From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 11/12] drm/i915: Extend GET_APERTURE ioctl to report available map space Date: Fri, 29 Apr 2016 11:06:49 +0100 Message-ID: <57233239.80701@linux.intel.com> References: <1461151059-16361-1-git-send-email-ankitprasad.r.sharma@intel.com> <1461151059-16361-12-git-send-email-ankitprasad.r.sharma@intel.com> <5718DE04.3010807@linux.intel.com> <20160421144616.GX17454@nuc-i3427.alporthouse.com> <5718EAB8.7090807@linux.intel.com> <1461580548.2551.11.camel@ankitprasad-desktop> <571E2EDD.6010408@linux.intel.com> <20160426094446.GF27856@nuc-i3427.alporthouse.com> <5721D838.1030905@linux.intel.com> <20160428102436.GM27856@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 715606EE9F for ; Fri, 29 Apr 2016 10:06:52 +0000 (UTC) In-Reply-To: <20160428102436.GM27856@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , Ankitprasad Sharma , intel-gfx@lists.freedesktop.org, Daniel Vetter , akash.goel@intel.com List-Id: intel-gfx@lists.freedesktop.org Ck9uIDI4LzA0LzE2IDExOjI0LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gT24gVGh1LCBBcHIgMjgs IDIwMTYgYXQgMTA6MzA6MzJBTSArMDEwMCwgVHZydGtvIFVyc3VsaW4gd3JvdGU6Cj4+Cj4+IE9u IDI2LzA0LzE2IDEwOjQ0LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4+PiBPbiBNb24sIEFwciAyNSwg MjAxNiBhdCAwMzo1MTowOVBNICswMTAwLCBUdnJ0a28gVXJzdWxpbiB3cm90ZToKPj4+Pgo+Pj4+ IE9uIDI1LzA0LzE2IDExOjM1LCBBbmtpdHByYXNhZCBTaGFybWEgd3JvdGU6Cj4+Pj4+IE9uIFRo dSwgMjAxNi0wNC0yMSBhdCAxNTo1OSArMDEwMCwgVHZydGtvIFVyc3VsaW4gd3JvdGU6Cj4+Pj4+ PiBPbiAyMS8wNC8xNiAxNTo0NiwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+Pj4+Pj4+IE9uIFRodSwg QXByIDIxLCAyMDE2IGF0IDAzOjA0OjUyUE0gKzAxMDAsIFR2cnRrbyBVcnN1bGluIHdyb3RlOgo+ Pj4+Pj4+Pgo+Pj4+Pj4+PiBIaSwKPj4+Pj4+Pj4KPj4+Pj4+Pj4gT24gMjAvMDQvMTYgMTI6MTcs IGFua2l0cHJhc2FkLnIuc2hhcm1hQGludGVsLmNvbSB3cm90ZToKPj4+Pj4+Pj4+ICsJbXV0ZXhf