From patchwork Wed Dec 8 02:44:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?TmFuY3kgTGluICjmnpfmrKPonqIp?= X-Patchwork-Id: 12663395 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 65E0CC433EF for ; Wed, 8 Dec 2021 03:16:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8aD/5tc5HVPvYpmrBBhOloVYxnAVi4T40z15pWNUGoU=; b=LvJKjggshGLJii h5a3fQPEbLl0wbO2atqK8RD/+o1aDIzuYEmERsTMxK+k+8cptlx0r3BwS280r3EU5A5/Im5cb3XUE i5aHX7BIgX8pQiWReJyqJd/CrQpb53sdY7VFIPBda8jGq95gk6txGc59jZfHUw5Fsjfo94jonO1TK arjew+MJOWJ7QMxj1eAiDdkFZf3jPrruZhgh0aB94qKqIZkJVJRBD3FOXk5k7q1/Y/yujUNQZ3cn7 ppMVYWsRxAigNXrIXt1fEmHPj358sasg2lSG/JsRWNqDKZTTYXkKuOYdCIkTHG3VpXp1LWepwPQqj twKFHx24lIfrlzLCUv+w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1munRW-00Avsi-4M; Wed, 08 Dec 2021 03:16:30 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mun6P-00Amvb-C2; Wed, 08 Dec 2021 02:54:50 +0000 X-UUID: 192c1f4a11c34232b96b6aecd18a1bb2-20211207 X-UUID: 192c1f4a11c34232b96b6aecd18a1bb2-20211207 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1171670083; Tue, 07 Dec 2021 19:54:31 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 7 Dec 2021 18:44:36 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Wed, 8 Dec 2021 10:44:30 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 8 Dec 2021 10:44:30 +0800 From: Nancy.Lin To: CK Hu CC: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Rob Herring , Matthias Brugger , "jason-jh . lin" , "Nancy . Lin" , Yongqiang Niu , , , , , , , Subject: [PATCH v10 19/22] drm/mediatek: modify mediatek-drm for mt8195 multi mmsys support Date: Wed, 8 Dec 2021 10:44:23 +0800 Message-ID: <20211208024426.15595-20-nancy.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20211208024426.15595-1-nancy.lin@mediatek.com> References: <20211208024426.15595-1-nancy.lin@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211207_185441_526473_05405888 X-CRM114-Status: GOOD ( 25.61 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org MT8195 have two mmsys. Modify drm for MT8195 multi-mmsys support. The two mmsys (vdosys0 and vdosys1) will bring up two drm drivers, only one drm driver register as the drm device. Each drm driver binds its own component. The last bind drm driver allocates and registers the drm device to drm core. Each crtc path is created with the corresponding drm driver data. Signed-off-by: Nancy.Lin --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 24 +- drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 3 +- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 300 ++++++++++++++++++------ drivers/gpu/drm/mediatek/mtk_drm_drv.h | 10 +- 4 files changed, 246 insertions(+), 91 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index d661edf7e0fe..fe2871aca859 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -847,21 +847,28 @@ static int mtk_drm_crtc_init_comp_planes(struct drm_device *drm_dev, } int mtk_drm_crtc_create(struct drm_device *drm_dev, - const enum mtk_ddp_comp_id *path, unsigned int path_len) + const enum mtk_ddp_comp_id *path, unsigned int path_len, + int priv_data_index) { struct mtk_drm_private *priv = drm_dev->dev_private; struct device *dev = drm_dev->dev; struct mtk_drm_crtc *mtk_crtc; unsigned int num_comp_planes = 0; - int pipe = priv->num_pipes; int ret; int i; bool has_ctm = false; uint gamma_lut_size = 0; + struct drm_crtc *tmp; + int crtc_i = 0; if (!path) return 0; + priv = priv->all_drm_private[priv_data_index]; + + drm_for_each_crtc(tmp, drm_dev) + crtc_i++; + for (i = 0; i < path_len; i++) { enum mtk_ddp_comp_id comp_id = path[i]; struct device_node *node; @@ -873,7 +880,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, if (!node) { dev_info(dev, "Not creating crtc %d because component %d is disabled or missing\n", - pipe, comp_id); + crtc_i, comp_id); return 0; } @@ -926,29 +933,28 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) { ret = mtk_drm_crtc_init_comp_planes(drm_dev, mtk_crtc, i, - pipe); + crtc_i); if (ret) return ret; } - ret = mtk_drm_crtc_init(drm_dev, mtk_crtc, pipe); + ret = mtk_drm_crtc_init(drm_dev, mtk_crtc, crtc_i); if (ret < 0) return ret; if (gamma_lut_size) drm_mode_crtc_set_gamma_size(&mtk_crtc->base, gamma_lut_size); drm_crtc_enable_color_mgmt(&mtk_crtc->base, 0, has_ctm, gamma_lut_size); - priv->num_pipes++; mutex_init(&mtk_crtc->hw_lock); #if IS_REACHABLE(CONFIG_MTK_CMDQ) + i = (priv->data->mbox_index) ? priv->data->mbox_index[drm_crtc_index(&mtk_crtc->base)] : 0; mtk_crtc->cmdq_client.client.dev = mtk_crtc->mmsys_dev; mtk_crtc->cmdq_client.client.tx_block = false; mtk_crtc->cmdq_client.client.knows_txdone = true; mtk_crtc->cmdq_client.client.rx_callback = ddp_cmdq_cb; mtk_crtc->cmdq_client.chan = - mbox_request_channel(&mtk_crtc->cmdq_client.client, - drm_crtc_index(&mtk_crtc->base)); + mbox_request_channel(&mtk_crtc->cmdq_client.client, i); if (IS_ERR(mtk_crtc->cmdq_client.chan)) { dev_dbg(dev, "mtk_crtc %d failed to create mailbox client, writing register by CPU now\n", drm_crtc_index(&mtk_crtc->base)); @@ -958,7 +964,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, if (mtk_crtc->cmdq_client.chan) { ret = of_property_read_u32_index(priv->mutex_node, "mediatek,gce-events", - drm_crtc_index(&mtk_crtc->base), + i, &mtk_crtc->cmdq_event); if (ret) { dev_dbg(dev, "mtk_crtc %d failed to get mediatek,gce-events property\n", diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h index cb9a36c48d4f..a57eb12d7c05 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h @@ -17,7 +17,8 @@ void mtk_drm_crtc_commit(struct drm_crtc *crtc); int mtk_drm_crtc_create(struct drm_device *drm_dev, const enum mtk_ddp_comp_id *path, - unsigned int path_len); + unsigned int path_len, + int priv_data_index); int mtk_drm_crtc_plane_check(struct drm_crtc *crtc, struct drm_plane *plane, struct mtk_plane_state *state); void mtk_drm_crtc_async_update(struct drm_crtc *crtc, struct drm_plane *plane, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 390cda4bae57..a05703843af2 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -196,6 +196,7 @@ static const struct mtk_mmsys_driver_data mt2701_mmsys_driver_data = { .ext_path = mt2701_mtk_ddp_ext, .ext_len = ARRAY_SIZE(mt2701_mtk_ddp_ext), .shadow_register = true, + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = { @@ -204,6 +205,7 @@ static const struct mtk_mmsys_driver_data mt7623_mmsys_driver_data = { .ext_path = mt7623_mtk_ddp_ext, .ext_len = ARRAY_SIZE(mt7623_mtk_ddp_ext), .shadow_register = true, + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = { @@ -213,11 +215,13 @@ static const struct mtk_mmsys_driver_data mt2712_mmsys_driver_data = { .ext_len = ARRAY_SIZE(mt2712_mtk_ddp_ext), .third_path = mt2712_mtk_ddp_third, .third_len = ARRAY_SIZE(mt2712_mtk_ddp_third), + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt8167_mmsys_driver_data = { .main_path = mt8167_mtk_ddp_main, .main_len = ARRAY_SIZE(mt8167_mtk_ddp_main), + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = { @@ -225,6 +229,7 @@ static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = { .main_len = ARRAY_SIZE(mt8173_mtk_ddp_main), .ext_path = mt8173_mtk_ddp_ext, .ext_len = ARRAY_SIZE(mt8173_mtk_ddp_ext), + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = { @@ -232,6 +237,7 @@ static const struct mtk_mmsys_driver_data mt8183_mmsys_driver_data = { .main_len = ARRAY_SIZE(mt8183_mtk_ddp_main), .ext_path = mt8183_mtk_ddp_ext, .ext_len = ARRAY_SIZE(mt8183_mtk_ddp_ext), + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { @@ -239,32 +245,116 @@ static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { .main_len = ARRAY_SIZE(mt8192_mtk_ddp_main), .ext_path = mt8192_mtk_ddp_ext, .ext_len = ARRAY_SIZE(mt8192_mtk_ddp_ext), + .mmsys_dev_num = 1, }; static const struct mtk_mmsys_driver_data mt8195_vdosys0_driver_data = { .main_path = mt8195_mtk_ddp_main, .main_len = ARRAY_SIZE(mt8195_mtk_ddp_main), + .mmsys_dev_num = 2, }; +static const struct of_device_id mtk_drm_of_ids[] = { + { .compatible = "mediatek,mt2701-mmsys", + .data = &mt2701_mmsys_driver_data}, + { .compatible = "mediatek,mt7623-mmsys", + .data = &mt7623_mmsys_driver_data}, + { .compatible = "mediatek,mt2712-mmsys", + .data = &mt2712_mmsys_driver_data}, + { .compatible = "mediatek,mt8167-mmsys", + .data = &mt8167_mmsys_driver_data}, + { .compatible = "mediatek,mt8173-mmsys", + .data = &mt8173_mmsys_driver_data}, + { .compatible = "mediatek,mt8183-mmsys", + .data = &mt8183_mmsys_driver_data}, + { .compatible = "mediatek,mt8192-mmsys", + .data = &mt8192_mmsys_driver_data}, + { .compatible = "mediatek,mt8195-vdosys0", + .data = &mt8195_vdosys0_driver_data}, + { } +}; +MODULE_DEVICE_TABLE(of, mtk_drm_of_ids); + +static int mtk_drm_match(struct device *dev, void *data) +{ + if (!strncmp(dev_name(dev), "mediatek-drm", sizeof("mediatek-drm") - 1)) + return true; + return false; +} + +static bool mtk_drm_get_all_drm_priv(struct device *dev) +{ + struct mtk_drm_private *drm_priv = dev_get_drvdata(dev); + struct mtk_drm_private *all_drm_priv[MAX_CRTC]; + struct device_node *phandle = dev->parent->of_node; + const struct of_device_id *of_id; + struct device_node *node; + struct device *drm_dev; + int cnt = 0; + int i, j; + + for_each_child_of_node(phandle->parent, node) { + struct platform_device *pdev; + + of_id = of_match_node(mtk_drm_of_ids, node); + if (!of_id) + continue; + + pdev = of_find_device_by_node(node); + if (!pdev) + continue; + + drm_dev = device_find_child(&pdev->dev, NULL, mtk_drm_match); + if (!drm_dev || !dev_get_drvdata(drm_dev)) + continue; + + all_drm_priv[cnt] = dev_get_drvdata(drm_dev); + if (all_drm_priv[cnt] && all_drm_priv[cnt]->mtk_drm_bound) + cnt++; + } + + if (drm_priv->data->mmsys_dev_num == cnt) { + for (i = 0; i < cnt; i++) + for (j = 0; j < cnt; j++) + all_drm_priv[j]->all_drm_private[i] = all_drm_priv[i]; + + return true; + } + + return false; +} + +static bool mtk_drm_find_mmsys_comp(struct mtk_drm_private *private, int comp_id) +{ + const struct mtk_mmsys_driver_data *drv_data = private->data; + int i; + + if (drv_data->main_path) + for (i = 0; i < drv_data->main_len; i++) + if (drv_data->main_path[i] == comp_id) + return true; + + if (drv_data->ext_path) + for (i = 0; i < drv_data->ext_len; i++) + if (drv_data->ext_path[i] == comp_id) + return true; + + if (drv_data->third_path) + for (i = 0; i < drv_data->third_len; i++) + if (drv_data->third_path[i] == comp_id) + return true; + + return false; +} + static int mtk_drm_kms_init(struct drm_device *drm) { struct mtk_drm_private *private = drm->dev_private; + struct mtk_drm_private *priv_n; struct platform_device *pdev; - struct device_node *np; + struct device_node *np = NULL; struct device *dma_dev; - int ret; - - if (!iommu_present(&platform_bus_type)) - return -EPROBE_DEFER; - - pdev = of_find_device_by_node(private->mutex_node); - if (!pdev) { - dev_err(drm->dev, "Waiting for disp-mutex device %pOF\n", - private->mutex_node); - of_node_put(private->mutex_node); - return -EPROBE_DEFER; - } - private->mutex_dev = &pdev->dev; + int ret, i, j; ret = drmm_mode_config_init(drm); if (ret) @@ -283,33 +373,61 @@ static int mtk_drm_kms_init(struct drm_device *drm) drm->mode_config.funcs = &mtk_drm_mode_config_funcs; drm->mode_config.helper_private = &mtk_drm_mode_config_helpers; - ret = component_bind_all(drm->dev, drm); - if (ret) - goto put_mutex_dev; + for (i = 0; i < private->data->mmsys_dev_num; i++) { + drm->dev_private = private->all_drm_private[i]; + ret = component_bind_all(private->all_drm_private[i]->dev, drm); + if (ret) + goto put_mutex_dev; + } /* - * We currently support two fixed data streams, each optional, - * and each statically assigned to a crtc: - * OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 ... + * 1. We currently support two fixed data streams, each optional, + * and each statically assigned to a crtc: + * OVL0 -> COLOR0 -> AAL -> OD -> RDMA0 -> UFOE -> DSI0 ... + * 2. For multi mmsys architecture, crtc path data are located in + * different drm private data structures. Loop through crtc index to + * create crtc from the main path and then ext_path and finally the + * third path. + * 3. Use OVL device for all DMA memory allocations */ - ret = mtk_drm_crtc_create(drm, private->data->main_path, - private->data->main_len); - if (ret < 0) - goto err_component_unbind; - /* ... and OVL1 -> COLOR1 -> GAMMA -> RDMA1 -> DPI0. */ - ret = mtk_drm_crtc_create(drm, private->data->ext_path, - private->data->ext_len); - 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; + for (i = 0; i < MAX_CRTC; i++) { + for (j = 0; j < private->data->mmsys_dev_num; j++) { + priv_n = private->all_drm_private[j]; + + if (i == 0 && priv_n->data->main_len) { + ret = mtk_drm_crtc_create(drm, priv_n->data->main_path, + priv_n->data->main_len, j); + if (ret) + goto err_component_unbind; + + if (!np) + np = priv_n->comp_node[priv_n->data->main_path[0]]; + + continue; + } else if (i == 1 && priv_n->data->ext_len) { + ret = mtk_drm_crtc_create(drm, priv_n->data->ext_path, + priv_n->data->ext_len, j); + if (ret) + goto err_component_unbind; + + if (!np) + np = priv_n->comp_node[priv_n->data->ext_path[0]]; + + continue; + } else if (i == 2 && priv_n->data->third_len) { + ret = mtk_drm_crtc_create(drm, priv_n->data->third_path, + priv_n->data->third_len, j); + if (ret) + goto err_component_unbind; + + if (!np) + np = priv_n->comp_node[priv_n->data->third_path[0]]; + + continue; + } + } + } - /* 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]]; pdev = of_find_device_by_node(np); if (!pdev) { ret = -ENODEV; @@ -318,7 +436,8 @@ static int mtk_drm_kms_init(struct drm_device *drm) } dma_dev = &pdev->dev; - private->dma_dev = dma_dev; + for (i = 0; i < private->data->mmsys_dev_num; i++) + private->all_drm_private[i]->dma_dev = dma_dev; /* * Configure the DMA segment size to make sure we get contiguous IOVA @@ -340,9 +459,12 @@ static int mtk_drm_kms_init(struct drm_device *drm) return 0; err_component_unbind: - component_unbind_all(drm->dev, drm); + for (i = 0; i < private->data->mmsys_dev_num; i++) + component_unbind_all(private->all_drm_private[i]->dev, drm); put_mutex_dev: - put_device(private->mutex_dev); + for (i = 0; i < private->data->mmsys_dev_num; i++) + put_device(private->all_drm_private[i]->mutex_dev); + return ret; } @@ -395,15 +517,36 @@ static int compare_of(struct device *dev, void *data) static int mtk_drm_bind(struct device *dev) { struct mtk_drm_private *private = dev_get_drvdata(dev); + struct platform_device *pdev; struct drm_device *drm; - int ret; + int ret, i; + + if (!iommu_present(&platform_bus_type)) + return -EPROBE_DEFER; + + pdev = of_find_device_by_node(private->mutex_node); + if (!pdev) { + dev_err(dev, "Waiting for disp-mutex device %pOF\n", + private->mutex_node); + of_node_put(private->mutex_node); + return -EPROBE_DEFER; + } + + private->mutex_dev = &pdev->dev; + private->mtk_drm_bound = true; + private->dev = dev; + + if (!mtk_drm_get_all_drm_priv(dev)) + return 0; drm = drm_dev_alloc(&mtk_drm_driver, dev); if (IS_ERR(drm)) return PTR_ERR(drm); + private->drm_master = true; drm->dev_private = private; - private->drm = drm; + for (i = 0; i < private->data->mmsys_dev_num; i++) + private->all_drm_private[i]->drm = drm; ret = mtk_drm_kms_init(drm); if (ret < 0) @@ -428,10 +571,14 @@ static void mtk_drm_unbind(struct device *dev) { struct mtk_drm_private *private = dev_get_drvdata(dev); - drm_dev_unregister(private->drm); - mtk_drm_kms_deinit(private->drm); - drm_dev_put(private->drm); - private->num_pipes = 0; + /* for multi mmsys dev, unregister drm dev in mmsys master */ + if (private->drm_master) { + drm_dev_unregister(private->drm); + mtk_drm_kms_deinit(private->drm); + drm_dev_put(private->drm); + } + private->mtk_drm_bound = false; + private->drm_master = false; private->drm = NULL; } @@ -546,54 +693,40 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { { } }; -static const struct of_device_id mtk_drm_of_ids[] = { - { .compatible = "mediatek,mt2701-mmsys", - .data = &mt2701_mmsys_driver_data}, - { .compatible = "mediatek,mt7623-mmsys", - .data = &mt7623_mmsys_driver_data}, - { .compatible = "mediatek,mt2712-mmsys", - .data = &mt2712_mmsys_driver_data}, - { .compatible = "mediatek,mt8167-mmsys", - .data = &mt8167_mmsys_driver_data}, - { .compatible = "mediatek,mt8173-mmsys", - .data = &mt8173_mmsys_driver_data}, - { .compatible = "mediatek,mt8183-mmsys", - .data = &mt8183_mmsys_driver_data}, - { .compatible = "mediatek,mt8192-mmsys", - .data = &mt8192_mmsys_driver_data}, - {.compatible = "mediatek,mt8195-vdosys0", - .data = &mt8195_vdosys0_driver_data}, - { } -}; -MODULE_DEVICE_TABLE(of, mtk_drm_of_ids); - static int mtk_drm_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *phandle = dev->parent->of_node; const struct of_device_id *of_id; + const struct mtk_mmsys_driver_data *drv_data; struct mtk_drm_private *private; struct device_node *node; struct component_match *match = NULL; int ret; int i; + of_id = of_match_node(mtk_drm_of_ids, phandle); + if (!of_id) + return -ENODEV; + + drv_data = of_id->data; private = devm_kzalloc(dev, sizeof(*private), GFP_KERNEL); if (!private) return -ENOMEM; + private->all_drm_private = devm_kmalloc_array(dev, drv_data->mmsys_dev_num, + sizeof(*private->all_drm_private), + GFP_KERNEL); + if (!private->all_drm_private) + return -ENOMEM; + + private->data = drv_data; private->mmsys_dev = dev->parent; if (!private->mmsys_dev) { dev_err(dev, "Failed to get MMSYS device\n"); return -ENODEV; } - of_id = of_match_node(mtk_drm_of_ids, phandle); - if (!of_id) - return -ENODEV; - - private->data = of_id->data; - /* Iterate over sibling DISP function blocks */ for_each_child_of_node(phandle->parent, node) { const struct of_device_id *of_id; @@ -613,7 +746,13 @@ static int mtk_drm_probe(struct platform_device *pdev) comp_type = (enum mtk_ddp_comp_type)of_id->data; if (comp_type == MTK_DISP_MUTEX) { - private->mutex_node = of_node_get(node); + int id; + + id = of_alias_get_id(node, "mutex"); + if (id < 0 || id == drv_data->mmsys_id) { + private->mutex_node = of_node_get(node); + dev_dbg(dev, "get mutex for mmsys %d", drv_data->mmsys_id); + } continue; } @@ -624,6 +763,9 @@ static int mtk_drm_probe(struct platform_device *pdev) continue; } + if (!mtk_drm_find_mmsys_comp(private, comp_id)) + continue; + private->comp_node[comp_id] = of_node_get(node); /* @@ -701,9 +843,10 @@ static int mtk_drm_sys_suspend(struct device *dev) { struct mtk_drm_private *private = dev_get_drvdata(dev); struct drm_device *drm = private->drm; - int ret; + int ret = 0; - ret = drm_mode_config_helper_suspend(drm); + if (private->drm_master) + ret = drm_mode_config_helper_suspend(drm); return ret; } @@ -712,9 +855,10 @@ static int mtk_drm_sys_resume(struct device *dev) { struct mtk_drm_private *private = dev_get_drvdata(dev); struct drm_device *drm = private->drm; - int ret; + int ret = 0; - ret = drm_mode_config_helper_resume(drm); + if (private->drm_master) + ret = drm_mode_config_helper_resume(drm); return ret; } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index d27561e5e274..c9bcd69168dc 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -29,14 +29,17 @@ struct mtk_mmsys_driver_data { unsigned int third_len; bool shadow_register; + unsigned int mmsys_id; + unsigned int mmsys_dev_num; + const int *mbox_index; }; struct mtk_drm_private { struct drm_device *drm; struct device *dma_dev; - - unsigned int num_pipes; - + bool mtk_drm_bound; + bool drm_master; + struct device *dev; struct device_node *mutex_node; struct device *mutex_dev; struct device *mmsys_dev; @@ -44,6 +47,7 @@ struct mtk_drm_private { struct mtk_ddp_comp ddp_comp[DDP_COMPONENT_ID_MAX]; const struct mtk_mmsys_driver_data *data; struct drm_atomic_state *suspend_state; + struct mtk_drm_private **all_drm_private; }; extern struct platform_driver mtk_disp_aal_driver;