From patchwork Fri Nov 2 06:46:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Navare, Manasi" X-Patchwork-Id: 10665017 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2635313BF for ; Fri, 2 Nov 2018 06:44:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ED9E02BC9B for ; Fri, 2 Nov 2018 06:44:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E1C342BCA0; Fri, 2 Nov 2018 06:44:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A99DA2BC9B for ; Fri, 2 Nov 2018 06:44:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3C9256E4CB; Fri, 2 Nov 2018 06:44:28 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id B4FCC6E4C4; Fri, 2 Nov 2018 06:44:24 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Nov 2018 23:44:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,454,1534834800"; d="scan'208";a="97077483" Received: from labuser-z97x-ud5h.jf.intel.com ([10.54.75.151]) by orsmga003.jf.intel.com with ESMTP; 01 Nov 2018 23:44:23 -0700 From: Manasi Navare To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH v7 03/19] drm/dsc: Define Rate Control values that do not change over configurations Date: Thu, 1 Nov 2018 23:46:43 -0700 Message-Id: <20181102064659.8991-4-manasi.d.navare@intel.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20181102064659.8991-1-manasi.d.navare@intel.com> References: <20181102064659.8991-1-manasi.d.navare@intel.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Srivatsa, Anusha" , Manasi Navare , Gaurav K Singh MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: "Srivatsa, Anusha" DSC has some Rate Control values that remain constant across all configurations. These are as per the DSC standard. v3: * Define them in drm_dsc.h as they are DSC constants (Manasi) v2: * Add DP_DSC_ prefix (Jani Nikula) Cc: dri-devel@lists.freedesktop.org Cc: Manasi Navare Cc: Jani Nikula Cc: Ville Syrjala Cc: Gaurav K Singh Cc: Harry Wentland Signed-off-by: Anusha Srivatsa Reviewed-by: Manasi Navare --- include/drm/drm_dsc.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h index 3292dfed9d0a..b88e31bd9da7 100644 --- a/include/drm/drm_dsc.h +++ b/include/drm/drm_dsc.h @@ -18,6 +18,12 @@ #define DSC_SCALE_DECREMENT_INTERVAL_MAX 4095 #define DSC_RANGE_BPG_OFFSET_MASK 0x3f +/* DSC Rate Control Constants */ +#define DSC_RC_MODEL_SIZE_CONST 8192 +#define DSC_RC_EDGE_FACTOR_CONST 6 +#define DSC_RC_TGT_OFFSET_HI_CONST 3 +#define DSC_RC_TGT_OFFSET_LO_CONST 3 + /* Configuration for a single Rate Control model range */ struct drm_dsc_rc_range_parameters { /* Min Quantization Parameters allowed for this range */