From patchwork Wed Oct 23 16:50:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Stevenson X-Patchwork-Id: 13847561 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 77204CFA457 for ; Wed, 23 Oct 2024 16:50:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0AAC910E83B; Wed, 23 Oct 2024 16:50:39 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=raspberrypi.com header.i=@raspberrypi.com header.b="BC7FjCP7"; dkim-atps=neutral Received: from mail-wm1-f44.google.com (mail-wm1-f44.google.com [209.85.128.44]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7235710E242 for ; Wed, 23 Oct 2024 16:50:23 +0000 (UTC) Received: by mail-wm1-f44.google.com with SMTP id 5b1f17b1804b1-43168d9c6c9so51271655e9.3 for ; Wed, 23 Oct 2024 09:50:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=raspberrypi.com; s=google; t=1729702222; x=1730307022; darn=lists.freedesktop.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=xZSl/F4a59d6cGzaQ8UBGb7tAkWNLG3z9Ozwy3jDhoY=; b=BC7FjCP73t6uU8ljUutFY/cHlbwrj3refAzsIq16dVqRkjTxLRY8bQZ5m32BqeKuTu z0G4Apb2RIHpqBan1taMeDOrd47/7tAf/cAgX9XcZYKpubt3Ma8F6u3vEPQ6VdTV3+7K 6RvMCIxuCK+T7K85+lFcldKmRU3sGT97BNwg/lZ0hLX1ruUWd+QFhzuPXWSXzNb/1zhX 3KKBC48SBOn+DtjKkD3iAMyFoFeK5mxHcCsC/1X2mmjUXDlPmZdC6jcbLr7T6FA/b978 Ab7yXpXzAsth96yarFp5eawKQ9obPGQcG9M6z6Xjmv0UvmZtvt15ZCwVFkmW79SmhRyZ 2qYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729702222; x=1730307022; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=xZSl/F4a59d6cGzaQ8UBGb7tAkWNLG3z9Ozwy3jDhoY=; b=bkasyq6JgeW/Mc1imoFM/cP7QlMEEg9y5G+LdcE+bir0gZahQEAV0jVNjTGFBIiSN9 Rv6HImWu45vzlNVnm/PY8PdlnDEL8TWqGez+PTTfxJuVIapQIobpbA8PR+macgBAGYvm vkYt9J9mqfI5jFEEtU3NVfQKm6dlcwFM0A/x9xBV+lCKJE9ujyNSaJnc0kPEKacYGu3g 7qxYgfjsEr+ULgIMu/FBsThK+6I6kNCcfIsbBUWFX7SucAaaJEw160Sk14rOpNGl7H+m TFat3/jE3BjMv3s45frR7yQdw3Hr88ek0nJ+pvqEC43CSTAzooL6gFJvLXQc4wEuEfVE BVlQ== X-Gm-Message-State: AOJu0Yw9aguYdeelPnXygX/RwCgP3ojNcNXDMUFgpqO1lt/F6PfqYphp siPvx7YdPFOD72+GxDwI5q9wuxmsDSlFon9xh58QUslUhp3Y5XGr0oQ6kBSEb14= X-Google-Smtp-Source: AGHT+IGVp4GJMwBRKlS9Q12L5xPs/An67Q2sllEQsQWhIVdFiJ7lcu6JT07uXS8WxSxC/y5+CBUMhw== X-Received: by 2002:a05:600c:1c29:b0:431:5df7:b310 with SMTP id 5b1f17b1804b1-43184142c50mr24298445e9.8.1729702221727; Wed, 23 Oct 2024 09:50:21 -0700 (PDT) Received: from [127.0.1.1] ([2a00:1098:3142:e::8]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-43186c50445sm21642035e9.39.2024.10.23.09.50.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Oct 2024 09:50:21 -0700 (PDT) From: Dave Stevenson Date: Wed, 23 Oct 2024 17:50:11 +0100 Subject: [PATCH 14/37] drm/vc4: txp: Introduce structure to deal with revision differences MIME-Version: 1.0 Message-Id: <20241023-drm-vc4-2712-support-v1-14-1cc2d5594907@raspberrypi.com> References: <20241023-drm-vc4-2712-support-v1-0-1cc2d5594907@raspberrypi.com> In-Reply-To: <20241023-drm-vc4-2712-support-v1-0-1cc2d5594907@raspberrypi.com> To: Maxime Ripard , =?utf-8?q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Ray Jui , Scott Branden , Michael Turquette , Stephen Boyd , Javier Martinez Canillas , Catalin Marinas , Will Deacon Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Dave Stevenson X-Mailer: b4 0.14.1 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Maxime Ripard The BCM2712 will have several TXP with small differences. Let's add a structure tied to the compatible to deal with those differences. Signed-off-by: Maxime Ripard Signed-off-by: Dave Stevenson --- drivers/gpu/drm/vc4/tests/vc4_mock.c | 4 ++-- drivers/gpu/drm/vc4/vc4_drv.h | 6 +++++- drivers/gpu/drm/vc4/vc4_txp.c | 23 ++++++++++++++++------- 3 files changed, 23 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/vc4/tests/vc4_mock.c b/drivers/gpu/drm/vc4/tests/vc4_mock.c index 6527fb1db71e..c7b91c87f1bc 100644 --- a/drivers/gpu/drm/vc4/tests/vc4_mock.c +++ b/drivers/gpu/drm/vc4/tests/vc4_mock.c @@ -51,7 +51,7 @@ struct vc4_mock_desc { static const struct vc4_mock_desc vc4_mock = VC4_MOCK_DESC( - VC4_MOCK_CRTC_DESC(&vc4_txp_crtc_data, + VC4_MOCK_CRTC_DESC(&vc4_txp_data.base, VC4_MOCK_OUTPUT_DESC(VC4_ENCODER_TYPE_TXP, DRM_MODE_ENCODER_VIRTUAL, DRM_MODE_CONNECTOR_WRITEBACK)), @@ -77,7 +77,7 @@ static const struct vc4_mock_desc vc4_mock = static const struct vc4_mock_desc vc5_mock = VC4_MOCK_DESC( - VC4_MOCK_CRTC_DESC(&vc4_txp_crtc_data, + VC4_MOCK_CRTC_DESC(&vc4_txp_data.base, VC4_MOCK_OUTPUT_DESC(VC4_ENCODER_TYPE_TXP, DRM_MODE_ENCODER_VIRTUAL, DRM_MODE_CONNECTOR_WRITEBACK)), diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index a68cea921c11..1ed1fb5aa7e8 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -536,7 +536,11 @@ struct vc4_crtc_data { int hvs_output; }; -extern const struct vc4_crtc_data vc4_txp_crtc_data; +struct vc4_txp_data { + struct vc4_crtc_data base; +}; + +extern const struct vc4_txp_data vc4_txp_data; struct vc4_pv_data { struct vc4_crtc_data base; diff --git a/drivers/gpu/drm/vc4/vc4_txp.c b/drivers/gpu/drm/vc4/vc4_txp.c index ffe1f7d1b911..dcb1b3fd37de 100644 --- a/drivers/gpu/drm/vc4/vc4_txp.c +++ b/drivers/gpu/drm/vc4/vc4_txp.c @@ -159,6 +159,7 @@ struct vc4_txp { struct vc4_crtc base; + const struct vc4_txp_data *data; struct platform_device *pdev; @@ -484,17 +485,20 @@ static irqreturn_t vc4_txp_interrupt(int irq, void *data) return IRQ_HANDLED; } -const struct vc4_crtc_data vc4_txp_crtc_data = { - .name = "txp", - .debugfs_name = "txp_regs", - .hvs_available_channels = BIT(2), - .hvs_output = 2, +const struct vc4_txp_data vc4_txp_data = { + .base = { + .name = "txp", + .debugfs_name = "txp_regs", + .hvs_available_channels = BIT(2), + .hvs_output = 2, + }, }; static int vc4_txp_bind(struct device *dev, struct device *master, void *data) { struct platform_device *pdev = to_platform_device(dev); struct drm_device *drm = dev_get_drvdata(master); + const struct vc4_txp_data *txp_data; struct vc4_encoder *vc4_encoder; struct drm_encoder *encoder; struct vc4_crtc *vc4_crtc; @@ -509,6 +513,11 @@ static int vc4_txp_bind(struct device *dev, struct device *master, void *data) if (!txp) return -ENOMEM; + txp_data = of_device_get_match_data(dev); + if (!txp_data) + return -ENODEV; + + txp->data = txp_data; txp->pdev = pdev; txp->regs = vc4_ioremap_regs(pdev, 0); if (IS_ERR(txp->regs)) @@ -519,7 +528,7 @@ static int vc4_txp_bind(struct device *dev, struct device *master, void *data) vc4_crtc->regset.regs = txp_regs; vc4_crtc->regset.nregs = ARRAY_SIZE(txp_regs); - ret = vc4_crtc_init(drm, pdev, vc4_crtc, &vc4_txp_crtc_data, + ret = vc4_crtc_init(drm, pdev, vc4_crtc, &txp_data->base, &vc4_txp_crtc_funcs, &vc4_txp_crtc_helper_funcs, true); if (ret) return ret; @@ -579,7 +588,7 @@ static void vc4_txp_remove(struct platform_device *pdev) } static const struct of_device_id vc4_txp_dt_match[] = { - { .compatible = "brcm,bcm2835-txp" }, + { .compatible = "brcm,bcm2835-txp", .data = &vc4_txp_data }, { /* sentinel */ }, };