From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm: Reject unknown legacy bpp and depth for drm_mode_addfb ioctl Date: Wed, 5 Sep 2018 16:28:11 +0200 Message-ID: <20180905142811.GE4929@phenom.ffwll.local> References: <20180904205319.11174-1-chris@chris-wilson.co.uk> <20180905102205.5472-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20180905102205.5472-1-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson Cc: Daniel Vetter , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCBTZXAgMDUsIDIwMTggYXQgMTE6MjI6MDVBTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IFNpbmNlIHRoaXMgaXMgaGFuZGxpbmcgdXNlciBwcm92aWRlZCBicHAgYW5kIGRlcHRo LCB3ZSBuZWVkIHRvIHNhbml0eQo+IGNoZWNrIGFuZCBwcm9wYWdhdGUgdGhlIEVJTlZBTCBiYWNr IHJhdGhlciB0aGFuIGFzc3VtZSB3aGF0IHRoZSBpbnNhbmUKPiBjbGllbnQgaW50ZW5kZWQgYW5k IGZpbGwgdGhlIGxvZ3Mgd2l0aCBEUk1fRVJST1IuCj4gCj4gdjI6IENoZWNrIGJvdGggYnBwIGFu ZCBkZXB0aCBtYXRjaCB0aGUgYnVpbHRpbiBwaXhlbCBmb3JtYXQsIGFuZAo+IGludHJvZHVjZSBh IGNhbm9uaWNhbCBEUk1fRk9STUFUX0lOVkFMSUQgdG8gcmVzZXJ2ZSAwIGFnYWluc3QgYW55IGZ1 dHVyZQo+IGZvdXJjYy4KPiAKPiBUZXN0Y2FzZTogaWd0L2ttc19hZGRmYl9iYXNpYy9sZWdhY3kt Zm9ybWF0Cj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24u Y28udWs+Cj4gQ2M6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+Cj4gQ2M6 IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+CgpJIGNoZWNr ZWQgYSBidW5jaCBvZiByYW5kb21seSBzZWxlY3RlZCB1c2Vyc3BhY2UgcGllY2VzLCBhbmQgaWYg dGhlcmUncwpoYWlyeSBzdHVmZiBnb2luZyBvbiB0aGVuIGl0J3MgbWlzLXNlbGVjdGVkIGJwcC4K PiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2RybV9mb3VyY2MuYyAgICAgIHwgMzMgKysrKysrKysr KysrKysrKysrKysrLS0tLS0tLS0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vZHJtX2ZyYW1lYnVmZmVy LmMgfCAgNyArKysrKystCj4gIGluY2x1ZGUvdWFwaS9kcm0vZHJtX2ZvdXJjYy5oICAgICB8ICAz ICsrKwo+ICAzIGZpbGVzIGNoYW5nZWQsIDMyIGluc2VydGlvbnMoKyksIDExIGRlbGV0aW9ucygt KQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2ZvdXJjYy5jIGIvZHJpdmVy cy9ncHUvZHJtL2RybV9mb3VyY2MuYwo+IGluZGV4IDM1YzFlMjc0MmMyNy4uZDlkYWRiYzQzMzI3 IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fZm91cmNjLmMKPiArKysgYi9kcml2 ZXJzL2dwdS9kcm0vZHJtX2ZvdXJjYy5jCj4gQEAgLTQ1LDMyICs0NSw0NSBAQCBzdGF0aWMgY2hh ciBwcmludGFibGVfY2hhcihpbnQgYykKPiAgICovCj4gIHVpbnQzMl90IGRybV9tb2RlX2xlZ2Fj eV9mYl9mb3JtYXQodWludDMyX3QgYnBwLCB1aW50MzJfdCBkZXB0aCkKPiAgewo+IC0JdWludDMy X3QgZm10Owo+ICsJdWludDMyX3QgZm10ID0gRFJNX0ZPUk1BVF9JTlZBTElEOwo+ICAKPiAgCXN3 aXRjaCAoYnBwKSB7Cj4gIAljYXNlIDg6Cj4gLQkJZm10ID0gRFJNX0ZPUk1BVF9DODsKPiArCQlp ZiAoZGVwdGggPT0gMCkKPiArCQkJZm10ID0gRFJNX0ZPUk1BVF9DODsKCk1pY2hlbCBEw6RuemVy IHRoaW5rcyB0aGlzIHNob3VsZCBiZSBkZXB0aCA9PSA4IGhlcmUuIEkgZ3JlcHBlZCBhcm91bmQg aW4KLW1vZGVzZXR0aW5nLCBzZWVtcyBvdXRyaWdodCBub3Qgc3VwcG9ydGVkLiBBcHBhcmVudGx5 IGFtZCBkcml2ZXJzIGRvCnN1cHBvcnQgaXQsIGFuZCBzZXQgOC84LiBXaXRoIHRoYXQgYWRkcmVz c2VkOgoKUmV2aWV3ZWQtYnk6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+ CgoKPiAgCQlicmVhazsKPiAgCWNhc2UgMTY6Cj4gLQkJaWYgKGRlcHRoID09IDE1KQo+ICsJCXN3 aXRjaCAoZGVwdGgpIHsKPiArCQljYXNlIDE1Ogo+ICAJCQlmbXQgPSBEUk1fRk9STUFUX1hSR0Ix NTU1Owo+IC0JCWVsc2UKPiArCQkJYnJlYWs7Cj4gKwkJY2FzZSAxNjoKPiAgCQkJZm10ID0gRFJN X0ZPUk1BVF9SR0I1NjU7Cj4gKwkJCWJyZWFrOwo+ICsJCWRlZmF1bHQ6Cj4gKwkJCWJyZWFrOwo+ ICsJCX0KPiAgCQlicmVhazsKPiAgCWNhc2UgMjQ6Cj4gLQkJZm10ID0gRFJNX0ZPUk1BVF9SR0I4 ODg7Cj4gKwkJaWYgKGRlcHRoID09IDI0KQo+ICsJCQlmbXQgPSBEUk1fRk9STUFUX1JHQjg4ODsK PiAgCQlicmVhazsKPiAgCWNhc2UgMzI6Cj4gLQkJaWYgKGRlcHRoID09IDI0KQo+ICsJCXN3aXRj aCAoZGVwdGgpIHsKPiArCQljYXNlIDI0Ogo+ICAJCQlmbXQgPSBEUk1fRk9STUFUX1hSR0I4ODg4 Owo+IC0JCWVsc2UgaWYgKGRlcHRoID09IDMwKQo+ICsJCQlicmVhazsKPiArCQljYXNlIDMwOgo+ ICAJCQlmbXQgPSBEUk1fRk9STUFUX1hSR0IyMTAxMDEwOwo+IC0JCWVsc2UKPiArCQkJYnJlYWs7 Cj4gKwkJY2FzZSAzMjoKPiAgCQkJZm10ID0gRFJNX0ZPUk1BVF9BUkdCODg4ODsKPiArCQkJYnJl YWs7Cj4gKwkJZGVmYXVsdDoKPiArCQkJYnJlYWs7Cj4gKwkJfQo+ICAJCWJyZWFrOwo+ICAJZGVm YXVsdDoKPiAtCQlEUk1fRVJST1IoImJhZCBicHAsIGFzc3VtaW5nIHg4cjhnOGI4IHBpeGVsIGZv cm1hdFxuIik7Cj4gLQkJZm10ID0gRFJNX0ZPUk1BVF9YUkdCODg4ODsKPiAgCQlicmVhazsKPiAg CX0KPiAgCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fZnJhbWVidWZmZXIuYyBi