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Lin" , Singo Chang , Nancy Lin , Shawn Sung , , , , , , Nathan Lu Subject: [PATCH v4 1/2] drm/mediatek: Add ability to support dynamic connector selection Date: Fri, 2 Jun 2023 01:15:12 +0800 Message-ID: <20230601171513.8533-2-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230601171513.8533-1-jason-jh.lin@mediatek.com> References: <20230601171513.8533-1-jason-jh.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-20230601_102522_986237_A13E5D59 X-CRM114-Status: GOOD ( 24.62 ) 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 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 Signed-off-by: Nathan Lu Signed-off-by: Jason-JH.Lin --- 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 | 111 +++++++++++++++++++- drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 5 +- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 27 +++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 8 ++ drivers/gpu/drm/mediatek/mtk_drm_drv.c | 44 ++++++-- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 8 ++ 8 files changed, 202 insertions(+), 11 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..8c5730f526e2 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -60,8 +60,12 @@ struct mtk_drm_crtc { struct device *mmsys_dev; struct device *dma_dev; struct mtk_mutex *mutex; + unsigned int ddp_comp_nr_ori; + unsigned int max_ddp_comp_nr; 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 +653,84 @@ static void mtk_drm_crtc_disable_vblank(struct drm_crtc *crtc) mtk_ddp_comp_disable_vblank(comp); } +static unsigned int mtk_drm_crtc_max_num_route_comp(struct mtk_drm_crtc *mtk_crtc) +{ + unsigned int max_routes = 0; + unsigned int i; + + if (!mtk_crtc->num_conn_routes) + return 0; + + for (i = 0; i < mtk_crtc->num_conn_routes; i++) + max_routes = max(mtk_crtc->conn_routes[i].route_len, max_routes); + + return max_routes; +} + +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; + unsigned int route_len = 0, route_index = 0; + + 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++) { + route_len = conn_routes[i].route_len; + if (route_len) { + comp_id = conn_routes[i].route_ddp[route_len - 1]; + if (priv->comp_node[comp_id]) { + if (encoder_mask & BIT(priv->ddp_comp[comp_id].encoder_index)) { + route_index = i; + break; + } + } + } + } + + for (i = 0; i < route_len; i++) { + struct mtk_ddp_comp *comp; + struct device_node *node; + + comp_id = conn_routes[route_index].route_ddp[i]; + 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_crtc->ddp_comp[mtk_crtc->ddp_comp_nr_ori + i] = comp; + dev_dbg(dev, "Add comp_id: %d at path index %d\n", + comp->id, mtk_crtc->ddp_comp_nr_ori + i); + } + + mtk_crtc->ddp_comp_nr = mtk_crtc->ddp_comp_nr_ori + route_len; + 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 +763,12 @@ 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 +974,8 @@ 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; @@ -898,6 +987,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, uint gamma_lut_size = 0; struct drm_crtc *tmp; int crtc_i = 0; + unsigned int route_len = 0, max_route_comp_num = 0; if (!path) return 0; @@ -937,7 +1027,24 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, mtk_crtc->mmsys_dev = priv->mmsys_dev; mtk_crtc->ddp_comp_nr = path_len; - mtk_crtc->ddp_comp = devm_kmalloc_array(dev, mtk_crtc->ddp_comp_nr, + mtk_crtc->ddp_comp_nr_ori = path_len; + if (conn_routes) { + unsigned int comp_id; + + for (i = 0; i < num_conn_routes; i++) { + route_len = conn_routes[i].route_len; + if (route_len > 0) { + comp_id = conn_routes[i].route_ddp[route_len - 1]; + mtk_ddp_comp_encoder_index_set(&priv->ddp_comp[comp_id]); + } + } + + mtk_crtc->num_conn_routes = num_conn_routes; + mtk_crtc->conn_routes = conn_routes; + } + max_route_comp_num = mtk_drm_crtc_max_num_route_comp(mtk_crtc); + mtk_crtc->max_ddp_comp_nr = mtk_crtc->ddp_comp_nr + max_route_comp_num; + mtk_crtc->ddp_comp = devm_kmalloc_array(dev, mtk_crtc->max_ddp_comp_nr, sizeof(*mtk_crtc->ddp_comp), GFP_KERNEL); if (!mtk_crtc->ddp_comp) 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 #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..64298d42c6f5 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 +508,26 @@ 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 (mtk_drm_find_comp_in_ddp(dev, routes[i].route_ddp, + routes[i].route_len, ddp_comp)) + 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 +559,12 @@ 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 6dcb4ba2466c..0412a82c1ed0 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -185,7 +185,14 @@ static const unsigned int mt8188_mtk_ddp_main[] = { DDP_COMPONENT_GAMMA, DDP_COMPONENT_POSTMASK0, DDP_COMPONENT_DITHER0, - DDP_COMPONENT_DP_INTF0, +}; + +static const unsigned int mt8188_mtk_ddp_main_routes_0[] = { + DDP_COMPONENT_DP_INTF0 +}; + +static const struct mtk_drm_route mt8188_mtk_ddp_main_routes[] = { + {0, ARRAY_SIZE(mt8188_mtk_ddp_main_routes_0), mt8188_mtk_ddp_main_routes_0}, }; static const unsigned int mt8192_mtk_ddp_main[] = { @@ -287,6 +294,9 @@ 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, }; static const struct mtk_mmsys_driver_data mt8192_mmsys_driver_data = { @@ -350,6 +360,7 @@ 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 mtk_drm_private *temp_drm_priv; struct device_node *phandle = dev->parent->of_node; const struct of_device_id *of_id; struct device_node *node; @@ -372,9 +383,18 @@ static bool mtk_drm_get_all_drm_priv(struct device *dev) 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++; + temp_drm_priv = dev_get_drvdata(drm_dev); + if (temp_drm_priv) { + if (temp_drm_priv->mtk_drm_bound) + cnt++; + + if (temp_drm_priv->data->main_len) + all_drm_priv[0] = temp_drm_priv; + else if (temp_drm_priv->data->ext_len) + all_drm_priv[1] = temp_drm_priv; + else if (temp_drm_priv->data->third_len) + all_drm_priv[2] = temp_drm_priv; + } } if (drm_priv->data->mmsys_dev_num == cnt) { @@ -391,7 +411,7 @@ static bool mtk_drm_get_all_drm_priv(struct device *dev) 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; + int i, j; if (drv_data->main_path) for (i = 0; i < drv_data->main_len; i++) @@ -408,6 +428,12 @@ 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++) + for (j = 0; j < drv_data->conn_routes[i].route_len; j++) + if (drv_data->conn_routes[i].route_ddp[j] == comp_id) + return true; + return false; } @@ -466,21 +492,23 @@ 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..a2937d83de97 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h @@ -22,6 +22,12 @@ struct drm_fb_helper; struct drm_property; struct regmap; +struct mtk_drm_route { + const unsigned int crtc_id; + const unsigned int route_len; + const unsigned int *route_ddp; +}; + struct mtk_mmsys_driver_data { const unsigned int *main_path; unsigned int main_len; @@ -29,6 +35,8 @@ 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;