From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] drm/i915/fbdev: Restore physical addresses for fb_mmap() Date: Thu, 14 Nov 2019 14:08:14 +0200 Message-ID: <20191114120814.GX1208@intel.com> References: <20191113180633.3947-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id CBAB26E1EE for ; Thu, 14 Nov 2019 12:08:17 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20191113180633.3947-1-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 List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBOb3YgMTMsIDIwMTkgYXQgMDY6MDY6MzNQTSArMDAwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IGZiZGV2IHVzZXMgdGhlIHBoeXNpY2FsIGFkZHJlc3Mgb2Ygb3VyIGZyYW1lYnVmZmVy IGZvciBpdHMgZmJfbW1hcCgpCj4gcm91dGluZS4gV2hpbGUgd2UgbmVlZCB0byBhZGFwdCB0aGlz IGFkZHJlc3MgZm9yIHRoZSBuZXcgaW8gQkFSLCB3ZSBoYXZlCj4gdG8gZml4IHY1LjQgZmlyc3Qh IFRoZSBzaW1wbGVzdCBmaXggaXMgdG8gcmVzdG9yZSB0aGUgc21lbSBiYWNrIHRvIHY1LjQKPiBh bmQgd2Ugd2lsbCB0aGVuIHByb2JhYmx5IGhhdmUgdG8gaW1wbGVtZW50IG91ciBmYm9wcy0+ZmJf bW1hcCgpIGNhbGwKPiBiYWNrIHRvIGhhbmRsZSBsb2NhbCBtZW1vcnkuCj4gCj4gQnVnemlsbGE6 IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lkPTExMjI1Ngo+IEZp eGVzOiA1Zjg4OWI5YTYxZGQgKCJkcm0vaTkxNTogRGlzcmVnYXJkIGRybV9tb2RlX2NvbmZpZy5m Yl9iYXNlIikKPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNv bi5jby51az4KPiBDYzogRGFuaWVsIFZldHRlciA8ZGFuaWVsLnZldHRlckBmZndsbC5jaD4KPiBD YzogTWFhcnRlbiBMYW5raG9yc3QgPG1hYXJ0ZW4ubGFua2hvcnN0QGxpbnV4LmludGVsLmNvbT4K ClJldmlld2VkLWJ5OiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwu Y29tPgoKPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9mYmRldi5j IHwgOSArKysrKy0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDUgaW5zZXJ0aW9ucygrKSwgNCBkZWxl dGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9p bnRlbF9mYmRldi5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9mYmRldi5j Cj4gaW5kZXggM2QxMDYxNDcwZTc2Li40OGM5NjBjYTEyZmIgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVy cy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9mYmRldi5jCj4gKysrIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9mYmRldi5jCj4gQEAgLTIzNCw2ICsyMzQsMTEgQEAgc3Rh dGljIGludCBpbnRlbGZiX2NyZWF0ZShzdHJ1Y3QgZHJtX2ZiX2hlbHBlciAqaGVscGVyLAo+ICAJ aW5mby0+YXBlcnR1cmVzLT5yYW5nZXNbMF0uYmFzZSA9IGdndHQtPmdtYWRyLnN0YXJ0Owo+ICAJ aW5mby0+YXBlcnR1cmVzLT5yYW5nZXNbMF0uc2l6ZSA9IGdndHQtPm1hcHBhYmxlX2VuZDsKPiAg Cj4gKwkvKiBPdXIgZnJhbWVidWZmZXIgaXMgdGhlIGVudGlyZXR5IG9mIGZiZGV2J3Mgc3lzdGVt IG1lbW9yeSAqLwo+ICsJaW5mby0+Zml4LnNtZW1fc3RhcnQgPQo+ICsJCSh1bnNpZ25lZCBsb25n KShnZ3R0LT5nbWFkci5zdGFydCArIHZtYS0+bm9kZS5zdGFydCk7Cj4gKwlpbmZvLT5maXguc21l bV9sZW4gPSB2bWEtPm5vZGUuc2l6ZTsKPiArCj4gIAl2YWRkciA9IGk5MTVfdm1hX3Bpbl9pb21h cCh2bWEpOwo+ICAJaWYgKElTX0VSUih2YWRkcikpIHsKPiAgCQlEUk1fRVJST1IoIkZhaWxlZCB0 byByZW1hcCBmcmFtZWJ1ZmZlciBpbnRvIHZpcnR1YWwgbWVtb3J5XG4iKTsKPiBAQCAtMjQzLDEw ICsyNDgsNiBAQCBzdGF0aWMgaW50IGludGVsZmJfY3JlYXRlKHN0cnVjdCBkcm1fZmJfaGVscGVy ICpoZWxwZXIsCj4gIAlpbmZvLT5zY3JlZW5fYmFzZSA9IHZhZGRyOwo+ICAJaW5mby0+c2NyZWVu X3NpemUgPSB2bWEtPm5vZGUuc2l6ZTsKPiAgCj4gLQkvKiBPdXIgZnJhbWVidWZmZXIgaXMgdGhl IGVudGlyZXR5IG9mIGZiZGV2J3Mgc3lzdGVtIG1lbW9yeSAqLwo+IC0JaW5mby0+Zml4LnNtZW1f c3RhcnQgPSAodW5zaWduZWQgbG9uZylpbmZvLT5zY3JlZW5fYmFzZTsKPiAtCWluZm8tPmZpeC5z bWVtX2xlbiA9IGluZm8tPnNjcmVlbl9zaXplOwo+IC0KPiAgCWRybV9mYl9oZWxwZXJfZmlsbF9p bmZvKGluZm8sICZpZmJkZXYtPmhlbHBlciwgc2l6ZXMpOwo+ICAKPiAgCS8qIElmIHRoZSBvYmpl Y3QgaXMgc2htZW1mcyBiYWNrZWQsIGl0IHdpbGwgaGF2ZSBnaXZlbiB1cyB6ZXJvZWQgcGFnZXMu Cj4gLS0gCj4gMi4yNC4wCj4gCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KPiBJbnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gSW50ZWwtZ2Z4QGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwo+IGh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vaW50ZWwtZ2Z4CgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QK SW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeA== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6204C432C3 for ; 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charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Message-ID: <20191114120814.h5FknqrcKEM_Y1LX4skOFWK3PViTTEQg9H20I_nFovE@z> T24gV2VkLCBOb3YgMTMsIDIwMTkgYXQgMDY6MDY6MzNQTSArMDAwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IGZiZGV2IHVzZXMgdGhlIHBoeXNpY2FsIGFkZHJlc3Mgb2Ygb3VyIGZyYW1lYnVmZmVy IGZvciBpdHMgZmJfbW1hcCgpCj4gcm91dGluZS4gV2hpbGUgd2UgbmVlZCB0byBhZGFwdCB0aGlz IGFkZHJlc3MgZm9yIHRoZSBuZXcgaW8gQkFSLCB3ZSBoYXZlCj4gdG8gZml4IHY1LjQgZmlyc3Qh IFRoZSBzaW1wbGVzdCBmaXggaXMgdG8gcmVzdG9yZSB0aGUgc21lbSBiYWNrIHRvIHY1LjQKPiBh bmQgd2Ugd2lsbCB0aGVuIHByb2JhYmx5IGhhdmUgdG8gaW1wbGVtZW50IG91ciBmYm9wcy0+ZmJf bW1hcCgpIGNhbGwKPiBiYWNrIHRvIGhhbmRsZSBsb2NhbCBtZW1vcnkuCj4gCj4gQnVnemlsbGE6 IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lkPTExMjI1Ngo+IEZp eGVzOiA1Zjg4OWI5YTYxZGQgKCJkcm0vaTkxNTogRGlzcmVnYXJkIGRybV9tb2RlX2NvbmZpZy5m Yl9iYXNlIikKPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNv bi5jby51az4KPiBDYzogRGFuaWVsIFZldHRlciA8ZGFuaWVsLnZldHRlckBmZndsbC5jaD4KPiBD YzogTWFhcnRlbiBMYW5raG9yc3QgPG1hYXJ0ZW4ubGFua2hvcnN0QGxpbnV4LmludGVsLmNvbT4K ClJldmlld2VkLWJ5OiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwu Y29tPgoKPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9mYmRldi5j IHwgOSArKysrKy0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDUgaW5zZXJ0aW9ucygrKSwgNCBkZWxl dGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9p bnRlbF9mYmRldi5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9mYmRldi5j Cj4gaW5kZXggM2QxMDYxNDcwZTc2Li40OGM5NjBjYTEyZmIgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVy cy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9mYmRldi5jCj4gKysrIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9mYmRldi5jCj4gQEAgLTIzNCw2ICsyMzQsMTEgQEAgc3Rh dGljIGludCBpbnRlbGZiX2NyZWF0ZShzdHJ1Y3QgZHJtX2ZiX2hlbHBlciAqaGVscGVyLAo+ICAJ aW5mby0+YXBlcnR1cmVzLT5yYW5nZXNbMF0uYmFzZSA9IGdndHQtPmdtYWRyLnN0YXJ0Owo+ICAJ aW5mby0+YXBlcnR1cmVzLT5yYW5nZXNbMF0uc2l6ZSA9IGdndHQtPm1hcHBhYmxlX2VuZDsKPiAg Cj4gKwkvKiBPdXIgZnJhbWVidWZmZXIgaXMgdGhlIGVudGlyZXR5IG9mIGZiZGV2J3Mgc3lzdGVt IG1lbW9yeSAqLwo+ICsJaW5mby0+Zml4LnNtZW1fc3RhcnQgPQo+ICsJCSh1bnNpZ25lZCBsb25n KShnZ3R0LT5nbWFkci5zdGFydCArIHZtYS0+bm9kZS5zdGFydCk7Cj4gKwlpbmZvLT5maXguc21l bV9sZW4gPSB2bWEtPm5vZGUuc2l6ZTsKPiArCj4gIAl2YWRkciA9IGk5MTVfdm1hX3Bpbl9pb21h cCh2bWEpOwo+ICAJaWYgKElTX0VSUih2YWRkcikpIHsKPiAgCQlEUk1fRVJST1IoIkZhaWxlZCB0 byByZW1hcCBmcmFtZWJ1ZmZlciBpbnRvIHZpcnR1YWwgbWVtb3J5XG4iKTsKPiBAQCAtMjQzLDEw ICsyNDgsNiBAQCBzdGF0aWMgaW50IGludGVsZmJfY3JlYXRlKHN0cnVjdCBkcm1fZmJfaGVscGVy ICpoZWxwZXIsCj4gIAlpbmZvLT5zY3JlZW5fYmFzZSA9IHZhZGRyOwo+ICAJaW5mby0+c2NyZWVu X3NpemUgPSB2bWEtPm5vZGUuc2l6ZTsKPiAgCj4gLQkvKiBPdXIgZnJhbWVidWZmZXIgaXMgdGhl IGVudGlyZXR5IG9mIGZiZGV2J3Mgc3lzdGVtIG1lbW9yeSAqLwo+IC0JaW5mby0+Zml4LnNtZW1f c3RhcnQgPSAodW5zaWduZWQgbG9uZylpbmZvLT5zY3JlZW5fYmFzZTsKPiAtCWluZm8tPmZpeC5z bWVtX2xlbiA9IGluZm8tPnNjcmVlbl9zaXplOwo+IC0KPiAgCWRybV9mYl9oZWxwZXJfZmlsbF9p bmZvKGluZm8sICZpZmJkZXYtPmhlbHBlciwgc2l6ZXMpOwo+ICAKPiAgCS8qIElmIHRoZSBvYmpl Y3QgaXMgc2htZW1mcyBiYWNrZWQsIGl0IHdpbGwgaGF2ZSBnaXZlbiB1cyB6ZXJvZWQgcGFnZXMu Cj4gLS0gCj4gMi4yNC4wCj4gCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KPiBJbnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gSW50ZWwtZ2Z4QGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwo+IGh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vaW50ZWwtZ2Z4CgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QK SW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeA==