From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?VGVyamUgQmVyZ3N0csO2bQ==?= Subject: Re: [RFC v2 1/8] video: tegra: Add nvhost driver Date: Fri, 30 Nov 2012 10:56:39 +0200 Message-ID: <50B874C7.5030208@nvidia.com> References: <1353935954-13763-1-git-send-email-tbergstrom@nvidia.com> <1353935954-13763-2-git-send-email-tbergstrom@nvidia.com> <20121128212301.GA25531@avionic-0098.adnet.avionic-design.de> <50B73710.2040102@nvidia.com> <20121129114704.GB6150@avionic-0098.adnet.avionic-design.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20121129114704.GB6150@avionic-0098.adnet.avionic-design.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: Thierry Reding Cc: "linux-tegra@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" List-Id: linux-tegra@vger.kernel.org T24gMjkuMTEuMjAxMiAxMzo0NywgVGhpZXJyeSBSZWRpbmcgd3JvdGU6Cj4gT24gVGh1LCBOb3Yg MjksIDIwMTIgYXQgMTI6MjE6MDRQTSArMDIwMCwgVGVyamUgQmVyZ3N0csO2bSB3cm90ZToKPj4g VGVncmEyMCBhbmQgVGVncmEzMCBhcmUgY29tcGF0aWJsZSwgYnV0IGZ1dHVyZSBjaGlwcyBhcmUg bm90LiBJIHdhcwo+PiBob3Bpbmcgd2Ugd291bGQgYmUgcmVhZHkgaW4gdXBzdHJlYW0ga2VybmVs IGZvciBmdXR1cmUgY2hpcHMuCj4gCj4gSSB0aGluayB3ZSBzaG91bGQgaWdub3JlIHRoYXQgcHJv YmxlbSBmb3Igbm93LiBHZW5lcmFsbHkgcGxhbm5pbmcgZm9yCj4gYW55IHBvc3NpYmxlIGNvbWJp bmF0aW9uIG9mIGluY29tcGF0aWJpbGl0aWVzIGxlYWRzIHRvIG92ZXJnZW5lcmFsaXplZAo+IGRl c2lnbnMgdGhhdCByZXF1aXJlIHByZWNpc2VseSB0aGVzZSBraW5kcyBvZiBpbmRpcmVjdGlvbnMu Cj4gCj4gT25jZSBzb21lIGRvY3VtZW50YXRpb24gZm9yIFRlZ3JhIDQwIG1hdGVyaWFsaXplcyB3 ZSBjYW4gc3RhcnQgdGhpbmtpbmcKPiBhYm91dCBob3cgdG8gZW5jYXBzdWxhdGUgdGhlIGluY29t cGF0aWJsZSBjb2RlLgoKSSB0aGluayBoZXJlIG91ciBwZXJzcGVjdGl2ZXMgZGlmZmVyIGEgbG90 LiBUaGF0IGlzIG5hdHVyYWwgY29uc2lkZXJpbmcKdGhlIGNvbXBhbnkgSSB3b3JrIGZvciBhbmQg Y29tcGFueSB5b3Ugd29yayBmb3IsIHNvIGxldCdzIHRyeSB0byBzeW5jCnRoZSBwZXJzcGVjdGl2 ZS4KCkluIG15IHJlYWxpdHksIHdoYXRldmVyIGlzIGluIG1hcmtldCBpcyBvbGQgbmV3cyBhbmQg SSBiYXJlbHkgd29yayBvbgp0aGVtIGFueW1vcmUuIFVwc3RyZWFtaW5nIGFjdGl2aXR5IGlzIHRo ZSBleGNlcHRpb24uIDkwJSBvZiBteSB0aW1lIGlzCnNwZW50IGRlYWxpbmcgd2l0aCBmdXR1cmUg Y2hpcHMgd2hpY2ggSSBrbm93IGNhbm5vdCBiZSBoYW5kbGVkIHdpdGhvdXQKdGhpcyBzcGxpdCB0 byBsb2dpY2FsIGFuZCBwaHlzaWNhbCBkcml2ZXIgcGFydHMuCgpGb3IgeW91LCBUZWdyYTIgYW5k IFRlZ3JhMyBhcmUgdGhlIHJlYWxpdHkuCgpJZiB3ZSBtb3ZlIG52aG9zdCBpbiB1cHN0cmVhbSBh IGJpdCBpbmNvbXBhdGlibGUsIHRoYXQncyBmaW5lLCBsaWtlCnJpcHBpbmcgb3V0IGZlYXR1cmVz IG9yIGFkZGluZyBuZXcgbmV3IHN0dWZmLCBsaWtlIGEgbmV3IG1lbW9yeSB0eXBlLgpBbGwgb2Yg dGhpcyBJIGNhbiBzdXBwb3J0IHdpdGggYSBnb29kIGRpZmYgdG9vbCB0byBnZXQgYWxsIHRoZSBw YXRjaGVzCmZsb3dpbmcgYmV0d2VlbiB1cHN0cmVhbSBhbmQgZG93bnN0cmVhbS4KCklmIHdlIGRv IGZ1bmRhbWVudGFsIGNoYW5nZXMgdGhhdCBwcmV2ZW50IGJyaW5naW5nIHRoZSBjb2RlIGJhY2sg dG8KZG93bnN0cmVhbSwgbGlrZSByZW1vdmluZyB0aGlzIGFic3RyYWN0aW9uLCB0aGUgd2hvbGUg cHJvY2VzcyBvZgp1cHN0cmVhbSBhbmQgZG93bnN0cmVhbSBjb252ZXJnaW5nIGhpdHMgYSBicmlj ayB3YWxsLiBXZSB3b3VsZG4ndCBoYXZlCnByb3BlciBjb250aW51aW5nIGNvLW9wZXJhdGlvbiwg YnV0IGp1c3QgcHVzaGluZyBjb2RlIG91dCBhbmQgYmVpbmcgZG9uZQp3aXRoIGl0LgoKPiBJIG5v dGljZWQgdGhhdCBpdCB3YXMgZmlsbGVkIHdpdGggY29udGVudCBpbiBvbmUgb2YgdGhlIHN1YnNl cXVlbnQKPiBwYXRjaGVzLiBEZXBlbmRpbmcgb24gaG93IHRoaXMgZ2V0cyBtZXJnZWQgZXZlbnR1 YWxseSB5b3UgY291bGQgcG9zdHBvbmUKPiBhZGRpbmcgdGhlIGZ1bmN0aW9uIHVudGlsIHRoZSBs YXRlciBwYXRjaC4gQnV0IHBlcmhhcHMgb25jZSB0aGUgY29kZSBoYXMKPiBiZWVuIHByb3Blcmx5 IHJldmlld2VkIHdlIGNhbiBqdXN0IHNxdWFzaCB0aGUgcGF0Y2hlcyBhZ2Fpbi4gV2UnbGwgc2Vl LgoKT2ssIHRoYW5rcy4KCj4+IFRydWUuIEkgbWlnaHQgYWxzbyBhcyB3ZWxsIGRlbGV0ZSB0aGUg Z2VuZXJhbCBpbnRlcnJ1cHQgYWx0b2dldGhlciwgYXMKPj4gd2UgZG9uJ3QgdXNlIGl0IGZvciBh bnkgcmVhbCBwdXJwb3NlLgo+IAo+IEkgdGhpbmsgaXQgbWlnaHQgc3RpbGwgYmUgdXNlZnVsIGZv ciBkaWFnbm9zdGljcy4gSXQgc2VlbXMgdG8gYmUgdXNlZAo+IHdoZW4gd3JpdGVzIHRpbWUgb3V0 LiBUaGF0IGNvdWxkIHN0aWxsIGJlIGhlbHBmdWwgaW5mb3JtYXRpb24gd2hlbgo+IGRlYnVnZ2lu ZyBwcm9ibGVtcy4KCkl0J3MgYWN0dWFsbHkgYSBzdGFsZSBjb21tZW50LiBUaGUgY2xpZW50IHVu aXRzIGFyZSBub3Qgc2lnbmFsaW5nCmFueXRoaW5nIHVzZWZ1bCB3aXRoIHRoZSBpbnRlcnJ1cHQu IFRoZXJlJ3MgdXNlIGZvciBpdCBpbiBkb3duc3RyZWFtLApidXQgdGhhdCdzIGlycmVsZXZhbnQg aGVyZS4KCj4gTWFraW5nIHRoaXMgZ2VuZXJpYyBmb3IgYWxsIG1vZHVsZXMgbWF5IG5vdCBiZSB3 aGF0IHdlIHdhbnQgYXMgaXQKPiBkb2Vzbid0IGFsbG93IGRldmljZXMgdG8gaGFuZGxlIHRoaW5n cyB0aGVtc2VsdmVzIGlmIG5lY2Vzc2FyeS4gQ2xvY2sKPiBtYW5hZ2VtZW50IGlzIGp1c3QgcGFy dCBvZiB0aGUgYm9pbGVyIHBsYXRlIHRoYXQgZXZlcnkgZHJpdmVyIGlzCj4gc3VwcG9zZWQgdG8g Y29wZSB3aXRoLiBBbHNvIHRoZSBudW1iZXIgb2YgY2xvY2tzIGlzIHVzdWFsbHkgbm90IGhpZ2hl cgo+IHRoYW4gMiBvciAzLCBzbyB0aGUgcGFpbiBpcyBtYW5hZ2VhYmxlLiA9KQo+IAo+IEZ1cnRo ZXJtb3JlIGRvaW5nIHRoaXMgaW4gbG9vcHMgbWF5IG5vdCB3b3JrIGZvciBhbGwgbW9kdWxlcy4g U29tZSBtYXkKPiByZXF1aXJlIGFkZGl0aW9uYWwgZGVsYXlzIGJldHdlZW4gZW5hYmxpbmcgdGhl IGNsb2Nrcywgb3RoZXJzIG1heSBiZQo+IGFibGUgdG8gc2VsZWN0aXZlbHkgZGlzYWJsZSBvbmUg Y2xvY2sgYnV0IG5vdCB0aGUgb3RoZXIocykuCgpZZXMsIGJ1dCBJJ2xsIGp1c3QgcmlwIHRoZSBw b3dlciBtYW5hZ2VtZW50IGNvZGUgb3V0LCBzbyB3ZSBjYW4gcG9zdHBvbmUKdGhpcyB1bnRpbCB3 ZSBoYXZlIHZhbGlkYXRlZCBhbmQgdmVyaWZpZWQgdGhlIHJ1bnRpbWUgUE0gbWVjaGFuaXNtCmRv d25zdHJlYW0uCgo+PiBJIGNvdWxkIG1vdmUgdGhpcyB0byBkZWJ1Zy5jLCBidXQgaXQncyBkZWJ1 Z2dpbmcgYWlkIHdoZW4gYSBjb21tYW5kCj4+IHN0cmVhbSBpcyBtaXNiZWhhdmluZyBhbmQgaXQg c3Bld3MgdGhpcyB0byBVQVJUIHdoZW4gc3luYyBwb2ludCB3YWl0IGlzCj4+IHRpbWluZyBvdXQu IFNvIG5vdCBkZWJ1Z2ZzIHN0dWZmLgo+IAo+IE9rYXksIGluIHRoYXQgY2FzZSBpdCBzaG91bGQg c3RheSBpbi4gUGVyaGFwcyBjb252ZXJ0IGRldl9pbmZvKCkgdG8KPiBkZXZfZGJnKCkuIFBlcmhh cHMgd3JhcHBpbmcgaXQgaW4gc29tZSAjaWZkZWYgQ09ORklHX1RFR1JBX0hPU1QxWF9ERUJVRwo+ IGd1YXJkcyB3b3VsZCBhbHNvIGJlIHVzZWZ1bC4gTWF5YmUgbm90LgoKSSBjb3VsZCBkbyB0aGF0 IGZvciB1cHN0cmVhbS4gSW4gZG93bnN0cmVhbSBpdCBjYW5ub3QgZGVwZW5kIG9uIERFQlVHCmZs YWcsIGFzIHRoZXNlIHNwZXdzIGFyZSBhbiBpbXBvcnRhbnQgcGFydCBvZiBob3cgd2UgZGVidWcg cHJvYmxlbXMgd2l0aApjdXN0b21lciBkZXZpY2VzIGFuZCB0aGUgREVCVUcgZmxhZyBpcyBuZXZl ciBvbiBpbiBjdXN0b21lciBidWlsZHMuCgo+IFRoZSBwcm9ibGVtIGlzIG5vdCB3aXRoIGF1dG9n ZW5lcmF0ZWQgZmlsZXMgaW4gZ2VuZXJhbC4gVGhlIG1lYW5zIGJ5Cj4gd2hpY2ggdGhleSBhcmUg Z2VuZXJhdGVkIGFyZSBsZXNzIGltcG9ydGFudC4gSG93ZXZlciwgYXV0b2dlbmVyYXRlZAo+IGZp bGVzIG9mdGVuIGNvbnRhaW4gYSBsb3Qgb2YgdW5uZWVkZWQgZGVmaW5pdGlvbnMgYW5kIGNvbnRh aW4gdGhpbmdzCj4gc3VjaCBhcyAiYXV0b2dlbmVyYXRlZCAtIGRvIG5vdCBlZGl0IiBsaW5lcy4K PiAKPiBTbyBnZW5lcmFsbHkgaWYgeW91IGdlbmVyYXRlIHRoZSBjb250ZW50IHVzaW5nIHNvbWUg c2NyaXB0cyB0byBtYWtlIHN1cmUKPiBpdCBjb3JyZXNwb25kcyB0byB3aGF0IGVuZ2luZWVyaW5n IGdhdmUgeW91LCB0aGF0J3Mgb2theSBhcyBsb25nIGFzIHlvdQo+IG1ha2Ugc3VyZSBpdCBoYXMg dGhlIGNvcnJlY3QgZm9ybSBhbmQgZG9lc24ndCBjb250YWluIGFueSBjcnVmdC4KCkkgY2FuIHJl bW92ZSB0aGUgYm9pbGVycGxhdGUsIHRoYXQncyBub3QgYSBwcm9ibGVtLiBJbiBnZW5lcmFsLCB3 ZSBoYXZlCnRyaWVkIHRvIGJlIHZlcnkgc2VsZWN0aXZlIGFib3V0IHdoYXQgd2UgZ2VuZXJhdGUs IHNvIHRoYXQgaXQgbWF0Y2hlcwp3aGF0IHdlJ3JlIHVzaW5nLgoKPj4gSSBsaWtlIHN0YXRpYyBp bmxpbmUgYmVjYXVzZSBJIGdldCB0aGUgYmVuZWZpdCBvZiBjb21waWxlciB0eXBlCj4+IGNoZWNr aW5nLCBhbmQgZ2NvdiBzaG93cyBtZSB3aGljaCByZWdpc3RlciBkZWZpbml0aW9ucyBoYXZlIGJl ZW4gdXNlZCBpbgo+PiBkaWZmZXJlbnQgdGVzdHMuCj4gCj4gVHlwZSBjaGVja2luZyBzaG91bGRu J3QgYmUgbmVjZXNzYXJ5IGZvciBzaW1wbGUgZGVmaW5lcy4gQW5kIEkgd2Fzbid0Cj4gYXdhcmUg dGhhdCB5b3UgY291bGQgZ2V0IHRoZSBMaW51eCBrZXJuZWwgdG8gd3JpdGUgb3V0IGRhdGEgdG8g YmUgZmVkIHRvCj4gZ2Nvdi4KPiAKPj4gI2RlZmluZXMgYXJlIGFsd2F5cyBtZXNzeSBhbmQgSSBw