[11/11] drm/mediatek: Move mtk_ddp_comp_init() from sub driver to DRM driver

Message ID	20201103003422.17838-12-chunkuang.hu@kernel.org (mailing list archive)
State	New, archived
Headers	show Return-Path: <SRS0=tvqY=EJ=lists.freedesktop.org=dri-devel-bounces@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 558F622404 From: Chun-Kuang Hu <chunkuang.hu@kernel.org> To: Philipp Zabel <p.zabel@pengutronix.de>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch> Subject: [PATCH 11/11] drm/mediatek: Move mtk_ddp_comp_init() from sub driver to DRM driver Date: Tue, 3 Nov 2020 08:34:22 +0800 Message-Id: <20201103003422.17838-12-chunkuang.hu@kernel.org> In-Reply-To: <20201103003422.17838-1-chunkuang.hu@kernel.org> References: <20201103003422.17838-1-chunkuang.hu@kernel.org> Precedence: list Cc: Chun-Kuang Hu <chunkuang.hu@kernel.org>, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
Series	Decouple Mediatek DRM sub driver \| expand [00/11] Decouple Mediatek DRM sub driver [01/11] drm/mediatek: Get CMDQ client register for all ddp component [02/11] drm/mediatek: Use correct device pointer to get CMDQ client register [03/11] drm/mediatek: Move clk info from struct mtk_ddp_comp to sub driver private data [04/11] drm/mediatek: Move regs info from struct mtk_ddp_comp to sub driver private data [05/11] drm/mediatek: Remove irq in struct mtk_ddp_comp [06/11] drm/mediatek: Use struct cmdq_client_reg to gather cmdq variable [07/11] drm/mediatek: Move cmdq_reg info from struct mtk_ddp_comp to sub driver private data [08/11] drm/mediatek: Change sub driver interface from mtk_ddp_comp to device [09/11] drm/mediatek: Register vblank callback function [10/11] drm/mediatek: DRM driver directly refer to sub driver's function [11/11] drm/mediatek: Move mtk_ddp_comp_init() from sub driver to DRM driver

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_color.c b/drivers/gpu/drm/mediatek/mtk_disp_color.c index 99a680164226..2217965041d8 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_color.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_color.c @@ -35,7 +35,6 @@ struct mtk_disp_color_data { * @crtc - associated crtc to report irq events to */ struct mtk_disp_color { - struct mtk_ddp_comp ddp_comp; struct drm_crtc *crtc; struct clk *clk; void __iomem *regs; @@ -79,27 +78,12 @@ void mtk_color_start(struct device *dev) static int mtk_disp_color_bind(struct device *dev, struct device *master, void *data) { - struct mtk_disp_color *priv = dev_get_drvdata(dev); - struct drm_device *drm_dev = data; - int ret; - - ret = mtk_ddp_comp_register(drm_dev, &priv->ddp_comp); - if (ret < 0) { - dev_err(dev, "Failed to register component %pOF: %d\n", - dev->of_node, ret); - return ret; - } - return 0; } static void mtk_disp_color_unbind(struct device *dev, struct device *master, void *data) { - struct mtk_disp_color *priv = dev_get_drvdata(dev); - struct drm_device *drm_dev = data; - - mtk_ddp_comp_unregister(drm_dev, &priv->ddp_comp); } static const struct component_ops mtk_disp_color_component_ops = { @@ -112,7 +96,6 @@ static int mtk_disp_color_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct mtk_disp_color *priv; struct resource *res; - int comp_id; int ret; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); @@ -137,21 +120,6 @@ static int mtk_disp_color_probe(struct platform_device *pdev) dev_dbg(dev, "get mediatek,gce-client-reg fail!\n"); #endif - comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DISP_COLOR); - if (comp_id < 0) { - dev_err(dev, "Failed to identify by alias: %d\n", comp_id); - return comp_id; - } - - ret = mtk_ddp_comp_init(dev->of_node, &priv->ddp_comp, comp_id); - if (ret) { - if (ret != -EPROBE_DEFER) - dev_err(dev, "Failed to initialize component: %d\n", - ret); - - return ret; - } - priv->data = of_device_get_match_data(dev); platform_set_drvdata(pdev, priv); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index d1ec5e19d1ff..fd5262ae7c0f 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -70,7 +70,6 @@ struct mtk_disp_ovl_data { * @crtc - associated crtc to report vblank events to */ struct mtk_disp_ovl { - struct mtk_ddp_comp ddp_comp; struct drm_crtc *crtc; struct clk *clk; void __iomem *regs; @@ -341,27 +340,12 @@ void mtk_ovl_bgclr_in_off(struct device *dev) static int mtk_disp_ovl_bind(struct device *dev, struct device *master, void *data) { - struct mtk_disp_ovl *priv = dev_get_drvdata(dev); - struct drm_device *drm_dev = data; - int ret; - - ret = mtk_ddp_comp_register(drm_dev, &priv->ddp_comp); - if (ret < 0) { - dev_err(dev, "Failed to register component %pOF: %d\n", - dev->of_node, ret); - return ret; - } - return 0; } static void mtk_disp_ovl_unbind(struct device *dev, struct device *master, void *data) { - struct mtk_disp_ovl *priv = dev_get_drvdata(dev); - struct drm_device *drm_dev = data; - - mtk_ddp_comp_unregister(drm_dev, &priv->ddp_comp); } static const struct component_ops mtk_disp_ovl_component_ops = { @@ -374,7 +358,6 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct mtk_disp_ovl *priv; struct resource *res; - int comp_id; int irq; int ret; @@ -405,25 +388,6 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev) #endif priv->data = of_device_get_match_data(dev); - - comp_id = mtk_ddp_comp_get_id(dev->of_node, - priv->data->layer_nr == 4 ? - MTK_DISP_OVL : - MTK_DISP_OVL_2L); - if (comp_id < 0) { - dev_err(dev, "Failed to identify by alias: %d\n", comp_id); - return comp_id; - } - - ret = mtk_ddp_comp_init(dev->of_node, &priv->ddp_comp, comp_id); - if (ret) { - if (ret != -EPROBE_DEFER) - dev_err(dev, "Failed to initialize component: %d\n", - ret); - - return ret; - } - platform_set_drvdata(pdev, priv); ret = devm_request_irq(dev, irq, mtk_disp_ovl_irq_handler, diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c index 5c5f04c2cc21..eb44e5a184ea 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -61,7 +61,6 @@ struct mtk_disp_rdma_data { * @crtc - associated crtc to report irq events to */ struct mtk_disp_rdma { - struct mtk_ddp_comp ddp_comp; struct clk *clk; void __iomem *regs; struct cmdq_client_reg cmdq_reg; @@ -249,17 +248,6 @@ void mtk_rdma_layer_config(struct device *dev, unsigned int idx, static int mtk_disp_rdma_bind(struct device *dev, struct device *master, void *data) { - struct mtk_disp_rdma *priv = dev_get_drvdata(dev); - struct drm_device *drm_dev = data; - int ret; - - ret = mtk_ddp_comp_register(drm_dev, &priv->ddp_comp); - if (ret < 0) { - dev_err(dev, "Failed to register component %pOF: %d\n", - dev->of_node, ret); - return ret; - } - return 0; } @@ -267,10 +255,6 @@ static int mtk_disp_rdma_bind(struct device *dev, struct device *master, static void mtk_disp_rdma_unbind(struct device *dev, struct device *master, void *data) { - struct mtk_disp_rdma *priv = dev_get_drvdata(dev); - struct drm_device *drm_dev = data; - - mtk_ddp_comp_unregister(drm_dev, &priv->ddp_comp); } static const struct component_ops mtk_disp_rdma_component_ops = { @@ -283,7 +267,6 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct mtk_disp_rdma *priv; struct resource *res; - int comp_id; int irq; int ret; @@ -313,21 +296,6 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev) dev_dbg(dev, "get mediatek,gce-client-reg fail!\n"); #endif - comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DISP_RDMA); - if (comp_id < 0) { - dev_err(dev, "Failed to identify by alias: %d\n", comp_id); - return comp_id; - } - - ret = mtk_ddp_comp_init(dev->of_node, &priv->ddp_comp, comp_id); - if (ret) { - if (ret != -EPROBE_DEFER) - dev_err(dev, "Failed to initialize component: %d\n", - ret); - - return ret; - } - /* Disable and clear pending interrupts */ writel(0x0, priv->regs + DISP_REG_RDMA_INT_ENABLE); writel(0x0, priv->regs + DISP_REG_RDMA_INT_STATUS); diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 4d0d84d34fb1..7d279f0ff55a 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -63,7 +63,6 @@ enum mtk_dpi_out_color_format { }; struct mtk_dpi { - struct mtk_ddp_comp ddp_comp; struct drm_encoder encoder; struct drm_bridge bridge; struct drm_bridge *next_bridge; @@ -592,21 +591,14 @@ static int mtk_dpi_bind(struct device *dev, struct device *master, void *data) struct drm_device *drm_dev = data; int ret; - ret = mtk_ddp_comp_register(drm_dev, &dpi->ddp_comp); - if (ret < 0) { - dev_err(dev, "Failed to register component %pOF: %d\n", - dev->of_node, ret); - return ret; - } - ret = drm_simple_encoder_init(drm_dev, &dpi->encoder, DRM_MODE_ENCODER_TMDS); if (ret) { dev_err(dev, "Failed to initialize decoder: %d\n", ret); - goto err_unregister; + return ret; } - dpi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm_dev, dpi->ddp_comp); + dpi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm_dev, dpi->dev); ret = drm_bridge_attach(&dpi->encoder, &dpi->bridge, NULL, 0); if (ret) { @@ -623,8 +615,6 @@ static int mtk_dpi_bind(struct device *dev, struct device *master, void *data) err_cleanup: drm_encoder_cleanup(&dpi->encoder); -err_unregister: - mtk_ddp_comp_unregister(drm_dev, &dpi->ddp_comp); return ret; } @@ -632,10 +622,8 @@ static void mtk_dpi_unbind(struct device *dev, struct device *master, void *data) { struct mtk_dpi *dpi = dev_get_drvdata(dev); - struct drm_device *drm_dev = data; drm_encoder_cleanup(&dpi->encoder); - mtk_ddp_comp_unregister(drm_dev, &dpi->ddp_comp); } static const struct component_ops mtk_dpi_component_ops = { @@ -696,7 +684,6 @@ static int mtk_dpi_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct mtk_dpi *dpi; struct resource *mem; - int comp_id; int ret; dpi = devm_kzalloc(dev, sizeof(*dpi), GFP_KERNEL); @@ -774,18 +761,6 @@ static int mtk_dpi_probe(struct platform_device *pdev) dev_info(dev, "Found bridge node: %pOF\n", dpi->next_bridge->of_node); - comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DPI); - if (comp_id < 0) { - dev_err(dev, "Failed to identify by alias: %d\n", comp_id); - return comp_id; - } - - ret = mtk_ddp_comp_init(dev->of_node, &dpi->ddp_comp, comp_id); - if (ret) { - dev_err(dev, "Failed to initialize component: %d\n", ret); - return ret; - } - platform_set_drvdata(pdev, dpi); dpi->bridge.funcs = &mtk_dpi_bridge_funcs; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 01c35786be49..7ec833d800eb 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -781,7 +781,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, struct device_node *node; node = priv->comp_node[comp_id]; - comp = priv->ddp_comp[comp_id]; + comp = &priv->ddp_comp[comp_id]; if (!comp) { dev_err(dev, "Component %pOF not initialized\n", node); ret = -ENODEV; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 45ccb2ed9b4d..c25d38d9cfe6 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -524,9 +524,10 @@ 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, +static bool mtk_drm_find_comp_in_ddp(struct device *dev, const enum mtk_ddp_comp_id *path, - unsigned int path_len) + unsigned int path_len, + struct mtk_ddp_comp *ddp_comp) { unsigned int i; @@ -534,7 +535,7 @@ static bool mtk_drm_find_comp_in_ddp(struct mtk_ddp_comp ddp_comp, return false; for (i = 0U; i < path_len; i++) - if (ddp_comp.id == path[i]) + if (dev == ddp_comp[path[i]].dev) return true; return false; @@ -556,18 +557,19 @@ int mtk_ddp_comp_get_id(struct device_node *node, } unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm, - struct mtk_ddp_comp ddp_comp) + struct device *dev) { struct mtk_drm_private *private = drm->dev_private; unsigned int ret = 0; - if (mtk_drm_find_comp_in_ddp(ddp_comp, private->data->main_path, private->data->main_len)) + if (mtk_drm_find_comp_in_ddp(dev, private->data->main_path, private->data->main_len, + private->ddp_comp)) ret = BIT(0); - else if (mtk_drm_find_comp_in_ddp(ddp_comp, private->data->ext_path, - private->data->ext_len)) + else if (mtk_drm_find_comp_in_ddp(dev, private->data->ext_path, + private->data->ext_len, private->ddp_comp)) ret = BIT(1); - else if (mtk_drm_find_comp_in_ddp(ddp_comp, private->data->third_path, - private->data->third_len)) + else if (mtk_drm_find_comp_in_ddp(dev, private->data->third_path, + private->data->third_len, private->ddp_comp)) ret = BIT(2); else DRM_INFO("Failed to find comp in ddp table\n"); @@ -664,21 +666,3 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, return 0; } - -int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp) -{ - struct mtk_drm_private *private = drm->dev_private; - - if (private->ddp_comp[comp->id]) - return -EBUSY; - - private->ddp_comp[comp->id] = comp; - return 0; -} - -void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp) -{ - struct mtk_drm_private *private = drm->dev_private; - - private->ddp_comp[comp->id] = NULL; -} diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index 03db5fb4fc56..e2588e64426e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -220,11 +220,9 @@ 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); + struct device *dev); int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id); -int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp); -void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp); enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id); void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value, struct cmdq_client_reg *cmdq_reg, void __iomem *regs, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index d0a4bac846c2..a5aae18dac07 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -528,23 +528,12 @@ static int mtk_drm_probe(struct platform_device *pdev) node); drm_of_component_match_add(dev, &match, compare_of, node); - } else { - struct mtk_ddp_comp *comp; - - comp = devm_kzalloc(dev, sizeof(*comp), GFP_KERNEL); - if (!comp) { - ret = -ENOMEM; - of_node_put(node); - goto err_node; - } - - ret = mtk_ddp_comp_init(node, comp, comp_id); - if (ret) { - of_node_put(node); - goto err_node; - } - - private->ddp_comp[comp_id] = comp; + } + + ret = mtk_ddp_comp_init(node, &private->ddp_comp[comp_id], comp_id); + if (ret) { + of_node_put(node); + goto err_node; } } @@ -570,10 +559,8 @@ static int mtk_drm_probe(struct platform_device *pdev) of_node_put(private->mutex_node); for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) { of_node_put(private->comp_node[i]); - if (private->ddp_comp[i]) { - put_device(private->ddp_comp[i]->larb_dev); - private->ddp_comp[i] = NULL; - } + if (private->ddp_comp[i].larb_dev) + put_device(private->ddp_comp[i].larb_dev); } return ret; } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h index b5be63e53176..51b42e3ecdc4 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -41,7 +41,7 @@ struct mtk_drm_private { struct device *mutex_dev; struct device *mmsys_dev; struct device_node *comp_node[DDP_COMPONENT_ID_MAX]; - struct mtk_ddp_comp *ddp_comp[DDP_COMPONENT_ID_MAX]; + struct mtk_ddp_comp ddp_comp[DDP_COMPONENT_ID_MAX]; const struct mtk_mmsys_driver_data *data; struct drm_atomic_state *suspend_state; diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 50f8d803f8dd..6e15f8437bc8 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -179,7 +179,6 @@ struct mtk_dsi_driver_data { }; struct mtk_dsi { - struct mtk_ddp_comp ddp_comp; struct device *dev; struct mipi_dsi_host host; struct drm_encoder encoder; @@ -965,7 +964,7 @@ static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi) return ret; } - dsi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm, dsi->ddp_comp); + dsi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm, dsi->dev); ret = drm_bridge_attach(&dsi->encoder, &dsi->bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); @@ -993,32 +992,17 @@ static int mtk_dsi_bind(struct device *dev, struct device *master, void *data) struct drm_device *drm = data; struct mtk_dsi *dsi = dev_get_drvdata(dev); - ret = mtk_ddp_comp_register(drm, &dsi->ddp_comp); - if (ret < 0) { - dev_err(dev, "Failed to register component %pOF: %d\n", - dev->of_node, ret); - return ret; - } - ret = mtk_dsi_encoder_init(drm, dsi); - if (ret) - goto err_unregister; - - return 0; -err_unregister: - mtk_ddp_comp_unregister(drm, &dsi->ddp_comp); return ret; } static void mtk_dsi_unbind(struct device *dev, struct device *master, void *data) { - struct drm_device *drm = data; struct mtk_dsi *dsi = dev_get_drvdata(dev); drm_encoder_cleanup(&dsi->encoder); - mtk_ddp_comp_unregister(drm, &dsi->ddp_comp); } static const struct component_ops mtk_dsi_component_ops = { @@ -1033,7 +1017,6 @@ static int mtk_dsi_probe(struct platform_device *pdev) struct drm_panel *panel; struct resource *regs; int irq_num; - int comp_id; int ret; dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL); @@ -1103,19 +1086,6 @@ static int mtk_dsi_probe(struct platform_device *pdev) goto err_unregister_host; } - comp_id = mtk_ddp_comp_get_id(dev->of_node, MTK_DSI); - if (comp_id < 0) { - dev_err(dev, "Failed to identify by alias: %d\n", comp_id); - ret = comp_id; - goto err_unregister_host; - } - - ret = mtk_ddp_comp_init(dev->of_node, &dsi->ddp_comp, comp_id); - if (ret) { - dev_err(dev, "Failed to initialize component: %d\n", ret); - goto err_unregister_host; - } - irq_num = platform_get_irq(pdev, 0); if (irq_num < 0) { dev_err(&pdev->dev, "failed to get dsi irq_num: %d\n", irq_num);

[11/11] drm/mediatek: Move mtk_ddp_comp_init() from sub driver to DRM driver

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