From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH] drm/i915: Skip force-wake for uncached mmio flush of GGTT writes Date: Mon, 20 Mar 2017 12:38:31 +0200 Message-ID: <87a88gz108.fsf@gaia.fi.intel.com> References: <20170318104257.694-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id A9D206E543 for ; Mon, 20 Mar 2017 10:39:16 +0000 (UTC) In-Reply-To: <20170318104257.694-1-chris@chris-wilson.co.uk> 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 Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gVGhlIHRy aWNrIG9mIHVzaW5nIGFuIHVuY2FjaGVkIG1taW8gcmVhZCB0byBlbnN1cmUgdGhhdCB0aGUgR0dU VCB3cml0ZXMKPiBhcmUgZmx1c2hlZCBkb2VzIG5vdCByZXF1aXJlIHVzIHRvIGRvIHRoZSBmb3Jj ZXdha2UgZGFuY2UsIHNvIGF2b2lkIGl0Cj4gaW4gdGhlIGhvcGUgb2YgcmVkdWNpbmcgdGhlIGZy ZXF1ZW5jeSB0aGF0IHdlIGRvIGtlZXAgdGhlIGRldmljZSBmb3JjZWQKPiBhd2FrZS4KPgo+IFNp Z25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgoKUmV2 aWV3ZWQtYnk6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAaW50ZWwuY29tPgoKPiAtLS0K PiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyB8IDcgKysrKystLQo+ICAxIGZpbGUg Y2hhbmdlZCwgNSBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+Cj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p OTE1X2dlbS5jCj4gaW5kZXggNWUyODBlM2JmZDg2Li5kNDY4MzAwZTJmMDUgMTAwNjQ0Cj4gLS0t IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfZ2VtLmMKPiBAQCAtMzA5NCw4ICszMDk0LDExIEBAIGk5MTVfZ2VtX29iamVj dF9mbHVzaF9ndHRfd3JpdGVfZG9tYWluKHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmop Cj4gIAkgKiBzeXN0ZW0gYWdlbnRzIHdlIGNhbm5vdCByZXByb2R1Y2UgdGhpcyBiZWhhdmlvdXIp Lgo+ICAJICovCj4gIAl3bWIoKTsKPiAtCWlmIChJTlRFTF9HRU4oZGV2X3ByaXYpID49IDYgJiYg IUhBU19MTEMoZGV2X3ByaXYpKQo+IC0JCVBPU1RJTkdfUkVBRChSSU5HX0FDVEhEKGRldl9wcml2 LT5lbmdpbmVbUkNTXS0+bW1pb19iYXNlKSk7Cj4gKwlpZiAoSU5URUxfR0VOKGRldl9wcml2KSA+ PSA2ICYmICFIQVNfTExDKGRldl9wcml2KSkgewo+ICsJCXNwaW5fbG9ja19pcnEoJmRldl9wcml2 LT51bmNvcmUubG9jayk7Cj4gKwkJUE9TVElOR19SRUFEX0ZXKFJJTkdfQUNUSEQoZGV2X3ByaXYt PmVuZ2luZVtSQ1NdLT5tbWlvX2Jhc2UpKTsKPiArCQlzcGluX3VubG9ja19pcnEoJmRldl9wcml2 LT51bmNvcmUubG9jayk7Cj4gKwl9Cj4gIAo+ICAJaW50ZWxfZmJfb2JqX2ZsdXNoKG9iaiwgd3Jp dGVfb3JpZ2luKG9iaiwgSTkxNV9HRU1fRE9NQUlOX0dUVCkpOwo+ICAKPiAtLSAKPiAyLjExLjAK Pgo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gSW50 ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBo dHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeApf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZngg bWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK