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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id AC486C433F5 for ; Fri, 25 Feb 2022 23:03:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 09A9C10E179; Fri, 25 Feb 2022 23:03:41 +0000 (UTC) Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5261A10E179 for ; Fri, 25 Feb 2022 23:03:39 +0000 (UTC) Date: Sat, 26 Feb 2022 00:03:33 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1645830215; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=LGavQJcyxtdypPh/sOUJgnjVuKvImNMokMsQ6IO1gD0=; b=ySl+NoAF93RCkLmtV2kZlkLJOuxa7iR4qJD2Z4k6ffWUsHtokDzYMD5PltltSfDvVINDra vGhklpjalYhhyBOJFydqmKFTuTnKP6vLTi8HEk1qLBpVXuhMwHGNPzOQHOohZFusw16tif 2sT88KmA8rUrHQexH8Q/l+yv6Xlo6TfDw2MMmF1/ZiyGbrEDvkmc8mSR90tW44DO9QKDk3 wd6ILftO8amqi4LvWwLpxbOndhRABywU5JWyosWm3mXW4lbRYYHKJH4ZpBU8dTioSw0Ctt NMt1VvUd9lsw6EYS6Rn5aCIuricNiY2aXZtDg3zoDiU8ux7EROwuMiZyM9PegA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1645830215; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=LGavQJcyxtdypPh/sOUJgnjVuKvImNMokMsQ6IO1gD0=; b=puEcnY1rzUfKwAIEx3RmdZy/PxKg9eYMyF04Y0w3kDAWQfr8c/lgvy7z6CGxKP6hWt7L2i XeRy0soiTIZ75YDQ== From: Sebastian Andrzej Siewior To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Subject: Re: [Intel-gfx] [PATCH] drm/i915: Depend on !PREEMPT_RT. X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , Thomas Gleixner , Rodrigo Vivi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On 2022-02-14 19:59:08 [+0100], To intel-gfx@lists.freedesktop.org wrote: > There are a few sections in the driver which are not compatible with > PREEMPT_RT. They trigger warnings and can lead to deadlocks at runtime. > > Disable the i915 driver on a PREEMPT_RT enabled kernel. This way > PREEMPT_RT itself can be enabled without needing to address the i915 > issues first. The RT related patches are still in RT queue and will be > handled later. > > Signed-off-by: Sebastian Andrzej Siewior A gentle ping ;) > --- > drivers/gpu/drm/i915/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig > index a4c94dc2e2164..3aa719d5a0f0d 100644 > --- a/drivers/gpu/drm/i915/Kconfig > +++ b/drivers/gpu/drm/i915/Kconfig > @@ -3,6 +3,7 @@ config DRM_I915 > tristate "Intel 8xx/9xx/G3x/G4x/HD Graphics" > depends on DRM > depends on X86 && PCI > + depends on !PREEMPT_RT > select INTEL_GTT > select INTERVAL_TREE > # we need shmfs for the swappable backing store, and in particular Sebastian