From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E94E7C433DF for ; Tue, 4 Aug 2020 11:11:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D09B3206F6 for ; Tue, 4 Aug 2020 11:11:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mailerdienst.de header.i=@mailerdienst.de header.b="xzZyfE0G" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728853AbgHDLLB (ORCPT ); Tue, 4 Aug 2020 07:11:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54170 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727813AbgHDLF0 (ORCPT ); Tue, 4 Aug 2020 07:05:26 -0400 Received: from mxwww.masterlogin.de (mxwww.masterlogin.de [IPv6:2a03:2900:1:1::b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8344C061756 for ; Tue, 4 Aug 2020 04:05:13 -0700 (PDT) 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 Cc: Frank Wunderlich , Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stu Hsieh 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 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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); -- 2.25.1