From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sean Paul <sean-p7yTbzM4H96eqtR555YLDQ@public.gmane.org>
Subject: Re: [PATCH 1/2] drm/msm: dpu: Only check flush register
 against pending flushes
Date: Mon, 1 Oct 2018 16:29:53 -0400
Message-ID: <20181001202953.GZ72545@art_vandelay>
References: <20180919185627.206368-1-sean@poorly.run>
 <20180919185627.206368-2-sean@poorly.run>
 <709b39ac985c0687e248710c75d16599@codeaurora.org>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
Content-Disposition: inline
In-Reply-To: <709b39ac985c0687e248710c75d16599-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/freedreno>,
 <mailto:freedreno-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/freedreno>
List-Post: <mailto:freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:freedreno-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/freedreno>,
 <mailto:freedreno-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "Freedreno" <freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: Jeykumar Sankaran <jsanka-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: Sean Paul <sean-p7yTbzM4H96eqtR555YLDQ@public.gmane.org>, abhinavk-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, Rob Clark <robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Sean Paul <seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, hoegsberg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
List-Id: linux-arm-msm@vger.kernel.org

T24gV2VkLCBTZXAgMjYsIDIwMTggYXQgMTE6NTE6MzVBTSAtMDcwMCwgSmV5a3VtYXIgU2Fua2Fy
YW4gd3JvdGU6Cj4gT24gMjAxOC0wOS0xOSAxMTo1NiwgU2VhbiBQYXVsIHdyb3RlOgo+ID4gRnJv
bTogU2VhbiBQYXVsIDxzZWFucGF1bEBjaHJvbWl1bS5vcmc+Cj4gPiAKPiA+IFRoZXJlIGV4aXN0
cyBhIGNhc2Ugd2hlcmUgYSBmbHVzaCBvZiBhIHBsYW5lL2RtYSBtYXkgaGF2ZSBiZWVuIHRyaWdn
ZXJlZAo+ID4gJiBzdGFydGVkIGZyb20gYW4gYXN5bmMgY29tbWl0LiBJZiB0aGF0IHBsYW5lL2Rt
YSBpcyBzdWJzZXF1ZW50bHkKPiA+IGRpc2FibGVkCj4gPiBieSB0aGUgbmV4dCBjb21taXQsIHRo
ZSBmbHVzaCByZWdpc3RlciB3aWxsIGNvbnRpbnVlIHRvIGhvbGQgdGhlIGZsdXNoCj4gPiBiaXQg
Zm9yIHRoZSBkaXNhYmxlZCBwbGFuZS4gU2luY2UgdGhlIGJpdCByZW1haW5zIGFjdGl2ZSwKPiA+
IHBlbmRpbmdfa2lja29mZl9jbnQgd2lsbCBuZXZlciBkZWNyZW1lbnQgYW5kIHdlJ2xsIG1pc3Mg
ZnJhbWVfZG9uZQo+ID4gZXZlbnRzLgo+ID4gCj4gSSBzdXBwb3NlIHRoaXMgaXMgdGhlIHZibGFu
ayBpbiBiZXR3ZWVuIHRoZSBhc3luYyBjb21taXQgYW5kIHRoZSBuZXh0IGNvbW1pdAo+IChvbmUg
d2hlcmUKPiB0aGUgcGxhbmUgaXMgZGlzYWJsZWQpLgo+IAo+IElmIHRoaXMgdmJsYW5rIGhhZCBj
b25zdW1lZCB0aGUgZmx1c2ggYml0cywgaXQgbWVhbnMgdGhlIEhXCj4gaGFzIHJlYWQgdGhlIGNv
bmZpZ3VyYXRpb24gYW5kIGl0IHNob3VsZCBoYXZlIGNsZWFyZWQgYml0cy4KPiAKPiBJZiB5b3Ug
c3RpbGwgc2VlIHRoZSBmbHVzaCBiaXQgYWN0aXZlLCBpdCBtZWFucyB0aGUgYXN5bmMgY29tbWl0
IGhhcyBtaXNzZWQKPiB0aGUgVkJMQU5LIGJvdW5kYXJ5Cj4gYW5kIHRoZSBIVyBoYXMgbm90IHll
dCB0YWtlbiB0aGUgY3Vyc29yIGNvbmZpZ3VyYXRpb24uIFNvIHlvdSBhcmUgbm90Cj4gc3VwcG9z
ZWQgdG8KPiBnZXQgZnJhbWVfZG9uZSBldmVudC4KClJpZ2h0LCB3ZSdyZSBub3QgZ2V0dGluZyBm
cmFtZV9kb25lIHVudGlsIHRoZSBuZXh0IGZyYW1lIGNvbWVzIGluLiBUaGUgaXNzdWUgaXMKdGhh
dCB3ZSBnZXQgMiBjb21taXRzIGluIGJldHdlZW4gdmJsYW5rcywgdGhlIGZpcnN0IGNvbW1pdCB0
cmlnZ2VycyB0aGUgY3Vyc29yCmZvciBmbHVzaCBhbmQgdGhlIHNlY29uZCBvbmUgZGlzYWJsZXMg
aXQuIFVuZm9ydHVuYXRlbHkgdGhlIGZpcnN0IGNvbW1pdCBoYXMKYWxyZWFkeSBjYWxsZWQgQ1RM
X1NUQVJUIGFuZCBtYWRlIGl0IGltcG9zc2libGUgZm9yIHRoZSBzZWNvbmQgY29tbWl0IHRvIGNs
ZWFyCnRoYXQgZmx1c2ggYml0IChhZmFpY3QpLgoKVGhlIGZyYW1lX2RvbmUgZXZlbnRzIHNlZW0g
dG8gZmxvdyBwcm9wZXJseSwgb25seSBiZWluZyB0cmlnZ2VyZWQgb25jZSBwZXIKdmJsYW5rIGFu
ZCBvbmx5IHdoZW4gYSBub24tYXN5bmMgY29tbWl0IGhhcyBoYXBwZW5lZC4KClNvIGlzIHRoZXJl
IGEgd2F5IHRvIGNsZWFyIHRoZSBDVExfRkxVU0ggcmVnaXN0ZXIgb24gc3Vic2VxdWVudCBjb21t
aXRzPyBJJ3ZlCnBva2VkIGFyb3VuZCBzb21lIG1vcmUgYW5kIGNhbid0IHNlZW0gdG8gZmlndXJl
IGl0IG91dC4KCj4gCj4gQ29tbWVudHMgb3V0c2lkZSB0aGUgc2NvcGUgb2YgdGhpcyBwYXRjaDog
VG8gc3VwcG9ydCBhc3luYyBhbmQgc3luYyB1cGRhdGVzCj4gb24gdGhlIHNhbWUgZGlzcGxheSBj
b21taXQgdGhyZWFkLCB3ZSBzaG91bGQgYmUgYWRkaW5nIG1vcmUgcHJvdGVjdGlvbiB0bwo+IHN1
cHBvcnQKPiBjb25jdXJyZW5jeSBzY2VuYXJpb3MgdG8gYXZvaWQgbW9yZSB0aGFuIG9uZSBjdGwg
Zmx1c2hlcyBwZXIgVkJMQU5LIHBlcmlvZC4KClllYWgsIGNlcnRhaW5seSBlYXNpZXIgc2FpZCB0
aGFuIGRvbmUuIEknbSBub3QgcmVhbGx5IHN1cmUgaG93IHRvIGltcGxlbWVudAp0aGF0LCB0Ymgu
CgpUaGVyZSdzIG5vIHdheSB0byBrbm93IGhvdyBtYW55IGNvbW1pdHMgeW91J2xsIGhhdmUsIGFu
