From patchwork Tue Aug 4 10:58:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Wunderlich X-Patchwork-Id: 11701465 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A5A8914DD for ; Wed, 5 Aug 2020 07:13:29 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8955921744 for ; Wed, 5 Aug 2020 07:13:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mailerdienst.de header.i=@mailerdienst.de header.b="xzZyfE0G" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8955921744 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=fw-web.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F29446E092; Wed, 5 Aug 2020 07:13:16 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org X-Greylist: delayed 348 seconds by postgrey-1.36 at gabe; Tue, 04 Aug 2020 11:05:12 UTC Received: from mxwww.masterlogin.de (mxwww.masterlogin.de [IPv6:2a03:2900:1:1::b]) by gabe.freedesktop.org (Postfix) with ESMTPS id EBAA96E1A7 for ; Tue, 4 Aug 2020 11:05:12 +0000 (UTC) Received: from mxout3.routing.net (unknown [192.168.10.111]) by forward.mxwww.masterlogin.de (Postfix) with ESMTPS id E584C96151; Tue, 4 Aug 2020 10:59:23 +0000 (UTC) Received: from mxbox3.masterlogin.de (unknown [192.168.10.78]) by mxout3.routing.net (Postfix) with ESMTP id B02C360560; Tue, 4 Aug 2020 10:59:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1596538763; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=B86p5OzLDmr6mfN9YLgudVr42FJAVN1y3jmWTYRV1rA=; b=xzZyfE0G9Tt8GBUNeuU1zR7bkZzgxkWULAqa+bHXKcfGREFr0bGEtQ8WRQM+G/sbOGKz6d 6gG9SY5JAfXaUxxPMlMa7+YIuYvB5eDK9NuvhylfMHzJ09c5w8atBTb+0QwIfC8Q5PdXHi 2gRePhwVPXzWt/utPTGgbQM+hP/XHYc= Received: from localhost.localdomain (fttx-pool-217.61.144.119.bambit.de [217.61.144.119]) by mxbox3.masterlogin.de (Postfix) with ESMTPSA id ED9FE3603F1; Tue, 4 Aug 2020 10:59:22 +0000 (UTC) From: Frank Wunderlich To: linux-mediatek@lists.infradead.org Subject: [PATCH v3 3/5] drm: Add get_possible_crtc API for dpi, dsi Date: Tue, 4 Aug 2020 12:58:47 +0200 Message-Id: <20200804105849.70876-4-linux@fw-web.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200804105849.70876-1-linux@fw-web.de> References: <20200804105849.70876-1-linux@fw-web.de> MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 05 Aug 2020 07:13:16 +0000 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: Chun-Kuang Hu , Frank Wunderlich , David Airlie , Stu Hsieh , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Stu Hsieh For current mediatek dsi encoder, its possible crtc is fixed in crtc 0, and mediatek dpi encoder's possible crtc is fixed in crtc 1. In some SoC the possible crtc is not fixed in this case, so search pipeline information to find out the correct possible crtc. Signed-off-by: Stu Hsieh Signed-off-by: Frank Wunderlich --- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 42 +++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 2 + 2 files changed, 44 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 57c88de9a329..a5f2ff6bea93 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -13,6 +13,8 @@ #include #include #include +#include + #include "mtk_drm_drv.h" #include "mtk_drm_plane.h" #include "mtk_drm_ddp_comp.h" @@ -412,6 +414,22 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL }, }; +static bool mtk_drm_find_comp_in_ddp(struct mtk_ddp_comp ddp_comp, + const enum mtk_ddp_comp_id *path, + unsigned int path_len) +{ + unsigned int i; + + if (path == NULL) + return false; + + for (i = 0U; i < path_len; i++) + if (ddp_comp.id == path[i]) + return true; + + return false; +} + int mtk_ddp_comp_get_id(struct device_node *node, enum mtk_ddp_comp_type comp_type) { @@ -427,6 +445,30 @@ int mtk_ddp_comp_get_id(struct device_node *node, return -EINVAL; } +unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm, + struct mtk_ddp_comp ddp_comp) +{ + struct mtk_drm_private *private = drm->dev_private; + unsigned int ret; + + if (mtk_drm_find_comp_in_ddp(ddp_comp, private->data->main_path, + private->data->main_len) == true) { + ret = BIT(0); + } else if (mtk_drm_find_comp_in_ddp(ddp_comp, + private->data->ext_path, + private->data->ext_len) == true) { + ret = BIT(1); + } else if (mtk_drm_find_comp_in_ddp(ddp_comp, + private->data->third_path, + private->data->third_len) == true) { + ret = BIT(2); + } else { + DRM_INFO("Failed to find comp in ddp table\n"); + ret = 0; + } + return ret; +} + int mtk_ddp_comp_init(struct device *dev, struct device_node *node, struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id, const struct mtk_ddp_comp_funcs *funcs) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index debe36395fe7..1d9e00b69462 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -202,6 +202,8 @@ static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp, int mtk_ddp_comp_get_id(struct device_node *node, enum mtk_ddp_comp_type comp_type); +unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm, + struct mtk_ddp_comp ddp_comp); int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node, struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id, const struct mtk_ddp_comp_funcs *funcs);