From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Subject: Re: [PATCH v2 2/2] drm/omap: partial workaround for DRA7xx DMM errata i878 Date: Wed, 04 Apr 2018 14:17:23 +0300 Message-ID: <1561664.RVAzNdDqiG@avalon> References: <20180322134206.22857-1-peter.ujfalusi@ti.com> <3403759.MX1QIus5OE@avalon> 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: Tomi Valkeinen Cc: Peter Ujfalusi , devicetree@vger.kernel.org, jsarha@ti.com, dri-devel@lists.freedesktop.org List-Id: devicetree@vger.kernel.org SGkgVG9taSwKCk9uIFdlZG5lc2RheSwgNCBBcHJpbCAyMDE4IDEzOjMzOjAyIEVFU1QgVG9taSBW YWxrZWluZW4gd3JvdGU6Cj4gT24gMDQvMDQvMTggMTM6MjgsIExhdXJlbnQgUGluY2hhcnQgd3Jv dGU6Cj4gPiBPbiBXZWRuZXNkYXksIDQgQXByaWwgMjAxOCAxMzowMjowNCBFRVNUIFRvbWkgVmFs a2VpbmVuIHdyb3RlOgo+ID4+IE9uIDA0LzA0LzE4IDEyOjUxLCBMYXVyZW50IFBpbmNoYXJ0IHdy b3RlOgo+ID4+PiBPbiBXZWRuZXNkYXksIDQgQXByaWwgMjAxOCAxMDozNzowNSBFRVNUIFRvbWkg VmFsa2VpbmVuIHdyb3RlOgo+ID4+Pj4gT24gMDQvMDQvMTggMDA6MTEsIExhdXJlbnQgUGluY2hh cnQgd3JvdGU6Cj4gPj4+Pj4gSSBhc3N1bWUgYWNjZXNzIHRvIERNTS1tYXBwZWQgYnVmZmVycyB0 byBiZSB3YXkgbW9yZSBmcmVxdWVudCB0aGFuCj4gPj4+Pj4gYWNjZXNzIHRvIHRoZSBETU0gcmVn aXN0ZXJzLiBJZiB0aGF0J3MgdGhlIGNhc2UsIHRoaXMgcGFydGlhbAo+ID4+Pj4+IHdvcmthcm91 bmQgc2hvdWxkIG9ubHkgc2xpZ2h0bHkgbG93ZXIgdGhlIHByb2JhYmlsaXR5IG9mIHN5c3RlbSBs b2NrLQo+ID4+Pj4+IHVwLiBEbyB5b3UgaGF2ZSBwbGFucyB0byBpbXBsZW1lbnQgYSB3b3JrYXJv dW5kIHRoYXQgd2lsbCBmaXggdGhlCj4gPj4+Pj4gcHJvYmxlbSBjb21wbGV0ZWx5ID8KPiA+Pj4+ IAo+ID4+Pj4gQ1BVIG9ubHkgYWNjZXNzZXMgbWVtb3J5IHZpYSBETU0gd2hlbiB1c2luZyBUSUxF UiAyRCBidWZmZXJzLCB3aGljaCBhcmUKPiA+Pj4+IG5vdCBvZmZpY2lhbGx5IHN1cHBvcnRlZC4g Rm9yIG5vbi0yRCwgdGhlIHBhZ2VzIGFyZSBtYXBwZWQgZGlyZWN0bHkgdG8KPiA+Pj4+IHRoZSBD UFUgd2l0aG91dCBETU0gaW4gYmV0d2Vlbi4KPiA+Pj4gCj4gPj4+IFdoYXQgaXMgdGhlIERNTSB1 c2VkIGZvciB3aXRoIG5vbi0yRCB0aGVuID8gRG9lcyBpdCBuZWVkIHRvIGJlIHNldHVwIGF0Cj4g Pj4+IGFsbCA/Cj4gPj4gCj4gPj4gSXQgY3JlYXRlcyBhIGNvbnRpZ3VvdXMgdmlldyBvZiBtZW1v cnkgZm9yIElQcyB3aXRob3V0IElPTU1VcywgbGlrZSBEU1MuCj4gPiAKPiA+IE9LLCBnb3QgaXQu IEluIHRoYXQgY2FzZSB0aGUgQ1BVIGFjY2Vzc2VzIGRvbid0IG5lZWQgdG8gZ28gdGhyb3VnaCB0 