From patchwork Tue Mar 7 13:48:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 659978 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DDF96C678D4 for ; Tue, 7 Mar 2023 13:50:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229743AbjCGNuk (ORCPT ); Tue, 7 Mar 2023 08:50:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231446AbjCGNuQ (ORCPT ); Tue, 7 Mar 2023 08:50:16 -0500 Received: from mail-lj1-x231.google.com (mail-lj1-x231.google.com [IPv6:2a00:1450:4864:20::231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C54285B3E for ; Tue, 7 Mar 2023 05:49:11 -0800 (PST) Received: by mail-lj1-x231.google.com with SMTP id f16so13177781ljq.10 for ; Tue, 07 Mar 2023 05:49:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678196945; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=WUdM6gcvVPoYAicEfspkc+pYHN7j7urkjBC5SuHpoQ0=; b=JbDeO36va4c1p9/R8l+kvcktzL7ud9au5b8L7L21lGD5rWhlwF/boHC/90ql6ls4xt ZioEW3FjaL9Ex30zICx121LA/3w1aMv8J1S8GfvF7oijGmxxUBXsHMSIMXEgofzHIFaw FNn9JvanIMM58UHtQFu+9EerxVOtOnXTnMZQbTqOXt6IUWYy5B0qYFuLpbHbQ1M1WV0l 0TbP57+DWxrGNNxr/P+DPI93sqcW22Il/xRF9ixJyYa6kHFA7IWgDPKJ2yMPJPNW5FdX c3a1jBsqcXWThZTc+bPzgSr+Lq6p38HDZyG3ZmVuinyqD09td2RAQTFfhWMFaWttpO9F Cyug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678196945; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=WUdM6gcvVPoYAicEfspkc+pYHN7j7urkjBC5SuHpoQ0=; b=pysggoNWc+LlRTrs5TwovDYdDgVA2tN4NKFJlKtA7ymB4Z9tdYEUq1iojqSNyDvPC0 LaCv8hNxh0FQHh2oE1PF4TNyuQHzALMqW5CSxDF/NKBaFdHKe+A9/hWS7Vg9ZuUkz+bo J+jdyP/JVNcZZQVZ82BO5odwB45pQSFuAk02XWw2yEvpT+0CJiLTOcEpvVWoJ4aidb06 tbOrxQgfL+39di3Wbssserjq9Hnd9z75fkguLKNx+87Zd/R2rtiKasst9cCrXnAMFmlv ATCkMS4v32SQAIz1zuGWPB21rlPD2KvMo5J3bF37qrMmSH6OocAS4u+8zKOge3Mvs6Y6 qHOw== X-Gm-Message-State: AO0yUKVpaCYVjGsipyS4rNw182HrS359t5L6/u2pIPmaGIInjUNtKGU7 nCOjklIoyxjRZl0pF5dLOGXYPg== X-Google-Smtp-Source: AK7set8GlCEjL8vddH5SM4px28VNcccT7+MMN1HPOC3qrv4rWIZ5RGG1Oux59qRrlg0B0g80AwXOXA== X-Received: by 2002:a2e:9682:0:b0:295:acb3:cb66 with SMTP id q2-20020a2e9682000000b00295acb3cb66mr4119648lji.45.1678196945086; Tue, 07 Mar 2023 05:49:05 -0800 (PST) Received: from eriador.unikie.fi ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id u14-20020a2e91ce000000b0029597ebacd0sm2128991ljg.64.2023.03.07.05.49.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Mar 2023 05:49:04 -0800 (PST) From: Dmitry Baryshkov To: David Airlie , Daniel Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten Cc: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Jani Nikula Subject: [PATCH v2 03/10] drm/i915/dsc: move DSC tables to DRM DSC helper Date: Tue, 7 Mar 2023 15:48:54 +0200 Message-Id: <20230307134901.322560-4-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307134901.322560-1-dmitry.baryshkov@linaro.org> References: <20230307134901.322560-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Move DSC RC tables to DRM DSC helper. No additional code changes and/or cleanups are a part of this commit, it will be cleaned up in the followup commits. Reviewed-by: Jani Nikula Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/display/drm_dsc_helper.c | 372 ++++++++++++++++++++++ drivers/gpu/drm/i915/display/intel_vdsc.c | 319 +------------------ include/drm/display/drm_dsc_helper.h | 1 + 3 files changed, 380 insertions(+), 312 deletions(-) diff --git a/drivers/gpu/drm/display/drm_dsc_helper.c b/drivers/gpu/drm/display/drm_dsc_helper.c index be91abe2cfb2..122a292bbc8f 100644 --- a/drivers/gpu/drm/display/drm_dsc_helper.c +++ b/drivers/gpu/drm/display/drm_dsc_helper.c @@ -305,6 +305,378 @@ void drm_dsc_set_rc_buf_thresh(struct drm_dsc_config *vdsc_cfg) } EXPORT_SYMBOL(drm_dsc_set_rc_buf_thresh); +enum ROW_INDEX_BPP { + ROW_INDEX_6BPP = 0, + ROW_INDEX_8BPP, + ROW_INDEX_10BPP, + ROW_INDEX_12BPP, + ROW_INDEX_15BPP, + MAX_ROW_INDEX +}; + +enum COLUMN_INDEX_BPC { + COLUMN_INDEX_8BPC = 0, + COLUMN_INDEX_10BPC, + COLUMN_INDEX_12BPC, + COLUMN_INDEX_14BPC, + COLUMN_INDEX_16BPC, + MAX_COLUMN_INDEX +}; + +struct rc_parameters { + u16 initial_xmit_delay; + u8 first_line_bpg_offset; + u16 initial_offset; + u8 flatness_min_qp; + u8 flatness_max_qp; + u8 rc_quant_incr_limit0; + u8 rc_quant_incr_limit1; + struct drm_dsc_rc_range_parameters rc_range_params[DSC_NUM_BUF_RANGES]; +}; + +/* + * Selected Rate Control Related Parameter Recommended Values + * from DSC_v1.11 spec & C Model release: DSC_model_20161212 + */ +static const struct rc_parameters rc_parameters[][MAX_COLUMN_INDEX] = { + { + /* 6BPP/8BPC */ + { 768, 15, 6144, 3, 13, 11, 11, { + { 0, 4, 0 }, { 1, 6, -2 }, { 3, 8, -2 }, { 4, 8, -4 }, + { 5, 9, -6 }, { 5, 9, -6 }, { 6, 9, -6 }, { 6, 10, -8 }, + { 7, 11, -8 }, { 8, 12, -10 }, { 9, 12, -10 }, { 10, 12, -12 }, + { 10, 12, -12 }, { 11, 12, -12 }, { 13, 14, -12 } + } + }, + /* 6BPP/10BPC */ + { 768, 15, 6144, 7, 17, 15, 15, { + { 0, 8, 0 }, { 3, 10, -2 }, { 7, 12, -2 }, { 8, 12, -4 }, + { 9, 13, -6 }, { 9, 13, -6 }, { 10, 13, -6 }, { 10, 14, -8 }, + { 11, 15, -8 }, { 12, 16, -10 }, { 13, 16, -10 }, + { 14, 16, -12 }, { 14, 16, -12 }, { 15, 16, -12 }, + { 17, 18, -12 } + } + }, + /* 6BPP/12BPC */ + { 768, 15, 6144, 11, 21, 19, 19, { + { 0, 12, 0 }, { 5, 14, -2 }, { 11, 16, -2 }, { 12, 16, -4 }, + { 13, 17, -6 }, { 13, 17, -6 }, { 14, 17, -6 }, { 14, 18, -8 }, + { 15, 19, -8 }, { 16, 20, -10 }, { 17, 20, -10 }, + { 18, 20, -12 }, { 18, 20, -12 }, { 19, 20, -12 }, + { 21, 22, -12 } + } + }, + /* 6BPP/14BPC */ + { 768, 15, 6144, 15, 25, 23, 23, { + { 0, 16, 0 }, { 7, 18, -2 }, { 15, 20, -2 }, { 16, 20, -4 }, + { 17, 21, -6 }, { 17, 21, -6 }, { 18, 21, -6 }, { 18, 22, -8 }, + { 19, 23, -8 }, { 20, 24, -10 }, { 21, 24, -10 }, + { 22, 24, -12 }, { 22, 24, -12 }, { 23, 24, -12 }, + { 25, 26, -12 } + } + }, + /* 6BPP/16BPC */ + { 768, 15, 6144, 19, 29, 27, 27, { + { 0, 20, 0 }, { 9, 22, -2 }, { 19, 24, -2 }, { 20, 24, -4 }, + { 21, 25, -6 }, { 21, 25, -6 }, { 22, 25, -6 }, { 22, 26, -8 }, + { 23, 27, -8 }, { 24, 28, -10 }, { 25, 28, -10 }, + { 26, 28, -12 }, { 26, 28, -12 }, { 27, 28, -12 }, + { 29, 30, -12 } + } + }, + }, + { + /* 8BPP/8BPC */ + { 512, 12, 6144, 3, 12, 11, 11, { + { 0, 4, 2 }, { 0, 4, 0 }, { 1, 5, 0 }, { 1, 6, -2 }, + { 3, 7, -4 }, { 3, 7, -6 }, { 3, 7, -8 }, { 3, 8, -8 }, + { 3, 9, -8 }, { 3, 10, -10 }, { 5, 11, -10 }, { 5, 12, -12 }, + { 5, 13, -12 }, { 7, 13, -12 }, { 13, 15, -12 } + } + }, + /* 8BPP/10BPC */ + { 512, 12, 6144, 7, 16, 15, 15, { + /* + * DSC model/pre-SCR-cfg has 8 for range_max_qp[0], however + * VESA DSC 1.1 Table E-5 sets it to 4. + */ + { 0, 4, 2 }, { 4, 8, 0 }, { 5, 9, 0 }, { 5, 10, -2 }, + { 7, 11, -4 }, { 7, 11, -6 }, { 7, 11, -8 }, { 7, 12, -8 }, + { 7, 13, -8 }, { 7, 14, -10 }, { 9, 15, -10 }, { 9, 16, -12 }, + { 9, 17, -12 }, { 11, 17, -12 }, { 17, 19, -12 } + } + }, + /* 8BPP/12BPC */ + { 512, 12, 6144, 11, 20, 19, 19, { + { 0, 12, 2 }, { 4, 12, 0 }, { 9, 13, 0 }, { 9, 14, -2 }, + { 11, 15, -4 }, { 11, 15, -6 }, { 11, 15, -8 }, { 11, 16, -8 }, + { 11, 17, -8 }, { 11, 18, -10 }, { 13, 19, -10 }, + { 13, 20, -12 }, { 13, 21, -12 }, { 15, 21, -12 }, + { 21, 23, -12 } + } + }, + /* 8BPP/14BPC */ + { 512, 12, 6144, 15, 24, 23, 23, { + { 0, 12, 2 }, { 5, 13, 0 }, { 11, 15, 0 }, { 12, 17, -2 }, + { 15, 19, -4 }, { 15, 19, -6 }, { 15, 19, -8 }, { 15, 20, -8 }, + { 15, 21, -8 }, { 15, 22, -10 }, { 17, 22, -10 }, + { 17, 23, -12 }, { 17, 23, -12 }, { 21, 24, -12 }, + { 24, 25, -12 } + } + }, + /* 8BPP/16BPC */ + { 512, 12, 6144, 19, 28, 27, 27, { + { 0, 12, 2 }, { 6, 14, 0 }, { 13, 17, 0 }, { 15, 20, -2 }, + { 19, 23, -4 }, { 19, 23, -6 }, { 19, 23, -8 }, { 19, 24, -8 }, + { 19, 25, -8 }, { 19, 26, -10 }, { 21, 26, -10 }, + { 21, 27, -12 }, { 21, 27, -12 }, { 25, 28, -12 }, + { 28, 29, -12 } + } + }, + }, + { + /* 10BPP/8BPC */ + { 410, 15, 5632, 3, 12, 11, 11, { + { 0, 3, 2 }, { 0, 4, 0 }, { 1, 5, 0 }, { 2, 6, -2 }, + { 3, 7, -4 }, { 3, 7, -6 }, { 3, 7, -8 }, { 3, 8, -8 }, + { 3, 9, -8 }, { 3, 9, -10 }, { 5, 10, -10 }, { 5, 10, -10 }, + { 5, 11, -12 }, { 7, 11, -12 }, { 11, 12, -12 } + } + }, + /* 10BPP/10BPC */ + { 410, 15, 5632, 7, 16, 15, 15, { + { 0, 7, 2 }, { 4, 8, 0 }, { 5, 9, 0 }, { 6, 10, -2 }, + { 7, 11, -4 }, { 7, 11, -6 }, { 7, 11, -8 }, { 7, 12, -8 }, + { 7, 13, -8 }, { 7, 13, -10 }, { 9, 14, -10 }, { 9, 14, -10 }, + { 9, 15, -12 }, { 11, 15, -12 }, { 15, 16, -12 } + } + }, + /* 10BPP/12BPC */ + { 410, 15, 5632, 11, 20, 19, 19, { + { 0, 11, 2 }, { 4, 12, 0 }, { 9, 13, 0 }, { 10, 14, -2 }, + { 11, 15, -4 }, { 11, 15, -6 }, { 11, 15, -8 }, { 11, 16, -8 }, + { 11, 17, -8 }, { 11, 17, -10 }, { 13, 18, -10 }, + { 13, 18, -10 }, { 13, 19, -12 }, { 15, 19, -12 }, + { 19, 20, -12 } + } + }, + /* 10BPP/14BPC */ + { 410, 15, 5632, 15, 24, 23, 23, { + { 0, 11, 2 }, { 5, 13, 0 }, { 11, 15, 0 }, { 13, 18, -2 }, + { 15, 19, -4 }, { 15, 19, -6 }, { 15, 19, -8 }, { 15, 20, -8 }, + { 15, 21, -8 }, { 15, 21, -10 }, { 17, 22, -10 }, + { 17, 22, -10 }, { 17, 23, -12 }, { 19, 23, -12 }, + { 23, 24, -12 } + } + }, + /* 10BPP/16BPC */ + { 410, 15, 5632, 19, 28, 27, 27, { + { 0, 11, 2 }, { 6, 14, 0 }, { 13, 17, 0 }, { 16, 20, -2 }, + { 19, 23, -4 }, { 19, 23, -6 }, { 19, 23, -8 }, { 19, 24, -8 }, + { 19, 25, -8 }, { 19, 25, -10 }, { 21, 26, -10 }, + { 21, 26, -10 }, { 21, 27, -12 }, { 23, 27, -12 }, + { 27, 28, -12 } + } + }, + }, + { + /* 12BPP/8BPC */ + { 341, 15, 2048, 3, 12, 11, 11, { + { 0, 2, 2 }, { 0, 4, 0 }, { 1, 5, 0 }, { 1, 6, -2 }, + { 3, 7, -4 }, { 3, 7, -6 }, { 3, 7, -8 }, { 3, 8, -8 }, + { 3, 9, -8 }, { 3, 10, -10 }, { 5, 11, -10 }, + { 5, 12, -12 }, { 5, 13, -12 }, { 7, 13, -12 }, { 13, 15, -12 } + } + }, + /* 12BPP/10BPC */ + { 341, 15, 2048, 7, 16, 15, 15, { + { 0, 2, 2 }, { 2, 5, 0 }, { 3, 7, 0 }, { 4, 8, -2 }, + { 6, 9, -4 }, { 7, 10, -6 }, { 7, 11, -8 }, { 7, 12, -8 }, + { 7, 13, -8 }, { 7, 14, -10 }, { 9, 15, -10 }, { 9, 16, -12 }, + { 9, 17, -12 }, { 11, 17, -12 }, { 17, 19, -12 } + } + }, + /* 12BPP/12BPC */ + { 341, 15, 2048, 11, 20, 19, 19, { + { 0, 6, 2 }, { 4, 9, 0 }, { 7, 11, 0 }, { 8, 12, -2 }, + { 10, 13, -4 }, { 11, 14, -6 }, { 11, 15, -8 }, { 11, 16, -8 }, + { 11, 17, -8 }, { 11, 18, -10 }, { 13, 19, -10 }, + { 13, 20, -12 }, { 13, 21, -12 }, { 15, 21, -12 }, + { 21, 23, -12 } + } + }, + /* 12BPP/14BPC */ + { 341, 15, 2048, 15, 24, 23, 23, { + { 0, 6, 2 }, { 7, 10, 0 }, { 9, 13, 0 }, { 11, 16, -2 }, + { 14, 17, -4 }, { 15, 18, -6 }, { 15, 19, -8 }, { 15, 20, -8 }, + { 15, 20, -8 }, { 15, 21, -10 }, { 17, 21, -10 }, + { 17, 21, -12 }, { 17, 21, -12 }, { 19, 22, -12 }, + { 22, 23, -12 } + } + }, + /* 12BPP/16BPC */ + { 341, 15, 2048, 19, 28, 27, 27, { + { 0, 6, 2 }, { 6, 11, 0 }, { 11, 15, 0 }, { 14, 18, -2 }, + { 18, 21, -4 }, { 19, 22, -6 }, { 19, 23, -8 }, { 19, 24, -8 }, + { 19, 24, -8 }, { 19, 25, -10 }, { 21, 25, -10 }, + { 21, 25, -12 }, { 21, 25, -12 }, { 23, 26, -12 }, + { 26, 27, -12 } + } + }, + }, + { + /* 15BPP/8BPC */ + { 273, 15, 2048, 3, 12, 11, 11, { + { 0, 0, 10 }, { 0, 1, 8 }, { 0, 1, 6 }, { 0, 2, 4 }, + { 1, 2, 2 }, { 1, 3, 0 }, { 1, 3, -2 }, { 2, 4, -4 }, + { 2, 5, -6 }, { 3, 5, -8 }, { 4, 6, -10 }, { 4, 7, -10 }, + { 5, 7, -12 }, { 7, 8, -12 }, { 8, 9, -12 } + } + }, + /* 15BPP/10BPC */ + { 273, 15, 2048, 7, 16, 15, 15, { + { 0, 2, 10 }, { 2, 5, 8 }, { 3, 5, 6 }, { 4, 6, 4 }, + { 5, 6, 2 }, { 5, 7, 0 }, { 5, 7, -2 }, { 6, 8, -4 }, + { 6, 9, -6 }, { 7, 9, -8 }, { 8, 10, -10 }, { 8, 11, -10 }, + { 9, 11, -12 }, { 11, 12, -12 }, { 12, 13, -12 } + } + }, + /* 15BPP/12BPC */ + { 273, 15, 2048, 11, 20, 19, 19, { + { 0, 4, 10 }, { 2, 7, 8 }, { 4, 9, 6 }, { 6, 11, 4 }, + { 9, 11, 2 }, { 9, 11, 0 }, { 9, 12, -2 }, { 10, 12, -4 }, + { 11, 13, -6 }, { 11, 13, -8 }, { 12, 14, -10 }, + { 13, 15, -10 }, { 13, 15, -12 }, { 15, 16, -12 }, + { 16, 17, -12 } + } + }, + /* 15BPP/14BPC */ + { 273, 15, 2048, 15, 24, 23, 23, { + { 0, 4, 10 }, { 3, 8, 8 }, { 6, 11, 6 }, { 9, 14, 4 }, + { 13, 15, 2 }, { 13, 15, 0 }, { 13, 16, -2 }, { 14, 16, -4 }, + { 15, 17, -6 }, { 15, 17, -8 }, { 16, 18, -10 }, + { 17, 19, -10 }, { 17, 19, -12 }, { 19, 20, -12 }, + { 20, 21, -12 } + } + }, + /* 15BPP/16BPC */ + { 273, 15, 2048, 19, 28, 27, 27, { + { 0, 4, 10 }, { 4, 9, 8 }, { 8, 13, 6 }, { 12, 17, 4 }, + { 17, 19, 2 }, { 17, 20, 0 }, { 17, 20, -2 }, { 18, 20, -4 }, + { 19, 21, -6 }, { 19, 21, -8 }, { 20, 22, -10 }, + { 21, 23, -10 }, { 21, 23, -12 }, { 23, 24, -12 }, + { 24, 25, -12 } + } + } + } +}; + +static int get_row_index_for_rc_params(u16 compressed_bpp) +{ + switch (compressed_bpp) { + case 6: + return ROW_INDEX_6BPP; + case 8: + return ROW_INDEX_8BPP; + case 10: + return ROW_INDEX_10BPP; + case 12: + return ROW_INDEX_12BPP; + case 15: + return ROW_INDEX_15BPP; + default: + return -EINVAL; + } +} + +static int get_column_index_for_rc_params(u8 bits_per_component) +{ + switch (bits_per_component) { + case 8: + return COLUMN_INDEX_8BPC; + case 10: + return COLUMN_INDEX_10BPC; + case 12: + return COLUMN_INDEX_12BPC; + case 14: + return COLUMN_INDEX_14BPC; + case 16: + return COLUMN_INDEX_16BPC; + default: + return -EINVAL; + } +} + +static const struct rc_parameters *get_rc_params(u16 compressed_bpp, + u8 bits_per_component) +{ + int row_index, column_index; + + row_index = get_row_index_for_rc_params(compressed_bpp); + if (row_index < 0) + return NULL; + + column_index = get_column_index_for_rc_params(bits_per_component); + if (column_index < 0) + return NULL; + + return &rc_parameters[row_index][column_index]; +} + +/** + * drm_dsc_setup_rc_params() - Set parameters and limits for RC model in + * accordance