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[209.85.219.170]) by smtp.gmail.com with ESMTPSA id k138sm16332960qke.60.2021.03.30.14.31.53 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Mar 2021 14:31:54 -0700 (PDT) Received: by mail-yb1-f170.google.com with SMTP id x189so18913589ybg.5 for ; Tue, 30 Mar 2021 14:31:53 -0700 (PDT) X-Received: by 2002:a25:3741:: with SMTP id e62mr265234yba.343.1617139913337; Tue, 30 Mar 2021 14:31:53 -0700 (PDT) MIME-Version: 1.0 References: <20210330025345.3980086-1-dianders@chromium.org> <20210329195255.v2.9.Ia7e9bb7cf6c51d960b9455fb0fa447cc68ece99d@changeid> In-Reply-To: From: Doug Anderson Date: Tue, 30 Mar 2021 14:31:41 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2 09/14] drm/edid: Use the cached EDID in drm_get_edid() if eDP To: =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= 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: , Cc: Rob Clark , Jernej Skrabec , Jonas Karlman , David Airlie , linux-arm-msm , Neil Armstrong , LKML , dri-devel , Stephen Boyd , Stanislav Lisovskiy , Andrzej Hajda , Laurent Pinchart , Thomas Zimmermann , Bjorn Andersson , Sam Ravnborg , Steev Klimaszewski Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" SGksCgpPbiBUdWUsIE1hciAzMCwgMjAyMSBhdCA3OjAxIEFNIFZpbGxlIFN5cmrDpGzDpAo8dmls bGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+IHdyb3RlOgo+Cj4gPiBAQCAtMjA0OSwxNSArMjA0 OSwzOSBAQCBzdHJ1Y3QgZWRpZCAqZHJtX2dldF9lZGlkKHN0cnVjdCBkcm1fY29ubmVjdG9yICpj b25uZWN0b3IsCj4gPiAgICAgICAgICAgICAgICAgICAgICAgICBzdHJ1Y3QgaTJjX2FkYXB0ZXIg KmFkYXB0ZXIpCj4gPiAgewo+ID4gICAgICAgc3RydWN0IGVkaWQgKmVkaWQ7Cj4gPiArICAgICBz aXplX3Qgb2xkX2VkaWRfc2l6ZTsKPiA+ICsgICAgIGNvbnN0IHN0cnVjdCBlZGlkICpvbGRfZWRp ZDsKPiA+Cj4gPiAgICAgICBpZiAoY29ubmVjdG9yLT5mb3JjZSA9PSBEUk1fRk9SQ0VfT0ZGKQo+ ID4gICAgICAgICAgICAgICByZXR1cm4gTlVMTDsKPiA+Cj4gPiAtICAgICBpZiAoY29ubmVjdG9y LT5mb3JjZSA9PSBEUk1fRk9SQ0VfVU5TUEVDSUZJRUQgJiYgIWRybV9wcm9iZV9kZGMoYWRhcHRl cikpCj4gPiAtICAgICAgICAgICAgIHJldHVybiBOVUxMOwo+ID4gKyAgICAgaWYgKGNvbm5lY3Rv ci0+Y29ubmVjdG9yX3R5cGUgPT0gRFJNX01PREVfQ09OTkVDVE9SX2VEUCAmJgo+ID4gKyAgICAg ICAgIGNvbm5lY3Rvci0+ZWRpZF9ibG9iX3B0cikgewo+ID4gKyAgICAgICAgICAgICAvKgo+ID4g KyAgICAgICAgICAgICAgKiBlRFAgZGV2aWNlcyBhcmUgbm9uLXJlbW92YWJsZSwgb3IgYXQgbGVh c3Qgbm90IHNvbWV0aGluZwo+ID4gKyAgICAgICAgICAgICAgKiB0aGF0J3MgZXhwZWN0ZWQgdG8g YmUgaG90LXBsdWdnYWJsZS4gV2UgY2FuIGZyZWVseSB1c2UKPiA+ICsgICAgICAgICAgICAgICog dGhlIGNhY2hlZCBFRElELgo+ID4gKyAgICAgICAgICAgICAgKgo+ID4gKyAgICAgICAgICAgICAg KiBOT1RFOiB0ZWNobmljYWxseSB3ZSBjb3VsZCBwcm9iYWJseSBldmVuIHVzZSB0aGUgY2FjaGVk Cj4gPiArICAgICAgICAgICAgICAqIEVESUQgZXZlbiBmb3Igbm9uLWVEUCBiZWNhdXNlIHRoZSBj YWNoZWQgRURJRCBzaG91bGQgYmUKPiA+ICsgICAgICAgICAgICAgICogY2xlYXJlZCBpZiB3ZSBl dmVyIG5vdGljZSBhIGRpc3BsYXkgaXMgbm90IGNvbm5lY3RlZCwgYnV0Cj4gPiArICAgICAgICAg ICAgICAqIHdlJ2xsIHVzZSBhbiBhYnVuZGFuY2Ugb2YgY2F1dGlvbiBhbmQgb25seSBkbyBpdCBm b3IgZURQLgo+ID4gKyAgICAgICAgICAgICAgKiBJdCdzIG1vcmUgaW1wb3J0YW50IGZvciBlRFAg YW55d2F5IGJlY2F1c2UgdGhlIEVESUQgbWF5IG5vdAo+ID4gKyAgICAgICAgICAgICAgKiBhbHdh eXMgYmUgcmVhZGFibGUsIGxpa2Ugd2hlbiB0aGUgcGFuZWwgaXMgcG93ZXJlZCBkb3duLgo+ID4g KyAgICAgICAgICAgICAgKi8KPiA+ICsgICAgICAgICAgICAgb2xkX2VkaWQgPSAoY29uc3Qgc3Ry dWN0IGVkaWQgKiljb25uZWN0b3ItPmVkaWRfYmxvYl9wdHItPmRhdGE7Cj4gPiArICAgICAgICAg ICAgIG9sZF9lZGlkX3NpemUgPSBrc2l6ZShvbGRfZWRpZCk7Cj4gPiArICAgICAgICAgICAgIGVk aWQgPSBrbWFsbG9jKG9sZF9lZGlkX3NpemUsIEdGUF9LRVJORUwpOwo+ID4gKyAgICAgICAgICAg ICBpZiAoZWRpZCkKPiA+ICsgICAgICAgICAgICAgICAgICAgICBtZW1jcHkoZWRpZCwgb2xkX2Vk aWQsIG9sZF9lZGlkX3NpemUpOwo+ID4gKyAgICAgfSBlbHNlIHsKPiA+ICsgICAgICAgICAgICAg aWYgKGNvbm5lY3Rvci0+Zm9yY2UgPT0gRFJNX0ZPUkNFX1VOU1BFQ0lGSUVEICYmICFkcm1fcHJv YmVfZGRjKGFkYXB0ZXIpKQo+ID4gKyAgICAgICAgICAgICAgICAgICAgIHJldHVybiBOVUxMOwo+ ID4gKwo+ID4gKyAgICAgICAgICAgICBlZGlkID0gZHJtX2RvX2dldF9lZGlkKGNvbm5lY3Rvciwg ZHJtX2RvX3Byb2JlX2RkY19lZGlkLCBhZGFwdGVyKTsKPiA+ICsgICAgICAgICAgICAgZHJtX2Nv bm5lY3Rvcl91cGRhdGVfZWRpZF9wcm9wZXJ0eShjb25uZWN0b3IsIGVkaWQpOwo+ID4gKyAgICAg fQo+Cj4gVGhpcyBpcyBhIHByZXR0eSBsb3cgbGV2ZWwgZnVuY3Rpb24uIFRvbyBsb3cgbGV2ZWwg Zm9yIHRoaXMgY2FjaGluZwo+IElNTy4gU28gSSB0aGluayBiZXR0ZXIganVzdCBkbyBpdCBhIGJp dCBoaWdoZXIgdXAgbGlrZSBvdGhlciBkcml2ZXJzLgoKRmFpciBlbm91Z2guIEluIHRoZSBwYXN0 IEknZCBnb3R0ZW4gZmVlZGJhY2sgdGhhdCBJJ2QgYmVlbiBqYW1taW5nIHRvbwptdWNoIHN0dWZm IGluIG15IG93biBkcml2ZXIgaW5zdGVhZCBvZiBwdXR0aW5nIGl0IGluIHRoZSBjb3JlLCBidXQg SSdtCmhhcHB5IHRvIGxlYXZlIHRoZSBFRElEIGNhY2hpbmcgaW4gdGhlIGRyaXZlciBpZiB0aGF0 J3Mgd2hhdCBwZW9wbGUKcHJlZmVyLiBJdCBhY3R1YWxseSBtYWtlcyBhIGJpdCBvZiB0aGUgY29k ZSBpbiB0aGUgZHJpdmVyIGEgYml0IGxlc3MKYXdrd2FyZC4uLgoKLURvdWcKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlz dApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==