aGUKPiA+IERNTSwgb25seSB0aGUgZGV2aWNlIGFjY2Vzc2VzIGRvLCBhcyB0aGUgQ1BVIHdpbGwg Z28gdGhyb3VnaCB0aGUgTU1VLgo+ID4gU29ycnkgZm9yIHRoZSBub2lzZS4KPiAKPiBTbGlnaHRs eSByZWxhdGVkLCBqdXN0IHRoaW5raW5nIG91dCBsb3VkOgo+IAo+IFRoaXMgaXMgdGhlIGZpcnN0 IHBhcnQgb2YgdGhlIHdvcmstYXJvdW5kLiBUaGUgb3RoZXIgcGFydCB3b3VsZCBiZSB0bwo+IG1h a2UgVElMRVIgMkQgYXZhaWxhYmxlIHRvIHRoZSBDUFUgdmlhIHNvbWUga2luZCBvZiBpbmRpcmVj dCBhY2Nlc3MuCj4gVElMRVIgMkQgbWVtb3J5IGlzIG1hcHBlZCBpbiBhIGN1c3RvbSB3YXkgdG8g dGhlIENQVSBldmVuIG5vdyAoaWYgSQo+IHJlY2FsbCByaWdodCwgb25seSB0d28gcGFnZXMgYXJl IG1hcHBlZCBhdCBvbmNlLCB3aXRoIGEgY3VzdG9tIERNTQo+IG1hcHBpbmcgZm9yIHRob3NlKS4K PiAKPiBJIHRoaW5rIHNETUEgd291bGQgYmUgdGhlIGNob2ljZSB0aGVyZSB0b28sIGFsbG9jYXRp bmcgdHdvIHBhZ2VzIGFzIGEKPiAiY2FjaGUiIGFuZCB1c2luZyBzRE1BIHRvIGZpbGwgYW5kIGZs dXNoIHRob3NlIHBhZ2VzLgoKVGhpbmtpbmcgb3V0IGxvdWQgdG9vLCBJIHN1cHBvc2Ugd2Ugd291 bGQgdHJpZ2dlciB0aGUgc0RNQSB0byBmbHVzaCB0aGUgcGFnZSAKb3V0IHdoZW4gaXQgaGFzIHRv IGJlIGV2aWN0ZWQgZnJvbSB0aGUgdXNlcmdhcnQsIHRocm91Z2ggdGhlIHNhbWUgbWVjaGFuaXNt IHdlIAp1c2UgdG8gZXZpY3QgdGhlIFRJTEVSIDJEIG1hcHBpbmcgbm93LiBJZiB0aGUgc0RNQSBp cyBmYXN0IGVub3VnaCBpdCBjb3VsZCAKY29tcGxldGUgYmVmb3JlIHRoZSBDUFUgZmlsbHMgdGhl IG5leHQgcGFnZSwgYW5kIHdlIHdvdWxkbid0IGhhdmUgYW55IApub3RpY2VhYmxlIGRlbGF5ICh0 aGVyZSB3b3VsZCBiZSBleHRyYSBtZW1vcnkgYmFuZHdpZHRoIGNvbnN1bXB0aW9uIHRob3VnaCku CgpIb3dldmVyLCB3aGVuIGZhdWx0aW5nIGEgcGFnZSBpbiwgd2Ugd291bGQgYWxzbyBuZWVkIHRv IHVzZSBzRE1BIHRvIHJlYWQgdGhlIApkYXRhLCByaWdodCA/IFRoYXQgc0RNQSB0cmFuc2ZlciBj b3VsZCBvbmx5IGJlIHRyaWdnZXJlZCBhdCB0aGUgdGltZSBvZiB0aGUgCnBhZ2UgZmF1bHQsIHNv IGV2ZXJ5IGFjY2VzcyByZXN1bHRpbmcgaW4gYSBmYXVsdCB3b3VsZCBiZSBkZWxheWVkIGJ5IGEg cGFnZS0Kc2l6ZWQgc0RNQSB0cmFuc2Zlci4gSSB3b25kZXIgaWYgdGhlIHJlc3VsdGluZyBwZXJm b3JtYW5jZXMgd291bGQgYmUgCmFjY2VwdGFibGUuCgo+IEkgaGF2ZW4ndCBzcGVudCBhbnkgdGlt ZSBvbiB0aGF0LCBhcyBUSUxFUiAyRCBoYXMgb3RoZXIgaXNzdWVzIGFuZCBpcwo+IG5vdCB2ZXJ5 IHVzYWJsZS4KCk1heWJlIHdlIHNob3VsZCBqdXN0IG5vdCB1c2UgaXQgdGhlbiA7LSkKCi0tIApS ZWdhcmRzLAoKTGF1cmVudCBQaW5jaGFydAoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9kcmktZGV2ZWwK