mirror of
https://github.com/Ysurac/openmptcprouter.git
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84 lines
2.9 KiB
Diff
84 lines
2.9 KiB
Diff
From 452b508468a46ef0fe7357fab6b000c52fd047d3 Mon Sep 17 00:00:00 2001
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From: Stu Hsieh <stu.hsieh@mediatek.com>
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Date: Fri, 16 Nov 2018 16:33:00 +0100
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Subject: [PATCH] drm: Add get_possible_crtc API for dpi, dsi
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Test: build pass and run ok
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Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
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---
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drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 40 +++++++++++++++++++++
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drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 2 ++
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2 files changed, 42 insertions(+)
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diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
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index efa85973e46b..29796e78b26a 100644
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--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
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+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
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@@ -237,6 +237,22 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
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[DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL },
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};
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+static bool mtk_drm_find_comp_in_ddp(struct mtk_ddp_comp ddp_comp,
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+ const enum mtk_ddp_comp_id *path,
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+ unsigned int path_len)
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+{
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+ unsigned int i;
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+
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+ if (path == NULL)
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+ return false;
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+
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+ for (i = 0U; i < path_len; i++)
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+ if (ddp_comp.id == path[i])
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+ return true;
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+
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+ return false;
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+}
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+
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int mtk_ddp_comp_get_id(struct device_node *node,
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enum mtk_ddp_comp_type comp_type)
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{
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@@ -252,6 +268,30 @@ int mtk_ddp_comp_get_id(struct device_node *node,
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return -EINVAL;
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}
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+unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
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+ struct mtk_ddp_comp ddp_comp)
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+{
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+ struct mtk_drm_private *private = drm->dev_private;
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+ unsigned int ret;
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+
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+ if (mtk_drm_find_comp_in_ddp(ddp_comp, private->data->main_path,
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+ private->data->main_len) == true) {
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+ ret = BIT(0);
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+ } else if (mtk_drm_find_comp_in_ddp(ddp_comp,
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+ private->data->ext_path,
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+ private->data->ext_len) == true) {
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+ ret = BIT(1);
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+ } else if (mtk_drm_find_comp_in_ddp(ddp_comp,
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+ private->data->third_path,
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+ private->data->third_len) == true) {
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+ ret = BIT(2);
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+ } else {
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+ DRM_INFO("Failed to find comp in ddp table\n");
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+ ret = 0;
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+ }
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+ return ret;
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+}
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+
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int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
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struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
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const struct mtk_ddp_comp_funcs *funcs)
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diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
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index 0ad287f427cc..97be111c3e52 100644
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--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
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+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
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@@ -160,6 +160,8 @@ static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
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int mtk_ddp_comp_get_id(struct device_node *node,
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enum mtk_ddp_comp_type comp_type);
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+unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
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+ struct mtk_ddp_comp ddp_comp);
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int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
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struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
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const struct mtk_ddp_comp_funcs *funcs);
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