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 880BC5A7B8; Tue, 23 Jan 2024 01:45:41 +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=1705974341; cv=none; b=St9SfEjvsRZp4LiWOPULYmVw0vFO9N0tKOqPXUO56W/0lOl/QPmGzbaIUtr+Rzb+N9D5SAIYpNOqsdX6NLmMJw9acVbSm6OEmypBIe9/JnvXWD8/s3Wz4PVw687pFMdvLMj08le89a6HchV1M2eVFarXHct9eRhwdTOsvzQC+UQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705974341; c=relaxed/simple; bh=IouHy77Gizj3sU4uRru1AfoZzh6r7idgawc50D60vog=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=aUMWiTW/FeusVQ95EjrOpnnDgYXu/fkF6uq4dUGCtItE1e5nWIif1EDxWIprCCMKsTz/R1IsUdThh7V3zBuvcOcA+F0J955Y+wb2GFGNitN8uN2BowqPFhKiGt6hC+TQkS6MAx1/xDYmcDQhkKX9gPPvGbHbploeWuDCSgkCBFI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=0ZzMRqkO; 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="0ZzMRqkO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4D808C43390; Tue, 23 Jan 2024 01:45:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705974341; bh=IouHy77Gizj3sU4uRru1AfoZzh6r7idgawc50D60vog=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0ZzMRqkOqEjfarwSJKUYiaCLDlroprqES4Cuqw+yAe69pLERMVV62K6cXO774nLPC NUl5DKM7r2+EGswLhTo/lX7jDgPigzHRgbwG+scPr/AIj8PtRmTkP4rt3VUxLFBUUU gyy88lK6wOpTkHn5eBo4oYbGa2lz/ZVdiK8umTFI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Thomas Zimmermann , Aradhya Bhatia , Tomi Valkeinen , Sasha Levin Subject: [PATCH 5.15 183/374] drm/tilcdc: Fix irq free on unload Date: Mon, 22 Jan 2024 15:57:19 -0800 Message-ID: <20240122235750.996378314@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235744.598274724@linuxfoundation.org> References: <20240122235744.598274724@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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Tomi Valkeinen [ Upstream commit 38360bf96d816e175bc602c4ee76953cd303b71d ] The driver only frees the reserved irq if priv->irq_enabled is set to true. However, the driver mistakenly sets priv->irq_enabled to false, instead of true, in tilcdc_irq_install(), and thus the driver never frees the irq, causing issues on loading the driver a second time. Fixes: b6366814fa77 ("drm/tilcdc: Convert to Linux IRQ interfaces") Cc: Thomas Zimmermann Reviewed-by: Aradhya Bhatia Signed-off-by: Tomi Valkeinen Link: https://patchwork.freedesktop.org/patch/msgid/20230919-lcdc-v1-1-ba60da7421e1@ideasonboard.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/tilcdc/tilcdc_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index 6b03f89a98d4..6924488274dd 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -140,7 +140,7 @@ static int tilcdc_irq_install(struct drm_device *dev, unsigned int irq) if (ret) return ret; - priv->irq_enabled = false; + priv->irq_enabled = true; return 0; } -- 2.43.0