From: CK Hu ck.hu@mediatek.com
Some ddp component exist in both display path and other path, so sub driver should not directly call DRM driver's function. Moving mtk_ddp_comp_init() from sub driver to DRM driver to achieve this.
Signed-off-by: CK Hu ck.hu@mediatek.com Signed-off-by: Chun-Kuang Hu chunkuang.hu@kernel.org --- drivers/gpu/drm/mediatek/mtk_disp_color.c | 35 ------------------- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 38 --------------------- drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 32 ----------------- drivers/gpu/drm/mediatek/mtk_dpi.c | 29 ++-------------- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 2 +- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 38 ++++++--------------- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 4 +-- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 29 +++++----------- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 2 +- drivers/gpu/drm/mediatek/mtk_dsi.c | 32 +---------------- 10 files changed, 25 insertions(+), 216 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_color.c b/drivers/gpu/drm/mediatek/mtk_disp_color.c index d28c06d02286..63f411ab393b 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_color.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_color.c @@ -37,7 +37,6 @@ struct mtk_disp_color_data { * @data: platform colour driver data */ struct mtk_disp_color { - struct mtk_ddp_comp ddp_comp; struct drm_crtc *crtc; struct clk *clk; void __iomem *regs; @@ -81,27 +80,12 @@ 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 = { @@ -114,7 +98,6 @@ 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); @@ -139,23 +122,7 @@ 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);
ret = component_add(dev, &mtk_disp_color_component_ops); @@ -167,8 +134,6 @@ static int mtk_disp_color_probe(struct platform_device *pdev)
static int mtk_disp_color_remove(struct platform_device *pdev) { - component_del(&pdev->dev, &mtk_disp_color_component_ops); - return 0; }
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index a4f806355d2c..266c5c5ca280 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -71,7 +71,6 @@ struct mtk_disp_ovl_data { * @data: platform data */ struct mtk_disp_ovl { - struct mtk_ddp_comp ddp_comp; struct drm_crtc *crtc; struct clk *clk; void __iomem *regs; @@ -342,27 +341,12 @@ 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 = { @@ -375,7 +359,6 @@ 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;
@@ -406,25 +389,6 @@ 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, @@ -443,8 +407,6 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
static int mtk_disp_ovl_remove(struct platform_device *pdev) { - component_del(&pdev->dev, &mtk_disp_ovl_component_ops); - return 0; }
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c index a263b7eab866..7ac8f9ee082b 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -62,7 +62,6 @@ struct mtk_disp_rdma_data { * @data: local driver data */ struct mtk_disp_rdma { - struct mtk_ddp_comp ddp_comp; struct clk *clk; void __iomem *regs; struct cmdq_client_reg cmdq_reg; @@ -250,17 +249,6 @@ 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;
} @@ -268,10 +256,6 @@ 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 = { @@ -284,7 +268,6 @@ 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;
@@ -314,21 +297,6 @@ 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 1d6e45648da8..52820b12a000 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"); @@ -660,21 +662,3 @@ 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 cef6168a4469..4f2cc34936df 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -502,23 +502,12 @@ 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; } }
@@ -544,10 +533,8 @@ 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 5d771cf0bf25..690e92e9eff9 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..f8cc9545ebca 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->host.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);