From mboxrd@z Thu Jan 1 00:00:00 1970 From: ville.syrjala@linux.intel.com Subject: [PATCH] drm/i915: Don't clobber crtc->new_config when nothing changes Date: Fri, 21 Nov 2014 21:00:36 +0200 Message-ID: <1416596436-11708-1-git-send-email-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 1F9156EF18 for ; Fri, 21 Nov 2014 11:02:14 -0800 (PST) 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 List-Id: intel-gfx@lists.freedesktop.org RnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KCldo ZW4gZG9pbmcgYSBub3AgbW9kZXNldCB3ZSBjdXJyZW50bHkgbGVhdmUgY3J0Yy0+bmV3X2NvbmZp ZyBwb2ludCBhdAp0aGUgYWxyZWFkeSBmcmVlZCB0ZW1wb3JhcnkgcGlwZV9jb25maWcuIFRoYXQg d2lsbCBhbmdlciB0aGUgc2FuaXR5CmNoZWNrcyBpbiBpbnRlbF9tb2Rlc2V0X3VwZGF0ZV9zdGF0 ZSgpIHdoZW4gdGhlIG5vcCBtb2Rlc2V0IGdldHMKZm9sbG93ZWQgYnkgYSBHUFUgcmVzZXQgb24g Z2VuMy80IHdoZXJlIHRoZSBkaXNwbGF5IGJsb2NrIGdldHMgZnVsbHkKcmVpbml0aWFsaXplZCBk dXJpbmcgdGhlIHJlc2V0LgoKU28gbGVhdmUgY3J0Yy0+bmV3X2NvbmZpZyBhbG9uZSB1bnRpbCB3 ZSBrbm93IGEgbW9kZXNldCBpcyBhY3R1YWxseQpyZXF1aXJlZC4KCkNjOiBKZXNzZSBCYXJuZXMg PGpiYXJuZXNAdmlydHVvdXNnZWVrLm9yZz4KU2lnbmVkLW9mZi1ieTogVmlsbGUgU3lyasOkbMOk IDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9kaXNwbGF5LmMgfCA4ICsrKysrLS0tCiAxIGZpbGUgY2hhbmdlZCwgNSBpbnNlcnRp b25zKCspLCAzIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2Rpc3BsYXkuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYwpp bmRleCA4NTM2OTdmLi4zMjE4NDU1IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9kaXNwbGF5LmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5j CkBAIC0xMDkwNyw3ICsxMDkwNyw2IEBAIGludGVsX21vZGVzZXRfY29tcHV0ZV9jb25maWcoc3Ry dWN0IGRybV9jcnRjICpjcnRjLAogCX0KIAlpbnRlbF9kdW1wX3BpcGVfY29uZmlnKHRvX2ludGVs X2NydGMoY3J0YyksIHBpcGVfY29uZmlnLAogCQkJICAgICAgICJbbW9kZXNldF0iKTsKLQl0b19p bnRlbF9jcnRjKGNydGMpLT5uZXdfY29uZmlnID0gcGlwZV9jb25maWc7CiAKIG91dDoKIAlyZXR1 cm4gcGlwZV9jb25maWc7CkBAIC0xMDkzMyw2ICsxMDkzMiw5IEBAIHN0YXRpYyBpbnQgX19pbnRl bF9zZXRfbW9kZShzdHJ1Y3QgZHJtX2NydGMgKmNydGMsCiAKIAkqc2F2ZWRfbW9kZSA9IGNydGMt Pm1vZGU7CiAKKwlpZiAobW9kZXNldF9waXBlcykKKwkJdG9faW50ZWxfY3J0YyhjcnRjKS0+bmV3 X2NvbmZpZyA9IHBpcGVfY29uZmlnOworCiAJLyoKIAkgKiBTZWUgaWYgdGhlIGNvbmZpZyByZXF1 aXJlcyBhbnkgYWRkaXRpb25hbCBwcmVwYXJhdGlvbiwgZS5nLgogCSAqIHRvIGFkanVzdCBnbG9i YWwgc3RhdGUgd2l0aCBwaXBlcyBvZmYuICBXZSBuZWVkIHRvIGRvIHRoaXMKQEAgLTExNDY2LDEy ICsxMTQ2OCwxMiBAQCBzdGF0aWMgaW50IGludGVsX2NydGNfc2V0X2NvbmZpZyhzdHJ1Y3QgZHJt X21vZGVfc2V0ICpzZXQpCiAJCXJldCA9IFBUUl9FUlIocGlwZV9jb25maWcpOwogCQlnb3RvIGZh aWw7CiAJfSBlbHNlIGlmIChwaXBlX2NvbmZpZykgewotCQlpZiAodG9faW50ZWxfY3J0YyhzZXQt PmNydGMpLT5uZXdfY29uZmlnLT5oYXNfYXVkaW8gIT0KKwkJaWYgKHBpcGVfY29uZmlnLT5oYXNf YXVkaW8gIT0KIAkJICAgIHRvX2ludGVsX2NydGMoc2V0LT5jcnRjKS0+Y29uZmlnLmhhc19hdWRp bykKIAkJCWNvbmZpZy0+bW9kZV9jaGFuZ2VkID0gdHJ1ZTsKIAogCQkvKiBGb3JjZSBtb2RlIHNl dHMgZm9yIGFueSBpbmZvZnJhbWUgc3R1ZmYgKi8KLQkJaWYgKHRvX2ludGVsX2NydGMoc2V0LT5j cnRjKS0+bmV3X2NvbmZpZy0+aGFzX2luZm9mcmFtZSB8fAorCQlpZiAocGlwZV9jb25maWctPmhh c19pbmZvZnJhbWUgfHwKIAkJICAgIHRvX2ludGVsX2NydGMoc2V0LT5jcnRjKS0+Y29uZmlnLmhh c19pbmZvZnJhbWUpCiAJCQljb25maWctPm1vZGVfY2hhbmdlZCA9IHRydWU7CiAJfQotLSAKMi4w LjQKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVs LWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==