From patchwork Thu Dec 9 10:47:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislav Lisovskiy X-Patchwork-Id: 12667413 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 270F5C433FE for ; Thu, 9 Dec 2021 16:59:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 37C9310E9E4; Thu, 9 Dec 2021 16:53:56 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 443A489A72; Thu, 9 Dec 2021 10:48:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1639046895; x=1670582895; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=0qwuMU1+ShCnCFqCOhdeQPqaCkYWO3mE3ynbdPPhrB8=; b=fQIIncHkCDaX8XraO2KHcAfOEbNWiQv1StZwNZxLnjMR/EDnGlktJzeS cOQL+rCbjVO0IfgAA1XPKwVGEIIbA3yWcbxlWqKlKgXHbFLxqEBoZ8Xwl dtoI9VSKv96VkkiHMGIPa7CrK7EechNYUTLFOFcLdYGpUQROyGfsQ+lNB MkQP6ZVgCtSEY1IyHJFObg60EpsjxMGLlOF0FeH/8gdb+8t3Fi2r84Ypb pYhBiMcYM7F6PEm3xxXeCUfDPvvffqoJKiPtnPry5vh5k1goqFGh2wHx2 gGu78KJnhK845Ouo9f5zfsKo//JpZWxoj7CfYP2tupUCsb5HOYSAL4hGB g==; X-IronPort-AV: E=McAfee;i="6200,9189,10192"; a="218761062" X-IronPort-AV: E=Sophos;i="5.88,192,1635231600"; d="scan'208";a="218761062" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Dec 2021 02:47:15 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,192,1635231600"; d="scan'208";a="680287460" Received: from unknown (HELO slisovsk-Lenovo-ideapad-720S-13IKB.fi.intel.com) ([10.237.72.167]) by orsmga005.jf.intel.com with ESMTP; 09 Dec 2021 02:47:12 -0800 From: Stanislav Lisovskiy To: intel-gfx@lists.freedesktop.org Subject: [PATCH 1/2] drm/i915: Introduce new Tile 4 format Date: Thu, 9 Dec 2021 12:47:10 +0200 Message-Id: <20211209104711.14790-1-stanislav.lisovskiy@intel.com> X-Mailer: git-send-email 2.24.1.485.gad05a3d8e5 MIME-Version: 1.0 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: , Cc: nanley.g.chery@intel.com, dri-devel@lists.freedesktop.org, Stanislav.Lisovskiy@intel.com, jani.saarinen@intel.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This tiling layout uses 4KB tiles in a row-major layout. It has the same shape as Tile Y at two granularities: 4KB (128B x 32) and 64B (16B x 4). It only differs from Tile Y at the 256B granularity in between. At this granularity, Tile Y has a shape of 16B x 32 rows, but this tiling has a shape of 64B x 8 rows. Signed-off-by: Stanislav Lisovskiy Acked-by: Nanley Chery Reviewed-by: Imre Deak --- include/uapi/drm/drm_fourcc.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 7f652c96845b..a146c6df1066 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -565,6 +565,17 @@ extern "C" { */ #define I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC fourcc_mod_code(INTEL, 8) +/* + * Intel Tile 4 layout + * + * This is a tiled layout using 4KB tiles in a row-major layout. It has the same + * shape as Tile Y at two granularities: 4KB (128B x 32) and 64B (16B x 4). It + * only differs from Tile Y at the 256B granularity in between. At this + * granularity, Tile Y has a shape of 16B x 32 rows, but this tiling has a shape + * of 64B x 8 rows. + */ +#define I915_FORMAT_MOD_4_TILED fourcc_mod_code(INTEL, 9) + /* * Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks *