1. Move output drm connector from each ddp_path array to connector array.
2. Add dynamic select available connector flow in crtc create and enable.

Signed-off-by: Nancy Lin <nancy....@mediatek.com>
Signed-off-by: Nathan Lu <nathan...@mediatek.com>
Signed-off-by: Jason-JH.Lin <jason-jh....@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_disp_drv.h     |  1 +
 drivers/gpu/drm/mediatek/mtk_dpi.c          |  9 +++
 drivers/gpu/drm/mediatek/mtk_drm_crtc.c     | 75 ++++++++++++++++++++-
 drivers/gpu/drm/mediatek/mtk_drm_crtc.h     |  5 +-
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 26 +++++++
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |  8 +++
 drivers/gpu/drm/mediatek/mtk_drm_drv.c      | 20 ++++--
 drivers/gpu/drm/mediatek/mtk_drm_drv.h      |  7 ++
 8 files changed, 145 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h 
b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
index 2254038519e1..5f07037670e9 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
+++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
@@ -44,6 +44,7 @@ void mtk_dither_set_common(void __iomem *regs, struct 
cmdq_client_reg *cmdq_reg,
 
 void mtk_dpi_start(struct device *dev);
 void mtk_dpi_stop(struct device *dev);
+unsigned int mtk_dpi_encoder_index(struct device *dev);
 
 void mtk_dsi_ddp_start(struct device *dev);
 void mtk_dsi_ddp_stop(struct device *dev);
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c 
b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 948a53f1f4b3..e58783a9d92c 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -782,6 +782,15 @@ void mtk_dpi_stop(struct device *dev)
        mtk_dpi_power_off(dpi);
 }
 
+unsigned int mtk_dpi_encoder_index(struct device *dev)
+{
+       struct mtk_dpi *dpi = dev_get_drvdata(dev);
+       unsigned int encoder_index = drm_encoder_index(&dpi->encoder);
+
+       dev_dbg(dev, "encoder index:%d", encoder_index);
+       return encoder_index;
+}
+
 static int mtk_dpi_bind(struct device *dev, struct device *master, void *data)
 {
        struct mtk_dpi *dpi = dev_get_drvdata(dev);
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c 
b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index d40142842f85..f1f99a8da9eb 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -62,6 +62,8 @@ struct mtk_drm_crtc {
        struct mtk_mutex                *mutex;
        unsigned int                    ddp_comp_nr;
        struct mtk_ddp_comp             **ddp_comp;
+       unsigned int                    num_conn_routes;
+       const struct mtk_drm_route      *conn_routes;
 
        /* lock for display hardware access */
        struct mutex                    hw_lock;
@@ -649,6 +651,50 @@ static void mtk_drm_crtc_disable_vblank(struct drm_crtc 
*crtc)
        mtk_ddp_comp_disable_vblank(comp);
 }
 
+static int mtk_drm_crtc_update_output(struct drm_crtc *crtc,
+                                     struct drm_atomic_state *state)
+{
+       const struct mtk_drm_route *conn_routes;
+       int crtc_index = drm_crtc_index(crtc);
+       int i;
+       struct device *dev;
+       struct drm_crtc_state *crtc_state = state->crtcs[crtc_index].new_state;
+       struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
+       struct mtk_drm_private *priv = crtc->dev->dev_private;
+       unsigned int comp_id;
+       unsigned int encoder_mask = crtc_state->encoder_mask;
+
+       if (!mtk_crtc->num_conn_routes)
+               return 0;
+
+       priv = priv->all_drm_private[crtc_index];
+       dev = priv->dev;
+
+       dev_dbg(dev, "connector change:%d, encoder mask0x%x for crtc%d",
+               crtc_state->connectors_changed, encoder_mask, crtc_index);
+
+       if (!crtc_state->connectors_changed)
+               return 0;
+
+       conn_routes = mtk_crtc->conn_routes;
+       for (i = 0; i < mtk_crtc->num_conn_routes; i++) {
+               comp_id = conn_routes[i].route_ddp;
+               if (priv->comp_node[comp_id] &&
+                   encoder_mask & BIT(priv->ddp_comp[comp_id].encoder_index)) {
+                       struct mtk_ddp_comp *comp = &priv->ddp_comp[comp_id];
+
+                       mtk_crtc->ddp_comp[mtk_crtc->ddp_comp_nr - 1] = comp;
+                       dev_dbg(dev, "Add comp_id: %d at path index %d\n",
+                               comp->id, mtk_crtc->ddp_comp_nr - 1);
+                       break;
+               }
+       }
+
+       dev_dbg(dev, "Update total comp num:%d", mtk_crtc->ddp_comp_nr);
+
+       return 0;
+}
+
 int mtk_drm_crtc_plane_check(struct drm_crtc *crtc, struct drm_plane *plane,
                             struct mtk_plane_state *state)
 {
@@ -681,6 +727,12 @@ static void mtk_drm_crtc_atomic_enable(struct drm_crtc 
*crtc,
 