cmV0dHkgbXVjaCBoYXRlIHRoZW0uIEJ1dCBpZiB0aGUKPj4gZ2VuZXJhbCByZXF1ZXN0IGlzIHRv IHVzZSAjZGVmaW5lJ3MsIGV2ZW4gdGhvdWdoIEkgZG9uJ3QgYWdyZWUsIEkgY2FuCj4+IGFjY29t bW9kYXRlLiBJdCdzIHNpbXBsZSB0byB3cml0ZSBhIHNlZCBzY3JpcHQgdG8gZG8gdGhlIGNvbnZl cnNpb24uCj4gCj4gVGhlcmUgYXJlIGEgbG90IG9mIG9wcG9ydHVuaXRpZXMgdG8gYWJ1c2UgI2Rl ZmluZXMgYnV0IHRoZXkgYXJlIGhhcm1sZXNzCj4gZm9yIHJlZ2lzdGVyIGRlZmluaXRpb25zLiBU aGUgTGludXgga2VybmVsIGlzIGZ1bGwgb2YgdGhlbSBhbmQgSSBoYXZlbid0Cj4geWV0IHNlZW4g YW55IGNvZGUgdGhhdCB1c2VzIHN0YXRpYyBpbmxpbmUgZnVuY3Rpb25zIGZvciB0aGlzIHB1cnBv c2UuCgpNeSBwcm9ibGVtIGlzIGp1c3QgdGhhdCBJIGtub3cgdGhhdCB0aGUgY29kZSBnZW5lcmF0 ZWQgaXMgdGhlIHNhbWUuIFdoYXQKd2UncmUgdGFsa2luZyBhYm91dCBpcyB0aGF0IHNob3VsZCB3 ZSBsZXQgdGhlIHByZXByb2Nlc3NvciBvciBjb21waWxlcgp0YWtlIGNhcmUgb2YgdGhpcy4KCk15 IHRha2UgaXMgdGhhdCB1c2luZyBwcmVwcm9jZXNzb3IgaXMgbm90IHdpc2UgLSBpdCdzIHRoZSBs YXN0IHJlc29ydCBpZgp0aGVyZSdzIG5vIG90aGVyIHByb3BlciB3YXkgb2YgZG9pbmcgdGhpbmdz LiBQcmVwcm9jZXNzb3IgcmVxdWlyZXMgYWxsCnNvcnRzIG9mIGV4dHJhIHBhcmVudGhlc2lzIHRv IHByb3RlY3QgYWdhaW5zdCBpdHMgZGVmaWNpZW5jaWVzLCBhbmQgaXQKaXQgbWVyZWx5IGEgdG9v bCB0byBkbyBzZWFyY2gtYW5kLXJlcGxhY2UuIEV2ZW4gbXVsdGktbGluZSBuZWVkcyBzcGVjaWFs CnRyZWF0bWVudC4KCj4gV2hhdCB5b3UgbmVlZCB0byBjb25zaWRlciBhcyB3ZWxsIGlzIHRoYXQg bWFueSBwZW9wbGUgdGhhdCB3b3JrIHdpdGggdGhlCj4gTGludXgga2VybmVsIGV4cGVjdCBjb2Rl IHRvIGJlIGluIGEgY2VydGFpbiBzdHlsZS4gUmVnaXN0ZXIgYWNjZXNzZXMgb2YKPiB0aGUgZm9y bQo+IAo+ICAgICAgICAgd3JpdGVsKHZhbHVlLCBiYXNlICsgT0ZGU0VUKTsKPiAKPiBhcmUgdmVy eSBjb21tb24gYW5kIGV4cGVjdGVkIHRvIGxvb2sgYSBjZXJ0YWluIHdheSwgc28gaWYgeW91IHdy aXRlIGNvZGUKPiB0aGF0IGRvZXNuJ3QgY29tcGx5IHdpdGggdGhlc2UgZ3VpZGVsaW5lcyB5b3Ug bWFrZSBpdCBleHRyYSBoYXJkIGZvcgo+IHBlb3BsZSB0byByZWFkIHRoZSBjb2RlLiBBbmQgdGhh dCdsbCBjb3N0IGV4dHJhIHRpbWUsIHdoaWNoIHBlb3BsZSBkb24ndAo+IHVzdWFsbHkgaGF2ZSBp