From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lyude Subject: [PATCH 4/6] drm/i915/skl: Always wait for pipes to update after a flush Date: Wed, 20 Jul 2016 17:00:00 -0400 Message-ID: <1469048403-32016-5-git-send-email-cpaul@redhat.com> References: <1469048403-32016-1-git-send-email-cpaul@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1469048403-32016-1-git-send-email-cpaul@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org Cc: David Airlie , "open list:INTEL DRM DRIVERS excluding Poulsbo, Moorestow..., linux-kernel@vger.kernel.org open list" , stable@vger.kernel.org, Daniel Vetter List-Id: intel-gfx@lists.freedesktop.org QXMgd2UndmUgbGVhcm5lZCwgYWxsIHdhdGVybWFyayB1cGRhdGVzIG9uIFNreWxha2UgaGF2ZSB0 byBiZSBzdHJpY3RseQphdG9taWMgb3IgdGhpbmdzIGZhaWwuIFdoaWxlIHRoZSBic3BlYyBkb2Vz bid0IG1hbmRhdGUgdGhhdCB3ZSBuZWVkIHRvCndhaXQgZm9yIHBpcGVzIHRvIGZpbmlzaCBhZnRl ciB0aGUgdGhpcmQgaXRlcmF0aW9uIG9mIGZsdXNoZXMsIG5vdCBkb2luZwpzbyBnaXZlcyB1cyB0 aGUgb3Bwb3J0dW5pdHkgdG8gYnJlYWsgdGhpcyBhdG9taWNpdHkgbGF0ZXIuIFRoaXMgZXhhbXBs ZQphc3N1bWVzIHRoYXQgd2UncmUgbHVja3kgZW5vdWdoIG5vdCB0byBiZSBpbnRlcnJ1cHRlZCBi eSB0aGUgc2NoZWR1bGVyCmF0IGFueSBwb2ludCBkdXJpbmcgdGhpczoKCiAtIFN0YXJ0IHdpdGgg cGlwZSBBIGFuZCBwaXBlIEIgZW5hYmxlZAogLSBFbmFibGUgcGlwZSBDCiAtIEZsdXNoIHBpcGUg QSBpbiBwYXNzIDEsIHdhaXQgdW50aWwgdXBkYXRlIGZpbmlzaGVzCiAtIEZsdXNoIHBpcGUgQiBp biBwYXNzIDMsIGNvbnRpbnVlIHdpdGhvdXQgd2FpdGluZyBmb3IgbmV4dCB2YmxhbmsKIC0gU3Rh cnQgYW5vdGhlciB3bSB1cGRhdGUKIC0gV2UgZW50ZXIgdGhlIG5leHQgdmJsYW5rIGZvciBwaXBl IEIgYmVmb3JlIHdlIGZpbmlzaCB3cml0aW5nIGFsbCB0aGUKICAgdm0gdmFsdWVzCiAtICpVbmRl cnJ1bioKCkFzIHN1Y2gsIHdlIGFsd2F5cyBuZWVkIHRvIHdhaXQgZm9yIGVhY2ggcGlwZSB3ZSBm bHVzaCB0byB1cGRhdGUgc28gYXMKdG8gbmV2ZXIgYnJlYWsgdGhpcyBhdG9taWNpdHkuCgpGaXhl czogMGU4ZmI3YmE3Y2E1ICgiZHJtL2k5MTUvc2tsOiBGbHVzaCB0aGUgV00gY29uZmlndXJhdGlv biIpClNpZ25lZC1vZmYtYnk6IEx5dWRlIDxjcGF1bEByZWRoYXQuY29tPgpDYzogc3RhYmxlQHZn ZXIua2VybmVsLm9yZwpDYzogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4Lmlu dGVsLmNvbT4KQ2M6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAaW50ZWwuY29tPgpDYzog UmFkaGFrcmlzaG5hIFNyaXBhZGEgPHJhZGhha3Jpc2huYS5zcmlwYWRhQGludGVsLmNvbT4KQ2M6 