        DRM_DEBUG_DRIVER("%s %d\n", __func__, crtc->base.id);
 
+       ret = mtk_drm_crtc_update_output(crtc, state);
+       if (ret < 0) {
+               DRM_DEV_ERROR(comp->dev, "Failed to update crtc output: %d\n", 
ret);
+               return;
+       }
+
        ret = pm_runtime_resume_and_get(comp->dev);
        if (ret < 0) {
                DRM_DEV_ERROR(comp->dev, "Failed to enable power domain: %d\n", 
ret);
@@ -886,7 +938,8 @@ struct device *mtk_drm_crtc_dma_dev_get(struct drm_crtc 
*crtc)
 
 int mtk_drm_crtc_create(struct drm_device *drm_dev,
                        const unsigned int *path, unsigned int path_len,
-                       int priv_data_index)
+                       int priv_data_index, const struct mtk_drm_route 
*conn_routes,
+                       unsigned int num_conn_routes)
 {
        struct mtk_drm_private *priv = drm_dev->dev_private;
        struct device *dev = drm_dev->dev;
@@ -937,6 +990,26 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
 
        mtk_crtc->mmsys_dev = priv->mmsys_dev;
        mtk_crtc->ddp_comp_nr = path_len;
+       if (conn_routes) {
+               struct device_node *node;
+               struct mtk_ddp_comp *comp;
+               unsigned int comp_id;
+
+               for (i = 0; i < num_conn_routes; i++) {
+                       comp_id = conn_routes[i].route_ddp;
+                       node = priv->comp_node[comp_id];
+                       comp = &priv->ddp_comp[comp_id];
+                       if (!comp) {
+                               dev_err(dev, "Component %pOF not 
initialized\n", node);
+                               return -ENODEV;
+                       }
+                       mtk_ddp_comp_encoder_index_set(comp);
+               }
+
+               mtk_crtc->num_conn_routes = num_conn_routes;
+               mtk_crtc->conn_routes = conn_routes;
+               mtk_crtc->ddp_comp_nr++;
+       }
        mtk_crtc->ddp_comp = devm_kmalloc_array(dev, mtk_crtc->ddp_comp_nr,
                                                sizeof(*mtk_crtc->ddp_comp),
                                                GFP_KERNEL);
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h 
b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
index 3e9046993d09..3c224595fa71 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
@@ -8,6 +8,7 @@
 
 #include <drm/drm_crtc.h>
 #include "mtk_drm_ddp_comp.h"
+#include "mtk_drm_drv.h"
 #include "mtk_drm_plane.h"
 
 #define MTK_LUT_SIZE   512
@@ -18,7 +19,9 @@ void mtk_drm_crtc_commit(struct drm_crtc *crtc);
 int mtk_drm_crtc_create(struct drm_device *drm_dev,
                        const unsigned int *path,
                        unsigned int path_len,
-                       int priv_data_index);
+                       int priv_data_index,
+                       const struct mtk_drm_route *conn_routes,
+                       unsigned int num_conn_routes);
 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_ddp_comp.c 
b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index f114da4d36a9..bc7b0a0c20db 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -304,6 +304,7 @@ static const struct mtk_ddp_comp_funcs ddp_dither = {
 static const struct mtk_ddp_comp_funcs ddp_dpi = {
        .start = mtk_dpi_start,
        .stop = mtk_dpi_stop,
+       .encoder_index = mtk_dpi_encoder_index,
 };
 
 static const struct mtk_ddp_comp_funcs ddp_dsc = {
@@ -507,6 +508,25 @@ static bool mtk_drm_find_comp_in_ddp(struct device *dev,
        return false;
 }
 
+static int mtk_drm_find_comp_in_ddp_conn_path(struct device *dev,
+                                             const struct mtk_drm_route 
*routes,
+                                             unsigned int routes_num,
+                                             struct mtk_ddp_comp *ddp_comp)
+{
+       unsigned int i;
+
+       if (!routes)
+               return 0;
+
+       for (i = 0; i < routes_num; i++)
+               if (dev == ddp_comp[routes[i].route_ddp].dev)
+                       return BIT(routes[i].crtc_id);
+
+       DRM_INFO("Failed to find comp in ddp connector table\n");
+
+       return 0;
+}
+
 int mtk_ddp_comp_get_id(struct device_node *node,
                        enum mtk_ddp_comp_type comp_type)
 {
@@ -538,6 +558,12 @@ unsigned int mtk_drm_find_possible_crtc_by_comp(struct 
drm_device *drm,
                                          private->data->third_len, 
private->ddp_comp))
                ret = BIT(2);
        else
+               ret = mtk_drm_find_comp_in_ddp_conn_path(dev,
+                                                        
private->data->conn_routes,
+                                                        
private->data->num_conn_routes,
+                                                        private->ddp_comp);
+
+       if (ret == 0)
                DRM_INFO("Failed to find comp in ddp table\n");
 
        return ret;
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h 
b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index febcaeef16a1..8428baca70f4 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -80,6 +80,7 @@ struct mtk_ddp_comp_funcs {
        void (*disconnect)(struct device *dev, struct device *mmsys_dev, 
unsigned int next);
        void (*add)(struct device *dev, struct mtk_mutex *mutex);
        void (*remove)(struct device *dev, struct mtk_mutex *mutex);
+       unsigned int (*encoder_index)(struct device *dev);
 };
 
 struct mtk_ddp_comp {
@@ -87,6 +88,7 @@ struct mtk_ddp_comp {
        int irq;
        unsigned int id;
        const struct mtk_ddp_comp_funcs *funcs;
+       unsigned int encoder_index;
 };
 
 static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp)
@@ -275,6 +277,12 @@ static inline bool mtk_ddp_comp_disconnect(struct 
mtk_ddp_comp *comp, struct dev
        return false;
 }
 
+static inline void mtk_ddp_comp_encoder_index_set(struct mtk_ddp_comp *comp)
+{
+       if (comp->funcs && comp->funcs->encoder_index)
+               comp->encoder_index = comp->funcs->encoder_index(comp->dev);
+}
+
 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,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c 
b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index d2fb1fb4e682..ecd113f9908c 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -185,7 +185,10 @@ static const unsigned int mt8188_mtk_ddp_main[] = {
        DDP_COMPONENT_GAMMA,
        DDP_COMPONENT_POSTMASK0,
        DDP_COMPONENT_DITHER0,
-       DDP_COMPONENT_DP_INTF0,
+};
+
+static const struct mtk_drm_route mt8188_mtk_ddp_main_routes[] = {
+       {0, DDP_COMPONENT_DP_INTF0},
 };
 
 static const unsigned int mt8192_mtk_ddp_main[] = {
@@ -287,6 +290,8 @@ static const struct mtk_mmsys_driver_data 
mt8186_mmsys_driver_data = {
 static const struct mtk_mmsys_driver_data mt8188_vdosys0_driver_data = {
        .main_path = mt8188_mtk_ddp_main,
        .main_len = ARRAY_SIZE(mt8188_mtk_ddp_main),
+       .conn_routes = mt8188_mtk_ddp_main_routes,
+       .num_conn_routes = ARRAY_SIZE(mt8188_mtk_ddp_main_routes),
        .mmsys_dev_num = 1,
 };
 
@@ -419,6 +424,11 @@ static bool mtk_drm_find_mmsys_comp(struct mtk_drm_private 
*private, int comp_id
                        if (drv_data->third_path[i] == comp_id)
                                return true;
 
+       if (drv_data->num_conn_routes)
+               for (i = 0; i < drv_data->num_conn_routes; i++)
+                       if (drv_data->conn_routes[i].route_ddp == comp_id)
+                               return true;
+
        return false;
 }
 
@@ -477,21 +487,23 @@ static int mtk_drm_kms_init(struct drm_device *drm)
 
                        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);
+                                                         
priv_n->data->main_len, j,
+                                                         
priv_n->data->conn_routes,
+                                                         
priv_n->data->num_conn_routes);
                                if (ret)
                                        goto err_component_unbind;
 
                                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);
+                                                         
priv_n->data->ext_len, j, NULL, 0);
                                if (ret)
                                        goto err_component_unbind;
 
                                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);
+                                                         
priv_n->data->third_len, j, NULL, 0);
                                if (ret)
                                        goto err_component_unbind;
 
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h 
b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
index eb2fd45941f0..39697a591046 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
@@ -22,6 +22,11 @@ struct drm_fb_helper;
 struct drm_property;
 struct regmap;
 
+struct mtk_drm_route {
+       const unsigned int crtc_id;
+       const unsigned int route_ddp;
+};
+
 struct mtk_mmsys_driver_data {
        const unsigned int *main_path;
        unsigned int main_len;
@@ -29,6 +34,8 @@ struct mtk_mmsys_driver_data {
        unsigned int ext_len;
        const unsigned int *third_path;
        unsigned int third_len;
+       const struct mtk_drm_route *conn_routes;
+       unsigned int num_conn_routes;
 
        bool shadow_register;
        unsigned int mmsys_id;
-- 
2.18.0

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