dW5sb2NrKCZkZXYtPnN0cnVjdF9tdXRleCk7Cj4+Pj4+Pj4+PiArCj4+Pj4+Pj4+PiArCXNlcV9w cmludGYobSwgIlRvdGFsIHNpemUgb2YgdGhlIEdUVDogJWxsdSBieXRlc1xuIiwKPj4+Pj4+Pj4+ ICsJCSAgIGFyZy5hcGVyX3NpemUpOwo+Pj4+Pj4+Pj4gKwlzZXFfcHJpbnRmKG0sICJBdmFpbGFi bGUgc3BhY2UgaW4gdGhlIEdUVDogJWxsdSBieXRlc1xuIiwKPj4+Pj4+Pj4+ICsJCSAgIGFyZy5h cGVyX2F2YWlsYWJsZV9zaXplKTsKPj4+Pj4+Pj4+ICsJc2VxX3ByaW50ZihtLCAiVG90YWwgc3Bh Y2UgaW4gdGhlIG1hcHBhYmxlIGFwZXJ0dXJlOiAlbGx1IGJ5dGVzXG4iLAo+Pj4+Pj4+Pj4gKwkJ ICAgYXJnLm1hcF90b3RhbF9zaXplKTsKPj4+Pj4+Pj4+ICsJc2VxX3ByaW50ZihtLCAiQXZhaWxh YmxlIHNwYWNlIGluIHRoZSBtYXBwYWJsZSBhcGVydHVyZTogJWxsdSBieXRlc1xuIiwKPj4+Pj4+ Pj4+ICsJCSAgIG1hcF9zcGFjZSk7Cj4+Pj4+Pj4+PiArCXNlcV9wcmludGYobSwgIlNpbmdsZSBs YXJnZXN0IHNwYWNlIGluIHRoZSBtYXBwYWJsZSBhcGVydHVyZTogJWxsdSBieXRlc1xuIiwKPj4+ Pj4+Pj4+ICsJCSAgIG1hcF9sYXJnZXN0KTsKPj4+Pj4+Pj4+ICsJc2VxX3ByaW50ZihtLCAiQXZh aWxhYmxlIHNwYWNlIGZvciBmZW5jZXM6ICVsbHUgYnl0ZXNcbiIsCj4+Pj4+Pj4+PiArCQkgICBm ZW5jZV9zcGFjZSk7Cj4+Pj4+Pj4+PiArCXNlcV9wcmludGYobSwgIlNpbmdsZSBsYXJnZXN0IGZl bmNlIGF2YWlsYWJsZTogJWxsdSBieXRlc1xuIiwKPj4+Pj4+Pj4+ICsJCSAgIGZlbmNlX2xhcmdl c3QpOwo+Pj4+Pj4+Pj4gKwo+Pj4+Pj4+Pj4gKwlyZXR1cm4gMDsKPj4+Pj4+Pj4+ICt9Cj4+Pj4+ Pj4+PiArCj4+Pj4+Pj4+Cj4+Pj4+Pj4+IEluIGdlbmVyYWwgSSBmaW5kIHRoaXMgYSBsb3Qgb2Yg Y29kZSBmb3IgYSBmZWF0dXJlIG9mIHF1ZXN0aW9uYWJsZQo+Pj4+Pj4+PiB1dGlsaXR5LiBBcyBz dWNoIEkgd291bGQgcHJlZmVyIHNvbWVvbmUgcmVhbGx5IHN0YXRlZCB0aGUgbmVlZCBmb3IKPj4+ Pj4+Pj4gdGhpcyBhbmQgZXhwbGFpbmVkIGhvdyBpdCByZWFsbHkgaXMgdXNlZnVsIC0gZXZlbiB0 aG91Z2ggd2hldGV2ZXIKPj4+Pj4+Pj4gbnVtYmVyIHRoZXkgZ2V0IGZyb20gdGhpcyBtYXkgYmUg Y29tcGxldGVseSBpcnJlbGV2YW50IGJ5IHRoZSB0aW1lCj4+Pj4+Pj4+IGl0IGlzIGFjdGVkIHVw b24uCj4+Pj4+Pj4KPj4+Pj4+PiBZZXMsIHdpdGggdGhlIGV4Y2VwdGlvbiBvZiB0aGUgc2l6ZSBv ZiB0aGUgbWFwcGFibGUgYXBlcnR1cmUsIHRoaXMgaXMKPj4+Pj4+PiByZWFsbHkgaXMgZGVidWcg aW5mby4gSXQgd2lsbCBnZXQgYXV0b21hdGljYWxseSBkdW1wZWQgYnkgdXNlcnNwYWNlCj4+Pj4+ Pj4gd2hlbiBpdCBzZWVzIGFuIEVOT1NQQywgYW5kIHRoYXQgbWF5IHByb3ZlIGVub3VnaCB0byBz