From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stu Hsieh Subject: [PATCH 27/28] drm/mediatek: add third ddp path Date: Mon, 11 Jun 2018 11:26:19 +0800 Message-ID: <1528687580-549-28-git-send-email-stu.hsieh@mediatek.com> References: <1528687580-549-1-git-send-email-stu.hsieh@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1528687580-549-1-git-send-email-stu.hsieh@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: CK Hu , Philipp Zabel Cc: David Airlie , Rob Herring , Mark Rutland , Matthias Brugger , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, Stu Hsieh List-Id: devicetree@vger.kernel.org This patch create third crtc by third ddp path Signed-off-by: Stu Hsieh --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 3 +++ drivers/gpu/drm/mediatek/mtk_drm_drv.c | 5 +++++ drivers/gpu/drm/mediatek/mtk_drm_drv.h | 5 ++++- 3 files changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 658b8dd45b83..2d6aa150a9ff 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -539,6 +539,9 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, int ret; int i; + if (!path) + return 0; + for (i = 0; i < path_len; i++) { enum mtk_ddp_comp_id comp_id = path[i]; struct device_node *node; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 08d5d0b47bfe..3d279a299383 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -232,6 +232,11 @@ static int mtk_drm_kms_init(struct drm_device *drm) if (ret < 0) goto err_component_unbind; + ret = mtk_drm_crtc_create(drm, private->data->third_path, + private->data->third_len); + if (ret < 0) + goto err_component_unbind; + /* Use OVL device for all DMA memory allocations */ np = private->comp_node[private->data->main_path[0]] ?: private->comp_node[private->data->ext_path[0]]; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index c3378c452c0a..ecc00ca3221d 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -17,7 +17,7 @@ #include #include "mtk_drm_ddp_comp.h" -#define MAX_CRTC 2 +#define MAX_CRTC 3 #define MAX_CONNECTOR 2 struct device; @@ -33,6 +33,9 @@ struct mtk_mmsys_driver_data { unsigned int main_len; const enum mtk_ddp_comp_id *ext_path; unsigned int ext_len; + const enum mtk_ddp_comp_id *third_path; + unsigned int third_len; + bool shadow_register; }; -- 2.12.5