From patchwork Tue Dec 19 17:00:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Bee X-Patchwork-Id: 13498603 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 92EA3C46CCD for ; Tue, 19 Dec 2023 17:03:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=X/Etv4HG72Eg0XrWw2J+dGpD3LGjjZA1EAUKFkUppOk=; b=ksUL2OKq9AA0J0 5FvP7MdoZjsRPQQjk8WXRjHw9jz5TjDwjj8Z0/vX9ih+deI2DDrT4hklo5/r4h5rx1hg6T6dBZY84 t8i11FgtKvVDLQrOVsBbgF83xLsg+JOpkZM5q0njRwFALkehfQgx9rNk4QQ+TIGNrbG4JlUcdGFV5 2dOpXY9c1kpghFy0sOAwIMmMKqjSv2aT2EMQb8FDCLHcNKC6I1Y14XPT5pmeInq6foM1dyFDNLAUC pCuHc16EymTHQEoHuO/b3fSMgSIZNehDNImDpon/ehb0t/U9Ny0mWEnXv9ucSiIJDmOv1am3IbXo7 h8blmDGzgrpzP/D8kcRw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rFdUd-00EpkA-0A; Tue, 19 Dec 2023 17:02:55 +0000 Received: from mail-wm1-x32c.google.com ([2a00:1450:4864:20::32c]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rFdTD-00EoF9-1I; Tue, 19 Dec 2023 17:01:31 +0000 Received: by mail-wm1-x32c.google.com with SMTP id 5b1f17b1804b1-40d2376db79so9389085e9.0; Tue, 19 Dec 2023 09:01:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1703005285; x=1703610085; darn=lists.infradead.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=XAqGTQIWGOGvPcvI30gGZkG+UcVd1X4ARFNZ3GdyHUM=; b=cLPwgLpda0joXYFdBIK6rX8r2aoCXkuh3oinc4c+FtqxVNxmldhUyhwzzbQul1R+Cn eFxjCSwd/Fsu8x3uheNDN5owX7K3CpPtg4Y6wYx8E7t4UHmxcJSjnMmZ6kCbvWqWL3PG 7oOBeLtE+G+FKiq1KPKhSSssYQ4qEakAw+Yd2zsSwvWdvKaf41n8HE6+yWQE6pQjAJAg 9xQSaEq5LChVIlnIXemfrL1LtLDAXNmVWg1cVkRvc/iXTOZkc88VT8qjNiX+fUAYb22m Yi45qno8aTXzscbUx1/NVJGlgi5HOZBEBsfFUjjtV3pcc/IRHaD48JuLYp9j34uIQtyO GCCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703005285; x=1703610085; 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=XAqGTQIWGOGvPcvI30gGZkG+UcVd1X4ARFNZ3GdyHUM=; b=UpK+eynT5qfGMcBHL9Vh9AngyMJvc8rrw0Ap2iqsPqerXPR4AaXfnAEIhaaLX3avg4 fmyJV2C72ngNpgzNYcfKE+c/lDMoj/HXDwvfOwi/oyykXSgnUmVUkGRqVV6Zpz2im15h NlftKYL47AauIrywsAkaF/L1WxI4ir6GJcB34KFZvg0N7ombmD4VkvEZRRaT6RUXZuqV wa3QBvKjuUurXFm+v3H1fK9+TTEVHudBBTgSBUtvtrVcC0kZJc37ggEfJfqkMpDOWIJF sfdXlCyDqzVVWv8wQIVh9xRt49r9oKPJlH4l3UvMGq7Wu9cWkpmRslix1yloESDcX0kq xjGA== X-Gm-Message-State: AOJu0YzawQswtCDJW8xqvrgf6vxnNs+ya1Y16jLPRCbqfmzJRs1U0ylh ey8vEW2WX79r9MHCLcEdug== X-Google-Smtp-Source: AGHT+IH+E5UeGRN5eSjeOL+7FoXZ7yugNnZYROlsSGPz8s7Ex5qjyxn+jCN6zIVj9hVPz9tQj3kqMw== X-Received: by 2002:a05:600c:3b06:b0:40c:3158:6467 with SMTP id m6-20020a05600c3b0600b0040c31586467mr10786965wms.1.1703005285545; Tue, 19 Dec 2023 09:01:25 -0800 (PST) Received: from U4.lan ([2a02:810b:f40:4300:7ae5:3e:d1c6:a138]) by smtp.gmail.com with ESMTPSA id i7-20020a05600c354700b0040d2805d158sm3225878wmq.48.2023.12.19.09.01.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Dec 2023 09:01:25 -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 Cc: David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Alex Bee Subject: [PATCH v3 20/29] drm/rockchip: inno_hdmi: Correctly setup HDMI quantization range Date: Tue, 19 Dec 2023 18:00:50 +0100 Message-ID: <20231219170100.188800-21-knaerzche@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231219170100.188800-1-knaerzche@gmail.com> References: <20231219170100.188800-1-knaerzche@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231219_090127_589626_B1F6AE85 X-CRM114-Status: GOOD ( 15.46 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 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 7ce5836fc80d..e6d37772500c 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; } @@ -543,6 +566,7 @@ 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 *