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 E88E68F74 for ; Sun, 16 Jul 2023 20:03:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6A9DFC433C8; Sun, 16 Jul 2023 20:03:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1689537826; bh=5UKJjGQJ05FiP5/uIvyKl5nE1zX6M8FMqrte+R0HY8A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b9WmvxYgQt0VdSP23W7UF50Mu444fqYwIyLHsra2/CsmATBE63XzXPauaQApRSj09 zVGY6Fhhh/jEXDi/jis3dYigBJG3KCutwB/AAw+iBt0ACdkTZEwjduKHkRb9qHP0he gvno8ncyteyIYVnUvF9Tq4kyn/dUOSWg5v78QuS8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alexander Stein , Laurent Pinchart , Robert Foss , Sasha Levin Subject: [PATCH 6.4 234/800] drm/bridge: ti-sn65dsi83: Fix enable error path Date: Sun, 16 Jul 2023 21:41:27 +0200 Message-ID: <20230716194954.524320460@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230716194949.099592437@linuxfoundation.org> References: <20230716194949.099592437@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Alexander Stein [ Upstream commit 8a91b29f1f50ce7742cdbe5cf11d17f128511f3f ] If PLL locking failed, the regulator needs to be disabled again. Fixes: 5664e3c907e2 ("drm/bridge: ti-sn65dsi83: Add vcc supply regulator support") Signed-off-by: Alexander Stein Reviewed-by: Laurent Pinchart Signed-off-by: Robert Foss Link: https://patchwork.freedesktop.org/patch/msgid/20230504065316.2640739-1-alexander.stein@ew.tq-group.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/bridge/ti-sn65dsi83.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c index 75286c9afbb96..1f5c07989e2bf 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c @@ -478,6 +478,7 @@ static void sn65dsi83_atomic_enable(struct drm_bridge *bridge, dev_err(ctx->dev, "failed to lock PLL, ret=%i\n", ret); /* On failure, disable PLL again and exit. */ regmap_write(ctx->regmap, REG_RC_PLL_EN, 0x00); + regulator_disable(ctx->vcc); return; } -- 2.39.2