From patchwork Tue Oct 15 00:05:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Sripada, Radhakrishna" X-Patchwork-Id: 11189513 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 769751668 for ; Tue, 15 Oct 2019 00:04:00 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 5EFC120650 for ; Tue, 15 Oct 2019 00:04:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5EFC120650 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8AF246E5C6; Tue, 15 Oct 2019 00:03:59 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 90D376E1CF for ; Tue, 15 Oct 2019 00:03:46 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Oct 2019 17:03:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,296,1566889200"; d="scan'208";a="185644165" Received: from invictus.jf.intel.com ([10.54.75.159]) by orsmga007.jf.intel.com with ESMTP; 14 Oct 2019 17:03:44 -0700 From: Radhakrishna Sripada To: intel-gfx@lists.freedesktop.org Date: Mon, 14 Oct 2019 17:05:29 -0700 Message-Id: <20191015000533.11425-7-radhakrishna.sripada@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191015000533.11425-1-radhakrishna.sripada@intel.com> References: <20191015000533.11425-1-radhakrishna.sripada@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v4 06/10] drm/framebuffer: Format modifier for Intel Gen-12 media compression X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nanley.g.chery@intel.com, Lucas De Marchi , dhinakaran.pandiyan@intel.com, ville.syrjala@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Dhinakaran Pandiyan Gen-12 display can decompress surfaces compressed by the media engine, add a new modifier as the driver needs to know the surface was compressed by the media or render engine. Cc: Nanley G Chery Cc: Matt Roper Cc: Ville Syrjälä Signed-off-by: Dhinakaran Pandiyan Signed-off-by: Lucas De Marchi --- include/uapi/drm/drm_fourcc.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 52107533994c..dd9c85111e77 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -421,6 +421,19 @@ extern "C" { */ #define I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS fourcc_mod_code(INTEL, 6) +/* + * Intel color control surfaces (CCS) for Gen-12 media compression + * + * The main surface is Y-tiled and at plane index 0, the CCS is linear and + * at index 1. A 64B CCS cache line corresponds to an area of 4x1 tiles in + * main surface. In other words, 4 bits in CCS map to a main surface cache + * line pair. The main surface pitch is required to be a multiple of four + * Y-tile widths. For semi-planar formats like NV12, CCS plane follows the + * Y and UV planes i.e., planes 0 and 2 are used for Y and UV surfaces, + * planes 1 and 3 for the respective CCS. + */ +#define I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS fourcc_mod_code(INTEL, 7) + /* * Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks *