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spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8617A6EA50; Mon, 19 Oct 2020 19:28:37 +0000 (UTC) X-Greylist: delayed 309 seconds by postgrey-1.36 at gabe; Mon, 19 Oct 2020 03:49:17 UTC Received: from smtphy.263.net (syd-smtp02.263.net [13.237.61.158]) by gabe.freedesktop.org (Postfix) with ESMTPS id ECBC26E5BD for ; Mon, 19 Oct 2020 03:49:17 +0000 (UTC) Received: from smtp.263.net (unknown [211.157.147.163]) by smtphy.263.net (Postfix) with ESMTPS id 7693812017C for ; Mon, 19 Oct 2020 11:44:04 +0800 (CST) Received: from regular1.263xmail.com (unknown [192.168.165.185]) by smtp.263.net (Postfix) with ESMTP id 2D65D245 for ; Mon, 19 Oct 2020 11:44:02 +0800 (CST) Received: from localhost (unknown [192.168.167.13]) by regular1.263xmail.com (Postfix) with ESMTP id E2E2B2BA; Mon, 19 Oct 2020 11:43:56 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-ANTISPAM-LEVEL: 2 X-SKE-CHECKED: 1 X-ABS-CHECKED: 1 Received: from [172.16.12.120] (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P1665T140084967511808S1603079033410318_; Mon, 19 Oct 2020 11:43:54 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: kever.yang@rock-chips.com X-SENDER: yk@rock-chips.com X-LOGIN-NAME: kever.yang@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 X-System-Flag: 0 Subject: Re: [PATCH v2] drm/of: Consider the state in which the ep is disabled To: Sandy Huang , heiko@sntech.de, Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , huangtao@rock-chips.com, andy.yan@rock-chips.com, linux-rockchip@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20200707112526.18438-1-hjc@rock-chips.com> <5c0cdb9d-8e35-fa0c-35b3-adfa7770fb30@rock-chips.com> <20201015152301.GE438822@phenom.ffwll.local> From: Kever Yang Message-ID: Date: Mon, 19 Oct 2020 11:43:53 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201015152301.GE438822@phenom.ffwll.local> Content-Language: en-US X-Mailman-Approved-At: Mon, 19 Oct 2020 19:28:29 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" SGkgRGFuaWVsLAoKT24gMjAyMC8xMC8xNSDkuIvljYgxMToyMywgRGFuaWVsIFZldHRlciB3cm90 ZToKPiBPbiBXZWQsIE9jdCAxNCwgMjAyMCBhdCAwOTo0ODo0M0FNICswODAwLCBLZXZlciBZYW5n IHdyb3RlOgo+PiBIaSBNYWludGFpbmVycywKPj4KPj4gIMKgwqDCoCBEb2VzIHRoaXMgcGF0Y2gg cmVhZHkgdG8gbWVyZ2U/Cj4gV291bGQgbWF5YmUgYmUgZ29vZCB0byBnZXQgc29tZSBhY2tzIGZy b20gb3RoZXIgZHJpdmVycyB1c2luZyB0aGlzLCB0aGVuCj4gU2FuZHkgY2FuIHB1c2ggdG8gZHJt LW1pc2MtbmV4dC4KClRoYW5rcyBmb3IgeW91ciByZXBseSwgSSBjYW4gdW5kZXJzdGFuZCBtb3Jl ICdhY2tzJyB3aWxsIGJlIGJldHRlciwgYnV0IAp0aGVyZSBpcyBubyBjb21tZW50cyBvYmplY3Qg dG8gdGhpcyBwYXRjaAoKb3IgYW55ICdOQUsnIGNvbW1vbiBmb3IgbW9yZSB0aGVuIDMgbW9udGhz LCBtYWludGFpbmVycyBzaG91bGQgbW92ZSB0byAKbmV4dCBzdGVwLgoKClRoYW5rcywKCi0gS2V2 ZXIKCj4gLURhbmllbAo+PiBPbiAyMDIwLzcvNyDkuIvljYg3OjI1LCBTYW5keSBIdWFuZyB3cm90 ZToKPj4+IGRvbid0IG1hc2sgcG9zc2libGVfY3J0Y3MgaWYgcmVtb3RlLXBvaW50IGlzIGRpc2Fi bGVkLgo+Pj4KPj4+IFNpZ25lZC1vZmYtYnk6IFNhbmR5IEh1YW5nIDxoamNAcm9jay1jaGlwcy5j b20+Cj4+PiAtLS0KPj4+ICAgIGRyaXZlcnMvZ3B1L2RybS9kcm1fb2YuYyB8IDMgKysrCj4+PiAg ICAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspCj4+Pgo+Pj4gZGlmZiAtLWdpdCBhL2Ry aXZlcnMvZ3B1L2RybS9kcm1fb2YuYyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fb2YuYwo+Pj4gaW5k ZXggZmRiMDVmYmY3MmEwLi41NjVmMDVmNWYxMWIgMTAwNjQ0Cj4+PiAtLS0gYS9kcml2ZXJzL2dw dS9kcm0vZHJtX29mLmMKPj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fb2YuYwo+Pj4gQEAg LTY2LDYgKzY2LDkgQEAgdWludDMyX3QgZHJtX29mX2ZpbmRfcG9zc2libGVfY3J0Y3Moc3RydWN0 IGRybV9kZXZpY2UgKmRldiwKPj4+ICAgIAl1aW50MzJfdCBwb3NzaWJsZV9jcnRjcyA9IDA7Cj4+ PiAgICAJZm9yX2VhY2hfZW5kcG9pbnRfb2Zfbm9kZShwb3J0LCBlcCkgewo+Pj4gKwkJaWYgKCFv Zl9kZXZpY2VfaXNfYXZhaWxhYmxlKGVwKSkKPj4+ICsJCQljb250aW51ZTsKPj4+ICsKPj4+ICAg IAkJcmVtb3RlX3BvcnQgPSBvZl9ncmFwaF9nZXRfcmVtb3RlX3BvcnQoZXApOwo+Pj4gICAgCQlp ZiAoIXJlbW90ZV9wb3J0KSB7Cj4+PiAgICAJCQlvZl9ub2RlX3B1dChlcCk7Cj4+IExvb2tzIGdv b2QgdG8gbWUuCj4+Cj4+Cj4+IFJldmlld2VkLWJ5OiBLZXZlciBZYW5nIDxrZXZlci55YW5nQHJv Y2stY2hpcHMuY29tPgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1k ZXZlbAo=