with the DSC 1.1 or 1.2 specification and DSC C Model + * Required bits_per_pixel and bits_per_component to be set before calling this + * function. + * + * @vdsc_cfg: DSC Configuration data partially filled by driver + * + * Return: 0 or -error code in case of an error + */ +int drm_dsc_setup_rc_params(struct drm_dsc_config *vdsc_cfg) +{ + const struct rc_parameters *rc_params; + int i; + + if (WARN_ON_ONCE(!vdsc_cfg->bits_per_pixel || + !vdsc_cfg->bits_per_component)) + return -EINVAL; + + /* fractional BPP is not supported */ + if (vdsc_cfg->bits_per_pixel & 0xf) + return -EINVAL; + + rc_params = get_rc_params(vdsc_cfg->bits_per_pixel >> 4, + vdsc_cfg->bits_per_component); + if (!rc_params) + return -EINVAL; + + vdsc_cfg->first_line_bpg_offset = rc_params->first_line_bpg_offset; + vdsc_cfg->initial_xmit_delay = rc_params->initial_xmit_delay; + vdsc_cfg->initial_offset = rc_params->initial_offset; + vdsc_cfg->flatness_min_qp = rc_params->flatness_min_qp; + vdsc_cfg->flatness_max_qp = rc_params->flatness_max_qp; + vdsc_cfg->rc_quant_incr_limit0 = rc_params->rc_quant_incr_limit0; + vdsc_cfg->rc_quant_incr_limit1 = rc_params->rc_quant_incr_limit1; + + for (i = 0; i < DSC_NUM_BUF_RANGES; i++) { + vdsc_cfg->rc_range_params[i].range_min_qp = + rc_params->rc_range_params[i].range_min_qp; + vdsc_cfg->rc_range_params[i].range_max_qp = + rc_params->rc_range_params[i].range_max_qp; + /* + * Range BPG Offset uses 2's complement and is only a 6 bits. So + * mask it to get only 6 bits. + */ + vdsc_cfg->rc_range_params[i].range_bpg_offset = + rc_params->rc_range_params[i].range_bpg_offset & + DSC_RANGE_BPG_OFFSET_MASK; + } + + return 0; +} +EXPORT_SYMBOL(drm_dsc_setup_rc_params); + /** * drm_dsc_compute_rc_parameters() - Write rate control * parameters to the dsc configuration defined in diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c index 38cc4b43f1cb..8f99434c4ebc 100644 --- a/drivers/gpu/drm/i915/display/intel_vdsc.c +++ b/drivers/gpu/drm/i915/display/intel_vdsc.c @@ -18,24 +18,6 @@ #include "intel_qp_tables.h" #include "intel_vdsc.h" -enum ROW_INDEX_BPP { - ROW_INDEX_6BPP = 0, - ROW_INDEX_8BPP, - ROW_INDEX_10BPP, - ROW_INDEX_12BPP, - ROW_INDEX_15BPP, - MAX_ROW_INDEX -}; - -enum COLUMN_INDEX_BPC { - COLUMN_INDEX_8BPC = 0, - COLUMN_INDEX_10BPC, - COLUMN_INDEX_12BPC, - COLUMN_INDEX_14BPC, - COLUMN_INDEX_16BPC, - MAX_COLUMN_INDEX -}; - struct rc_parameters { u16 initial_xmit_delay; u8 first_line_bpg_offset; @@ -47,296 +29,6 @@ struct rc_parameters { struct drm_dsc_rc_range_parameters rc_range_params[DSC_NUM_BUF_RANGES]; }; -/* - * Selected Rate Control Related Parameter Recommended Values - * from DSC_v1.11 spec & C Model release: DSC_model_20161212 - */ -static const struct rc_parameters rc_parameters[][MAX_COLUMN_INDEX] = { -{ - /* 6BPP/8BPC */ - { 768, 15, 6144, 3, 13, 11, 11, { - { 0, 4, 0 }, { 1, 6, -2 }, { 3, 8, -2 }, { 4, 8, -4 }, - { 5, 9, -6 }, { 5, 9, -6 }, { 6, 9, -6 }, { 6, 10, -8 }, - { 7, 11, -8 }, { 8, 12, -10 }, { 9, 12, -10 }, { 10, 12, -12 }, - { 10, 12, -12 }, { 11, 12, -12 }, { 13, 14, -12 } - } - }, - /* 6BPP/10BPC */ - { 768, 15, 6144, 7, 17, 15, 15, { - { 0, 8, 0 }, { 3, 10, -2 }, { 7, 12, -2 }, { 8, 12, -4 }, - { 9, 13, -6 }, { 9, 13, -6 }, { 10, 13, -6 }, { 10, 14, -8 }, - { 11, 15, -8 }, { 12, 16, -10 }, { 13, 16, -10 }, - { 14, 16, -12 }, { 14, 16, -12 }, { 15, 16, -12 }, - { 17, 18, -12 } - } - }, - /* 6BPP/12BPC */ - { 768, 15, 6144, 11, 21, 19, 19, { - { 0, 12, 0 }, { 5, 14, -2 }, { 11, 16, -2 }, { 12, 16, -4 }, - { 13, 17, -6 }, { 13, 17, -6 }, { 14, 17, -6 }, { 14, 18, -8 }, - { 15, 19, -8 }, { 16, 20, -10 }, { 17, 20, -10 }, - { 18, 20, -12 }, { 18, 20, -12 }, { 19, 20, -12 }, - { 21, 22, -12 } - } - }, - /* 6BPP/14BPC */ - { 768, 15, 6144, 15, 25, 23, 23, { - { 0, 16, 0 }, { 7, 18, -2 }, { 15, 20, -2 }, { 16, 20, -4 }, - { 17, 21, -6 }, { 17, 21, -6 }, { 18, 21, -6 }, { 18, 22, -8 }, - { 19, 23, -8 }, { 20, 24, -10 }, { 21, 24, -10 }, - { 22, 24, -12 }, { 22, 24, -12 }, { 23, 24, -12 }, - { 25, 26, -12 } - } - }, - /* 6BPP/16BPC */ - { 768, 15, 6144, 19, 29, 27, 27, { - { 0, 20, 0 }, { 9, 22, -2 }, { 19, 24, -2 }, { 20, 24, -4 }, - { 21, 25, -6 }, { 21, 25, -6 }, { 22, 25, -6 }, { 22, 26, -8 }, - { 23, 27, -8 }, { 24, 28, -10 }, { 25, 28, -10 }, - { 26, 28, -12 }, { 26, 28, -12 }, { 27, 28, -12 }, - { 29, 30, -12 } - } - }, -}, -{ - /* 8BPP/8BPC */ - { 512, 12, 6144, 3, 12, 11, 11, { - { 0, 4, 2 }, { 0, 4, 0 }, { 1, 5, 0 }, { 1, 6, -2 }, - { 3, 7, -4 }, { 3, 7, -6 }, { 3, 7, -8 }, { 3, 8, -8 }, - { 3, 9, -8 }, { 3, 10, -10 }, { 5, 11, -10 }, { 5, 12, -12 }, - { 5, 13, -12 }, { 7, 13, -12 }, { 13, 15, -12 } - } - }, - /* 8BPP/10BPC */ - { 512, 12, 6144, 7, 16, 15, 15, { - /* - * DSC model/pre-SCR-cfg has 8 for range_max_qp[0], however - * VESA DSC 1.1 Table E-5 sets it to 4. - */ - { 0, 4, 2 }, { 4, 8, 0 }, { 5, 9, 0 }, { 5, 10, -2 }, - { 7, 11, -4 }, { 7, 11, -6 }, { 7, 11, -8 }, { 7, 12, -8 }, - { 7, 13, -8 }, { 7, 14, -10 }, { 9, 15, -10 }, { 9, 16, -12 }, - { 9, 17, -12 }, { 11, 17, -12 }, { 17, 19, -12 } - } - }, - /* 8BPP/12BPC */ - { 512, 12, 6144, 11, 20, 19, 19, { - { 0, 12, 2 }, { 4, 12, 0 }, { 9, 13, 0 }, { 9, 14, -2 }, - { 11, 15, -4 }, { 11, 15, -6 }, { 11, 15, -8 }, { 11, 16, -8 }, - { 11, 17, -8 }, { 11, 18, -10 }, { 13, 19, -10 }, - { 13, 20, -12 }, { 13, 21, -12 }, { 15, 21, -12 }, - { 21, 23, -12 } - } - }, - /* 8BPP/14BPC */ - { 512, 12, 6144, 15, 24, 23, 23, { - { 0, 12, 2 }, { 5, 13, 0 }, { 11, 15, 0 }, { 12, 17, -2 }, - { 15, 19, -4 }, { 15, 19, -6 }, { 15, 19, -8 }, { 15, 20, -8 }, - { 15, 21, -8 }, { 15, 22, -10 }, { 17, 22, -10 }, - { 17, 23, -12 }, { 17, 23, -12 }, { 21, 24, -12 }, - { 24, 25, -12 } - } - }, - /* 8BPP/16BPC */ - { 512, 12, 6144, 19, 28, 27, 27, { - { 0, 12, 2 }, { 6, 14, 0 }, { 13, 17, 0 }, { 15, 20, -2 }, - { 19, 23, -4 }, { 19, 23, -6 }, { 19, 23, -8 }, { 19, 24, -8 }, - { 19, 25, -8 }, { 19, 26, -10 }, { 21, 26, -10 }, - { 21, 27, -12 }, { 21, 27, -12 }, { 25, 28, -12 }, - { 28, 29, -12 } - } - }, -}, -{ - /* 10BPP/8BPC */ - { 410, 15, 5632, 3, 12, 11, 11, { - { 0, 3, 2 }, { 0, 4, 0 }, { 1, 5, 0 }, { 2, 6, -2 }, - { 3, 7, -4 }, { 3, 7, -6 }, { 3, 7, -8 }, { 3, 8, -8 }, - { 3, 9, -8 }, { 3, 9, -10 }, { 5, 10, -10 }, { 5, 10, -10 }, - { 5, 11, -12 }, { 7, 11, -12 }, { 11, 12, -12 } - } - }, - /* 10BPP/10BPC */ - { 410, 15, 5632, 7, 16, 15, 15, { - { 0, 7, 2 }, { 4, 8, 0 }, { 5, 9, 0 }, { 6, 10, -2 }, - { 7, 11, -4 }, { 7, 11, -6 }, { 7, 11, -8 }, { 7, 12, -8 }, - { 7, 13, -8 }, { 7, 13, -10 }, { 9, 14, -10 }, { 9, 14, -10 }, - { 9, 15, -12 }, { 11, 15, -12 }, { 15, 16, -12 } - } - }, - /* 10BPP/12BPC */ - { 410, 15, 5632, 11, 20, 19, 19, { - { 0, 11, 2 }, { 4, 12, 0 }, { 9, 13, 0 }, { 10, 14, -2 }, - { 11, 15, -4 }, { 11, 15, -6 }, { 11, 15, -8 }, { 11, 16, -8 }, - { 11, 17, -8 }, { 11, 17, -10 }, { 13, 18, -10 }, - { 13, 18, -10 }, { 13, 19, -12 }, { 15, 19, -12 }, - { 19, 20, -12 } - } - }, - /* 10BPP/14BPC */ - { 410, 15, 5632, 15, 24, 23, 23, { - { 0, 11, 2 }, { 5, 13, 0 }, { 11, 15, 0 }, { 13, 18, -2 }, - { 15, 19, -4 }, { 15, 19, -6 }, { 15, 19, -8 }, { 15, 20, -8 }, - { 15, 21, -8 }, { 15, 21, -10 }, { 17, 22, -10 }, - { 17, 22, -10 }, { 17, 23, -12 }, { 19, 23, -12 }, - { 23, 24, -12 } - } - }, - /* 10BPP/16BPC */ - { 410, 15, 5632, 19, 28, 27, 27, { - { 0, 11, 2 }, { 6, 14, 0 }, { 13, 17, 0 }, { 16, 20, -2 }, - { 19, 23, -4 }, { 19, 23, -6 }, { 19, 23, -8 }, { 19, 24, -8 }, - { 19, 25, -8 }, { 19, 25, -10 }, { 21, 26, -10 }, - { 21, 26, -10 }, { 21, 27, -12 }, { 23, 27, -12 }, - { 27, 28, -12 } - } - }, -}, -{ - /* 12BPP/8BPC */ - { 341, 15, 2048, 3, 12, 11, 11, { - { 0, 2, 2 }, { 0, 4, 0 }, { 1, 5, 0 }, { 1, 6, -2 }, - { 3, 7, -4 }, { 3, 7, -6 }, { 3, 7, -8 }, { 3, 8, -8 }, - { 3, 9, -8 }, { 3, 10, -10 }, { 5, 11, -10 }, - { 5, 12, -12 }, { 5, 13, -12 }, { 7, 13, -12 }, { 13, 15, -12 } - } - }, - /* 12BPP/10BPC */ - { 341, 15, 2048, 7, 16, 15, 15, { - { 0, 2, 2 }, { 2, 5, 0 }, { 3, 7, 0 }, { 4, 8, -2 }, - { 6, 9, -4 }, { 7, 10, -6 }, { 7, 11, -8 }, { 7, 12, -8 }, - { 7, 13, -8 }, { 7, 14, -10 }, { 9, 15, -10 }, { 9, 16, -12 }, - { 9, 17, -12 }, { 11, 17, -12 }, { 17, 19, -12 } - } - }, - /* 12BPP/12BPC */ - { 341, 15, 2048, 11, 20, 19, 19, { - { 0, 6, 2 }, { 4, 9, 0 }, { 7, 11, 0 }, { 8, 12, -2 }, - { 10, 13, -4 }, { 11, 14, -6 }, { 11, 15, -8 }, { 11, 16, -8 }, - { 11, 17, -8 }, { 11, 18, -10 }, { 13, 19, -10 }, - { 13, 20, -12 }, { 13, 21, -12 }, { 15, 21, -12 }, - { 21, 23, -12 } - } - }, - /* 12BPP/14BPC */ - { 341, 15, 2048, 15, 24, 23, 23, { - { 0, 6, 2 }, { 7, 10, 0 }, { 9, 13, 0 }, { 11, 16, -2 }, - { 14, 17, -4 }, { 15, 18, -6 }, { 15, 19, -8 }, { 15, 20, -8 }, - { 15, 20, -8 }, { 15, 21, -10 }, { 17, 21, -10 }, - { 17, 21, -12 }, { 17, 21, -12 }, { 19, 22, -12 }, - { 22, 23, -12 } - } - }, - /* 12BPP/16BPC */ - { 341, 15, 2048, 19, 28, 27, 27, { - { 0, 6, 2 }, { 6, 11, 0 }, { 11, 15, 0 }, { 14, 18, -2 }, - { 18, 21, -4 }, { 19, 22, -6 }, { 19, 23, -8 }, { 19, 24, -8 }, - { 19, 24, -8 }, { 19, 25, -10 }, { 21, 25, -10 }, - { 21, 25, -12 }, { 21, 25, -12 }, { 23, 26, -12 }, - { 26, 27, -12 } - } - }, -}, -{ - /* 15BPP/8BPC */ - { 273, 15, 2048, 3, 12, 11, 11, { - { 0, 0, 10 }, { 0, 1, 8 }, { 0, 1, 6 }, { 0, 2, 4 }, - { 1, 2, 2 }, { 1, 3, 0 }, { 1, 3, -2 }, { 2, 4, -4 }, - { 2, 5, -6 }, { 3, 5, -8 }, { 4, 6, -10 }, { 4, 7, -10 }, - { 5, 7, -12 }, { 7, 8, -12 }, { 8, 9, -12 } - } - }, - /* 15BPP/10BPC */ - { 273, 15, 2048, 7, 16, 15, 15, { - { 0, 2, 10 }, { 2, 5, 8 }, { 3, 5, 6 }, { 4, 6, 4 }, - { 5, 6, 2 }, { 5, 7, 0 }, { 5, 7, -2 }, { 6, 8, -4 }, - { 6, 9, -6 }, { 7, 9, -8 }, { 8, 10, -10 }, { 8, 11, -10 }, - { 9, 11, -12 }, { 11, 12, -12 }, { 12, 13, -12 } - } - }, - /* 15BPP/12BPC */ - { 273, 15, 2048, 11, 20, 19, 19, { - { 0, 4, 10 }, { 2, 7, 8 }, { 4, 9, 6 }, { 6, 11, 4 }, - { 9, 11, 2 }, { 9, 11, 0 }, { 9, 12, -2 }, { 10, 12, -4 }, - { 11, 13, -6 }, { 11, 13, -8 }, { 12, 14, -10 }, - { 13, 15, -10 }, { 13, 15, -12 }, { 15, 16, -12 }, - { 16, 17, -12 } - } - }, - /* 15BPP/14BPC */ - { 273, 15, 2048, 15, 24, 23, 23, { - { 0, 4, 10 }, { 3, 8, 8 }, { 6, 11, 6 }, { 