From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= Subject: [RFC v4 00/25] drm: Add generic fbdev emulation Date: Thu, 12 Apr 2018 15:17:02 +0200 Message-ID: <20180412131727.8914-1-noralf@tronnes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: dri-devel@lists.freedesktop.org Cc: daniel.vetter@ffwll.ch, intel-gfx@lists.freedesktop.org, =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= , laurent.pinchart@ideasonboard.com, mstaudt@suse.de, dh.herrmann@gmail.com List-Id: dri-devel@lists.freedesktop.org VGhpcyBwYXRjaHNldCBleHBsb3JlcyB0aGUgcG9zc2liaWxpdHkgb2YgaGF2aW5nIGdlbmVyaWMg ZmJkZXYgZW11bGF0aW9uCmluIERSTSBmb3IgZHJpdmVycyB0aGF0IHN1cHBvcnRzIGR1bWIgYnVm ZmVycyB3aGljaCB0aGV5IGNhbiBleHBvcnQuIEFuCkFQSSBpcyBhZGRlZCB0byBzdXBwb3J0IGlu LWtlcm5lbCBjbGllbnRzIGluIGdlbmVyYWwuCgpJbiB0aGlzIHZlcnNpb24gSSB3YXMgYWJsZSB0 byByZXVzZSB0aGUgbW9kZXNldHRpbmcgY29kZSBmcm9tCmRybV9mYl9oZWxwZXIgaW4gdGhlIGNs aWVudCBBUEkuIFRoaXMgYXZvaWRzIGNvZGUgZHVwbGljYXRpb24sIGNhcnJpZXMKb3ZlciBsZXNz b25zIGxlYXJuZWQgYW5kIHRoZSBtb2Rlc2V0dGluZyBjb2RlIGlzIGJpc2VjdGFibGUuIFRoZQpk b3duc2lkZSBpcyB0aGF0IGl0IHRha2VzICsxMCBwYXRjaGVzIHRvIHJpcCBkcm1fZmJfaGVscGVy IGluIHR3bywgc28KbWF5YmUgaXQncyBub3Qgd29ydGggaXQgd3J0IHBvc3NpYmxlIGJyZWFrYWdl IGFuZCBhIGNoYWxsZW5naW5nIHJldmlldy4KCkRvZXMgdGhlIEludGVsIENJIHRlc3QgdGhlIGZi ZGV2IGVtdWxhdGlvbj8KCkRhbmllbCBoYWQgdGhpcyBjb25jZXJuIHdpdGggdGhlIHByZXZpb3Vz IHZlcnNpb246CgogICAgVGhlIHJlZ2lzdGVyL3VucmVnaXN0ZXIgbW9kZWwgbmVlZHMgbW9yZSB0 aG91Z2h0LiBBbGxvd2luZyBib3RoIGNsaWVudHMKICAgIHRvIHJlZ2lzdGVyIHdoZW5ldmVyIHRo ZXkgd2FudCB0bywgYW5kIGRybV9kZXZpY2UgaW5zdGFuY2VzIHRvIGNvbWUgYW5kCiAgICBnbyBp cyB3aGF0IGZiY29uIGhhcyBkb25lLCBhbmQgdGhlIHJlc3VsdGluZyBsb2NraW5nIGlzIGEgaG9y cm9yIHNob3cuCgogICAgSSB0aGluayBpZiB3ZSByZXF1aXJlIHRoYXQgYWxsIGluLWtlcm5lbCBk