From patchwork Fri Dec 22 17:42:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Bee X-Patchwork-Id: 13503601 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 7FFD6C4706C for ; Fri, 22 Dec 2023 17:43:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6579410E85D; Fri, 22 Dec 2023 17:42:44 +0000 (UTC) Received: from mail-wm1-x32f.google.com (mail-wm1-x32f.google.com [IPv6:2a00:1450:4864:20::32f]) by gabe.freedesktop.org (Postfix) with ESMTPS id 306C410E81B for ; Fri, 22 Dec 2023 17:42:38 +0000 (UTC) Received: by mail-wm1-x32f.google.com with SMTP id 5b1f17b1804b1-40d4a222818so3419655e9.0 for ; Fri, 22 Dec 2023 09:42:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1703266956; x=1703871756; darn=lists.freedesktop.org; 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=SzkYbwlGueFkeXw8MQWVExgytplkJ2Nf/UnR4OES2p8=; b=jws0tdBzzcmXbZmol+eV0/92NKJkHlANBs3H5pBiwtCBd3+5oDrfKKAocRELgTcp/Y 2mlEfDoDfx9cRlffYNCpo8VpeYqbF02rThzxiYUM+5exjOwifPldKz/fNpCpqnd+u/uG oIRzqDO6SEylcdeaR0T+s7dO65TeMndOalbnDpu0rW806/V3NeNz9kH9Vc9OVHG03MzK ZQPmsowKogNc6miLn8g7qd9myIB2QVhcCzzYtnns3XTQ3LLmErfJiJTrcfNIvQKYVTPb dYvtRHY9Le7gq6uBYMlfU/DiiySXhGuDEcRNvgyNu4gaOyML0cTYnjHYffX+hpr1Njoa MA+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703266956; x=1703871756; 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=SzkYbwlGueFkeXw8MQWVExgytplkJ2Nf/UnR4OES2p8=; b=MXhbAqynnB5uB2/s9rTqaEO22TySfdgqlDmkdn9DCcJP1fu3Rw/doZaH415XmFyNUe osXYhnyimnleObTgZHjdjBujyjn/3OqdlC39c6J3ysnlRz6b8HNHwtxppCopF9lZZ0ka zA/OGeClSLH0ZFmYYhu1Hd0jqPjgpqaZyvQhpEoV/JIpqbP9ZHyj5MgDKv+NOTjAUUUg cwDx8PPeFaI9FbclzhxO/FIB83Ip1tVDu+a58sTCJo1cByGLFGn/JjRj3u0vRU0Z8bW4 u7iB1UPB9QjNUyqGUUr3W0m38uwnc2dnccwqfTp29tXTO7B0edMKx0FBXZL+pftJ7qlB kL+g== X-Gm-Message-State: AOJu0YxqJIBMVfmpNWisa6YmydZxhrG9j9q0CoqdvPyJbbQ7NvzJuSmx k/TpYPEoX5NHxglMbk8oEQ== X-Google-Smtp-Source: AGHT+IGjw9eaTW3bYuJzaeJRxodZiDLkX0kYbSh2SunwyP2K37rlC164b3cp2fGSEgNHWdq2zTdZoQ== X-Received: by 2002:a05:600c:4e87:b0:40b:4808:5d0a with SMTP id f7-20020a05600c4e8700b0040b48085d0amr983939wmq.17.1703266956443; Fri, 22 Dec 2023 09:42:36 -0800 (PST) Received: from U4.lan ([2a02:810b:f40:4300:f3ae:2788:7e03:f44]) by smtp.gmail.com with ESMTPSA id w10-20020adfec4a000000b00336670abdcasm4777116wrn.40.2023.12.22.09.42.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Dec 2023 09:42:36 -0800 (PST) From: Alex Bee To: Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley Subject: [PATCH v4 20/29] drm/rockchip: inno_hdmi: Correctly setup HDMI quantization range Date: Fri, 22 Dec 2023 18:42:11 +0100 Message-ID: <20231222174220.55249-21-knaerzche@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231222174220.55249-1-knaerzche@gmail.com> References: <20231222174220.55249-1-knaerzche@gmail.com> 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: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Alex Bee , linux-rockchip@lists.infradead.org, David Airlie , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The display controller will always give full range RGB regardless of the mode set, but HDMI requires certain modes to be transmitted in limited range RGB. This is especially required for HDMI sinks which do not support non-standard quantization ranges. This enables color space conversion for those modes and sets the quantization range accordingly in the AVI infoframe. Signed-off-by: Alex Bee --- changes in v2: - made rgb_limited_range part of the new custom connector state changes in v3: - moved assignment of rgb_limited_range to atomic check changes in v4: - none drivers/gpu/drm/rockchip/inno_hdmi.c | 60 +++++++++++++++++++--------- 1 file changed, 42 