[PATCH v24 6/7] drm/mediatek: add drm ovl_adaptor sub driver for MT8195

Nancy.Lin
2022-07-11T10:44:09Z

Add drm ovl_adaptor sub driver. Bring up ovl_adaptor sub driver if
the component exists in the path.

Signed-off-by: Nancy.Lin <nancy.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 61 +++++-----
drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 2 +-
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 125 ++++++++++++--------
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 50 +++++++-
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 78 ++++++------
drivers/gpu/drm/mediatek/mtk_drm_drv.h | 12 +-
6 files changed, 207 insertions(+), 121 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index b17118c545fd..384a90d55a9b 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -380,13 +380,17 @@ static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
}

for (i = 0; i < mtk_crtc->ddp_comp_nr - 1; i++) {
- mtk_mmsys_ddp_connect(mtk_crtc->mmsys_dev,
- mtk_crtc->ddp_comp[i]->id,
- mtk_crtc->ddp_comp[i + 1]->id);
- mtk_mutex_add_comp(mtk_crtc->mutex,
- mtk_crtc->ddp_comp[i]->id);
+ if (!mtk_ddp_comp_connect(mtk_crtc->ddp_comp[i], mtk_crtc->mmsys_dev,
+ mtk_crtc->ddp_comp[i + 1]->id))
+ mtk_mmsys_ddp_connect(mtk_crtc->mmsys_dev,
+ mtk_crtc->ddp_comp[i]->id,
+ mtk_crtc->ddp_comp[i + 1]->id);
+ if (!mtk_ddp_comp_add(mtk_crtc->ddp_comp[i], mtk_crtc->mutex))
+ mtk_mutex_add_comp(mtk_crtc->mutex,
+ mtk_crtc->ddp_comp[i]->id);
}
- mtk_mutex_add_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id);
+ if (!mtk_ddp_comp_add(mtk_crtc->ddp_comp[i], mtk_crtc->mutex))
+ mtk_mutex_add_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id);
mtk_mutex_enable(mtk_crtc->mutex);

for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) {
@@ -435,17 +439,22 @@ static void mtk_crtc_ddp_hw_fini(struct mtk_drm_crtc *mtk_crtc)
}

for (i = 0; i < mtk_crtc->ddp_comp_nr; i++)
- mtk_mutex_remove_comp(mtk_crtc->mutex,
- mtk_crtc->ddp_comp[i]->id);
+ if (!mtk_ddp_comp_remove(mtk_crtc->ddp_comp[i], mtk_crtc->mutex))
+ mtk_mutex_remove_comp(mtk_crtc->mutex,
+ mtk_crtc->ddp_comp[i]->id);
mtk_mutex_disable(mtk_crtc->mutex);
for (i = 0; i < mtk_crtc->ddp_comp_nr - 1; i++) {
- mtk_mmsys_ddp_disconnect(mtk_crtc->mmsys_dev,
- mtk_crtc->ddp_comp[i]->id,
- mtk_crtc->ddp_comp[i + 1]->id);
- mtk_mutex_remove_comp(mtk_crtc->mutex,
- mtk_crtc->ddp_comp[i]->id);
+ if (!mtk_ddp_comp_disconnect(mtk_crtc->ddp_comp[i], mtk_crtc->mmsys_dev,
+ mtk_crtc->ddp_comp[i + 1]->id))
+ mtk_mmsys_ddp_disconnect(mtk_crtc->mmsys_dev,
+ mtk_crtc->ddp_comp[i]->id,
+ mtk_crtc->ddp_comp[i + 1]->id);
+ if (!mtk_ddp_comp_remove(mtk_crtc->ddp_comp[i], mtk_crtc->mutex))
+ mtk_mutex_remove_comp(mtk_crtc->mutex,
+ mtk_crtc->ddp_comp[i]->id);
}
- mtk_mutex_remove_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id);
+ if (!mtk_ddp_comp_remove(mtk_crtc->ddp_comp[i], mtk_crtc->mutex))
+ mtk_mutex_remove_comp(mtk_crtc->mutex, mtk_crtc->ddp_comp[i]->id);
mtk_crtc_ddp_clk_disable(mtk_crtc);
mtk_mutex_unprepare(mtk_crtc->mutex);

@@ -875,7 +884,7 @@ struct device *mtk_drm_crtc_dma_dev_get(struct drm_crtc *crtc)
}

int mtk_drm_crtc_create(struct drm_device *drm_dev,
- const enum mtk_ddp_comp_id *path, unsigned int path_len,
+ const unsigned int *path, unsigned int path_len,
int priv_data_index)
{
struct mtk_drm_private *priv = drm_dev->dev_private;
@@ -898,22 +907,18 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
crtc_i++;

for (i = 0; i < path_len; i++) {
- enum mtk_ddp_comp_id comp_id = path[i];
+ unsigned int comp_id = path[i];
struct device_node *node;
- struct mtk_ddp_comp *comp;

node = priv->comp_node[comp_id];
- comp = &priv->ddp_comp[comp_id];
-
- if (!node) {
- dev_info(dev,
- "Not creating crtc %d because component %d is disabled or missing\n",
- crtc_i, comp_id);
- return 0;
- }

- if (!comp->dev) {
- dev_err(dev, "Component %pOF not initialized\n", node);
+ /* Not all drm components have a DTS device node, such as ovl_adaptor,
+ * which is the drm bring up sub driver
+ */
+ if (!node && comp_id != DDP_COMPONENT_DRM_OVL_ADAPTOR) {
+ dev_err(dev,
+ "Not creating crtc %d because component %d is disabled, missing or not initialized\n",
+ crtc_i, comp_id);
return -ENODEV;
}
}
@@ -938,7 +943,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
}

for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) {
- enum mtk_ddp_comp_id comp_id = path[i];
+ unsigned int comp_id = path[i];
struct mtk_ddp_comp *comp;

comp = &priv->ddp_comp[comp_id];
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
index 606f72f35924..3e9046993d09 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h
@@ -16,7 +16,7 @@

void mtk_drm_crtc_commit(struct drm_crtc *crtc);
int mtk_drm_crtc_create(struct drm_device *drm_dev,
- const enum mtk_ddp_comp_id *path,
+ const unsigned int *path,
unsigned int path_len,
int priv_data_index);
int mtk_drm_crtc_plane_check(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 a848ca7e167a..2aab1e1eda36 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -389,6 +389,25 @@ static const struct mtk_ddp_comp_funcs ddp_ufoe = {
.start = mtk_ufoe_start,
};

+static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor = {
+ .clk_enable = mtk_ovl_adaptor_clk_enable,
+ .clk_disable = mtk_ovl_adaptor_clk_disable,
+ .config = mtk_ovl_adaptor_config,
+ .start = mtk_ovl_adaptor_start,
+ .stop = mtk_ovl_adaptor_stop,
+ .layer_nr = mtk_ovl_adaptor_layer_nr,
+ .layer_config = mtk_ovl_adaptor_layer_config,
+ .register_vblank_cb = mtk_ovl_adaptor_register_vblank_cb,
+ .unregister_vblank_cb = mtk_ovl_adaptor_unregister_vblank_cb,
+ .enable_vblank = mtk_ovl_adaptor_enable_vblank,
+ .disable_vblank = mtk_ovl_adaptor_disable_vblank,
+ .dma_dev_get = mtk_ovl_adaptor_dma_dev_get,
+ .connect = mtk_ovl_adaptor_connect,
+ .disconnect = mtk_ovl_adaptor_disconnect,
+ .add = mtk_ovl_adaptor_add_comp,
+ .remove = mtk_ovl_adaptor_remove_comp,
+};
+
static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = {
[MTK_DISP_AAL] = "aal",
[MTK_DISP_BLS] = "bls",
@@ -402,6 +421,7 @@ static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = {
[MTK_DISP_OD] = "od",
[MTK_DISP_OVL] = "ovl",
[MTK_DISP_OVL_2L] = "ovl-2l",
+ [MTK_DISP_OVL_ADAPTOR] = "ovl_adaptor",
[MTK_DISP_POSTMASK] = "postmask",
[MTK_DISP_PWM] = "pwm",
[MTK_DISP_RDMA] = "rdma",
@@ -417,51 +437,52 @@ struct mtk_ddp_comp_match {
const struct mtk_ddp_comp_funcs *funcs;
};

