYnVzX2lz X3ZhbGlkX3BpbihidXNfcGluKSkKPiArCQkJaWYgKGludGVsX2dtYnVzX2lzX3ZhbGlkX3Bpbihk ZXZfcHJpdiwgYnVzX3BpbikpCj4gIAkJCQlkZXZfcHJpdi0+dmJ0LmNydF9kZGNfcGluID0gYnVz X3BpbjsKPiAgCQl9IGVsc2Ugewo+ICAJCQlEUk1fREVCVUdfS01TKCJCREJfR0QgdG9vIHNtYWxs ICglZCkuIEludmFsaWQuXG4iLAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9kdm8uYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2R2by5jCj4gaW5kZXggOGQ2 MjI3MmEzNDIxLi45NjcwZTM4MDI5MzkgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZHZvLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kdm8uYwo+ IEBAIC01MDAsNyArNTAwLDcgQEAgdm9pZCBpbnRlbF9kdm9faW5pdChzdHJ1Y3QgZHJtX2Rldmlj ZSAqZGV2KQo+ICAJCSAqIHNwZWNpYWwgY2FzZXMsIGJ1dCBvdGhlcndpc2UgZGVmYXVsdCB0byB3 aGF0J3MgZGVmaW5lZAo+ICAJCSAqIGluIHRoZSBzcGVjLgo+ICAJCSAqLwo+IC0JCWlmIChpbnRl bF9nbWJ1c19pc192YWxpZF9waW4oZHZvLT5ncGlvKSkKPiArCQlpZiAoaW50ZWxfZ21idXNfaXNf dmFsaWRfcGluKGRldl9wcml2LCBkdm8tPmdwaW8pKQo+ICAJCQlncGlvID0gZHZvLT5ncGlvOwo+ ICAJCWVsc2UgaWYgKGR2by0+dHlwZSA9PSBJTlRFTF9EVk9fQ0hJUF9MVkRTKQo+ICAJCQlncGlv ID0gR01CVVNfUElOX1NTQzsKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfaTJjLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9pMmMuYwo+IGluZGV4IGZmNDdh OGZkY2I2ZC4uZWM5Y2M4Y2Y2NDJlIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2kyYy5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfaTJjLmMKPiBA QCAtNDksNiArNDksMTIgQEAgc3RhdGljIGNvbnN0IHN0cnVjdCBnbWJ1c19waW4gZ21idXNfcGlu c1tdID0gewo+ICAJW0dNQlVTX1BJTl9EUERdID0geyAiZHBkIiwgR1BJT0YgfSwKPiAgfTsKPiAg Cj4gK2Jvb2wgaW50ZWxfZ21idXNfaXNfdmFsaWRfcGluKHN0cnVjdCBkcm1faTkxNV9wcml2YXRl ICpkZXZfcHJpdiwKPiArCQkJICAgICAgdW5zaWduZWQgaW50IHBpbikKPiArewo+ICsJcmV0dXJu IHBpbiA8IEFSUkFZX1NJWkUoZ21idXNfcGlucykgJiYgZ21idXNfcGluc1twaW5dLnJlZzsKPiAr fQo+ICsKPiAgLyogSW50ZWwgR1BJTyBhY2Nlc3MgZnVuY3Rpb25zICovCj4gIAo+ICAjZGVmaW5l IEkyQ19SSVNFRkFMTF9USU1FIDEwCj4gQEAgLTUzNCw3ICs1NDAsNyBAQCBpbnQgaW50ZWxfc2V0 dXBfZ21idXMoc3RydWN0IGRybV9kZXZpY2UgKmRldikKPiAgCWluaXRfd2FpdHF1ZXVlX2hlYWQo JmRldl9wcml2LT5nbWJ1c193YWl0X3F1ZXVlKTsKPiAgCj4gIAlmb3IgKHBpbiA9IDA7IHBpbiA8 IEFSUkFZX1NJWkUoZGV2X3ByaXYtPmdtYnVzKTsgcGluKyspIHsKPiAtCQlpZiAoIWludGVsX2dt YnVzX2lzX3ZhbGlkX3BpbihwaW4pKQo+ICsJCWlmICghaW50ZWxfZ21idXNfaXNfdmFsaWRfcGlu KGRldl9wcml2LCBwaW4pKQo+ICAJCQljb250aW51ZTsKPiAgCj4gIAkJYnVzID0gJmRldl9wcml2 LT5nbWJ1c1twaW5dOwo+IEBAIC01NzEsNyArNTc3LDcgQEAgaW50IGludGVsX3NldHVwX2dtYnVz KHN0cnVjdCBkcm1fZGV2aWNlICpkZXYpCj4gIAo+ICBlcnI6Cj4gIAl3aGlsZSAoLS1waW4pIHsK PiAtCQlpZiAoIWludGVsX2dtYnVzX2lzX3ZhbGlkX3BpbihwaW4pKQo+ICsJCWlmICghaW50ZWxf Z21idXNfaXNfdmFsaWRfcGluKGRldl9wcml2LCBwaW4pKQo+ICAJCQljb250aW51ZTsKPiAgCj4g IAkJYnVzID0gJmRldl9wcml2LT5nbWJ1c1twaW5dOwo+IEBAIC01ODMsNyArNTg5LDcgQEAgZXJy Ogo+ICBzdHJ1Y3QgaTJjX2FkYXB0ZXIgKmludGVsX2dtYnVzX2dldF9hZGFwdGVyKHN0cnVjdCBk