From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guang Bai Subject: Re: [PATCH] drm/i915: Fix the HDMI hot plug disconnection failure (v4) Date: Wed, 2 Jan 2019 09:34:43 -0800 Message-ID: <20190102093443.04f25030@gbai-ub1604-LTS> References: <154344114433.11623.8778228183095492042@skylake-alporthouse-com> <1543455469-3303-1-git-send-email-guang.bai@intel.com> <87a7ls9u1e.fsf@intel.com> <20181129090114.5681d221@gbai-ub1604-LTS> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 80CBF6E4FD for ; Wed, 2 Jan 2019 17:50:39 +0000 (UTC) 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: Chris Chiu Cc: Jani Nikula , intel-gfx@lists.freedesktop.org, Linux Upstreaming Team List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCAyIEphbiAyMDE5IDE3OjI5OjQ2ICswODAwCkNocmlzIENoaXUgPGNoaXVAZW5kbGVz c20uY29tPiB3cm90ZToKCj4gSGFwcHkgTmV3IFllYXIuCj4gU29ycnkgZm9yIGJvdGhlcmluZyB5 b3UgZ3V5cyBhZ2FpbiwgSSBkb24ndCByZWFsbHkgd2FudCB0byBtYWtlIG15c2VsZgo+IGEgbnVp c2FuY2UuCj4gSXMgdGhlcmUgYW55IGJldHRlciBpZGVhIGZvciBmaXhpbmcgdGhpcyBpc3N1ZT8K SSd2ZSBhbHJlYWR5IGJhY2sgcG9ydGVkIHRoaXMgY2hhbmdlIGludG8gdGhlIGtlcm5lbCA0LjE4 LjE3IGFuZCBzZW50Cml0IHRvIG91ciBjdXN0b21lciBmb3IgaW50ZWdyYXRpb24gdGVzdCAtIFNv IGZhciBzbyBnb29kLgpUaGFua3MsCi1HdWFuZwo+IAo+IENocmlzCj4gCj4gT24gTW9uLCBEZWMg MywgMjAxOCBhdCA2OjM4IFBNIENocmlzIENoaXUgPGNoaXVAZW5kbGVzc20uY29tPiB3cm90ZToK PiA+Cj4gPiBPbiBGcmksIE5vdiAzMCwgMjAxOCBhdCAxOjE1IEFNIEd1YW5nIEJhaSA8Z3Vhbmcu YmFpQGludGVsLmNvbT4KPiA+IHdyb3RlOiAgCj4gPiA+Cj4gPiA+IE9uIFRodSwgMjkgTm92IDIw MTggMTA6MTc6NDkgKzAyMDAKPiA+ID4gSmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNv bT4gd3JvdGU6Cj4gPiA+ICAKPiA+ID4gPiBPbiBXZWQsIDI4IE5vdiAyMDE4LCBHdWFuZyBCYWkg PGd1YW5nLmJhaUBpbnRlbC5jb20+IHdyb3RlOiAgCj4gPiA+ID4gPiBPbiBzb21lIEdFTjkgcGxh dGZvcm1zLCBzbG93bHkgdW5wbHVnZ2luZyAod2lnZ2xpbmcpIHRoZSBIRE1JCj4gPiA+ID4gPiBj YWJsZSBtYWtlcyB0aGUga2VybmVsIHRvIGJlbGlldmUgdGhlIEhETUkgZGlzcGxheSBpcyBzdGls bAo+ID4gPiA+ID4gY29ubmVjdGVkLiBUaGlzIGlzIGJlY2F1c2UgdGhlIEhETUkgRERDIGxpbmVz IGFyZQo+ID4gPiA+ID4gZGlzY29ubmVjdGVkIGEgbGl0dGxlIGJpdCBsYXRlciBhZnRlciB0aGUg aG90LXBsdWcgaW50ZXJydXB0Cj4gPiA+ID4gPiB0cmlnZ2VyZWQgdGh1cyBhbiBpbW1lZGlhdGUg ZWRpZCBmZXRjaCBjYW4gYmUgbWFkZS4gVGhpcwo+ID4gPiA+ID4gcHJvYmxlbSBoYXMgYmVlbiBp ZGVudGlmaWVkIGJ5IG1vcmUgdGhhbiBvbmUgY3VzdG9tZXIKPiA+ID4gPiA+IHJlY2VudGx5LiBV c2UgZGlnaXRhbCBwb3J0IGxpdmUgc3RhdGVzIHRvIGF1dGhvcml6ZSB0aGUgZWRpZAo+ID4gPiA+ ID4gcmVhZCBhdCBIRE1JIGRldGVjdGlvbiBwb2ludCB3aWxsIGVuc3VyZSBtb3N0IG9mIHRoZSBk