This patch add function to match the connector and crtc Because the connector set the possible_crtc to match the crtc.
This function would search the connector in every ddp path and return the corresponding value for possible_crtc. Change-Id: Id51de53b95039f8174462d483eb9bfee31b3b93b Signed-off-by: Stu Hsieh <[email protected]> --- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 41 +++++++++++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 2 ++ 2 files changed, 43 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index ff974d82a4a6..1f734b806a00 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -245,6 +245,22 @@ 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, + const enum mtk_ddp_comp_id *path, + unsigned int path_len) +{ + int i; + + if (!path) + return false; + + for (i = 0; i < path_len; i++) + if (ddp_comp.id == path[i]) + return true; + + return false; +} + int mtk_ddp_comp_get_id(struct device_node *node, enum mtk_ddp_comp_type comp_type) { @@ -260,6 +276,31 @@ int mtk_ddp_comp_get_id(struct device_node *node, return -EINVAL; } +unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm, + struct mtk_ddp_comp ddp_comp) +{ + struct mtk_drm_private *private = drm->dev_private; + unsigned int ret; + + if (mtk_drm_find_comp_in_ddp(ddp_comp, private->data->main_path, + private->data->main_len) == true) { + ret = BIT(0); + } else if (mtk_drm_find_comp_in_ddp(ddp_comp, + private->data->ext_path, + private->data->ext_len) == true) { + ret = BIT(1); + } else if (mtk_drm_find_comp_in_ddp(ddp_comp, + private->data->third_path, + private->data->third_len) == true) { + ret = BIT(2); + } else { + DRM_INFO("Failed to find comp in ddp table\n"); + ret = 0; + } + + return ret; +} + int mtk_ddp_comp_init(struct device *dev, struct device_node *node, struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id, const struct mtk_ddp_comp_funcs *funcs) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index 8399229e6ad2..f882e69088b8 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -166,6 +166,8 @@ static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp, comp->funcs->gamma_set(comp, state); } +unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm, + struct mtk_ddp_comp ddp_comp); int mtk_ddp_comp_get_id(struct device_node *node, enum mtk_ddp_comp_type comp_type); int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node, -- 2.12.5.2.gbdf23ab _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