cm1fY2xpZW50cyBhcmUgcmVnaXN0ZXJzIHdoZW4KICAgIGxvYWRpbmcgZHJtLmtvIChhbmQgZW5h YmxlZC9kaXNhYmxlZCBvbmx5IHBlciBtb2R1bGUgb3B0aW9ucyBhbmQKICAgIEtjb25maWcpLCB0 aGVuIHdlIGNhbiB0aHJvdyBvdXQgYWxsIHRoZSBsb2NraW5nLiBUaGF0IGF2b2lkcyBhIGxvdCBv ZgogICAgdGhlIGhlYWRhY2hlcy4KCkkgaGF2ZSBzb2x2ZWQgdGhpcyBieSBhZGRpbmcgYSBub3Rp ZmllciB0aGF0IGZpcmVzIHdoZW4gYSBuZXcgRFJNIGRldmljZQppcyByZWdpc3RlcmVkIChJJ3Zl IHJlbW92ZWQgdGhlIG5ldygpIGNhbGxiYWNrKS4gQ3VycmVudGx5IG9ubHkKYm9vdHNwbGFzaCB1 c2VzIHRoaXMuIFRoZSBmYmRldiBjbGllbnQgbmVlZHMgdG8gYmUgc2V0dXAgZnJvbSB0aGUgZHJp dmVyCnNpbmNlIGl0IGNhbid0IGtub3cgb24gZGV2aWNlIHJlZ2lzdHJhdGlvbiBpZiB0aGUgZHJp dmVyIHdpbGwgc2V0dXAgaXQncwpvd24gZmJkZXYgZW11bGF0aW9uIGxhdGVyIGFuZCB0aGUgdnRj b24gY2xpZW50IGhvb2tzIHVwIHRvIGEgdXNlcgpwcm92aWRlZCBkZXZpY2UgaWQuCgpTaW5jZSBm YmNvbiBjYW4ndCBoYW5kbGUgZmJfb3BlbiBmYWlsaW5nLCB0aGUgYnVmZmVyIGhhcyB0byBiZQpw cmUtYWxsb2NhdGVkLiBFeHBvcnRpbmcgYSBHRU0gYnVmZmVyIHBpbnMgdGhlIGRyaXZlciBtb2R1 bGUgbWFraW5nIGl0CmltcG9zc2libGUgdG8gdW5sb2FkIGl0LgpJIGhhdmUgaW5jbHVkZWQgMiBz b2x1dGlvbnMgdG8gdGhlIHByb2JsZW06Ci0gc3lzZnMgZmlsZSB0byByZW1vdmUvY2xvc2UgY2xp ZW50czogcmVtb3ZlX2ludGVybmFsX2NsaWVudHMKLSBDaGFuZ2UgZHJtX2dlbV9wcmltZV9leHBv cnQoKSBzbyBpdCBkb2Vzbid0IHBpbiBvbiBjbGllbnQgYnVmZmVycwoKSWYgYSBkdW1iIGJ1ZmZl ciBpcyBleHBvcnRlZCBmcm9tIGEga2VybmVsIHRocmVhZCAod29ya2VyKSBjb250ZXh0LCB0aGUK ZmlsZSBkZXNjcmlwdG9yIGlzbid0IGNsb3NlZCBhbmQgSSBsZWFrIGEgcmVmZXJlbmNlIHNvIHRo ZSBidWZmZXIgaXNuJ3QKZnJlZWQuIFBsZWFzZSBsb29rIGF0IGRybV9jbGllbnRfYnVmZmVyX2Ny ZWF0ZSgpIGluIHBhdGNoCidkcm0vY2xpZW50OiBGaW5pc2ggdGhlIGluLWtlcm5lbCBjbGllbnQg QVBJJy4KVGhpcyBpcyBhIGJsb2NrZXIgdGhhdCBuZWVkcyBhIHNvbHV0aW9uLgoKCk5vcmFsZi4K CkNoYW5nZXMgc2luY2UgdmVyc2lvbiAzOgpDbGllbnQgQVBJIGNoYW5nZXM6Ci0gRHJvcCBkcm1f Y2xpZW50X3JlZ2lzdGVyX2Z1bmNzKCkgd2hpY2ggYXR0YWNoZWQgY2xpZW50cyBpbmRpcmVjdGx5 LgogIExldCBjbGllbnRzIGF0dGFjaCBkaXJlY3RseSB1c2luZyBkcm1fY2xpZW50X25ld3tfZnJv bV9pZH0oKS4gQ2xpZW50cwogIHRoYXQgd2FudHMgdG8gYXR0YWNoIHRvIGFsbCBkZXZpY2VzIG11 c3QgYmUgbGlua2VkIGludG8gZHJtLmtvIGFuZCB1c2UKICB0aGUgRFJNIGRldmljZSBub3RpZmll ci4gVGhpcyBpcyBkb25lIHRvIGF2b2lkIHRoZSBsb2NrL3JhY2UKICByZWdpc3Rlci91bnJlZ2lz dGVyIGhlbGwgd2UgaGF2ZSB3aXRoIGZiY29uLiAoRGFuaWVsIFZldHRlcikKLSBkcm1fY2xpZW50 X2Rpc3BsYXlfcmVzdG9yZSgpIGNoZWNrcyBpZiB0aGVyZSBpcyBhIG1hc3RlciBhbmQgaWYgc28K ICByZXR1cm5zIC1FQlVTWS4gKERhbmllbCBWZXR0ZXIpCi0gQWxsb2NhdGUgZHJtX2ZpbGUgdXAg ZnJvbnQgaW5zdGVhZCBvZiBvbi1kZW1hbmQuIFNpbmNlIGZiZGV2IGNhbid0IGRvCiAgb24gZGVt YW5kIGJ1ZmZlciBhbGxvY2F0aW9uIGJlY2F1c2Ugb2YgZmJjb24sIHRoZXJlJ3Mgbm8gbmVlZCBm b3IgdGhpcy4KLSBBZGQgc3lzZnMgZmlsZSB0byByZW1vdmUgY2xpZW50cwotIERvbid0IHBpbiBk cml2ZXIgbW9kdWxlIHdoZW4gZXhwb3J0aW5nIGdlbSBjbGllbnQgYnVmZmVycwotIERyb3BwZWQg cGFnZSBmbGlwIHN1cHBvcnQgc2luY2UgZHJtX2ZiX2hlbHBlciBpcyBub3cgdXNlZCBmb3IgZmJk ZXYKICBlbXVsYXRpb24uCgotIFRoZSBib290c3BsYXNoIGNsaWVudCBub3cgc3dpdGNoZXMgb3Zl ciB0byBmYmRldiBvbiBrZXlwcmVzcy4KCkNoYW5nZXMgc2luY2UgdmVyc2lvbiAyOgotIERvbid0 IHNldCBkcm0gbWFzdGVyIGZvciBpbi1rZXJuZWwgY2xpZW50cy4gKERhbmllbCBWZXR0ZXIpCi0g QWRkIGluLWtlcm5lbCBjbGllbnQgQVBJCgpDaGFuZ2VzIHNpbmNlIHZlcnNpb24gMToKLSBEb24n dCBhZGQgZHJtX2ZiX2hlbHBlcl9mYl9vcGVuKCkgYW5kIGRybV9mYl9oZWxwZXJfZmJfcmVsZWFz ZSgpIHRvCiAgRFJNX0ZCX0hFTFBFUl9ERUZBVUxUX09QUygpLiAoRmkuQ0kuU1RBVElDKQogIFRo ZSBmb2xsb3dpbmcgdXNlcyB0aGF0IG1hY3JvIGFuZCBzZXRzIGZiX29wZW4vY2xvc2U6IHVkbGZi X29wcywKICBhbWRncHVmYl9vcHMsIGRybV9mYl9oZWxwZXJfZ2VuZXJpY19mYmRldl9vcHMsIG5v dXZlYXVfZmJjb25fb3BzLAogIG5vdXZlYXVfZmJjb25fc3dfb3BzLCByYWRlb25mYl9vcHMuCiAg VGhpcyByZXN1bHRzIGluOiB3YXJuaW5nOiBJbml0aWFsaXplciBlbnRyeSBkZWZpbmVkIHR3aWNl Ci0gU3VwcG9ydCBDT05GSUdfRFJNX0tNU19IRUxQRVI9bSAoa2J1aWxkIHRlc3Qgcm9ib3QpCiAg