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 EACE4C43458 for ; Mon, 13 Jul 2026 07:02:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4BBFE10E570; Mon, 13 Jul 2026 07:02:22 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=collabora.com header.i=@collabora.com header.b="oavYqWF4"; dkim-atps=neutral Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7164D10E570 for ; Mon, 13 Jul 2026 07:02:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1783926139; bh=JmL2Xl89K/g0SDzatddF+hPgFCB5s4RU+PbV4too2i0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=oavYqWF4S16Y9fz/VE4AkuAoOnchjHpkJc5P35aHNkeNmXEsOwOso8AxiFJ9LoHtb VdiLEWhB28TKU5AbyxfyC4C6nb50PSbQyrhMjbp7f0Nfm7e92v2eRyNzIgfhyazUNb c9wb4gjrfOcRNHrzrmzD3VdnL/gT/ycHTlihGXCjAgEQ1u+Lue9iIKrWFe9MM5DfRH G68RAfwiGtm4NfuIK9FkmOkUJlyGCMrOvo3z2a+LPZ5TpcEUyYCyzuXDYpUyIANPlc 19LyBGtTyylYkufc6UqCDr8dUrHfkaVNEQ0TkI+9ewxoV/tV2EV3eZI9alnphlyOaG o/oAKmu2Ix2iA== Received: from fedora-2.home (unknown [100.64.0.11]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange secp256r1 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bbrezillon) by bali.collaboradmins.com (Postfix) with ESMTPSA id 8D5F817E0802; Mon, 13 Jul 2026 09:02:18 +0200 (CEST) Date: Mon, 13 Jul 2026 09:02:10 +0200 From: Boris Brezillon To: Ketil Johnsen Cc: Steven Price , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Daniel Almeida , Alice Ryhl , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 5/7] drm/panthor: Don't allocate protm_suspend_buf Message-ID: <20260713090210.40677ad4@fedora-2.home> In-Reply-To: <20260712135439.1546950-6-ketil.johnsen@arm.com> References: <20260712135439.1546950-1-ketil.johnsen@arm.com> <20260712135439.1546950-6-ketil.johnsen@arm.com> Organization: Collabora X-Mailer: Claws Mail 4.4.0 (GTK 3.24.52; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Sun, 12 Jul 2026 15:54:37 +0200 Ketil Johnsen wrote: > The PROTM suspend buffer is only needed if the group is going to > use PROTM in the first place, so let's not assume we need one until > we're being asked to. > > Signed-off-by: Ketil Johnsen Reviewed-by: Boris Brezillon > --- > drivers/gpu/drm/panthor/panthor_sched.c | 14 ++++---------- > 1 file changed, 4 insertions(+), 10 deletions(-) > > diff --git a/drivers/gpu/drm/panthor/panthor_sched.c b/drivers/gpu/drm/panthor/panthor_sched.c > index dc77a174a3368..86c0f12b09e11 100644 > --- a/drivers/gpu/drm/panthor/panthor_sched.c > +++ b/drivers/gpu/drm/panthor/panthor_sched.c > @@ -3642,9 +3642,11 @@ static void add_group_kbo_sizes(struct panthor_device *ptdev, > if (drm_WARN_ON(&ptdev->base, ptdev != group->ptdev)) > return; > > - group->fdinfo.kbo_sizes += group->suspend_buf->obj->size; > - group->fdinfo.kbo_sizes += group->protm_suspend_buf->obj->size; > group->fdinfo.kbo_sizes += group->syncobjs->obj->size; > + group->fdinfo.kbo_sizes += group->suspend_buf->obj->size; > + > + if (group->protm_suspend_buf) > + group->fdinfo.kbo_sizes += group->protm_suspend_buf->obj->size; > > for (i = 0; i < group->queue_count; i++) { > queue = group->queues[i]; > @@ -3724,14 +3726,6 @@ int panthor_group_create(struct drm_file *file, > goto err_put_group; > } > > - suspend_size = csg_iface->control->protm_suspend_size; > - group->protm_suspend_buf = panthor_fw_alloc_suspend_buf_mem(ptdev, suspend_size); > - if (IS_ERR(group->protm_suspend_buf)) { > - ret = PTR_ERR(group->protm_suspend_buf); > - group->protm_suspend_buf = NULL; > - goto err_put_group; > - } > - > group->syncobjs = panthor_kernel_bo_create(ptdev, group->vm, > group_args->queues.count * > sizeof(struct panthor_syncobj_64b),