From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915/dsi: Do not read the transcoder register. Date: Tue, 19 Nov 2019 17:53:10 +0200 Message-ID: <87mucryiah.fsf@intel.com> References: <20191119072004.4093-1-vandita.kulkarni@intel.com> 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 2CCF26E8BF for ; Tue, 19 Nov 2019 15:53:16 +0000 (UTC) In-Reply-To: <20191119072004.4093-1-vandita.kulkarni@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Vandita Kulkarni , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCAxOSBOb3YgMjAxOSwgVmFuZGl0YSBLdWxrYXJuaSA8dmFuZGl0YS5rdWxrYXJuaUBp bnRlbC5jb20+IHdyb3RlOgo+IEFzIHBlciB0aGUgQnNwZWMsIHBvcnQgbWFwcGluZyBpcyBmaXhl ZCBmb3IgbWlwaSBkc2kuCj4KPiB2MjogUmV1c2UgdGhlIGV4aXN0aW5nIGZ1bmN0aW9uIChKYW5p KQo+Cj4gU2lnbmVkLW9mZi1ieTogVmFuZGl0YSBLdWxrYXJuaSA8dmFuZGl0YS5rdWxrYXJuaUBp bnRlbC5jb20+CgpQdXNoZWQsIHRoYW5rcyBmb3IgdGhlIHBhdGNoLgoKQlIsCkphbmkuCgo+IC0t LQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2Rpc3BsYXkuYyB8IDE3ICsr KysrKysrKysrLS0tLS0tCj4gIDEgZmlsZSBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspLCA2IGRl bGV0aW9ucygtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkv aW50ZWxfZGlzcGxheS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kaXNw bGF5LmMKPiBpbmRleCAyM2YwMGE2NTE3MzguLmRjY2I5NGIyNGQxNCAxMDA2NDQKPiAtLS0gYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2Rpc3BsYXkuYwo+ICsrKyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfZGlzcGxheS5jCj4gQEAgLTEwNTc3LDE2ICsx MDU3NywyMSBAQCBzdGF0aWMgdm9pZCBoYXN3ZWxsX2dldF9kZGlfcG9ydF9zdGF0ZShzdHJ1Y3Qg aW50ZWxfY3J0YyAqY3J0YywKPiAgCQkJCSAgICAgICBzdHJ1Y3QgaW50ZWxfY3J0Y19zdGF0ZSAq cGlwZV9jb25maWcpCj4gIHsKPiAgCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiA9 IHRvX2k5MTUoY3J0Yy0+YmFzZS5kZXYpOwo+ICsJZW51bSB0cmFuc2NvZGVyIGNwdV90cmFuc2Nv ZGVyID0gcGlwZV9jb25maWctPmNwdV90cmFuc2NvZGVyOwo+ICAJc3RydWN0IGludGVsX3NoYXJl ZF9kcGxsICpwbGw7Cj4gIAllbnVtIHBvcnQgcG9ydDsKPiAgCXUzMiB0bXA7Cj4gIAo+IC0JdG1w ID0gSTkxNV9SRUFEKFRSQU5TX0RESV9GVU5DX0NUTChwaXBlX2NvbmZpZy0+Y3B1X3RyYW5zY29k ZXIpKTsKPiAtCj4gLQlpZiAoSU5URUxfR0VOKGRldl9wcml2KSA+PSAxMikKPiAtCQlwb3J0ID0g VEdMX1RSQU5TX0RESV9GVU5DX0NUTF9WQUxfVE9fUE9SVCh0bXApOwo+IC0JZWxzZQo+IC0JCXBv cnQgPSBUUkFOU19ERElfRlVOQ19DVExfVkFMX1RPX1BPUlQodG1wKTsKPiArCWlmICh0cmFuc2Nv ZGVyX2lzX2RzaShjcHVfdHJhbnNjb2RlcikpIHsKPiArCQlwb3J0ID0gKGNwdV90cmFuc2NvZGVy ID09IFRSQU5TQ09ERVJfRFNJX0EpID8KPiArCQkJCQkJUE9SVF9BIDogUE9SVF9COwo+ICsJfSBl bHNlIHsKPiArCQl0bXAgPSBJOTE1X1JFQUQoVFJBTlNfRERJX0ZVTkNfQ1RMKGNwdV90cmFuc2Nv ZGVyKSk7Cj4gKwkJaWYgKElOVEVMX0dFTihkZXZfcHJpdikgPj0gMTIpCj4gKwkJCXBvcnQgPSBU R0xfVFJBTlNfRERJX0ZVTkNfQ1RMX1ZBTF9UT19QT1JUKHRtcCk7Cj4gKwkJZWxzZQo+ICsJCQlw b3J0ID0gVFJBTlNfRERJX0ZVTkNfQ1RMX1ZBTF9UT19QT1JUKHRtcCk7Cj4gKwl9Cj4gIAo+ICAJ aWYgKElOVEVMX0dFTihkZXZfcHJpdikgPj0gMTEpCj4gIAkJaWNlbGFrZV9nZXRfZGRpX3BsbChk ZXZfcHJpdiwgcG9ydCwgcGlwZV9jb25maWcpOwoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVu IFNvdXJjZSBHcmFwaGljcyBDZW50ZXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vaW50ZWwtZ2Z4 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 43B60C432C0 for ; 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19 Nov 2019 07:53:15 -0800 X-IronPort-AV: E=Sophos;i="5.69,324,1571727600"; d="scan'208";a="200391591" Received: from jnikula-mobl3.fi.intel.com (HELO localhost) ([10.237.66.161]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Nov 2019 07:53:13 -0800 From: Jani Nikula To: Vandita Kulkarni , intel-gfx@lists.freedesktop.org In-Reply-To: <20191119072004.4093-1-vandita.kulkarni@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20191119072004.4093-1-vandita.kulkarni@intel.com> Date: Tue, 19 Nov 2019 17:53:10 +0200 Message-ID: <87mucryiah.fsf@intel.com> MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH] drm/i915/dsi: Do not read the transcoder register. X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Message-ID: <20191119155310.mmZxSXV-yVUUJI1xQTJQQlY8-hL3edByjaiog-vHf4g@z> T24gVHVlLCAxOSBOb3YgMjAxOSwgVmFuZGl0YSBLdWxrYXJuaSA8dmFuZGl0YS5rdWxrYXJuaUBp bnRlbC5jb20+IHdyb3RlOgo+IEFzIHBlciB0aGUgQnNwZWMsIHBvcnQgbWFwcGluZyBpcyBmaXhl ZCBmb3IgbWlwaSBkc2kuCj4KPiB2MjogUmV1c2UgdGhlIGV4aXN0aW5nIGZ1bmN0aW9uIChKYW5p KQo+Cj4gU2lnbmVkLW9mZi1ieTogVmFuZGl0YSBLdWxrYXJuaSA8dmFuZGl0YS5rdWxrYXJuaUBp bnRlbC5jb20+CgpQdXNoZWQsIHRoYW5rcyBmb3IgdGhlIHBhdGNoLgoKQlIsCkphbmkuCgo+IC0t LQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2Rpc3BsYXkuYyB8IDE3ICsr KysrKysrKysrLS0tLS0tCj4gIDEgZmlsZSBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspLCA2IGRl bGV0aW9ucygtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkv aW50ZWxfZGlzcGxheS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kaXNw bGF5LmMKPiBpbmRleCAyM2YwMGE2NTE3MzguLmRjY2I5NGIyNGQxNCAxMDA2NDQKPiAtLS0gYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2Rpc3BsYXkuYwo+ICsrKyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfZGlzcGxheS5jCj4gQEAgLTEwNTc3LDE2ICsx MDU3NywyMSBAQCBzdGF0aWMgdm9pZCBoYXN3ZWxsX2dldF9kZGlfcG9ydF9zdGF0ZShzdHJ1Y3Qg aW50ZWxfY3J0YyAqY3J0YywKPiAgCQkJCSAgICAgICBzdHJ1Y3QgaW50ZWxfY3J0Y19zdGF0ZSAq cGlwZV9jb25maWcpCj4gIHsKPiAgCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiA9 IHRvX2k5MTUoY3J0Yy0+YmFzZS5kZXYpOwo+ICsJZW51bSB0cmFuc2NvZGVyIGNwdV90cmFuc2Nv ZGVyID0gcGlwZV9jb25maWctPmNwdV90cmFuc2NvZGVyOwo+ICAJc3RydWN0IGludGVsX3NoYXJl ZF9kcGxsICpwbGw7Cj4gIAllbnVtIHBvcnQgcG9ydDsKPiAgCXUzMiB0bXA7Cj4gIAo+IC0JdG1w ID0gSTkxNV9SRUFEKFRSQU5TX0RESV9GVU5DX0NUTChwaXBlX2NvbmZpZy0+Y3B1X3RyYW5zY29k ZXIpKTsKPiAtCj4gLQlpZiAoSU5URUxfR0VOKGRldl9wcml2KSA+PSAxMikKPiAtCQlwb3J0ID0g VEdMX1RSQU5TX0RESV9GVU5DX0NUTF9WQUxfVE9fUE9SVCh0bXApOwo+IC0JZWxzZQo+IC0JCXBv cnQgPSBUUkFOU19ERElfRlVOQ19DVExfVkFMX1RPX1BPUlQodG1wKTsKPiArCWlmICh0cmFuc2Nv ZGVyX2lzX2RzaShjcHVfdHJhbnNjb2RlcikpIHsKPiArCQlwb3J0ID0gKGNwdV90cmFuc2NvZGVy ID09IFRSQU5TQ09ERVJfRFNJX0EpID8KPiArCQkJCQkJUE9SVF9BIDogUE9SVF9COwo+ICsJfSBl bHNlIHsKPiArCQl0bXAgPSBJOTE1X1JFQUQoVFJBTlNfRERJX0ZVTkNfQ1RMKGNwdV90cmFuc2Nv ZGVyKSk7Cj4gKwkJaWYgKElOVEVMX0dFTihkZXZfcHJpdikgPj0gMTIpCj4gKwkJCXBvcnQgPSBU R0xfVFJBTlNfRERJX0ZVTkNfQ1RMX1ZBTF9UT19QT1JUKHRtcCk7Cj4gKwkJZWxzZQo+ICsJCQlw b3J0ID0gVFJBTlNfRERJX0ZVTkNfQ1RMX1ZBTF9UT19QT1JUKHRtcCk7Cj4gKwl9Cj4gIAo+ICAJ aWYgKElOVEVMX0dFTihkZXZfcHJpdikgPj0gMTEpCj4gIAkJaWNlbGFrZV9nZXRfZGRpX3BsbChk ZXZfcHJpdiwgcG9ydCwgcGlwZV9jb25maWcpOwoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVu IFNvdXJjZSBHcmFwaGljcyBDZW50ZXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vaW50ZWwtZ2Z4