mirror of
				https://github.com/Ysurac/openmptcprouter.git
				synced 2025-03-09 15:40:20 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			142 lines
		
	
	
	
		
			4.6 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			142 lines
		
	
	
	
		
			4.6 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From 9712ba59916d5a7cf568e8ba73d4fba4f2ebfd5f Mon Sep 17 00:00:00 2001
 | |
| From: Bibby Hsieh <bibby.hsieh@mediatek.com>
 | |
| Date: Fri, 21 Sep 2018 11:28:22 +0800
 | |
| Subject: [PATCH 38/77] drm/mediatek: config component output by device node
 | |
|  port
 | |
| 
 | |
| We can select output component by decive node port.
 | |
| Main path default output component is DSI.
 | |
| External path default output component is DPI.
 | |
| 
 | |
| Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
 | |
| Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
 | |
| ---
 | |
|  drivers/gpu/drm/mediatek/mtk_drm_drv.c | 41 ++++++++++++++++++++++----
 | |
|  drivers/gpu/drm/mediatek/mtk_drm_drv.h |  4 +--
 | |
|  2 files changed, 37 insertions(+), 8 deletions(-)
 | |
| 
 | |
| diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
 | |
| index 6422e99952fe..188b83d63c87 100644
 | |
| --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
 | |
| +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
 | |
| @@ -21,7 +21,9 @@
 | |
|  #include <drm/drm_of.h>
 | |
|  #include <linux/component.h>
 | |
|  #include <linux/iommu.h>
 | |
| +#include <linux/of.h>
 | |
|  #include <linux/of_address.h>
 | |
| +#include <linux/of_graph.h>
 | |
|  #include <linux/of_platform.h>
 | |
|  #include <linux/pm_runtime.h>
 | |
|  
 | |
| @@ -133,7 +135,7 @@ static const struct drm_mode_config_funcs mtk_drm_mode_config_funcs = {
 | |
|  	.atomic_commit = mtk_atomic_commit,
 | |
|  };
 | |
|  
 | |
| -static const enum mtk_ddp_comp_id mt2701_mtk_ddp_main[] = {
 | |
| +static enum mtk_ddp_comp_id mt2701_mtk_ddp_main[] = {
 | |
|  	DDP_COMPONENT_OVL0,
 | |
|  	DDP_COMPONENT_RDMA0,
 | |
|  	DDP_COMPONENT_COLOR0,
 | |
| @@ -141,12 +143,12 @@ static const enum mtk_ddp_comp_id mt2701_mtk_ddp_main[] = {
 | |
|  	DDP_COMPONENT_DSI0,
 | |
|  };
 | |
|  
 | |
| -static const enum mtk_ddp_comp_id mt2701_mtk_ddp_ext[] = {
 | |
| +static enum mtk_ddp_comp_id mt2701_mtk_ddp_ext[] = {
 | |
|  	DDP_COMPONENT_RDMA1,
 | |
|  	DDP_COMPONENT_DPI0,
 | |
|  };
 | |
|  
 | |
| -static const enum mtk_ddp_comp_id mt2712_mtk_ddp_main[] = {
 | |
| +static enum mtk_ddp_comp_id mt2712_mtk_ddp_main[] = {
 | |
|  	DDP_COMPONENT_OVL0,
 | |
|  	DDP_COMPONENT_COLOR0,
 | |
|  	DDP_COMPONENT_AAL0,
 | |
| @@ -156,7 +158,7 @@ static const enum mtk_ddp_comp_id mt2712_mtk_ddp_main[] = {
 | |
|  	DDP_COMPONENT_PWM0,
 | |
|  };
 | |
|  
 | |
| -static const enum mtk_ddp_comp_id mt2712_mtk_ddp_ext[] = {
 | |
| +static enum mtk_ddp_comp_id mt2712_mtk_ddp_ext[] = {
 | |
|  	DDP_COMPONENT_OVL1,
 | |
|  	DDP_COMPONENT_COLOR1,
 | |
|  	DDP_COMPONENT_AAL1,
 | |
| @@ -172,7 +174,7 @@ static const enum mtk_ddp_comp_id mt2712_mtk_ddp_third[] = {
 | |
|  	DDP_COMPONENT_PWM2,
 | |
|  };
 | |
|  
 | |
| -static const enum mtk_ddp_comp_id mt8173_mtk_ddp_main[] = {
 | |
| +static enum mtk_ddp_comp_id mt8173_mtk_ddp_main[] = {
 | |
|  	DDP_COMPONENT_OVL0,
 | |
|  	DDP_COMPONENT_COLOR0,
 | |
|  	DDP_COMPONENT_AAL0,
 | |
| @@ -183,7 +185,7 @@ static const enum mtk_ddp_comp_id mt8173_mtk_ddp_main[] = {
 | |
|  	DDP_COMPONENT_PWM0,
 | |
|  };
 | |
|  
 | |
| -static const enum mtk_ddp_comp_id mt8173_mtk_ddp_ext[] = {
 | |
| +static enum mtk_ddp_comp_id mt8173_mtk_ddp_ext[] = {
 | |
|  	DDP_COMPONENT_OVL1,
 | |
|  	DDP_COMPONENT_COLOR1,
 | |
|  	DDP_COMPONENT_GAMMA,
 | |
| @@ -472,6 +474,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
 | |
|  
 | |
|  	/* Iterate over sibling DISP function blocks */
 | |
|  	for_each_child_of_node(dev->of_node->parent, node) {
 | |
| +		struct device_node *port, *ep, *remote;
 | |
|  		const struct of_device_id *of_id;
 | |
|  		enum mtk_ddp_comp_type comp_type;
 | |
|  		int comp_id;
 | |
| @@ -531,6 +534,32 @@ static int mtk_drm_probe(struct platform_device *pdev)
 | |
|  
 | |
|  			private->ddp_comp[comp_id] = comp;
 | |
|  		}
 | |
| +
 | |
| +		if (comp_type != MTK_DSI && comp_type != MTK_DPI) {
 | |
| +			port = of_graph_get_port_by_id(node, 0);
 | |
| +			if (!port)
 | |
| +				continue;
 | |
| +			ep = of_get_child_by_name(port, "endpoint");
 | |
| +			of_node_put(port);
 | |
| +			if (!ep)
 | |
| +				continue;
 | |
| +			remote = of_graph_get_remote_port_parent(ep);
 | |
| +			of_node_put(ep);
 | |
| +			if (!remote)
 | |
| +				continue;
 | |
| +			of_id = of_match_node(mtk_ddp_comp_dt_ids, remote);
 | |
| +			if (!of_id)
 | |
| +				continue;
 | |
| +			comp_type = (enum mtk_ddp_comp_type)of_id->data;
 | |
| +			for (i = 0; i < private->data->main_len - 1; i++)
 | |
| +				if (private->data->main_path[i] == comp_id)
 | |
| +					private->data->main_path[i + 1] =
 | |
| +					mtk_ddp_comp_get_id(node, comp_type);
 | |
| +			for (i = 0; i < private->data->ext_len - 1; i++)
 | |
| +				if (private->data->ext_path[i] == comp_id)
 | |
| +					private->data->ext_path[i + 1] =
 | |
| +					mtk_ddp_comp_get_id(node, comp_type);
 | |
| +		}
 | |
|  	}
 | |
|  
 | |
|  	if (!private->mutex_node) {
 | |
| diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
 | |
| index ecc00ca3221d..256a3ff2e66e 100644
 | |
| --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h
 | |
| +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
 | |
| @@ -29,9 +29,9 @@ struct drm_property;
 | |
|  struct regmap;
 | |
|  
 | |
|  struct mtk_mmsys_driver_data {
 | |
| -	const enum mtk_ddp_comp_id *main_path;
 | |
| +	enum mtk_ddp_comp_id *main_path;
 | |
|  	unsigned int main_len;
 | |
| -	const enum mtk_ddp_comp_id *ext_path;
 | |
| +	enum mtk_ddp_comp_id *ext_path;
 | |
|  	unsigned int ext_len;
 | |
|  	const enum mtk_ddp_comp_id *third_path;
 | |
|  	unsigned int third_len;
 | |
| -- 
 | |
| 2.19.1
 | |
| 
 |