From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Deucher Subject: Re: [PATCH] drm/radeon: insist on 32-bit DMA for Cedar Date: Thu, 22 Feb 2018 11:48:45 -0500 Message-ID: References: <20180221234154.6877-1-bcrocker@redhat.com> <7d6a06dc-9e88-2427-ec6a-4f48b9aa8f6b@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Ben Crocker Cc: amd-gfx list , Christian Koenig , Maling list - DRI developers List-Id: dri-devel@lists.freedesktop.org T24gVGh1LCBGZWIgMjIsIDIwMTggYXQgMTE6NDUgQU0sIEJlbiBDcm9ja2VyIDxiY3JvY2tlckBy ZWRoYXQuY29tPiB3cm90ZToKPiBJIGNvbnNpZGVyZWQgdGhhdCwgYnV0IEknbSBvbmx5IGVxdWlw cGVkIHRvIHRlc3Qgb24gYSBmZXcgY2FyZHMtLXRoZSBvbmVzCj4gSUJNIGlzIGludGVyZXN0ZWQg aW4uCj4gU28gdGhpcyBDZWRhci1zcGVjaWZpYyBjaGFuZ2UgZml4ZXMgdGhlIHByb2JsZW0gb24g dGhlIEZpcmVQcm8gMjI3MDsgdGhlCj4gb3RoZXIgY2FyZHMgc2VlbQo+IHBlcmZlY3RseSBjYXBh YmxlIG9mIGhhbmRsaW5nIDQwKyBiaXQgRE1BIGFkZHJlc3NlcyBvbiB0aGUgUG93ZXI4IHBsYXRm b3JtLgoKV2hpY2ggb3RoZXIgY2FyZHM/CgpBbGV4Cgo+Cj4KPiBPbiBUaHUsIEZlYiAyMiwgMjAx OCBhdCAxMTowNyBBTSwgQWxleCBEZXVjaGVyIDxhbGV4ZGV1Y2hlckBnbWFpbC5jb20+Cj4gd3Jv dGU6Cj4+Cj4+IE9uIFRodSwgRmViIDIyLCAyMDE4IGF0IDEwOjU1IEFNLCBCZW4gQ3JvY2tlciA8 YmNyb2NrZXJAcmVkaGF0LmNvbT4gd3JvdGU6Cj4+ID4gQWxleCwgQ2hyaXN0aWFuLCBldCBhbC4K Pj4gPgo+PiA+IFRoYW5rcyBmb3IgeW91ciByYXBpZCByZXNwb25zZSEKPj4gPgo+PiA+IEkgY2Fu IGNlcnRhaW5seSBtYWtlIHRoZSBjaGFuZ2UgUFBDLW9ubHkgKCNpZmRlZiBDT05GSUdfUFBDNjQu Li4pIGFuZCBJCj4+ID4gdGhpbmsKPj4gPiB0aGF0J3MgdGhlIHNhZmVzdCB3YXkgdG8gZ28gcmln aHQgbm93LiAgSXQgbWFrZXMgdGhlIHBhdGNoIHZlcnkgc3BlY2lmaWMKPj4gPiB0bwo+PiA+IENl ZGFyCj4+ID4gb24gUG93ZXJQQzY0LCBzbyBpdCBkb2Vzbid0IGJyZWFrIGFueXRoaW5nIHRoYXQg bWF5IGhhdmUgY29tZSB0byBkZXBlbmQKPj4gPiBvbgo+PiA+IFJ1c3NlbGwncyBhbmQgQWxpc3Rh aXIncyBjaGFuZ2VzLCBhbmQgbXkgdGltZXRhYmxlIGZvciBnZXR0aW5nIGEgZml4IGluCj4+ID4g aXMKPj4gPiB2ZXJ5IHNob3J0Lgo+Pgo+PiBJZiB5b3Ugd2FudCB0byBnbyB0aGlzIHJvdXRlLCB5 b3UgbWlnaHQganVzdCBzZXQgbmVlZF9kbWEzMgo+PiB1bmNvbmRpdGlvbmFsbHkgZm9yIFBQQzY0 LiAgVGhlIGJ1cyBpbnRlcmZhY2UgaHcgaXMgcHJldHR5IG11Y2ggdGhlCj4+IHNhbWUgYWNyb3Nz IGFsbCBhc2ljcyBpbiB0aGlzIHRpbWUgcGVyaW9kLgo+Pgo+PiBBbGV4Cj4+Cj4+Cj4+ID4KPj4g PiAtLSBCZW4KPj4gPgo+PiA+Cj4+ID4KPj4gPiBPbiBUaHUsIEZlYiAyMiwgMjAxOCBhdCAyOjI1 IEFNLCBDaHJpc3RpYW4gS8O2bmlnCj4+ID4gPGNrb2VuaWcubGVpY2h0enVtZXJrZW5AZ21haWwu Y29tPiB3cm90ZToKPj4gPj4KPj4gPj4gQW0gMjIuMDIuMjAxOCB1bSAwMzowNSBzY2hyaWViIEFs ZXggRGV1Y2hlcjoKPj4gPj4+Cj4+ID4+PiBPbiBXZWQsIEZlYiAyMSwgMjAxOCBhdCA2OjQxIFBN LCBCZW4gQ3JvY2tlciA8YmNyb2NrZXJAcmVkaGF0LmNvbT4KPj4gPj4+IHdyb3RlOgo+PiA+Pj4+ Cj4+ID4+Pj4gSW4gcmFkZW9uX2RldmljZV9pbml0LCBzZXQgdGhlIG5lZWRfZG1hMzIgZmxhZyBm b3IgQ2VkYXIgY2hpcHMKPj4gPj4+PiAoZS5nLiBGaXJlUHJvIDIyNzApLiAgVGhpcyBmaXhlcywg b3IgYXQgbGVhc3Qgd29ya3MgYXJvdW5kLCBhIGJ1Zwo+PiA+Pj4+IG9uIFBvd2VyUEMgZXhwb3Nl ZCBieSBsYXN0IHllYXIncyBjb21taXRzCj4+ID4+Pj4KPj4gPj4+PiA4ZTNmMWIxZDgyNTUxMDVm MzE1NTZhYWNmOGFlYjYwNzFiMDBkNDY5IChSdXNzZWxsIEN1cnJleSkKPj4gPj4+Pgo+PiA+Pj4+ IGFuZAo+PiA+Pj4+Cj4+ID4+Pj4gMjUzZmQ1MWUyZjUzMzU1MmFlMzVhMGM2NjE3MDVkYTZjNDg0 MmMxYiAoQWxpc3RhaXIgUG9wcGxlKQo+PiA+Pj4+Cj4+ID4+Pj4gd2hpY2ggZW5hYmxlZCB0aGUg NjQtYml0IERNQSBpb21tdSBieXBhc3MuCj4+ID4+Pj4KPj4gPj4+PiBUaGlzIGNhdXNlZCB0aGUg ZGV2aWNlIHRvIGZyZWV6ZSwgaW4gc29tZSBjYXNlcyB1bnJlY292ZXJhYmx5LCBhbmQgaXMKPj4g Pj4+PiB0aGUgc3ViamVjdCBvZiBzZXZlcmFsIGJ1ZyByZXBvcnRzIGludGVybmFsIHRvIFJlZCBI YXQuCj4+ID4+Pgo+PiA+Pj4gQ2FuIHdlIG1ha2UgdGhpcyBwcGMgb25seT8gIDQwIGJpdCBETUEg d29ya3MgZmluZSBvbiB4ODYuCj4+ID4+Cj4+ID4+Cj4+ID4+IFllYWggYW5kIGF0IGxlYXN0IHdo ZW4gdGhlIGRtYV9jb2hlcmVudCBhbGxvY2F0b3IgcGF0aCBpcyB1c2VkIGl0Cj4+ID4+IHNob3Vs ZAo+PiA+PiB3b3JrIGZpbmUgb24gUFBDIGFzIHdlbGwuCj4+ID4+Cj4+ID4+IFNvIHRoYXQgaXMg bm90IHJlYWxseSBhIGRyaXZlciBidWcsIGJ1dCBhIHBsYXRmb3JtIGJ1ZyBhbmQgd2Ugc2hvdWxk Cj4+ID4+IHRoaW5rCj4+ID4+IGFib3V0IHJldmVydGluZyBvciBhdCBsZWFzdCBkaXNhYmxpbmcg dGhvc2UgdHdvIHBhdGNoZXMgaW5zdGVhZC4KPj4gPj4KPj4gPj4gQ2hyaXN0aWFuLgo+PiA+Pgo+ PiA+Pj4KPj4gPj4+IEFsZXgKPj4gPj4+Cj4+ID4+Pj4gU2lnbmVkLW9mZi1ieTogQmVuIENyb2Nr ZXIgPGJjcm9ja2VyQHJlZGhhdC5jb20+Cj4+ID4+Pj4gLS0tCj4+ID4+Pj4gICBkcml2ZXJzL2dw dS9kcm0vcmFkZW9uL3JhZGVvbl9kZXZpY2UuYyB8IDUgKysrKy0KPj4gPj4+PiAgIDEgZmlsZSBj aGFuZ2VkLCA0IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKPj4gPj4+Pgo+PiA+Pj4+IGRp ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vcmFkZW9uL3JhZGVvbl9kZXZpY2UuYwo+PiA+Pj4+ IGIvZHJpdmVycy9ncHUvZHJtL3JhZGVvbi9yYWRlb25fZGV2aWNlLmMKPj4gPj4+PiBpbmRleCBm ZmMxMGNhZGNmMzQuLjAyNTM4OTAzODMwZCAxMDA2NDQKPj4gPj4+PiAtLS0gYS9kcml2ZXJzL2dw dS9kcm0vcmFkZW9uL3JhZGVvbl9kZXZpY2UuYwo+PiA+Pj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2Ry bS9yYWRlb24vcmFkZW9uX2RldmljZS5jCj4+ID4+Pj4gQEAgLTEzOTUsNyArMTM5NSwxMCBAQCBp bnQgcmFkZW9uX2RldmljZV9pbml0KHN0cnVjdCByYWRlb25fZGV2aWNlCj4+ID4+Pj4gKnJkZXYs Cj4+ID4+Pj4gICAgICAgICAgaWYgKHJkZXYtPmZsYWdzICYgUkFERU9OX0lTX0FHUCkKPj4gPj4+ PiAgICAgICAgICAgICAgICAgIHJkZXYtPm5lZWRfZG1hMzIgPSB0cnVlOwo+PiA+Pj4+ICAgICAg ICAgIGlmICgocmRldi0+ZmxhZ3MgJiBSQURFT05fSVNfUENJKSAmJgo+PiA+Pj4+IC0gICAgICAg ICAgIChyZGV2LT5mYW1pbHkgPD0gQ0hJUF9SUzc0MCkpCj4+ID4+Pj4gKyAgICAgICAgICAgKHJk ZXYtPmZhbWlseSA8PSBDSElQX1JTNzQwIHx8IHJkZXYtPmZhbWlseSA9PQo+PiA+Pj4+IENISVBf Q0VEQVIpKQo+PiA+Pj4+ICsgICAgICAgICAgICAgICByZGV2LT5uZWVkX2RtYTMyID0gdHJ1ZTsK Pj4gPj4+PiArICAgICAgIGlmICgocmRldi0+ZmxhZ3MgJiBSQURFT05fSVNfUENJRSkgJiYKPj4g Pj4+PiArICAgICAgICAgICAocmRldi0+ZmFtaWx5ID09IENISVBfQ0VEQVIpKQo+PiA+Pj4+ICAg ICAgICAgICAgICAgICAgcmRldi0+bmVlZF9kbWEzMiA9IHRydWU7Cj4+ID4+Pj4KPj4gPj4+PiAg ICAgICAgICBkbWFfYml0cyA9IHJkZXYtPm5lZWRfZG1hMzIgPyAzMiA6IDQwOwo+PiA+Pj4+IC0t Cj4+ID4+Pj4gMi4xMy42Cj4+ID4+Pj4KPj4gPj4+PiBfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwo+PiA+Pj4+IGRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKPj4g Pj4+PiBkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4+ID4+Pj4gaHR0cHM6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwKPj4gPj4+Cj4+ID4+ PiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+PiA+Pj4g YW1kLWdmeCBtYWlsaW5nIGxpc3QKPj4gPj4+IGFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cj4+ID4+PiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2Ft ZC1nZngKPj4gPj4KPj4gPj4KPj4gPgo+PiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwo+PiBhbWQtZ2Z4IG1haWxpbmcgbGlzdAo+PiBhbWQtZ2Z4QGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwo+PiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2FtZC1nZngKPgo+Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2RyaS1kZXZlbAo=