From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (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 0A7521F0E40 for ; Thu, 13 Mar 2025 19:04:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741892695; cv=pass; b=fzC6KxJLCUXCiwkTPi/YAhlti4xwefxy+kjylfOqsq4yI/2yKYKLrCiqWe4YzHtn+W9tzzl5i4kf++NKnst0++iAIY8fU+zaVxtA+zMPy1+Q/m1MUopTD1TKeOy9e01dsO+aPQlDjempc/NPBXPpena14E6Vf9NunfNg1tXtyp8= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741892695; c=relaxed/simple; bh=YoJzrJImw6IMtCjBzOmjeQUBz5qzMSUt+jqV80sKKzs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=IFNo2tTNyh+nQp3rdDUHAQ89rIozLrRsc+dXhcpX5XYVojdA/Mtvvkhnp4ALlPbuLhvDJYsM9K3pBCo8sOxX+L6aNH9N0LexM3rIi1hLuu2leR2x4Je9zwjRdpZOVkidlVOF6gibbhN3z/h40E4mtptJ+nOR7UDH2NACx0g0STA= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=ariel.dalessandro@collabora.com header.b=ABhqq4Bj; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=ariel.dalessandro@collabora.com header.b="ABhqq4Bj" ARC-Seal: i=1; a=rsa-sha256; t=1741892667; cv=none; d=zohomail.com; s=zohoarc; b=IDai2uCPeDltdnQDWMLspcg/wpWhfJjWrHiFe0Oxud8trPkbuItbTwPuFtBu2bKWZP5HQ1jy6RRWDZo0r+8GsE8DXHALA0KEoVM149PtwDyn8m3zvn9cfUF3NGPOMhmJGYBaAtYFNZeDzE2QQetK0Ueo04up/jXQuEMWEVHLz98= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1741892667; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=0oIWPDRciLqWE5onPVwFJiWQ7qoNl5vDCFa0WS9jdh4=; b=DTujC8IarYC+WlMIUIA3V0dfkynhjraTTMeFsnB2KEqbUu/k3LXGKBkjdIs0fOtxrcMjuBJlTpGBIfK7T+54EpBTiRMzZ7opNtbGbrabZe6zfoBEY0AbYuobq32eCHgF92H/Fm+Ew1iaLsLH5OQspxGxoqHpn4yvbfOrRpWc5KU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=ariel.dalessandro@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1741892667; s=zohomail; d=collabora.com; i=ariel.dalessandro@collabora.com; h=Message-ID:Date:Date:MIME-Version:Subject:Subject:To:To:Cc:Cc:References:From:From:In-Reply-To:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To; bh=0oIWPDRciLqWE5onPVwFJiWQ7qoNl5vDCFa0WS9jdh4=; b=ABhqq4BjNTKf0mQ2n2Hu4xIa+Uv0npWPfJe4cdjtmkAbYQRP0OMUUrxvxZ70q2Cc Hs54FPNtEfwy1R3Gei2dh/xKBnyV7eTBO2jSGseJgJu8+a+2RONFS68nZwm7e5PeapU lHVS1KkEufwpimWodvMlv4XaWdzfcHP76NqFvYws= Received: by mx.zohomail.com with SMTPS id 17418926658661000.7935840965962; Thu, 13 Mar 2025 12:04:25 -0700 (PDT) Message-ID: Date: Thu, 13 Mar 2025 16:04:18 -0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 5/6] drm/panfrost: Enable AARCH64_4K page table format on mediatek_mt8188 To: Boris Brezillon Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, robh@kernel.org, steven.price@arm.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, kernel@collabora.com, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, sjoerd@collabora.com References: <20250310195921.157511-1-ariel.dalessandro@collabora.com> <20250310195921.157511-6-ariel.dalessandro@collabora.com> <20250311090649.0d15d74d@collabora.com> Content-Language: en-US From: Ariel D'Alessandro In-Reply-To: <20250311090649.0d15d74d@collabora.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ZohoMailClient: External Boris, On 3/11/25 5:06 AM, Boris Brezillon wrote: > On Mon, 10 Mar 2025 16:59:20 -0300 > Ariel D'Alessandro wrote: > >> Now that Panfrost supports AARCH64_4K page table format, let's enable it >> on Mediatek MT8188. > > Can you maybe give more details on why this is needed > (legacy shareability/cacheability not suitable for this GPU?)? Ack, will expand in v2. Thanks! -- Ariel D'Alessandro Software Engineer Collabora Ltd. Platinum Building, St John's Innovation Park, Cambridge CB4 0DS, UK Registered in England & Wales, no. 5513718