IEhhbnMgZGUgR29lZGUgPGhkZWdvZWRlQHJlZGhhdC5jb20+IDxjcGF1bEByZWRoYXQuY29tPgpD YzogTWF0dCBSb3BlciA8bWF0dGhldy5kLnJvcGVyQGludGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9wbS5jIHwgMTcgKysrKysrKysrKysrKysrLS0KIDEgZmlsZSBjaGFu Z2VkLCAxNSBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9w bS5jCmluZGV4IDc4OGRiODYuLjJlMzFkZjQgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX3BtLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYwpAQCAt Mzg1OSw4ICszODU5LDExIEBAIHN0YXRpYyB2b2lkIHNrbF9mbHVzaF93bV92YWx1ZXMoc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LAogCS8qCiAJICogVGhpcmQgcGFzczogZmx1c2gg dGhlIHBpcGVzIHRoYXQgZ290IG1vcmUgc3BhY2UgYWxsb2NhdGVkLgogCSAqCi0JICogV2UgZG9u J3QgbmVlZCB0byBhY3RpdmVseSB3YWl0IGZvciB0aGUgdXBkYXRlIGhlcmUsIG5leHQgdmJsYW5r Ci0JICogd2lsbCBqdXN0IGdldCBtb3JlIEREQiBzcGFjZSB3aXRoIHRoZSBjb3JyZWN0IFdNIHZh bHVlcy4KKwkgKiBXaGlsZSB0aGUgaGFyZHdhcmUgZG9lc24ndCByZXF1aXJlIHRvIHdhaXQgZm9y IHRoZSBuZXh0IHZibGFuayBoZXJlLAorCSAqIGNvbnRpbnVpbmcgYmVmb3JlIHRoZSBwaXBlIGZp bmlzaGVzIHVwZGF0aW5nIGNvdWxkIHJlc3VsdCBpbiB1cworCSAqIHRyeWluZyB0byB1cGRhdGUg dGhlIHdtIHZhbHVlcyBhZ2FpbiBiZWZvcmUgdGhlIHBpcGUgZmluaXNoZXMKKwkgKiB1cGRhdGlu Zywgd2hpY2ggcmVzdWx0cyBpbiB0aGUgaGFyZHdhcmUgdXNpbmcgaW50ZXJtZWRpYXRlIHdtIHZh bHVlcworCSAqIGFuZCBzdWJzZXF1ZW50bHkgdW5kZXJydW5uaW5nIHBpcGVzLgogCSAqLwogCWZv cl9lYWNoX2ludGVsX2NydGMoZGV2LCBjcnRjKSB7CiAJCWlmICghY3J0Yy0+YWN0aXZlKQpAQCAt Mzg3Niw2ICszODc5LDE2IEBAIHN0YXRpYyB2b2lkIHNrbF9mbHVzaF93bV92YWx1ZXMoc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LAogCQkJY29udGludWU7CiAKIAkJc2tsX3dtX2Zs dXNoX3BpcGUoZGV2X3ByaXYsIHBpcGUsIDMpOworCisJCS8qCisJCSAqIFRoZSBvbmx5IHRpbWUg d2UgY2FuIGdldCBhd2F5IHdpdGggbm90IHdhaXRpbmcgZm9yIGFuIHVwZGF0ZQorCQkgKiBpcyB3 aGVuIHdlIGp1c3QgZW5hYmxlZCB0aGUgcGlwZSwgZS5nLiB3aGVuIGl0IGRvZXNuJ3QgaGF2ZQor CQkgKiB2YmxhbmtzIGVuYWJsZWQgYW55d2F5LgorCQkgKi8KKwkJaWYgKGRybV9jcnRjX3ZibGFu a19nZXQoJmNydGMtPmJhc2UpID09IDApIHsKKwkJCWludGVsX3dhaXRfZm9yX3ZibGFuayhkZXYs IHBpcGUpOworCQkJZHJtX2NydGNfdmJsYW5rX3B1dCgmY3J0Yy0+YmFzZSk7CisJCX0KIAl9CiB9 CiAKLS0gCjIuNy40CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1n ZngK