RVJST1I6IDxmdW5jdGlvbj4gW2RyaXZlcnMvZ3B1L2RybS9kcm1fa21zX2hlbHBlci5rb10gdW5k ZWZpbmVkIQotIERyb3AgYnVnZ3kgcGF0Y2g6IChDaHJpcyBXaWxzb24pCiAgZHJtL3ByaW1lOiBD bGVhciBkcm1fZ2VtX29iamVjdC0+ZG1hX2J1ZiBvbiByZWxlYXNlCi0gRGVmZXIgYnVmZmVyIGNy ZWF0aW9uIHVudGlsIGZiX29wZW4uCgoKRGF2aWQgSGVycm1hbm4gKDEpOgogIGRybTogcHJvdmlk ZSBtYW5hZ2VtZW50IGZ1bmN0aW9ucyBmb3IgZHJtX2ZpbGUKCk5vcmFsZiBUcsO4bm5lcyAoMjQp OgogIGRybS9maWxlOiBEb24ndCBzZXQgbWFzdGVyIG9uIGluLWtlcm5lbCBjbGllbnRzCiAgZHJt L2ZiLWhlbHBlcjogTm8gbmVlZCB0byBjYWNoZSByb3RhdGlvbiBhbmQgc3dfcm90YXRpb25zCiAg ZHJtL2ZiLWhlbHBlcjogUmVtb3ZlIGRybV9mYl9oZWxwZXJfZGVidWdfZW50ZXIvbGVhdmUoKQog IGRybS9mYi1oZWxwZXI6IGRwbXNfbGVnYWN5KCk6IE9ubHkgc2V0IG9uIGNvbm5lY3RvcnMgaW4g dXNlCiAgZHJtL2F0b21pYzogTW92ZSBfX2RybV9hdG9taWNfaGVscGVyX2Rpc2FibGVfcGxhbmUv c2V0X2NvbmZpZygpCiAgZHJtOiBCZWdpbiBhbiBBUEkgZm9yIGluLWtlcm5lbCBjbGllbnRzCiAg ZHJtL2ZiLWhlbHBlcjogVXNlIHN0cnVjdCBkcm1fY2xpZW50X2Rpc3BsYXkKICBkcm0vZmItaGVs cGVyOiBNb3ZlIG1vZGVzZXQgY29tbWl0IGNvZGUgdG8gZHJtX2NsaWVudAogIGRybS9jb25uZWN0 b3I6IEFkZAogICAgZHJtX2Nvbm5lY3Rvcl9oYXNfcHJlZmVycmVkX21vZGUvcGlja19jbWRsaW5l X21vZGUoKQogIGRybS9jb25uZWN0b3I6IEFkZCBjb25uZWN0b3IgYXJyYXkgZnVuY3Rpb25zCiAg ZHJtL2k5MTU6IEFkZCBkcm1fZHJpdmVyLT5pbml0aWFsX2NsaWVudF9kaXNwbGF5IGNhbGxiYWNr CiAgZHJtL2ZiLWhlbHBlcjogUmVtb3ZlIHN0cnVjdCBkcm1fZmJfaGVscGVyX2NydGMKICBkcm0v ZmItaGVscGVyOiBSZW1vdmUgc3RydWN0IGRybV9mYl9oZWxwZXJfY29ubmVjdG9yCiAgZHJtL2Zi LWhlbHBlcjogTW92ZSBtb2Rlc2V0IGNvbmZpZyBjb2RlIHRvIGRybV9jbGllbnQKICBkcm06IE1h a2UgaW9jdGxzIGF2YWlsYWJsZSBmb3IgaW4ta2VybmVsIGNsaWVudHMKICBkcm0vY2xpZW50OiBC YWlsIG91dCBpZiB0aGVyZSdzIGEgRFJNIG1hc3RlcgogIGRybS9jbGllbnQ6IE1ha2UgdGhlIGRp c3BsYXkgbW9kZXMgYXZhaWxhYmxlIHRvIGNsaWVudHMKICBkcm0vY2xpZW50OiBGaW5pc2ggdGhl IGluLWtlcm5lbCBjbGllbnQgQVBJCiAgZHJtL3ByaW1lOiBEb24ndCBwaW4gbW9kdWxlIG9uIGV4 