L2RyaXZlcnMvZ3B1L2RybS9kcm1fZnJhbWVidWZmZXIuYwo+IGluZGV4IDc4MWFmMWQ0MmQ3Ni4u NjM2ZjYyNmM1ODI4IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fZnJhbWVidWZm ZXIuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fZnJhbWVidWZmZXIuYwo+IEBAIC0xMTIs MTIgKzExMiwxNyBAQCBpbnQgZHJtX21vZGVfYWRkZmIoc3RydWN0IGRybV9kZXZpY2UgKmRldiwg c3RydWN0IGRybV9tb2RlX2ZiX2NtZCAqb3IsCj4gIAlzdHJ1Y3QgZHJtX21vZGVfZmJfY21kMiBy ID0ge307Cj4gIAlpbnQgcmV0Owo+ICAKPiArCXIucGl4ZWxfZm9ybWF0ID0gZHJtX21vZGVfbGVn YWN5X2ZiX2Zvcm1hdChvci0+YnBwLCBvci0+ZGVwdGgpOwo+ICsJaWYgKHIucGl4ZWxfZm9ybWF0 ID09IERSTV9GT1JNQVRfSU5WQUxJRCkgewo+ICsJCURSTV9ERUJVRygiYmFkIChicHA6JWQsIGRl cHRoOiVkKVxuIiwgb3ItPmJwcCwgb3ItPmRlcHRoKTsKPiArCQlyZXR1cm4gLUVJTlZBTDsKPiAr CX0KPiArCj4gIAkvKiBjb252ZXJ0IHRvIG5ldyBmb3JtYXQgYW5kIGNhbGwgbmV3IGlvY3RsICov Cj4gIAlyLmZiX2lkID0gb3ItPmZiX2lkOwo+ICAJci53aWR0aCA9IG9yLT53aWR0aDsKPiAgCXIu aGVpZ2h0ID0gb3ItPmhlaWdodDsKPiAgCXIucGl0Y2hlc1swXSA9IG9yLT5waXRjaDsKPiAtCXIu cGl4ZWxfZm9ybWF0ID0gZHJtX21vZGVfbGVnYWN5X2ZiX2Zvcm1hdChvci0+YnBwLCBvci0+ZGVw dGgpOwo+ICAJci5oYW5kbGVzWzBdID0gb3ItPmhhbmRsZTsKPiAgCj4gIAlpZiAoci5waXhlbF9m b3JtYXQgPT0gRFJNX0ZPUk1BVF9YUkdCMjEwMTAxMCAmJgo+IGRpZmYgLS1naXQgYS9pbmNsdWRl L3VhcGkvZHJtL2RybV9mb3VyY2MuaCBiL2luY2x1ZGUvdWFwaS9kcm0vZHJtX2ZvdXJjYy5oCj4g aW5kZXggMmVkNDZlOWFlMTZhLi4xMzk2MzJiODcxODEgMTAwNjQ0Cj4gLS0tIGEvaW5jbHVkZS91 YXBpL2RybS9kcm1fZm91cmNjLmgKPiArKysgYi9pbmNsdWRlL3VhcGkvZHJtL2RybV9mb3VyY2Mu aAo+IEBAIC03MSw2ICs3MSw5IEBAIGV4dGVybiAiQyIgewo+ICAKPiAgI2RlZmluZSBEUk1fRk9S TUFUX0JJR19FTkRJQU4gKDE8PDMxKSAvKiBmb3JtYXQgaXMgYmlnIGVuZGlhbiBpbnN0ZWFkIG9m IGxpdHRsZSBlbmRpYW4gKi8KPiAgCj4gKy8qIFJlc2VydmUgMCBmb3IgdGhlIGludmFsaWQgZm9y bWF0IHNwZWNpZmllciAqLwo+ICsjZGVmaW5lIERSTV9GT1JNQVRfSU5WQUxJRAkwCj4gKwo+ICAv KiBjb2xvciBpbmRleCAqLwo+ICAjZGVmaW5lIERSTV9GT1JNQVRfQzgJCWZvdXJjY19jb2RlKCdD JywgJzgnLCAnICcsICcgJykgLyogWzc6MF0gQyAqLwo+ICAKPiAtLSAKPiAyLjE5LjAucmMxCj4g CgotLSAKRGFuaWVsIFZldHRlcgpTb2Z0d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24K aHR0cDovL2Jsb2cuZmZ3bGwuY2gKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4Cg==