From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 16A8E67E91; Tue, 23 Jan 2024 02:02:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705975322; cv=none; b=Ul0xaD10PHD+5wSKSsdjAT6U/mhxKe7FhsCjLb2dJ3sOaSRbC+zccx/SzdMctR17xoIUZ4qzlefYxUoHBQyFn6SFaF6A+1Ab7RV1sfToo02i6MuZIeWi3O7r7KnsOT+PlSl8EXuth5yTMJilHyGVYaX0PF8uoExVQ6aWGDU7nfI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705975322; c=relaxed/simple; bh=F3pTpZmbekM1vaKirx5KCCmMOaaPNn4u5YjXVDKUjps=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZLj2Fnn2tSdgsLfrzBabmK5fImTQ+2j9grocEWn9ZYjFulZDMVXcZ7sQDnixNM0UekpNoY32O8eg/+CHK4kloMvPSgSiznuzBxvQbrH8UIx1ARBJot+yf++zj+oK2NeceSkr+gCq4UsNKqP0P5oe+peyo/kLhLLYxNTboU/jqOY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=KTbJaCYQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="KTbJaCYQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC757C43394; Tue, 23 Jan 2024 02:02:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705975321; bh=F3pTpZmbekM1vaKirx5KCCmMOaaPNn4u5YjXVDKUjps=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KTbJaCYQsEiCLwpanFXv8CYFlJRbiXhX9vpj3fKVgOl7AOhQZmy35R/KVKO4HFwD1 PgSvzHPIjt4BjhpffZCxbxcydF/w759ceKObJv1qeIXmrxJGFTpC6zLqHIqHBwAEIh 34vLtsQE1hbr0wrTRPmlTgj4N4UORWTBe0I+6IiI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, CK Hu , AngeloGioacchino Del Regno , Hsiao Chien Sung , Chun-Kuang Hu , Sasha Levin Subject: [PATCH 6.6 285/583] drm/mediatek: Return error if MDP RDMA failed to enable the clock Date: Mon, 22 Jan 2024 15:55:36 -0800 Message-ID: <20240122235820.722004867@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235812.238724226@linuxfoundation.org> References: <20240122235812.238724226@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hsiao Chien Sung [ Upstream commit 21b287146adf39304193e4c49198021e06a28ded ] Return the result of clk_prepare_enable() instead of always returns 0. Fixes: f8946e2b6bb2 ("drm/mediatek: Add display MDP RDMA support for MT8195") Reviewed-by: CK Hu Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung Link: https://patchwork.kernel.org/project/dri-devel/patch/20231214055847.4936-21-shawn.sung@mediatek.com/ Signed-off-by: Chun-Kuang Hu Signed-off-by: Sasha Levin --- drivers/gpu/drm/mediatek/mtk_mdp_rdma.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c index c3adaeefd551..c7233d0ac210 100644 --- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c @@ -246,8 +246,7 @@ int mtk_mdp_rdma_clk_enable(struct device *dev) { struct mtk_mdp_rdma *rdma = dev_get_drvdata(dev); - clk_prepare_enable(rdma->clk); - return 0; + return clk_prepare_enable(rdma->clk); } void mtk_mdp_rdma_clk_disable(struct device *dev) -- 2.43.0