insertions(+), 18 deletions(-) diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c index e43fce968310..f3b90b479ab9 100644 --- a/drivers/gpu/drm/rockchip/inno_hdmi.c +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c @@ -53,6 +53,7 @@ struct inno_hdmi_connector_state { struct drm_connector_state base; unsigned int enc_out_format; unsigned int colorimetry; + bool rgb_limited_range; }; static struct inno_hdmi *encoder_to_inno_hdmi(struct drm_encoder *encoder) @@ -270,6 +271,18 @@ static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi, else frame.avi.colorspace = HDMI_COLORSPACE_RGB; + if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_RGB) { + drm_hdmi_avi_infoframe_quant_range(&frame.avi, + connector, mode, + inno_conn_state->rgb_limited_range ? + HDMI_QUANTIZATION_RANGE_LIMITED : + HDMI_QUANTIZATION_RANGE_FULL); + } else { + frame.avi.quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT; + frame.avi.ycc_quantization_range = + HDMI_YCC_QUANTIZATION_RANGE_LIMITED; + } + return inno_hdmi_upload_frame(hdmi, &frame, HDMI_INFOFRAME_TYPE_AVI); } @@ -297,29 +310,37 @@ static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi) hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL2, value); if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_RGB) { - value = v_SOF_DISABLE | v_COLOR_DEPTH_NOT_INDICATED(1); - hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL3, value); - - hdmi_modb(hdmi, HDMI_VIDEO_CONTRL, - m_VIDEO_AUTO_CSC | m_VIDEO_C0_C2_SWAP, - v_VIDEO_AUTO_CSC(AUTO_CSC_DISABLE) | - v_VIDEO_C0_C2_SWAP(C0_C2_CHANGE_DISABLE)); - return 0; - } - - if (inno_conn_state->colorimetry == HDMI_COLORIMETRY_ITU_601) { - if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_YUV444) { - csc_mode = CSC_RGB_0_255_TO_ITU601_16_235_8BIT; + if (inno_conn_state->rgb_limited_range) { + csc_mode = CSC_RGB_0_255_TO_RGB_16_235_8BIT; auto_csc = AUTO_CSC_DISABLE; c0_c2_change = C0_C2_CHANGE_DISABLE; csc_enable = v_CSC_ENABLE; + + } else { + value = v_SOF_DISABLE | v_COLOR_DEPTH_NOT_INDICATED(1); + hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL3, value); + + hdmi_modb(hdmi, HDMI_VIDEO_CONTRL, + m_VIDEO_AUTO_CSC | m_VIDEO_C0_C2_SWAP, + v_VIDEO_AUTO_CSC(AUTO_CSC_DISABLE) | + v_VIDEO_C0_C2_SWAP(C0_C2_CHANGE_DISABLE)); + return 0; } } else { - if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_YUV444) { - csc_mode = CSC_RGB_0_255_TO_ITU709_16_235_8BIT; - auto_csc = AUTO_CSC_DISABLE; - c0_c2_change = C0_C2_CHANGE_DISABLE; - csc_enable = v_CSC_ENABLE; + if (inno_conn_state->colorimetry == HDMI_COLORIMETRY_ITU_601) { + if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_YUV444) { + csc_mode = CSC_RGB_0_255_TO_ITU601_16_235_8BIT; + auto_csc = AUTO_CSC_DISABLE; + c0_c2_change = C0_C2_CHANGE_DISABLE; + csc_enable = v_CSC_ENABLE; + } + } else { + if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_YUV444) { + csc_mode = CSC_RGB_0_255_TO_ITU709_16_235_8BIT; + auto_csc = AUTO_CSC_DISABLE; + c0_c2_change = C0_C2_CHANGE_DISABLE; + csc_enable = v_CSC_ENABLE; + } } } @@ -473,6 +494,8 @@ inno_hdmi_encoder_atomic_check(struct drm_encoder *encoder, inno_conn_state->colorimetry = HDMI_COLORIMETRY_ITU_709; inno_conn_state->enc_out_format = HDMI_COLORSPACE_RGB; + inno_conn_state->rgb_limited_range = + drm_default_rgb_quant_range(mode) == HDMI_QUANTIZATION_RANGE_LIMITED; return 0; } @@ -559,6 +582,7 @@ static void inno_hdmi_connector_reset(struct drm_connector *connector) inno_conn_state->colorimetry = HDMI_COLORIMETRY_ITU_709; inno_conn_state->enc_out_format = HDMI_COLORSPACE_RGB; + inno_conn_state->rgb_limited_range = false; } static struct drm_connector_state *