From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 1/3] drm/i915: Use readl/writel for ring buffer access Date: Thu, 14 Apr 2016 12:58:53 +0100 Message-ID: <570F85FD.6080608@linux.intel.com> References: <1460631571-29230-1-git-send-email-tvrtko.ursulin@linux.intel.com> <20160414111657.GH5683@nuc-i3427.alporthouse.com> <570F7DE4.7020700@linux.intel.com> <20160414113042.GA19990@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 mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id B9F286EA07 for ; Thu, 14 Apr 2016 11:58:54 +0000 (UTC) In-Reply-To: <20160414113042.GA19990@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 , Intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDE0LzA0LzE2IDEyOjMwLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gT24gVGh1LCBBcHIgMTQs IDIwMTYgYXQgMTI6MjQ6MjBQTSArMDEwMCwgVHZydGtvIFVyc3VsaW4gd3JvdGU6Cj4+Cj4+IE9u IDE0LzA0LzE2IDEyOjE2LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4+PiBPbiBUaHUsIEFwciAxNCwg MjAxNiBhdCAxMTo1OToyOUFNICswMTAwLCBUdnJ0a28gVXJzdWxpbiB3cm90ZToKPj4+PiBGcm9t OiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29tPgo+Pj4+Cj4+Pj4gV2Ug a25vdyByaW5nYnVmZmVycyBhcmUgbWVtb3J5IGFuZCBub3QgcG9ydHMgc28gaWYgd2UgdXNlIHJl YWRsCj4+Pj4gYW5kIHdyaXRlbCBpbnN0ZWFkIG9mIGlvcmVhZDMyIGFuZCBpb3dyaXRlMzIgKHdo aWNoIGRpc3BhdGNoIHRvCj4+Pj4gdGhlIHZlcnkgc2FtZSBmdW5jdGlvbnMgYWZ0ZXIgY2hlY2tp bmcgdGhlIGFkZHJlc3MgcmFuZ2UpIHdlCj4+Pj4gYXZvaWQgZ2VuZXJhdGluZyBmdW5jdGlvbnMg Y2FsbHMgYW5kIGJyYW5jaGluZyBvbiBldmVyeSBhY2Nlc3MuCj4+Pgo+Pj4gV2UgZG9uJ3QgbmVl ZCB0byB1c2UgcmVhZGwvd3JpdGUgYXQgYWxsLCBzaW5jZSB0aGV5IGFyZSBub3JtYWwgbWVtb3J5 Cj4+PiBvbiBsbGMsIGFuZCBvbiB4ODYgd2UgY2FuIHByZXRlbmQgdGhhdCBpb21hcHMgKCFsbGMv c3RvbGVuKSBhcmUgYXMgd2VsbC4KPj4KPj4gSXQgaXMgZmluZSB0byB1c2UgcmVhZGwvd3JpdGVs IHNpbmNlIGl0IHRyYW5zbGF0ZXMgdG8gYSBzaW5nbGUgbW92Cj4+IGluc3RydWN0aW9uIGFueXdh eSBvbiB4ODYuCj4+Cj4+PiBUaGlzIHBhdGNoIGlzIGluIHRoZSBxdWV1ZSBhbG9uZyB3aXRoIGtp bGxpbmcgdGhlIGluY29ycmVjdCBzcGFyZSBpb21lbQo+Pj4gYW5ub3RhdGlvbi4KPj4KPj4gT2sg ZGlkIG5vdCBzcG90IHRoZW0uIERvbid0IG1pbmQgZWl0aGVyIHdheSwgdGhvdWdodCB0aGlzIGlz IHF1aWNrLAo+PiBlYXN5IGFuZCBvYnZpb3VzIGltcHJvdmVtZW50IHdoZW4gSSBzcG90dGVkIHRo ZSB1Z2x5IGNvZGUgZ2VuZXJhdGVkCj4+IGZvciByaW5nIGJ1ZmZlciB3cml0aW5nLgo+Pgo+PiBN aW5kIHlvdSBpdCBpcyBzdGlsbCBub3QgY29tcGxldGVseSBwcmV0dHkgd2l0aCB0aGlzIHBhdGNo IHNpbmNlIGl0Cj4+IGlzIGZ1bGwgb2YgcmVsb2FkcyBhbmQgYWRkcyBmb3IgcmluZ2J1Zi0+dmly dHVhbF9zdGFydCBhbmQgdGFpbAo+PiB3aGljaCBJIGNhbid0IGZpZ3VyZSBob3cgdG8gaGVscCBH Q0Mgb3B0aW1pemUuIFVubGVzcyB3ZSBtYWtlIGJlaW5nLAo+PiBlbWl0IGFuZCBhZHZhbmNlIGZ1 bmN0aW9ucyByZXR1cm4gdGhlIGN1cnJlbnQgdGFpbCBwb2ludGVyIGFuZCBhbHNvCj4+IGFjY2Vw dCBpdC4gSW4gdGhhdCBjYXNlIGl0IGFsbCBzaHJpbmtzIGJ5IGhhbGYuCj4KPiBXZSBmaWd1cmVk IG91dCBob3cgdG8gaGVscCBnY2Mgd2l0aCB0aGF0IGluIHVzZXJzcGFjZSB1c2luZzoKPgo+IG91 dCA9IHJpbmdfYmVnaW4obnVtX2R3b3Jkcyk7Cj4gb3V0WzBdID0gY21kOwo+IG91dFtOXSA9IGR3 Tgo+Cj4gR0NDIHdpbGwgdGhlbiBkbwo+Cj4gbW92ICRpbW0wLCAweDAoJGVheCkKPiBtb3YgJGlt bTEsIDB4NCgkZWF4KQo+IG1vdiAkZWR4LCAweDgoJGVheCkKPiBldGMKCldvdWxkIGJlIG5pY2Us IGhvcGUgaXQgaGFwcGVucyBzb29uLiA6KQoKUmVnYXJkcywKClR2cnRrbwpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0 CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK