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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=no 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 423BAC43331 for ; Mon, 30 Mar 2020 08:51:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0B8E420732 for ; Mon, 30 Mar 2020 08:51:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585558270; bh=FVHzHrXlESDS3qTchboL4ddfFFme9vL57LQPCVxGQow=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=bZmxHJyRiacgYOu3L1gF0otDOZ7XZs03MKxujzGSKsGh/TRSsQC+Xu9G55nOHmtB7 /XqTvSoG9bgBFXNxsvvhvkRXyMTh5T3IOVNbqNU0jbyBppufqGFhx/PdTOKQJYcvyl TdwkglQbhdDxgDMLJ+opLe12EBytxwOXvmW5Cd38= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729583AbgC3IvJ (ORCPT ); Mon, 30 Mar 2020 04:51:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:37268 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729543AbgC3IvJ (ORCPT ); Mon, 30 Mar 2020 04:51:09 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0BD8920732; Mon, 30 Mar 2020 08:51:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585558267; bh=FVHzHrXlESDS3qTchboL4ddfFFme9vL57LQPCVxGQow=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=lP3UVsAdGPsbVMRv+s5LwgdoNdSkBVN04dmJ9xTHDdl6sgXwQeU5gdDC4xZzn0P8R 1U5Sx28BmPS6wsPElvbJ4yXsHq4bg+ygTw7cWPCPTcAoqqtdrh07O4y4hdQyp8rm1N Lp83xmmT4/aJfyh3II5SDrTSbNgrEhJW7rU6ONkE= Date: Mon, 30 Mar 2020 10:51:04 +0200 From: Greg KH To: Sultan Alsawaf Cc: stable@vger.kernel.org Subject: Re: [PATCH 1/2] drm/i915: Disable Panel Self Refresh (PSR) by default Message-ID: <20200330085104.GB239298@kroah.com> References: <20200330033057.2629052-1-sultan@kerneltoast.com> <20200330033057.2629052-2-sultan@kerneltoast.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200330033057.2629052-2-sultan@kerneltoast.com> Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Sun, Mar 29, 2020 at 08:30:56PM -0700, Sultan Alsawaf wrote: > From: Sultan Alsawaf > > On all Dell laptops with panels and chipsets that support PSR (an > esoteric power-saving mechanism), both PSR1 and PSR2 cause flickering > and graphical glitches, sometimes to the point of making the laptop > unusable. Many laptops don't support PSR so it isn't known if PSR works > correctly on any consumer hardware as of 5.4. PSR was enabled by default > in 5.0 for capable hardware, so this patch just restores the previous > functionality of PSR being disabled by default. > > More info is available on the freedesktop bug: > https://gitlab.freedesktop.org/drm/intel/issues/425 > > Cc: # 5.4.x > Signed-off-by: Sultan Alsawaf > --- > drivers/gpu/drm/i915/i915_params.c | 3 +-- > drivers/gpu/drm/i915/i915_params.h | 2 +- > 2 files changed, 2 insertions(+), 3 deletions(-) What is the git commit id of this patch in Linus's tree? thanks, greg k-h