b2x2ZSB0aGUgcmlkZGxlIG9mCj4+Pj4+Pj4gd2h5IGl0IGZhaWxlZC4gSG93ZXZlciwgdGhpcyBp bmZvcm1hdGlvbiBpcyB0ZXJyaWJsZSBvdXRkYXRlZCBhbmQgbm93Cj4+Pj4+Pj4gbG9uZ2VyIG9m IHN1Y2ggcmVsZXZhbmNlLgo+Pj4+Pj4+Cj4+Pj4+Pj4gQXMgZm9yIHRoZSBtYXBwYWJsZSBhcGVy dHVyZSBzaXplLCB0aGVyZSBoYXMgYmVlbiBhIHJlcXVlc3QgbWFueSB5ZWFycwo+Pj4+Pj4+IGFn byEgY291bGQgd2UgcHJvdmlkZSBpdCB3aXRob3V0IHJlc29ydGluZyB0byBhIHByaXZpbGVnZSBv cGVyYXRpb24uIEkKPj4+Pj4+PiBndWVzcyBieSBrbm93IHRoYXQgcmVxdWVzdCBoYXMgZGllZCBv dXQgLSBidXQgdGhlcmUgaXMgc3RpbGwgdGhlIGlzc3VlCj4+Pj4+Pj4gd2l0aCBsaWJwY2lhc3Nl c3MgdGhhdCBtYWtlIGl0IHVuc3VpdGFibGUgZm9yIHVzZSBpbnNpZGUgYSBsaWJyYXJ5IHdoZXJl Cj4+Pj4+Pj4gb25lIG1heSB3YW50IHRvIGF2b2lkIGl0IGFuZCB1c2UgYSBzaW1wbGUgaW9jdGwg b24gdGhlIGRldmljZSB5b3UKPj4+Pj4+PiBhbHJlYWR5IGhhdmUgb3Blbi4KPj4+Pj4+Pgo+Pj4+ Pj4+IFllcywgaXQgaXMgbWVoLgo+Pj4+Pj4KPj4+Pj4+IEFwZXJ0dXJlIHNpemUgaW4gdGhlIGlv Y3RsIGlzIGZpbmUgSSB0aGluaywganVzdCB0aGF0IGRldGVjdGlvbiBjYXZlYXQKPj4+Pj4+IHdo YXQgSSBhc2tlZCBpbiB0aGUgb3RoZXIgcmVwbHkuCj4+Pj4+Pgo+Pj4+Pj4gSGVyZSBJIHdhbnRl ZCB0byBzdWdnZXN0IGRyb3BwaW5nIGFsbCB0aGUgbm9uLXRyaXZpYWwgZGVidWdmcyBzdHVmZiBh bmQKPj4+Pj4+IGp1c3QgbGVhdmUgdGhlIGluZm8gcXVlcmllZCB2aWEgaTkxNV9nZW1fZ2V0X2Fw ZXJ0dXJlIGlvY3RsLiBTbwo+Pj4+Pj4gZWZmZWN0aXZlbHkgZHJvcHBpbmcgdGhlIGxpc3QgdHJh dmVyc2FsIGFuZCB2bWEgc29ydGluZyBiaXRzLgo+Pj4+Pj4KPj4+Pj4gSSB0aGluaywgZGVidWcg aW5mbyByZWdhcmRpbmcgdGhlIG1hcHBhYmxlIHNwYWNlIGlzIGdvb2QgdG8gaGF2ZSBmb3IKPj4+ Pj4gZGVidWdnaW5nIHB1cnBvc2UgYXMgQ2hyaXMgbWVudGlvbmVkLgo+Pj4+PiBBbHNvLCB0aGUg bGlzdCB0cmF2ZXJzYWwgYW5kIHRoZSB2bWEgc29ydGluZyBzdHVmZiB3aWxsIG9ubHkgYmUgY2Fs bGVkCj4+Pj4+IGZvciBkZWJ1Z2dpbmcgcHVycG9zZXMsIG5vdCBzbG93aW5nIGFueXRoaW5nIGRv d24gb3Igc28uCj4+Pj4KPj4+PiBJIGFtIHByZXR0eSBpbmRpZmZlcmVudCBvbiB0aGUgdG9waWMg b2YgZGVidWdmcyBlZGl0aW9uLgo+Pj4+Cj4+Pj4gQnV0IGZvciB0aGUgaW9jdGwgZXh0ZW5zaW9u LCBob3cgYWJvdXQgYWRkaW5nIGEgdmVyc2lvbiBmaWVsZCBhcyB0aGUKPj4+PiBmaXJzdCBvbmUg aW4gdGhlIGV4dGVuZGVkIGFyZWE/Cj4+Pgo+Pj4gQSB2ZXJzaW9uIG51bWJlciBvbmx5IG1ha2Vz IHNlbnNlIHdoZW4geW91IGFyZSBjaGFuZ2luZyB0aGUgbWVhbmluZyBvZgo+Pj4gYW4gZXhpc3Rp bmcgZmllbGQuIEFkZGluZyBvbmUgaW1wbGllcyB0aGF0IHdlIGFyZSBwbGFubmluZyB0byBkbyBz bywgYXJlCj4+PiB3ZT8KPj4+Cj4+PiBJbiB0aGUgc2NlbmFyaW9zLCBJJ3ZlIHJ1biB0aHJvdWdo IEkgaGF2ZW4ndCBmb3VuZCBvbmUgd2hlcmUgYSBjYWxsZXIKPj4+IHdvdWxkIGJlaGF2ZSBhbnkg ZGlmZmVyZW50bHkgZmFjZWQgd2l0aCAiMCAtIGlvY3RsIHZlcnNpb24gbm90Cj4+PiBzdXBwb3J0 ZWQiIGFuZCAiMCAtIG5vIGF2YWlsYWJsZSBzcGFjZSAobWFwcGFibGUvc3RvbGVuKSIuIEFkZGlu ZyBhCj4+PiB2ZXJzaW9uIGRvZXNuJ3QgaGVscCB1c2luZyB0aGUgbmV3IGZpZWxkcyBhZmFpY3Qu IFRoZSBhcmd1bWVudCBpcyB0aGUKPj4+IHNhbWUgYXMgd2hldGhlciBhIGZsYWdzIGZpZWxkIGlz IGZvcndhcmQgdGhpbmtpbmcgb3IgdW50aGlua2luZ2x5Cj4+PiBmb3J3YXJkLgo+Pgo+PiBJIHdh cyB0aGlua2luZyB0aGF0IGlmIDAgPSBubyBhcGVydHVyZSBvciBpb2N0bCBub3Qgc3VwcG9ydGVk Cj4+IHVzZXJzcGFjZSBoYXMgdG8gdHJ5IG9uZSBtbWFwX2d0dCB0byBmaW5kIG91dCB3aGljaCBp cyB0cnVlLCB3aWxsIGl0Cj4+IGJlIEVOT0RFViBvciBFTk9TUEMgKGFzc3VtaW5nLCBoYXZlbid0 IGNoZWNrZWQpLiBJZiB3ZSBwdXQgYSB2ZXJzaW9uCj4+IGluIHRoZXJlIHRoZW4gaXQgY2FuIGF2 b2lkIGRvaW5nIHRoYXQuIFNvdW5kcyBsaWtlIGEgYmV0dGVyCj4+IGludGVyZmFjZSB0byBtZSBh bmQgSSBkb24ndCBzZWUgYW55IGRvd25zaWRlcyB0byBpdC4KPgo+IEkgd2FzIHRoaW5raW5nIGVp dGhlciB1c2Vyc3BhY2UgYWxyZWFkeSBjYXJlcyBhbmQgaGFzIGEgbWV0aG9kIGZvcgo+IGZpbmRp bmcgdGhlIHNpemUgb2YgdGhlIFBDSSBtZW1vcnkgcmVnaW9uIG9yIGl0IGRvZXNuJ3QuIElmIGl0 IGRvZXNuJ3QKPiBhbmQgdGhlIGlvY3RsIHJlcG9ydHMgMCBhbmQgaXRzIG9sZGVyIHNlY29uZCBt ZXRob2QgZmFpbHMgd2l0aCBFUEVSTS9FQUNDRVNTCj4gdGhlbiBpdCBpcyBubyB3b3JzZSBvZmYg dGhhbiBiZWZvcmUuCgpJIGRvbid0IGdldCBpdCAtIGlmIHdlIGFyZSBhZGRpbmcgc29tZXRoaW5n IHdoeSBub3QgYWRkIGl0IGluIGEgd2F5IHRoYXQgCm1ha2VzIGl0IGNsZWFyIGFuZCBzZWxmLWNv bnRhaW5lZCAtIHdoYXQgaXMgdGhlIGRvd25zaWRlIG9mIHdoYXQgSSAKcHJvcG9zZSB0byBtZWV0 IHN1Y2ggcmVzaXN0YW5jZT8KClJlZ2FyZHMsCgpUdnJ0a28KX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==