ZCB0aGVyZSdzIG5vIHdheSB0bwpkZWxheSB0aGUgRkxVU0ggdW50aWwgcmlnaHQgYmVmb3JlIHZi
bGFuay4gRG8geW91IGhhdmUgYW55IGlkZWFzIHRoYXQgSSBtaWdodCBiZQptaXNzaW5nPwoKU2Vh
bgoKPiAKPiBUaGFua3MsCj4gSmV5a3VtYXIgUy4KPiAKPiAKPiAKPiA+IFRoaXMgcGF0Y2ggbGlt
aXRzIHRoZSBjaGVjayBvZiBmbHVzaF9yZWdpc3RlciB0byBpbmNsdWRlIG9ubHkgdGhvc2UgYml0
cwo+ID4gd2hpY2ggaGF2ZSBiZWVuIHVwZGF0ZWQgd2l0aCB0aGUgbGF0ZXN0IGNvbW1pdC4KPiA+
IAo+ID4gU2lnbmVkLW9mZi1ieTogU2VhbiBQYXVsIDxzZWFucGF1bEBjaHJvbWl1bS5vcmc+Cj4g
PiAtLS0KPiA+ICBkcml2ZXJzL2dwdS9kcm0vbXNtL2Rpc3AvZHB1MS9kcHVfZW5jb2Rlcl9waHlz
X3ZpZC5jIHwgMiArLQo+ID4gIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKSwgMSBkZWxl
dGlvbigtKQo+ID4gCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL21zbS9kaXNwL2Rw
dTEvZHB1X2VuY29kZXJfcGh5c192aWQuYwo+ID4gYi9kcml2ZXJzL2dwdS9kcm0vbXNtL2Rpc3Av
ZHB1MS9kcHVfZW5jb2Rlcl9waHlzX3ZpZC5jCj4gPiBpbmRleCA4NGRlMzg1YTlmNjIuLjYwZjE0
NmYwMmI3NyAxMDA2NDQKPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9tc20vZGlzcC9kcHUxL2Rw
dV9lbmNvZGVyX3BoeXNfdmlkLmMKPiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9tc20vZGlzcC9k
cHUxL2RwdV9lbmNvZGVyX3BoeXNfdmlkLmMKPiA+IEBAIC0zMzEsNyArMzMxLDcgQEAgc3RhdGlj
IHZvaWQgZHB1X2VuY29kZXJfcGh5c192aWRfdmJsYW5rX2lycSh2b2lkCj4gPiAqYXJnLAo+ID4g
aW50IGlycV9pZHgpCj4gPiAgCWlmIChod19jdGwgJiYgaHdfY3RsLT5vcHMuZ2V0X2ZsdXNoX3Jl
Z2lzdGVyKQo+ID4gIAkJZmx1c2hfcmVnaXN0ZXIgPSBod19jdGwtPm9wcy5nZXRfZmx1c2hfcmVn
aXN0ZXIoaHdfY3RsKTsKPiA+IAo+ID4gLQlpZiAoZmx1c2hfcmVnaXN0ZXIgPT0gMCkKPiA+ICsJ
aWYgKCEoZmx1c2hfcmVnaXN0ZXIgJiBod19jdGwtPm9wcy5nZXRfcGVuZGluZ19mbHVzaChod19j
dGwpKSkKPiA+ICAJCW5ld19jbnQgPQo+ID4gYXRvbWljX2FkZF91bmxlc3MoJnBoeXNfZW5jLT5w
ZW5kaW5nX2tpY2tvZmZfY250LAo+ID4gIAkJCQktMSwgMCk7Cj4gPiAgCXNwaW5fdW5sb2NrX2ly
cXJlc3RvcmUocGh5c19lbmMtPmVuY19zcGlubG9jaywgbG9ja19mbGFncyk7Cj4gCj4gLS0gCj4g
SmV5a3VtYXIgUwoKLS0gClNlYW4gUGF1bCwgU29mdHdhcmUgRW5naW5lZXIsIEdvb2dsZSAvIENo
cm9taXVtIE9TCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
CkZyZWVkcmVubyBtYWlsaW5nIGxpc3QKRnJlZWRyZW5vQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo
dHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ZyZWVkcmVubwo=