From patchwork Thu Aug 22 16:23:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13773939 X-Patchwork-Delegate: kieran@bingham.xyz Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 6612A1CC155 for ; Thu, 22 Aug 2024 16:28:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724344122; cv=none; b=iAlG32qcbmWbRtF068PPlUqgwqEzZyFAyAEFDq8LVh0xvoXaLmiBOEJ3IhDF3DpNoSOj8k5urtHpi09VbxnwM27jvwpXVeQH5Ys7jKwRsbMVuCLXNi3BSMu71fhESOkSvNBxJRIX3+eKqwevqVoiexKzZbYgSfkPXI0vNlTselY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724344122; c=relaxed/simple; bh=kiz2aE4jAEzZI70CXGeMSOfESDIXJ93r158KlxKciks=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=b/sxe9sOHsyOgn7xR9tN/gxO8A4329t6AgZpFeMoUPsQmO/EkxVLKerzDI0oQNcqIyIYhq1JP5rMobLgBTwp3uKcEOt9j5GuK/WscIez1As33iUn4YX3yWQ63mEsu48jprHuXiDT5dfZTQrQBik7LVIjSk846v++dpRqecnS+nE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.renesas.com; arc=none smtp.client-ip=210.160.252.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-IronPort-AV: E=Sophos;i="6.10,167,1719846000"; d="scan'208";a="216311618" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 23 Aug 2024 01:23:38 +0900 Received: from localhost.localdomain (unknown [10.226.92.15]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 2930D4007CF2; Fri, 23 Aug 2024 01:23:33 +0900 (JST) From: Biju Das To: Biju Das , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter Cc: Laurent Pinchart , Kieran Bingham , Geert Uytterhoeven , Magnus Damm , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Prabhakar Mahadev Lad , Biju Das Subject: [PATCH v4 2/4] drm: renesas: rz-du: Add RZ/G2UL DU Support Date: Thu, 22 Aug 2024 17:23:15 +0100 Message-ID: <20240822162320.5084-3-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240822162320.5084-1-biju.das.jz@bp.renesas.com> References: <20240822162320.5084-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The LCD controller is composed of Frame Compression Processor (FCPVD), Video Signal Processor (VSPD), and Display Unit (DU). It has DPI interface and supports a maximum resolution of WXGA along with 2 RPFs to support the blending of two picture layers and raster operations (ROPs). The DU module is connected to VSPD. Add RZ/G2UL DU support. Signed-off-by: Biju Das Reviewed-by: Laurent Pinchart --- v3->v4: * Used "&" instead of "==" in rzg2l_du_start_stop() for scalability. * Restored port variable in struct rzg2l_du_output_routing * Updated rzg2l_du_encoders_init() to handle port based on hardware indices. v2->v3: * Avoided the line break in rzg2l_du_start_stop() for rstate. * Replaced port->du_output in struct rzg2l_du_output_routing and dropped using the port number to indicate the output type in rzg2l_du_encoders_init(). * Updated rzg2l_du_r9a07g043u_info and rzg2l_du_r9a07g044_info v1->v2: * No change. --- drivers/gpu/drm/renesas/rz-du/rzg2l_du_crtc.c | 8 +++++++- drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.c | 11 +++++++++++ drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c | 3 ++- 3 files changed, 20 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/renesas/rz-du/rzg2l_du_crtc.c b/drivers/gpu/drm/renesas/rz-du/rzg2l_du_crtc.c index 6e7aac6219be..c4c1474d487e 100644 --- a/drivers/gpu/drm/renesas/rz-du/rzg2l_du_crtc.c +++ b/drivers/gpu/drm/renesas/rz-du/rzg2l_du_crtc.c @@ -28,6 +28,7 @@ #include "rzg2l_du_vsp.h" #define DU_MCR0 0x00 +#define DU_MCR0_DPI_OE BIT(0) #define DU_MCR0_DI_EN BIT(8) #define DU_DITR0 0x10 @@ -216,9 +217,14 @@ static void rzg2l_du_crtc_put(struct rzg2l_du_crtc *rcrtc) static void rzg2l_du_start_stop(struct rzg2l_du_crtc *rcrtc, bool start) { + struct rzg2l_du_crtc_state *rstate = to_rzg2l_crtc_state(rcrtc->crtc.state); struct rzg2l_du_device *rcdu = rcrtc->dev; + u32 val = DU_MCR0_DI_EN; - writel(start ? DU_MCR0_DI_EN : 0, rcdu->mmio + DU_MCR0); + if (rstate->outputs & BIT(RZG2L_DU_OUTPUT_DPAD0)) + val |= DU_MCR0_DPI_OE; + + writel(start ? val : 0, rcdu->mmio + DU_MCR0); } static void rzg2l_du_crtc_start(struct rzg2l_du_crtc *rcrtc) diff --git a/drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.c b/drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.c index e5eca8691a33..bc7c381f92ac 100644 --- a/drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.c +++ b/drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.c @@ -25,6 +25,16 @@ * Device Information */ +static const struct rzg2l_du_device_info rzg2l_du_r9a07g043u_info = { + .channels_mask = BIT(0), + .routes = { + [RZG2L_DU_OUTPUT_DPAD0] = { + .possible_outputs = BIT(0), + .port = 0, + }, + }, +}; + static const struct rzg2l_du_device_info rzg2l_du_r9a07g044_info = { .channels_mask = BIT(0), .routes = { @@ -40,6 +50,7 @@ static const struct rzg2l_du_device_info rzg2l_du_r9a07g044_info = { }; static const struct of_device_id rzg2l_du_of_table[] = { + { .compatible = "renesas,r9a07g043u-du", .data = &rzg2l_du_r9a07g043u_info }, { .compatible = "renesas,r9a07g044-du", .data = &rzg2l_du_r9a07g044_info }, { /* sentinel */ } }; diff --git a/drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c b/drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c index 07b312b6f81e..b99217b4e05d 100644 --- a/drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c +++ b/drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c @@ -183,7 +183,8 @@ static int rzg2l_du_encoders_init(struct rzg2l_du_device *rcdu) /* Find the output route corresponding to the port number. */ for (i = 0; i < RZG2L_DU_OUTPUT_MAX; ++i) { - if (rcdu->info->routes[i].port == ep.port) { + if (rcdu->info->routes[i].possible_outputs && + rcdu->info->routes[i].port == ep.port) { output = i; break; }