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=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 E6644C4332B for ; Tue, 29 Dec 2020 20:18:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BBB452226A for ; Tue, 29 Dec 2020 20:18:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726487AbgL2URz (ORCPT ); Tue, 29 Dec 2020 15:17:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:60058 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726503AbgL2URy (ORCPT ); Tue, 29 Dec 2020 15:17:54 -0500 Received: by mail.kernel.org (Postfix) with ESMTPS id A7DD422C7E; Tue, 29 Dec 2020 20:15:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1609272933; bh=DIyr9GrxSTaILYFOGW6CORD7tk+ut0aBSDlsNT8E+D8=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=GZGs8SCl08kiU2RT4onIpDOnlxi9ctcCmEkcuXxYFCw+IDfDlOoFE0aCu/LkDlnXX jW6VE9BUsP3J1373EZhOSAFF5DqgfSmEDaw9tUIFbw6+XxJV/0mVsWJU9CFr1pCOKD AE18Axz4dWwgPfYXkEyqC71YJ4P0N/Ln5k67akLkp5FrnmT3jNF8Gq1T3wlVovb3Bl ZofibhLye0znA9DhSQBTUBA2m5w8xJRxLhL4+/OV7xvnRGGqgdzIPJlo3Fj0WNCqzM JiuJP6N1xmf0sM2LlQN49EG8dCYouCax9VeaKdNi1pNwVsTiZn/G4okRo5uF2ntEL1 ca3U0C3eZ5VtQ== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH 1/2] drm/msm/a6xx: Clear shadow on suspend From: patchwork-bot+linux-arm-msm@kernel.org Message-Id: <160927293366.13751.177629542188411248.git-patchwork-notify@kernel.org> Date: Tue, 29 Dec 2020 20:15:33 +0000 References: <20201110184401.282982-1-robdclark@gmail.com> In-Reply-To: <20201110184401.282982-1-robdclark@gmail.com> To: Rob Clark Cc: linux-arm-msm@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Hello: This series was applied to qcom/linux.git (refs/heads/for-next): On Tue, 10 Nov 2020 10:43:59 -0800 you wrote: > From: Rob Clark > > Clear the shadow rptr on suspend. Otherwise, when we resume, we can > have a stale value until CP_WHERE_AM_I executes. If we suspend near > the ringbuffer wraparound point, this can lead to a chicken/egg > situation where we are waiting for ringbuffer space to write the > CP_WHERE_AM_I (or CP_INIT) packet, because we mistakenly believe that > the ringbuffer is full (due to stale rptr value in the shadow). > > [...] Here is the summary with links: - [1/2] drm/msm/a6xx: Clear shadow on suspend https://git.kernel.org/qcom/c/e8b0b994c3a5 - [2/2] drm/msm/a5xx: Clear shadow on suspend https://git.kernel.org/qcom/c/5771de5d5b3b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html