aXNwbGF5Cj4gPiA+ID4gPiByZWxhdGVkIHNvZnR3YXJlIHN0YXRlcyB1cGRhdGVkIGFuZCByZXN0 IG9mIHRoZW0gd2lsbCBiZQo+ID4gPiA+ID4gcmVuZXdlZCBhY2NvcmRpbmdseSB3aGVuIHRoZSBw b3J0IGlzIGNvbm5lY3RlZC4KPiA+ID4gPiA+Cj4gPiA+ID4gPiB2MjogRml4IHRoZSBmb3JtYXR0 aW5nIGlzc3VlCj4gPiA+ID4gPiB2MzogVXNlIGRpZ2l0YWwgcG9ydCBzdGF0ZXMgdG8gYXV0aG9y aXplIHRoZSBlZGlkIHJlYWQKPiA+ID4gPiA+IHY0OiBBZGQgY29tbWVudHMgb24gaXNzdWUgaGlz dG9yaWVzIGFuZCByYXRpb25hbGUgb2YgdGhlIGZpeAo+ID4gPiA+ID4gKENocmlzIFcpICAKPiA+ ID4gPgo+ID4gPiA+IFlvdSdyZSBub3QgYW5zd2VyaW5nIENocmlzIFdpbHNvbidzIHF1ZXN0aW9u Lgo+ID4gPiA+Cj4gPiA+ID4gV2h5IGRvIHlvdSB0aGluayB0aGUgcHJvYmxlbXMgd2UndmUgaGlz dG9yaWNhbGx5IGhhZCB3aXRoIGxpdmUKPiA+ID4gPiBzdGF0dXMgYXJlIG5vIGxvbmdlciBhIHBy b2JsZW0/IFdlJ3ZlIHRyaWVkIGFuZCByZXZlcnRlZCBsaXZlCj4gPiA+ID4gc3RhdHVzIGNoZWNr cyBhdCBsZWFzdCB0d2ljZSBiZWZvcmUgYmVjYXVzZSBvZiByZWdyZXNzaW9ucy4gV2h5Cj4gPiA+ ID4gZG8geW91IHRoaW5rIHRoaXMgdGltZSB0aGVyZSB3b24ndCBiZSByZWdyZXNzaW9ucz8gV2h5 IGRvIHlvdQo+ID4gPiA+IHRoaW5rIHRoaXMgcGF0Y2ggbWFrZXMgZm9yd2FyZCBwcm9ncmVzcz8g IAo+ID4gPiBKYW5pLAo+ID4gPiBJJ20gc3RpbGwgbmV3IHRvIGtlcm5lbCBkZXZlbG9wbWVudHMg Y29tcGFyZWQgd2l0aCBhbGwgb2YgeW91Cj4gPiA+IHdvcmtpbmcgaW4gdGhpcyBhcmVhIGZvciBt YW55IHllYXJzIC0gSGF2ZW4ndCBnb3QgYW55IGZlZWRiYWNrcwo+ID4gPiBvbiBob3cgZXhhY3Rs eSB0aGUgSERNSSBsaXZlIHN0YXR1ZSAqbm90KiBmaXQgZm9yIEhETUkgaG90LXBsdWcKPiA+ID4g cmVsYXRlZCBwb3J0IHN0YXR1cyBjaGVja2luZywgbmVpdGhlciBoYWQgdGltZSB0byB0cmFjayBh bGwKPiA+ID4gdXBzdHJlYW0gYnVnemlsbGEsIHBsdXMgbm90IHdvcmtpbmcgZGlyZWN0bHkgd2l0 aCBJbnRlbCBPVEMgdGVhbXMKPiA+ID4gLSBXaGF0IGFyZSB0aG9zZSBmYWlsaW5nIGNhc2VzL3Jl Z3Jlc3Npb25zIHlvdSBtZW50aW9uZWQgYWJvdmU/Cj4gPiA+IC0gd2hhdCB3ZXJlIHRoZSBrZXJu ZWwgdmVyc2lvbnMgcmVsYXRlZCB3aXRoIHRob3NlIGRldmVsb3BtZW50cz8KPiA+ID4gLSBHaXZl biB0aGUgZmFjdCBpOTE1IGFyY2hpdGVjdHVyZSBhbmQgaW1wbGVtZW50YXRpb24gYXJlCj4gPiA+ IGNvbnN0YW50bHkgZXZvbHZpbmcgLSBTaG91bGQgd2UgcmUtdmlzaXQgdGhvc2UgaXNzdWVzIHdp dGgKPiA+ID4gY3VycmVudCBrZXJuZWwgaW1wbGVtZW50YXRpb24/Cj4gPiA+IC0gRnVuZGFtZW50 YWxseSwgZG8geW91IHRoaW5rIHRoZSBlZGlkIGZldGNoIGlzIHN0aWxsICp2YWxpZCoKPiA+ID4g d2hlbiB0aGUgSERNSSBpcyB1bnBsdWdnZWQgKHN0YXR1cyBlaXRoZXIgZnJvbSBQQ0ggb3IgREUp PyBPcgo+ID4gPiBvdGhlciBwbGF0Zm9ybSBjb25maWd1cmF0aW9ucyBtYXkgcHJlc2VudCBtb3Jl IGNvbXBsZXhpdGllcyBzdWNoCj4gPiA+IGFzIGt2bSBzd2l0Y2hlcyBhcmUgdXNlZCBhbG9uZyB3 aXRoIEhETUk/Cj4gPiA+IEFnYWluLCBpZiB5b3UgY291bGQgcHJvdmlkZSBtZSBtb3JlIGhpc3Rv cmljYWwgaXNzdWUgZGV0YWlscywgSSdkCj4gPiA+IGxpa2UgdG8gaGF2ZSBzb21lIHJldmlld3Mv cmUtaW52ZXN0aWdhdGlvbiBmb3IgdGhvc2UgY2FzZXMgd2l0aAo+ID4gPiBjdXJyZW50IDQuMjAg a2VybmVsLgo+ID4gPiBUaGFua3MsCj4gPiA+IC1HdWFuZyAgCj4gPgo+ID4gSGkgSmFuaSwKPiA+ ICAgICBJIGRvbid0IGtub3cgdGhlIGhpc3RvcnkgYW5kIHdoYXQga2luZCBvZiBwYWluZnVsIHJl Z3Jlc3Npb24KPiA+IHRoYXQgeW91IGhhZCBydW4gaW50by4gQ291bGQgeW91IG1heWJlIHByb3Zp ZGUgYSB0ZXN0IHBsYW4gb3Igc29tZQo+ID4gdGVzdCBjYXNlcyBmb3IgdGhlIHJlZ3Jlc3Npb24g dmVyaWZpY2F0aW9uPyBJIGNhbiBmb2xsb3cgc3RlcHMgdG8KPiA+IHRyeSB0byB2ZXJpZnkgd2hl dGhlciBpZiB0aGUgcGF0Y2ggY2FuIHdvcmsgb24gYWxsIGNhc2VzLgo+ID4KPiA+IENocmlzCj4g PiAgCj4gPiA+ID4KPiA+ID4gPiBJJ3ZlICpyZXBlYXRlZGx5KiBzYWlkIGZyb20gdGhlIGJlZ2lu bmluZyB0aGF0IEkgYW0gdmVyeQo+ID4gPiA+IHNjZXB0aWNhbCBvZiB1c2luZyBsaXZlIHN0YXR1 cyBiZWNhdXNlIHdlJ3ZlIGJlZW4gYnVybmVkIGJ5IGl0Cj4gPiA+ID4gc28gbWFueSB0aW1lcyBi ZWZvcmUuIEkgZG9uJ3QgbXVjaCBjYXJlIHRvIHJlcGVhdCB0aGlzIGFueW1vcmUuCj4gPiA+ID4K PiA+ID4gPgo+ID4gPiA+IEJSLAo+ID4gPiA+IEphbmkuCj4gPiA+ID4KPiA+ID4gPiAgCj4gPiA+ ID4gPgo+ID4gPiA+ID4gQ2M6IEphbmkgTmlrdWxhIDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+Cj4g PiA+ID4gPiBDYzogQ2hyaXMgQ2hpdSA8Y2hpdUBlbmRsZXNzbS5jb20+Cj4gPiA+ID4gPiBDYzog Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4gPiA+ID4gPiBTaWduZWQt b2ZmLWJ5OiBHdWFuZyBCYWkgPGd1YW5nLmJhaUBpbnRlbC5jb20+Cj4gPiA+ID4gPiAtLS0KPiA+ ID4gPiA+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZG1pLmMgfCAyICstCj4gPiA+ID4g PiAgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspLCAxIGRlbGV0aW9uKC0pCj4gPiA+ID4g Pgo+ID4gPiA+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2hkbWku Ywo+ID4gPiA+ID4gYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZG1pLmMgaW5kZXggZTJj NmEyYi4uOGNmN2M3OAo+ID4gPiA+ID4gMTAwNjQ0IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2hkbWkuYwo+ID4gPiA+ID4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf aGRtaS5jCj4gPiA+ID4gPiBAQCAtMTkyOSw3ICsxOTI5LDcgQEAgaW50ZWxfaGRtaV9kZXRlY3Qo c3RydWN0IGRybV9jb25uZWN0b3IKPiA+ID4gPiA+ICpjb25uZWN0b3IsIGJvb2wgZm9yY2UpCj4g PiA+ID4gPiAgICAgaW50ZWxfZGlzcGxheV9wb3dlcl9nZXQoZGV2X3ByaXYsIFBPV0VSX0RPTUFJ Tl9HTUJVUyk7Cj4gPiA+ID4gPgo+ID4gPiA+ID4gLSAgIGlmIChJU19JQ0VMQUtFKGRldl9wcml2 KSAmJgo+ID4gPiA+ID4gKyAgIGlmICgoSVNfSUNFTEFLRShkZXZfcHJpdikgfHwgSVNfR0VOOV9C QyhkZXZfcHJpdikpICYmCj4gPiA+ID4gPiAgICAgICAgICFpbnRlbF9kaWdpdGFsX3BvcnRfY29u bmVjdGVkKGVuY29kZXIpKQo+ID4gPiA+ID4gICAgICAgICAgICAgZ290byBvdXQ7ICAKPiA+ID4g PiAgCj4gPiA+ICAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9y ZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdm eAo=