cG9ydCBmb3IgaW4ta2VybmVsIGNsaWVudHMKICBkcm0vZmItaGVscGVyOiBBZGQgZHJtX2ZiX2hl bHBlcl9mYl9vcGVuL3JlbGVhc2UoKQogIGRybS9mYi1oZWxwZXI6IEFkZCBnZW5lcmljIGZiZGV2 IGVtdWxhdGlvbgogIGRybTogQWRkIERSTSBkZXZpY2UgcmVnaXN0ZXJlZCBub3RpZmllcgogIGRy bS9jbGllbnQ6IEhhY2s6IEFkZCBib290c3BsYXNoCiAgZHJtL2NsaWVudDogSGFjazogQWRkIERS TSBWVCBjb25zb2xlIGNsaWVudAoKIGRyaXZlcnMvZ3B1L2RybS9LY29uZmlnICAgICAgICAgICAg ICAgICB8ICAgIDIgKwogZHJpdmVycy9ncHUvZHJtL01ha2VmaWxlICAgICAgICAgICAgICAgIHwg ICAgNCArLQogZHJpdmVycy9ncHUvZHJtL2NsaWVudC9LY29uZmlnICAgICAgICAgIHwgICAxNCAr CiBkcml2ZXJzL2dwdS9kcm0vY2xpZW50L01ha2VmaWxlICAgICAgICAgfCAgICAzICsKIGRyaXZl cnMvZ3B1L2RybS9jbGllbnQvZHJtX2Jvb3RzcGxhc2guYyB8ICAyNDggKysrKysrCiBkcml2ZXJz L2dwdS9kcm0vY2xpZW50L2RybV92dGNvbi5jICAgICAgfCAgNzg1ICsrKysrKysrKysrKysrKysr CiBkcml2ZXJzL2dwdS9kcm0vY2xpZW50L2ludGVybmFsLmggICAgICAgfCAgIDE5ICsKIGRyaXZl cnMvZ3B1L2RybS9kcm1fYXRvbWljLmMgICAgICAgICAgICB8ICAxNjggKysrKwogZHJpdmVycy9n cHUvZHJtL2RybV9hdG9taWNfaGVscGVyLmMgICAgIHwgIDE2OCArLS0tCiBkcml2ZXJzL2dwdS9k cm0vZHJtX2F1dGguYyAgICAgICAgICAgICAgfCAgIDMzICsKIGRyaXZlcnMvZ3B1L2RybS9kcm1f Y2xpZW50LmMgICAgICAgICAgICB8IDE0NDggKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr KwogZHJpdmVycy9ncHUvZHJtL2RybV9jb25uZWN0b3IuYyAgICAgICAgIHwgIDE5OSArKysrKwog ZHJpdmVycy9ncHUvZHJtL2RybV9jcnRjX2ludGVybmFsLmggICAgIHwgICAxOCArLQogZHJpdmVy cy9ncHUvZHJtL2RybV9kZWJ1Z2ZzLmMgICAgICAgICAgIHwgICAgNyArCiBkcml2ZXJzL2dwdS9k cm0vZHJtX2Rydi5jICAgICAgICAgICAgICAgfCAgIDQzICsKIGRyaXZlcnMvZ3B1L2RybS9kcm1f ZHVtYl9idWZmZXJzLmMgICAgICB8ICAgMzMgKy0KIGRyaXZlcnMvZ3B1L2RybS9kcm1fZmJfaGVs cGVyLmMgICAgICAgICB8IDE0MjAgKysrKysrKystLS0tLS0tLS0tLS0tLS0tLS0tLS0tCiBkcml2 ZXJzL2dwdS9kcm0vZHJtX2ZpbGUuYyAgICAgICAgICAgICAgfCAgMzA0ICsrKystLS0KIGRyaXZl cnMvZ3B1L2RybS9kcm1fZnJhbWVidWZmZXIuYyAgICAgICB8ICAgNTAgKy0KIGRyaXZlcnMvZ3B1 