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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 53207C43381 for ; Fri, 22 Mar 2019 07:02:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2CA07218E2 for ; Fri, 22 Mar 2019 07:02:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727528AbfCVHCM (ORCPT ); Fri, 22 Mar 2019 03:02:12 -0400 Received: from mx2.cyber.ee ([193.40.6.72]:58131 "EHLO mx2.cyber.ee" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725974AbfCVHCM (ORCPT ); Fri, 22 Mar 2019 03:02:12 -0400 Subject: Re: Radeon HD 7450 brightness oversaturated To: Alex Deucher , Meelis Roos Cc: LKML , Maling list - DRI developers , amd-gfx list References: <6f3801ea-476f-6715-db9b-0eb188c5711d@linux.ee> From: Meelis Roos Message-ID: Date: Fri, 22 Mar 2019 09:02:08 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: et-EE Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> I decided to put a discrete graphics card into a PC and found a fitting Radeon HD 7450. >> It works, but there is strange whiteness like the brightness is oversaturated and >> light places turn into other colors: >> * on fbcon, right after radeondrmfb initializes >> * in X after powersave >> >> The colors return to normal after a VT switch or two. >> >> Screenshot of one such washed view is at http://kodu.ut.ee/~mroos/radeon_washed.jpg >> >> Kernels are 5.0 and 5.1-rc1. > > Is it just kernels 5.0 and 5.1? There haven't really been any display > related changes to radeon in ages. Possibly a duplicate of: > https://bugzilla.kernel.org/show_bug.cgi?id=198123 No, I just put the card in and tested with only the current kernels I had. I can get some older kernel and test with that if that is of any help. -- Meelis Roos