cm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKPiAgCQkJCQkgICAgdW5zaWduZWQgaW50IHBpbikK PiAgewo+IC0JaWYgKFdBUk5fT04oIWludGVsX2dtYnVzX2lzX3ZhbGlkX3BpbihwaW4pKSkKPiAr CWlmIChXQVJOX09OKCFpbnRlbF9nbWJ1c19pc192YWxpZF9waW4oZGV2X3ByaXYsIHBpbikpKQo+ ICAJCXJldHVybiBOVUxMOwo+ICAKPiAgCXJldHVybiAmZGV2X3ByaXYtPmdtYnVzW3Bpbl0uYWRh cHRlcjsKPiBAQCAtNjEzLDcgKzYxOSw3IEBAIHZvaWQgaW50ZWxfdGVhcmRvd25fZ21idXMoc3Ry dWN0IGRybV9kZXZpY2UgKmRldikKPiAgCXVuc2lnbmVkIGludCBwaW47Cj4gIAo+ICAJZm9yIChw aW4gPSAwOyBwaW4gPCBBUlJBWV9TSVpFKGRldl9wcml2LT5nbWJ1cyk7IHBpbisrKSB7Cj4gLQkJ aWYgKCFpbnRlbF9nbWJ1c19pc192YWxpZF9waW4ocGluKSkKPiArCQlpZiAoIWludGVsX2dtYnVz X2lzX3ZhbGlkX3BpbihkZXZfcHJpdiwgcGluKSkKPiAgCQkJY29udGludWU7Cj4gIAo+ICAJCWJ1 cyA9ICZkZXZfcHJpdi0+Z21idXNbcGluXTsKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfbHZkcy5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfbHZkcy5jCj4g aW5kZXggZDYxYWE3OGVkN2UzLi4zMTRhNWQ1NmFjZTIgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfbHZkcy5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfbHZkcy5jCj4gQEAgLTc4MSw3ICs3ODEsNyBAQCBzdGF0aWMgYm9vbCBsdmRzX2lzX3ByZXNl bnRfaW5fdmJ0KHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4gIAkJICAgIGNoaWxkLT5kZXZpY2Vf dHlwZSAhPSBERVZJQ0VfVFlQRV9MRlApCj4gIAkJCWNvbnRpbnVlOwo+ICAKPiAtCQlpZiAoaW50 ZWxfZ21idXNfaXNfdmFsaWRfcGluKGNoaWxkLT5pMmNfcGluKSkKPiArCQlpZiAoaW50ZWxfZ21i dXNfaXNfdmFsaWRfcGluKGRldl9wcml2LCBjaGlsZC0+aTJjX3BpbikpCj4gIAkJCSppMmNfcGlu ID0gY2hpbGQtPmkyY19waW47Cj4gIAo+ICAJCS8qIEhvd2V2ZXIsIHdlIGNhbm5vdCB0cnVzdCB0 aGUgQklPUyB3cml0ZXJzIHRvIHBvcHVsYXRlCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX3Nkdm8uYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Nkdm8uYwo+ IGluZGV4IDEyNDk5MmU0OGFiZC4uYjEyMTc5NmM4NmFhIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX3Nkdm8uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX3Nkdm8uYwo+IEBAIC0yMjkxLDcgKzIyOTEsOCBAQCBpbnRlbF9zZHZvX3NlbGVjdF9pMmNf YnVzKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKPiAgCWVsc2UKPiAgCQltYXBw aW5nID0gJmRldl9wcml2LT5zZHZvX21hcHBpbmdzWzFdOwo+ICAKPiAtCWlmIChtYXBwaW5nLT5p bml0aWFsaXplZCAmJiBpbnRlbF9nbWJ1c19pc192YWxpZF9waW4obWFwcGluZy0+aTJjX3Bpbikp Cj4gKwlpZiAobWFwcGluZy0+aW5pdGlhbGl6ZWQgJiYKPiArCSAgICBpbnRlbF9nbWJ1c19pc192 YWxpZF9waW4oZGV2X3ByaXYsIG1hcHBpbmctPmkyY19waW4pKQo+ICAJCXBpbiA9IG1hcHBpbmct PmkyY19waW47Cj4gIAllbHNlCj4gIAkJcGluID0gR01CVVNfUElOX0RQQjsKPiAtLSAKPiAyLjEu NAo+IAo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4g SW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK PiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4 CgotLSAKRGFuaWVsIFZldHRlcgpTb2Z0d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24K aHR0cDovL2Jsb2cuZmZ3bGwuY2gKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9p bnRlbC1nZngK