L2RybS9kcm1faW50ZXJuYWwuaCAgICAgICAgICB8ICAgIDcgKwogZHJpdmVycy9ncHUvZHJtL2Ry bV9pb2MzMi5jICAgICAgICAgICAgIHwgICAgMiArLQogZHJpdmVycy9ncHUvZHJtL2RybV9pb2N0 bC5jICAgICAgICAgICAgIHwgICAgNCArLQogZHJpdmVycy9ncHUvZHJtL2RybV9wcmltZS5jICAg ICAgICAgICAgIHwgICAzNyArLQogZHJpdmVycy9ncHUvZHJtL2RybV9wcm9iZV9oZWxwZXIuYyAg ICAgIHwgICAgMyArCiBkcml2ZXJzL2dwdS9kcm0vZHJtX3N5c2ZzLmMgICAgICAgICAgICAgfCAg IDIwICsKIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmMgICAgICAgICB8ICAgIDEgKwog ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmggICAgICAgIHwgICAxMSArCiBkcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9mYmRldi5jICAgICAgfCAgMTEyICstLQogaW5jbHVkZS9kcm0v ZHJtX2F0b21pYy5oICAgICAgICAgICAgICAgIHwgICAgNSArCiBpbmNsdWRlL2RybS9kcm1fYXRv bWljX2hlbHBlci5oICAgICAgICAgfCAgICA0IC0KIGluY2x1ZGUvZHJtL2RybV9jbGllbnQuaCAg ICAgICAgICAgICAgICB8ICAxODIgKysrKwogaW5jbHVkZS9kcm0vZHJtX2Nvbm5lY3Rvci5oICAg ICAgICAgICAgIHwgICAxMSArCiBpbmNsdWRlL2RybS9kcm1fZGV2aWNlLmggICAgICAgICAgICAg ICAgfCAgICA0ICsKIGluY2x1ZGUvZHJtL2RybV9kcnYuaCAgICAgICAgICAgICAgICAgICB8ICAg MjUgKwogaW5jbHVkZS9kcm0vZHJtX2ZiX2hlbHBlci5oICAgICAgICAgICAgIHwgIDEyNiArKy0K IDM1IGZpbGVzIGNoYW5nZWQsIDQwMDcgaW5zZXJ0aW9ucygrKSwgMTUxMyBkZWxldGlvbnMoLSkK IGNyZWF0ZSBtb2RlIDEwMDY0NCBkcml2ZXJzL2dwdS9kcm0vY2xpZW50L0tjb25maWcKIGNyZWF0 ZSBtb2RlIDEwMDY0NCBkcml2ZXJzL2dwdS9kcm0vY2xpZW50L01ha2VmaWxlCiBjcmVhdGUgbW9k ZSAxMDA2NDQgZHJpdmVycy9ncHUvZHJtL2NsaWVudC9kcm1fYm9vdHNwbGFzaC5jCiBjcmVhdGUg bW9kZSAxMDA2NDQgZHJpdmVycy9ncHUvZHJtL2NsaWVudC9kcm1fdnRjb24uYwogY3JlYXRlIG1v ZGUgMTAwNjQ0IGRyaXZlcnMvZ3B1L2RybS9jbGllbnQvaW50ZXJuYWwuaAogY3JlYXRlIG1vZGUg MTAwNjQ0IGRyaXZlcnMvZ3B1L2RybS9kcm1fY2xpZW50LmMKIGNyZWF0ZSBtb2RlIDEwMDY0NCBp bmNsdWRlL2RybS9kcm1fY2xpZW50LmgKCi0tCjIuMTUuMQoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==