9, 14, 4 }, - { 13, 15, 2 }, { 13, 15, 0 }, { 13, 16, -2 }, { 14, 16, -4 }, - { 15, 17, -6 }, { 15, 17, -8 }, { 16, 18, -10 }, - { 17, 19, -10 }, { 17, 19, -12 }, { 19, 20, -12 }, - { 20, 21, -12 } - } - }, - /* 15BPP/16BPC */ - { 273, 15, 2048, 19, 28, 27, 27, { - { 0, 4, 10 }, { 4, 9, 8 }, { 8, 13, 6 }, { 12, 17, 4 }, - { 17, 19, 2 }, { 17, 20, 0 }, { 17, 20, -2 }, { 18, 20, -4 }, - { 19, 21, -6 }, { 19, 21, -8 }, { 20, 22, -10 }, - { 21, 23, -10 }, { 21, 23, -12 }, { 23, 24, -12 }, - { 24, 25, -12 } - } - } -} - -}; - -static int get_row_index_for_rc_params(u16 compressed_bpp) -{ - switch (compressed_bpp) { - case 6: - return ROW_INDEX_6BPP; - case 8: - return ROW_INDEX_8BPP; - case 10: - return ROW_INDEX_10BPP; - case 12: - return ROW_INDEX_12BPP; - case 15: - return ROW_INDEX_15BPP; - default: - return -EINVAL; - } -} - -static int get_column_index_for_rc_params(u8 bits_per_component) -{ - switch (bits_per_component) { - case 8: - return COLUMN_INDEX_8BPC; - case 10: - return COLUMN_INDEX_10BPC; - case 12: - return COLUMN_INDEX_12BPC; - case 14: - return COLUMN_INDEX_14BPC; - case 16: - return COLUMN_INDEX_16BPC; - default: - return -EINVAL; - } -} - -static const struct rc_parameters *get_rc_params(u16 compressed_bpp, - u8 bits_per_component) -{ - int row_index, column_index; - - row_index = get_row_index_for_rc_params(compressed_bpp); - if (row_index < 0) - return NULL; - - column_index = get_column_index_for_rc_params(bits_per_component); - if (column_index < 0) - return NULL; - - return &rc_parameters[row_index][column_index]; -} - bool intel_dsc_source_support(const struct intel_crtc_state *crtc_state) { const struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); @@ -454,6 +146,7 @@ int intel_dsc_compute_params(struct intel_crtc_state *pipe_config) const struct rc_parameters *rc_params; struct rc_parameters *rc = NULL; u8 i = 0; + int ret; vdsc_cfg->pic_width = pipe_config->hw.adjusted_mode.crtc_hdisplay; vdsc_cfg->slice_width = DIV_ROUND_UP(vdsc_cfg->pic_width, @@ -483,10 +176,11 @@ int intel_dsc_compute_params(struct intel_crtc_state *pipe_config) calculate_rc_params(rc, vdsc_cfg); rc_params = rc; } else { - rc_params = get_rc_params(compressed_bpp, - vdsc_cfg->bits_per_component); - if (!rc_params) - return -EINVAL; + ret = drm_dsc_setup_rc_params(vdsc_cfg); + if (ret) + return ret; + + goto out; } vdsc_cfg->first_line_bpg_offset = rc_params->first_line_bpg_offset; @@ -525,6 +219,7 @@ int intel_dsc_compute_params(struct intel_crtc_state *pipe_config) vdsc_cfg->rc_range_params[0].range_bpg_offset = 0; } +out: /* * BitsPerComponent value determines mux_word_size: * When BitsPerComponent is less than or 10bpc, muxWordSize will be equal to diff --git a/include/drm/display/drm_dsc_helper.h b/include/drm/display/drm_dsc_helper.h index 706ba1d34742..1681791f65a5 100644 --- a/include/drm/display/drm_dsc_helper.h +++ b/include/drm/display/drm_dsc_helper.h @@ -15,6 +15,7 @@ int drm_dsc_dp_rc_buffer_size(u8 rc_buffer_block_size, u8 rc_buffer_size); void drm_dsc_pps_payload_pack(struct drm_dsc_picture_parameter_set *pps_sdp, const struct drm_dsc_config *dsc_cfg); void drm_dsc_set_rc_buf_thresh(struct drm_dsc_config *vdsc_cfg); +int drm_dsc_setup_rc_params(struct drm_dsc_config *vdsc_cfg); int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg); #endif /* _DRM_DSC_HELPER_H_ */