biBleGNlc3MuCgpCdXQgdGhpcyBoYXMgbm90aGluZyB0byBkbyB3aXRoIHN0YXRpYyBpbmxpbmUg dnMuICNkZWZpbmUgYW55bW9yZSwgcmlnaHQ/Cgo+IE1heWJlIHlvdSBjYW4gZXhwbGFpbiB0aGUg dXNlZnVsbmVzcyBvZiB0aGlzIHNvbWUgbW9yZS4gV2h5IHdvdWxkIGl0IGJlCj4gZWFzaWVyIHRv IGxvb2sgYXQgdGhlbSBpbiBzeXNmcyB0aGFuIGluIGRlYnVnZnM/IFlvdSBjb3VsZCBiZSBwcm92 aWRpbmcKPiBhIHNpbXBsZSBsaXN0IG9mIHN5bmNwb2ludHMgYWxvbmcgd2l0aCBtaW4vbWF4LCBu YW1lLCByZXF1ZXN0ZWQgc3RhdHVzLAo+IGV0Yy4gaW4gZGVidWdmcyBhbmQgaXQgc2hvdWxkIGJl IGFzIGVhc3kgdG8gcGFyc2UgZm9yIGJvdGggaHVtYW5zIGFuZAo+IG1hY2hpbmVzIGFzIHN5c2Zz LiBJIGRvbid0IHRoaW5rIElPQ1RMcyB3b3VsZCBiZSBhbnkgZ2FpbiBhcyB0aGV5IHRlbmQKPiB0 byBoYXZlIGhpZ2hlciBBQkkgc3RhYmlsaXR5IHJlcXVpcmVtZW50cyB0aGFuIGRlYnVnZnMgKHdo aWNoIGRvZXNuJ3QKPiBoYXZlIHZlcnkgc3Ryb25nIHJlcXVpcmVtZW50cykgb3Igc3lzZnMgKHdo aWNoIGlzIG9mdGVuIGNvbnNpZGVyZWQgYXMgYQo+IHB1YmxpYyBBQkkgYXMgd2VsbCBhbmQgdGhl cmVmb3JlIG5lZWRzIHRvIGJlIHN0YWJsZSkuCgpkZWJ1Z2ZzIGlzIGp1c3QgYSBkZWJ1Z2dpbmcg dG9vbCwgYW5kIHVzZXIgc3BhY2UgY2Fubm90IHJlbHkgb24gaXQuIE9ubHkKZGV2ZWxvcGVycyBj YW4gcmVseSBvbiBleGlzdGVuY2Ugb2YgZGVidWdmcywgYXMgdGhleSBoYXZlIHRoZSBtZWFucyB0 bwplbmFibGUgaXQuCgpzeXNmcyBpcyBhIHBsYWNlIGZvciBhY3R1YWwgQVBJcyBhcyB5b3UgbWVu dGlvbiwgYW5kIHVzZXIgc3BhY2UgY2FuIHJlbHkKb24gdGhlbSBhcyBwcm9wZXIgQVBJcy4gVGhh dCdzIHdoYXQgdGhlIHZhbHVlcyB3ZXJlIGV4cG9ydGVkIGZvci4KCj4gSSd2ZSBzYWlkIHRoaXMg YmVmb3JlLCBhbmQgSSB0aGluayB0aGF0IHRoaXMgdHJpZXMgdG8gYmUgb3Zlcmx5IGdlbmVyaWMu Cj4gRGlzcGxheSBjb250cm9sbGVycyBmb3IgaW5zdGFuY2Ugd29yayBxdWl0ZSB3ZWxsIHdpdGhv dXQgYW4gYXR0YWNoZWQKPiBudmhvc3RfY2hhbm5lbC4KClllcywgdGhlc2Ugc3RydWN0dXJlcyBh cmVuJ3QgbWVhbnQgdG8gYmUgdXNlZCBieSBhbnl0aGluZyBlbHNlIHRoYW4KdW5pdHMgdGhhdCBh cmUgY29udHJvbGxlZCBieSB0aGUgaG9zdDF4IGRyaXZlci4gREMsIGZvciBleGFtcGxlLAp3b3Vs ZG4ndCBoYXZlIHRoaXMuCgpUZXJqZQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2RyaS1kZXZlbAo=