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=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 82D6CC07E9E for ; Tue, 6 Jul 2021 11:23:37 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 547CB61D3A for ; Tue, 6 Jul 2021 11:23:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 547CB61D3A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9CFAD6E415; Tue, 6 Jul 2021 11:23:35 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 06F1C6E40A; Tue, 6 Jul 2021 11:23:34 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id E06DD61E2E; Tue, 6 Jul 2021 11:23:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625570613; bh=7QlEAfIR48X5g9ahb8H+jZ/laF635VDdUwllnzq05wo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XNJ8cIYmX7XyAuZZ7swcDQlHd4Ma3soSqvwujPXuoGwFg8gi+20u6ms4JYdJeLwu0 TzG4bSLFhUFdnDmPeOikcI/vRT0J6cOdkDjoSBG+pS2qAWmsWxhMAjJH5mXo960Pui ZlVw75Ebu2uCLu/C1WSL4ZG/57Fbyt9GAxlKrDb4USUBYmrL6c4s7cE9mOVOcj8gXx FMehUQCIg/WhsYgFptbXOtL9Vq/qIamzVvqflA7WSj4Bm0oEGSGCG9/BNyQhQwt36t TMvfYLgwVFAQASjNJcwLsRCwl57bG5XDJbG809c3T/deSUqDiTmd1oUp8+pUgheYwF LncnYUtWju9EQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.10 070/137] drm/amd/display: Set DISPCLK_MAX_ERRDET_CYCLES to 7 Date: Tue, 6 Jul 2021 07:20:56 -0400 Message-Id: <20210706112203.2062605-70-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210706112203.2062605-1-sashal@kernel.org> References: <20210706112203.2062605-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit 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: Stylon Wang , Sasha Levin , Wesley Chalmers , amd-gfx@lists.freedesktop.org, Daniel Wheeler , Dmytro Laktyushkin , dri-devel@lists.freedesktop.org, Alex Deucher Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Wesley Chalmers [ Upstream commit 3577e1678772ce3ede92af3a75b44a4b76f9b4ad ] [WHY] DISPCLK_MAX_ERRDET_CYCLES must be 7 to prevent connection loss when changing DENTIST_DISPCLK_WDIVIDER from 126 to 127 and back. Signed-off-by: Wesley Chalmers Reviewed-by: Dmytro Laktyushkin Acked-by: Stylon Wang Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index f1e9b3b06b92..9d3ccdd35582 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -243,7 +243,7 @@ void dcn20_dccg_init(struct dce_hwseq *hws) REG_WRITE(MILLISECOND_TIME_BASE_DIV, 0x1186a0); /* This value is dependent on the hardware pipeline delay so set once per SOC */ - REG_WRITE(DISPCLK_FREQ_CHANGE_CNTL, 0x801003c); + REG_WRITE(DISPCLK_FREQ_CHANGE_CNTL, 0xe01003c); } void dcn20_disable_vga( -- 2.30.2