From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH 3/8] drm/i915: Use EAGAIN instead EBUSY for aux retry. Date: Mon, 23 Nov 2015 11:41:33 +0200 Message-ID: <87egfh9ho2.fsf@intel.com> References: <1448066790-19591-1-git-send-email-rodrigo.vivi@intel.com> <1448066790-19591-4-git-send-email-rodrigo.vivi@intel.com> <20151123090230.GY17050@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20151123090230.GY17050@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Daniel Vetter , Rodrigo Vivi Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCAyMyBOb3YgMjAxNSwgRGFuaWVsIFZldHRlciA8ZGFuaWVsQGZmd2xsLmNoPiB3cm90 ZToKPiBPbiBGcmksIE5vdiAyMCwgMjAxNSBhdCAwNDo0NjoyNVBNIC0wODAwLCBSb2RyaWdvIFZp dmkgd3JvdGU6Cj4+IEN1cnJlbnQgRUJVU1kgbWVhbmluZyBpcyBpbW1lZGlhdGVseSByZXRyeSwg YnV0IHRoaXMgaXMKPj4gYWJvdXQgdG8gY2hhbmdlLiBEUk0gYXV4IHRyYW5zZmVyIGlzIGFib3V0 IHRvIGNoYW5nZSBhbmQKPj4gbWFrZSBFQUdBSU4gdGhlIGltbWVkaWF0ZWx5IHJldHJ5IGFuZCB1 c2UgRUJVU1kgdG8gd2FpdAo+PiBhIGJpdCBmb3IgYXV4IGNoYW5uZWxzIHRvIHJlY292ZXIgZm9y IGFueSBlcnJvciBvciB3YWtlIHVwLgo+PiAKPj4gVGhpcyBoYXMgbm8gZnVuY3Rpb25hbCBjaGFu Z2UgaWYgdGhlIEVBR0FJTiBzdXBwb3J0IGlzIGluCj4+IHBsYWNlIGFscmVhZHkgZm9yIGRybSBh dXggdHJhbnNmZXIuCj4+IAo+PiBTaWduZWQtb2ZmLWJ5OiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28u dml2aUBpbnRlbC5jb20+Cj4KPiBQbGVhc2UgZG9jdW1lbnQgdGhlIEVBR0FJTiBhbmQgRUJVU1kg cmV0dXJuIGNvZGVzIGZvciB0aGUgLT50cmFuc2Zlcgo+IG1lbWJlciBmbyBkcm1fZHBfYXV4IGlu IHRoZSBrZXJuZWxkb2MgcHJvcGVybHkuIFdoaWxlIGF0IGl0IHdvdWxkIGJlIGdyZWF0Cj4gaWYg eW91IGNvdWxkIGRvY3VtZW50IGFueSBvdGhlciBlcnJvciBjb2RlcyB0aGF0IGFyZSB0cmVhdGVk IHNwZWNpYWxseSBmb3IKPiB0aGlzIGZ1bmN0aW9uLgoKU2VlIG15IGNvbW1lbnQgaW4gcmVwbHkg dG8gcGF0Y2ggMSBhYm91dCB0aGUgZGlmZmVyZW5jZSBpbiBoYW5kbGluZyBvZgp0aGUgLT50cmFu c2ZlciByZXR1cm4gdmFsdWVzIGZvciBuYXRpdmUgYXV4IGFuZCBpMmMtb3Zlci1hdXguCgpCUiwK SmFuaS4KCj4KPiBTaW5jZSB0aGlzIHdpbGwgYmUgYSBiaXQgbW9yZSB0ZXh0IHBsZWFzZSBjb252 ZXJ0IHRoZSBrZXJuZWxkb2MgdG8gdGhlIG5ldwo+IHBlci1tZW1iZXIgY29tbWVudCBsYXlvdXQg dGhhdCA0LjQgc3VwcG9ydHMsIGkuZS4KPgo+IC8qKgo+ICAqIHN0cnVjdCBmb28gLSBmb28gc3Ry dWN0dXJlCj4gICoKPiAgKiB0b3AtbGV2ZWwgYmxhYmxhCj4gICovCj4gc3RydWN0IGZvbyB7Cj4g CS8qKgo+IAkgKiBAYmFyOgo+IAkgKgo+IAkgKiBMb25nIHRleHQgKHdpdGggcGFyYWdyYXBocykg ZXhwbGFpbmluZyBiYXIuCj4gCSAqLwo+IH07Cj4KPiBPdGhlcndpc2UgdGhpcyBsb29rcyByZWFs bHkgdGlkeSBhbmQgSSByZWFsbHkgbGlrZSBob3cgdGhpcyBhbGxvd3MgdXMgdG8KPiBnZXQgcmlk IG9mIHRoZSBpbnRlbF9yZWFkX3dha2UgaGFjay4KPiAtRGFuaWVsCj4KPj4gLS0tCj4+ICBkcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIHwgNCArKy0tCj4+ICAxIGZpbGUgY2hhbmdlZCwg MiBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+PiAKPj4gZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9k cC5jCj4+IGluZGV4IGJlYzQ0M2EuLmVkMDdmMGEgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX2RwLmMKPj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf ZHAuYwo+PiBAQCAtODM1LDcgKzgzNSw3IEBAIGludGVsX2RwX2F1eF9jaChzdHJ1Y3QgaW50ZWxf ZHAgKmludGVsX2RwLAo+PiAgCQkJbGFzdF9zdGF0dXMgPSBzdGF0dXM7Cj4+ICAJCX0KPj4gIAo+ PiAtCQlyZXQgPSAtRUJVU1k7Cj4+ICsJCXJldCA9IC1FQUdBSU47Cj4+ICAJCWdvdG8gb3V0Owo+ PiAgCX0KPj4gIAo+PiBAQCAtODkwLDcgKzg5MCw3IEBAIGludGVsX2RwX2F1eF9jaChzdHJ1Y3Qg aW50ZWxfZHAgKmludGVsX2RwLAo+PiAgCj4+ICAJaWYgKChzdGF0dXMgJiBEUF9BVVhfQ0hfQ1RM X0RPTkUpID09IDApIHsKPj4gIAkJRFJNX0VSUk9SKCJkcF9hdXhfY2ggbm90IGRvbmUgc3RhdHVz IDB4JTA4eFxuIiwgc3RhdHVzKTsKPj4gLQkJcmV0ID0gLUVCVVNZOwo+PiArCQlyZXQgPSAtRUFH QUlOOwo+PiAgCQlnb3RvIG91dDsKPj4gIAl9Cj4+ICAKPj4gLS0gCj4+IDIuNC4zCj4+IAo+PiBf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+PiBkcmktZGV2 ZWwgbWFpbGluZyBsaXN0Cj4+IGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPj4gaHR0 cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAoKLS0g CkphbmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5IENlbnRlcgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGlu ZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=