From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915/irq: wait a little before queuing the hotplug work function Date: Fri, 12 Jun 2015 09:58:45 +0300 Message-ID: <878ubp5s62.fsf@intel.com> References: <1434011759-9388-1-git-send-email-jani.nikula@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id A6D076EA4F for ; Thu, 11 Jun 2015 23:56:23 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Hugh Greenberg Cc: "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAxMSBKdW4gMjAxNSwgSHVnaCBHcmVlbmJlcmcgPGh1Z2VncmVlbmJ1Z0BnbWFpbC5j b20+IHdyb3RlOgo+IFdoYXQgaWYgeW91IGZpcmVkIHRoZSB1ZXZlbnQgcmVnYXJkbGVzcyBvZiB0 aGUgcHJldmlvdXMgc3RhdGU/CgpOb3Qgc2VuZGluZyB0aGUgdWV2ZW50IGlzIGFjdHVhbGx5IGEg c2lkZSBlZmZlY3Qgb2YgdGhpcyBidWcsIG5vdCB0aGUKbWFpbiBwcm9ibGVtLiBJIHRoaW5rIHdl IG5lZWQgc29tZXRoaW5nIGxpa2UgdGhpcyBubyBtYXR0ZXIKd2hhdC4gVW5jb25kaXRpb25hbGx5 IHNlbmRpbmcgdGhlIHVldmVudCBpcyBhIHNlcGFyYXRlIHF1ZXN0aW9uLgoKQlIsCkphbmkuCgoK Pgo+PiBPbiBKdW4gMTEsIDIwMTUsIGF0IDI6MzUgQU0sIEphbmkgTmlrdWxhIDxqYW5pLm5pa3Vs YUBpbnRlbC5jb20+IHdyb3RlOgo+PiAKPj4gQ3VycmVudGx5IGl0J3MgcG9zc2libGUgdGhpcyBo YXBwZW5zIHdoZW4gYSAobm9uLURQKSBjYWJsZSBpcyB1bnBsdWdnZWQ6Cj4+IAo+PiAtIHVzZXIg c3RhcnRzIHVucGx1Z2dpbmcgY2FibGUKPj4gLSBob3RwbHVnIGlycSBmaXJlcwo+PiAtIGhvdHBs dWcgd29yayBmdW5jdGlvbiBydW5zCj4+IC0gY29ubmVjdG9yIGRldGVjdCBmdW5jdGlvbiBydW5z Cj4+IC0gZGRjIHBpbiBpcyBzdGlsbCBjb25uZWN0ZWQsIGVkaWQgcmVhZCBzdWNjZWVkcwo+PiAg LT4gd2UgZGVjaWRlIG5vdGhpbmcgY2hhbmdlZCwgbm8gdWV2ZW50Cj4+IC0gY2FibGUgY29tcGxl dGVseSB1bnBsdWdnZWQKPj4gIC0+IG91ciBzdGF0ZSBpcyBpbmNvbnNpc3RlbnQgd2l0aCByZWFs aXR5LCBubyBwb3dlciBzYXZlCj4+IAo+PiBUaGUgdXNlciBwbHVncyBjYWJsZSBiYWNrIGluOgo+ PiAKPj4gLSBtb3N0IG9mIHRoZSBzYW1lIGF0IGZpcnN0Cj4+IC0gZGRjIHBpbiBjb25uZWN0ZWQs IGVkaWQgcmVhZCBzdWNjZWVkcwo+PiAgLT4gd2UgZGVjaWRlIG5vdGhpbmcgY2hhbmdlZCBiZWNh dXNlIHdlIHRob3VnaHQgdGhlIGNhYmxlIHdhcyBwbHVnZ2VkCj4+ICAgICBpbiBhbGwgYWxvbmcs IG5vIHVldmVudAo+PiAtIGNhYmxlIGNvbXBsZXRlbHkgcGx1Z2dlZAo+PiAgLT4gb3VyIHN0YXRl IGlzIHNvbWV3aGF0IGNvbnNpc3RlbnQsIGhvd2V2ZXIgbW9uaXRvciBtaWdodCBiZQo+PiAgICAg ZGlmZmVyZW50LCB0aGUgbGluayBtaWdodCBub3QgcmVjb3Zlcj8KPj4gCj4+IFdpdGggb3VyIGN1 cnJlbnQgaW1wbGVtZW50YXRpb24gd2UgcmVseSBvbiB0aGUgaG90cGx1ZyBwaW4gYmVpbmcgKmJv dGgqCj4+IHRoZSBsYXN0IHRvIGJlIGNvbm5lY3RlZCBvbiBwbHVnICphbmQqIGxhc3QgdG8gYmUg ZGlzY29ubmVjdGVkIG9uCj4+IHVucGx1Zy4gVGhlIGVkdWNhdGVkIGd1ZXNzIGlzIHRoYXQgdGhp cyBpcyBub3QgdGhlIGNhc2UuCj4+IAo+PiBQZXIgdGhlIGxvZ3MgaW4gdGhlIGNhc2Ugb2YgdGhl IHJlZmVyZW5jZWQgYnVnLCB0aGUgaGRtaSBkZXRlY3QgY29kZQo+PiBydW5zIHdpdGhpbiBhIGZl dyAqbWljcm9zZWNvbmRzKiBhZnRlciB0aGUgaG90cGx1ZyBpcnEsIGFuZCB0aGUgRURJRCBoYXMK Pj4gYmVlbiBzdWNjZXNzZnVsbHkgcmVhZCB3aXRoaW4gMjUgbXMgb2YgdGhlIGlycS4gSWYgdGhl IEREQyBsaW5lcyBhcmUKPj4gc3RpbGwgY29ubmVjdGVkIHdoZW4gdGhlIGhvdHBsdWcgaXJxIGZp cmVzLCB0aGUgdXNlciBoYXMgdG8gYmUgYmxhemluZ2x5Cj4+IGZhc3QgdG8gY29tcGxldGUgdGhl IHVucGx1ZyBiZWZvcmUgdGhlIGRldGVjdCBjb2RlIHJ1bnMuCj4+IAo+PiBXZSBjYW4gYWZmb3Jk IHRvIHdhaXQgYSBsaXR0bGUgYmVmb3JlIHF1ZXVpbmcgdGhlIHdvcmsgZnVuY3Rpb24gZm9yIGEK Pj4gYml0IG1vcmUgcmVsaWFiaWxpdHkuIE9idmlvdXNseSBpdCdzIHN0aWxsIHBvc3NpYmxlIGZv ciB0aGUgdXNlciB0bwo+PiB1bnBsdWcgdGhlIGNhYmxlIHJlYWxseSBzbG93bHksIGJ1dCBsZXQn cyBhdCBsZWFzdCBnaXZlIHRoZSB1c2VyIGEKPj4gZmlnaHRpbmcgY2hhbmNlIHRvIHVucGx1ZyBm YXN0IGVub3VnaC4KPj4gCj4+IEknZCBsb3ZlIHRvIGNsYWltIHRoZSBwcm9wb3NlZCBkZWxheSBv ZiA0MDAgbXMgaXMgYmFzZWQgb24gcmVhbCBsaWZlCj4+IG1lYXN1cmVkIGRhdGEgYW5kIHJpZ29y b3VzIGFuYWx5c2lzLCBidXQgaW4gdHJ1dGggaXQgaXMganVzdCBhIGd1dAo+PiBmZWVsaW5nIGJh c2VkIGNvbXByb21pc2UgYmV0d2VlbiBzb2x2aW5nIHRoZSBpc3N1ZSBhbmQgbWVldGluZyBzb21l Cj4+IHZhZ3VlIHJlYWwgdGltZSBodW1hbiBpbnRlcmFjdGlvbiBkZWFkbGluZSBmb3IgaGF2aW5n IGEgcGljdHVyZSBvbgo+PiBzY3JlZW4uIChIb3dldmVyIEkgZXhwZWN0IGFueSBjcml0aWNpc20g dG8gYmUgbW9yZSBzdWJzdGFudGlhdGVkIHRoYW4KPj4gIm15IGd1dCBmZWVsaW5nIGlzIGJldHRl ciB0aGFuIHlvdXJzIi4pCj4+IAo+PiBBbiBhbHRlcm5hdGl2ZSB3b3VsZCBiZSB0byBjaGVjayB0 aGUgaG90cGx1ZyBzdGF0ZSBpbiB0aGUgaXJxIGhhbmRsZXIsCj4+IGJ1dCB0aGVyZSBoYXZlIGJl ZW4gcmVsaWFiaWxpdHkgcHJvYmxlbXMgd2l0aCBpdCBpbiB0aGUgcGFzdCwgYW5kIHdlJ3ZlCj4+ IG9wdGVkIG5vdCB0byB1c2UgaXQuIFtjaXRhdGlvbiBuZWVkZWRdCj4+IAo+PiBCdWd6aWxsYTog aHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9ODI1OTMKPj4gVGVz dGVkLWJ5OiBIdWdoIEdyZWVuYmVyZyA8aHVnZWdyZWVuYnVnQGdtYWlsLmNvbT4KPj4gQ2M6IFZp bGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4+IFNpZ25lZC1v ZmYtYnk6IEphbmkgTmlrdWxhIDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+Cj4+IC0tLQo+PiBkcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5jIHwgIDIgKy0KPj4gZHJpdmVycy9ncHUvZHJtL2k5 MTUvaTkxNV9kcnYuaCB8ICAyICstCj4+IGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMg fCAxMiArKysrKysrKy0tLS0KPj4gMyBmaWxlcyBjaGFuZ2VkLCAxMCBpbnNlcnRpb25zKCspLCA2 IGRlbGV0aW9ucygtKQo+PiAKPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5 MTVfZHJ2LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5jCj4+IGluZGV4IDc4ZWYw YmI1M2MzNi4uMDAyNzY3ZGRmZTA2IDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X2Rydi5jCj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmMKPj4g QEAgLTU1Miw3ICs1NTIsNyBAQCB2b2lkIGludGVsX2hwZF9jYW5jZWxfd29yayhzdHJ1Y3QgZHJt X2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCj4+ICAgIHNwaW5fdW5sb2NrX2lycSgmZGV2X3ByaXYt PmlycV9sb2NrKTsKPj4gCj4+ICAgIGNhbmNlbF93b3JrX3N5bmMoJmRldl9wcml2LT5ob3RwbHVn LmRpZ19wb3J0X3dvcmspOwo+PiAtICAgIGNhbmNlbF93b3JrX3N5bmMoJmRldl9wcml2LT5ob3Rw bHVnLmhvdHBsdWdfd29yayk7Cj4+ICsgICAgY2FuY2VsX2RlbGF5ZWRfd29ya19zeW5jKCZkZXZf cHJpdi0+aG90cGx1Zy5ob3RwbHVnX3dvcmspOwo+PiAgICBjYW5jZWxfZGVsYXllZF93b3JrX3N5 bmMoJmRldl9wcml2LT5ob3RwbHVnLnJlZW5hYmxlX3dvcmspOwo+PiB9Cj4+IAo+PiBkaWZmIC0t Z2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaCBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfZHJ2LmgKPj4gaW5kZXggNjExZmJkODZjMWNjLi5hOGE5OWY2NTg3NzIgMTAwNjQ0 Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKPj4gKysrIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaAo+PiBAQCAtMjIxLDcgKzIyMSw3IEBAIGVudW0gaHBk X3BpbiB7Cj4+ICAgIGZvciAoKF9fcGluKSA9IChIUERfTk9ORSArIDEpOyAoX19waW4pIDwgSFBE X05VTV9QSU5TOyAoX19waW4pKyspCj4+IAo+PiBzdHJ1Y3QgaTkxNV9ob3RwbHVnIHsKPj4gLSAg ICBzdHJ1Y3Qgd29ya19zdHJ1Y3QgaG90cGx1Z193b3JrOwo+PiArICAgIHN0cnVjdCBkZWxheWVk X3dvcmsgaG90cGx1Z193b3JrOwo+PiAKPj4gICAgc3RydWN0IHsKPj4gICAgICAgIHVuc2lnbmVk IGxvbmcgbGFzdF9qaWZmaWVzOwo+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUv aTkxNV9pcnEuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMKPj4gaW5kZXggNTZk YjllNzQ3NDY0Li5iYWI2N2MyNzljMjIgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfaXJxLmMKPj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYwo+ PiBAQCAtODI4LDYgKzgyOCw4IEBAIHN0YXRpYyBib29sIGludGVsX2hwZF9pcnFfZXZlbnQoc3Ry dWN0IGRybV9kZXZpY2UgKmRldiwKPj4gICAgcmV0dXJuIHRydWU7Cj4+IH0KPj4gCj4+ICsjZGVm aW5lIEhPVFBMVUdfREVMQVlfTVMgICAgNDAwCj4+ICsKPj4gc3RhdGljIHZvaWQgaTkxNV9kaWdw b3J0X3dvcmtfZnVuYyhzdHJ1Y3Qgd29ya19zdHJ1Y3QgKndvcmspCj4+IHsKPj4gICAgc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0KPj4gQEAgLTg3Miw3ICs4NzQsOCBAQCBzdGF0 aWMgdm9pZCBpOTE1X2RpZ3BvcnRfd29ya19mdW5jKHN0cnVjdCB3b3JrX3N0cnVjdCAqd29yaykK Pj4gICAgICAgIHNwaW5fbG9ja19pcnEoJmRldl9wcml2LT5pcnFfbG9jayk7Cj4+ICAgICAgICBk ZXZfcHJpdi0+aG90cGx1Zy5ldmVudF9iaXRzIHw9IG9sZF9iaXRzOwo+PiAgICAgICAgc3Bpbl91 bmxvY2tfaXJxKCZkZXZfcHJpdi0+aXJxX2xvY2spOwo+PiAtICAgICAgICBzY2hlZHVsZV93b3Jr KCZkZXZfcHJpdi0+aG90cGx1Zy5ob3RwbHVnX3dvcmspOwo+PiArICAgICAgICBtb2RfZGVsYXll ZF93b3JrKHN5c3RlbV93cSwgJmRldl9wcml2LT5ob3RwbHVnLmhvdHBsdWdfd29yaywKPj4gKyAg ICAgICAgICAgICAgICAgbXNlY3NfdG9famlmZmllcyhIT1RQTFVHX0RFTEFZX01TKSk7Cj4+ICAg IH0KPj4gfQo+PiAKPj4gQEAgLTg4NCw3ICs4ODcsNyBAQCBzdGF0aWMgdm9pZCBpOTE1X2RpZ3Bv cnRfd29ya19mdW5jKHN0cnVjdCB3b3JrX3N0cnVjdCAqd29yaykKPj4gc3RhdGljIHZvaWQgaTkx NV9ob3RwbHVnX3dvcmtfZnVuYyhzdHJ1Y3Qgd29ya19zdHJ1Y3QgKndvcmspCj4+IHsKPj4gICAg c3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0KPj4gLSAgICAgICAgY29udGFpbmVy X29mKHdvcmssIHN0cnVjdCBkcm1faTkxNV9wcml2YXRlLCBob3RwbHVnLmhvdHBsdWdfd29yayk7 Cj4+ICsgICAgICAgIGNvbnRhaW5lcl9vZih3b3JrLCBzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSwg aG90cGx1Zy5ob3RwbHVnX3dvcmsud29yayk7Cj4+ICAgIHN0cnVjdCBkcm1fZGV2aWNlICpkZXYg PSBkZXZfcHJpdi0+ZGV2Owo+PiAgICBzdHJ1Y3QgZHJtX21vZGVfY29uZmlnICptb2RlX2NvbmZp ZyA9ICZkZXYtPm1vZGVfY29uZmlnOwo+PiAgICBzdHJ1Y3QgaW50ZWxfY29ubmVjdG9yICppbnRl bF9jb25uZWN0b3I7Cj4+IEBAIC0xNjAxLDcgKzE2MDQsOCBAQCBzdGF0aWMgdm9pZCBpbnRlbF9o cGRfaXJxX2hhbmRsZXIoc3RydWN0IGRybV9kZXZpY2UgKmRldiwKPj4gICAgaWYgKHF1ZXVlX2Rp ZykKPj4gICAgICAgIHF1ZXVlX3dvcmsoZGV2X3ByaXYtPmhvdHBsdWcuZHBfd3EsICZkZXZfcHJp di0+aG90cGx1Zy5kaWdfcG9ydF93b3JrKTsKPj4gICAgaWYgKHF1ZXVlX2hwKQo+PiAtICAgICAg ICBzY2hlZHVsZV93b3JrKCZkZXZfcHJpdi0+aG90cGx1Zy5ob3RwbHVnX3dvcmspOwo+PiArICAg ICAgICBtb2RfZGVsYXllZF93b3JrKHN5c3RlbV93cSwgJmRldl9wcml2LT5ob3RwbHVnLmhvdHBs dWdfd29yaywKPj4gKyAgICAgICAgICAgICAgICAgbXNlY3NfdG9famlmZmllcyhIT1RQTFVHX0RF TEFZX01TKSk7Cj4+IH0KPj4gCj4+IHN0YXRpYyB2b2lkIGdtYnVzX2lycV9oYW5kbGVyKHN0cnVj dCBkcm1fZGV2aWNlICpkZXYpCj4+IEBAIC00Mzk3LDcgKzQ0MDEsNyBAQCB2b2lkIGludGVsX2ly cV9pbml0KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKPj4gewo+PiAgICBzdHJ1 Y3QgZHJtX2RldmljZSAqZGV2ID0gZGV2X3ByaXYtPmRldjsKPj4gCj4+IC0gICAgSU5JVF9XT1JL KCZkZXZfcHJpdi0+aG90cGx1Zy5ob3RwbHVnX3dvcmssIGk5MTVfaG90cGx1Z193b3JrX2Z1bmMp Owo+PiArICAgIElOSVRfREVMQVlFRF9XT1JLKCZkZXZfcHJpdi0+aG90cGx1Zy5ob3RwbHVnX3dv cmssIGk5MTVfaG90cGx1Z193b3JrX2Z1bmMpOwo+PiAgICBJTklUX1dPUksoJmRldl9wcml2LT5o b3RwbHVnLmRpZ19wb3J0X3dvcmssIGk5MTVfZGlncG9ydF93b3JrX2Z1bmMpOwo+PiAgICBJTklU X1dPUksoJmRldl9wcml2LT5ycHMud29yaywgZ2VuNl9wbV9ycHNfd29yayk7Cj4+ICAgIElOSVRf V09SSygmZGV2X3ByaXYtPmwzX3Bhcml0eS5lcnJvcl93b3JrLCBpdnlicmlkZ2VfcGFyaXR5X3dv cmspOwo+PiAtLSAKPj4gMi4xLjQKPj4gCgotLSAKSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291 cmNlIFRlY2hub2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4Cg==