-static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
- [DDP_COMPONENT_AAL0] = { MTK_DISP_AAL, 0, &ddp_aal },
- [DDP_COMPONENT_AAL1] = { MTK_DISP_AAL, 1, &ddp_aal },
- [DDP_COMPONENT_BLS] = { MTK_DISP_BLS, 0, NULL },
- [DDP_COMPONENT_CCORR] = { MTK_DISP_CCORR, 0, &ddp_ccorr },
- [DDP_COMPONENT_COLOR0] = { MTK_DISP_COLOR, 0, &ddp_color },
- [DDP_COMPONENT_COLOR1] = { MTK_DISP_COLOR, 1, &ddp_color },
- [DDP_COMPONENT_DITHER0] = { MTK_DISP_DITHER, 0, &ddp_dither },
- [DDP_COMPONENT_DPI0] = { MTK_DPI, 0, &ddp_dpi },
- [DDP_COMPONENT_DPI1] = { MTK_DPI, 1, &ddp_dpi },
- [DDP_COMPONENT_DSC0] = { MTK_DISP_DSC, 0, &ddp_dsc },
- [DDP_COMPONENT_DSC1] = { MTK_DISP_DSC, 1, &ddp_dsc },
- [DDP_COMPONENT_DSI0] = { MTK_DSI, 0, &ddp_dsi },
- [DDP_COMPONENT_DSI1] = { MTK_DSI, 1, &ddp_dsi },
- [DDP_COMPONENT_DSI2] = { MTK_DSI, 2, &ddp_dsi },
- [DDP_COMPONENT_DSI3] = { MTK_DSI, 3, &ddp_dsi },
- [DDP_COMPONENT_GAMMA] = { MTK_DISP_GAMMA, 0, &ddp_gamma },
- [DDP_COMPONENT_MERGE0] = { MTK_DISP_MERGE, 0, &ddp_merge },
- [DDP_COMPONENT_MERGE1] = { MTK_DISP_MERGE, 1, &ddp_merge },
- [DDP_COMPONENT_MERGE2] = { MTK_DISP_MERGE, 2, &ddp_merge },
- [DDP_COMPONENT_MERGE3] = { MTK_DISP_MERGE, 3, &ddp_merge },
- [DDP_COMPONENT_MERGE4] = { MTK_DISP_MERGE, 4, &ddp_merge },
- [DDP_COMPONENT_MERGE5] = { MTK_DISP_MERGE, 5, &ddp_merge },
- [DDP_COMPONENT_OD0] = { MTK_DISP_OD, 0, &ddp_od },
- [DDP_COMPONENT_OD1] = { MTK_DISP_OD, 1, &ddp_od },
- [DDP_COMPONENT_OVL0] = { MTK_DISP_OVL, 0, &ddp_ovl },
- [DDP_COMPONENT_OVL1] = { MTK_DISP_OVL, 1, &ddp_ovl },
- [DDP_COMPONENT_OVL_2L0] = { MTK_DISP_OVL_2L, 0, &ddp_ovl },
- [DDP_COMPONENT_OVL_2L1] = { MTK_DISP_OVL_2L, 1, &ddp_ovl },
- [DDP_COMPONENT_OVL_2L2] = { MTK_DISP_OVL_2L, 2, &ddp_ovl },
- [DDP_COMPONENT_POSTMASK0] = { MTK_DISP_POSTMASK, 0, &ddp_postmask },
- [DDP_COMPONENT_PWM0] = { MTK_DISP_PWM, 0, NULL },
- [DDP_COMPONENT_PWM1] = { MTK_DISP_PWM, 1, NULL },
- [DDP_COMPONENT_PWM2] = { MTK_DISP_PWM, 2, NULL },
- [DDP_COMPONENT_RDMA0] = { MTK_DISP_RDMA, 0, &ddp_rdma },
- [DDP_COMPONENT_RDMA1] = { MTK_DISP_RDMA, 1, &ddp_rdma },
- [DDP_COMPONENT_RDMA2] = { MTK_DISP_RDMA, 2, &ddp_rdma },
- [DDP_COMPONENT_RDMA4] = { MTK_DISP_RDMA, 4, &ddp_rdma },
- [DDP_COMPONENT_UFOE] = { MTK_DISP_UFOE, 0, &ddp_ufoe },
- [DDP_COMPONENT_WDMA0] = { MTK_DISP_WDMA, 0, NULL },
- [DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL },
+static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_DRM_ID_MAX] = {
+ [DDP_COMPONENT_AAL0] = { MTK_DISP_AAL, 0, &ddp_aal },
+ [DDP_COMPONENT_AAL1] = { MTK_DISP_AAL, 1, &ddp_aal },
+ [DDP_COMPONENT_BLS] = { MTK_DISP_BLS, 0, NULL },
+ [DDP_COMPONENT_CCORR] = { MTK_DISP_CCORR, 0, &ddp_ccorr },
+ [DDP_COMPONENT_COLOR0] = { MTK_DISP_COLOR, 0, &ddp_color },
+ [DDP_COMPONENT_COLOR1] = { MTK_DISP_COLOR, 1, &ddp_color },
+ [DDP_COMPONENT_DITHER0] = { MTK_DISP_DITHER, 0, &ddp_dither },
+ [DDP_COMPONENT_DPI0] = { MTK_DPI, 0, &ddp_dpi },
+ [DDP_COMPONENT_DPI1] = { MTK_DPI, 1, &ddp_dpi },
+ [DDP_COMPONENT_DRM_OVL_ADAPTOR] = { MTK_DISP_OVL_ADAPTOR, 0, &ddp_ovl_adaptor },
+ [DDP_COMPONENT_DSC0] = { MTK_DISP_DSC, 0, &ddp_dsc },
+ [DDP_COMPONENT_DSC1] = { MTK_DISP_DSC, 1, &ddp_dsc },
+ [DDP_COMPONENT_DSI0] = { MTK_DSI, 0, &ddp_dsi },
+ [DDP_COMPONENT_DSI1] = { MTK_DSI, 1, &ddp_dsi },
+ [DDP_COMPONENT_DSI2] = { MTK_DSI, 2, &ddp_dsi },
+ [DDP_COMPONENT_DSI3] = { MTK_DSI, 3, &ddp_dsi },
+ [DDP_COMPONENT_GAMMA] = { MTK_DISP_GAMMA, 0, &ddp_gamma },
+ [DDP_COMPONENT_MERGE0] = { MTK_DISP_MERGE, 0, &ddp_merge },
+ [DDP_COMPONENT_MERGE1] = { MTK_DISP_MERGE, 1, &ddp_merge },
+ [DDP_COMPONENT_MERGE2] = { MTK_DISP_MERGE, 2, &ddp_merge },
+ [DDP_COMPONENT_MERGE3] = { MTK_DISP_MERGE, 3, &ddp_merge },
+ [DDP_COMPONENT_MERGE4] = { MTK_DISP_MERGE, 4, &ddp_merge },
+ [DDP_COMPONENT_MERGE5] = { MTK_DISP_MERGE, 5, &ddp_merge },
+ [DDP_COMPONENT_OD0] = { MTK_DISP_OD, 0, &ddp_od },
+ [DDP_COMPONENT_OD1] = { MTK_DISP_OD, 1, &ddp_od },
+ [DDP_COMPONENT_OVL0] = { MTK_DISP_OVL, 0, &ddp_ovl },
+ [DDP_COMPONENT_OVL1] = { MTK_DISP_OVL, 1, &ddp_ovl },
+ [DDP_COMPONENT_OVL_2L0] = { MTK_DISP_OVL_2L, 0, &ddp_ovl },
+ [DDP_COMPONENT_OVL_2L1] = { MTK_DISP_OVL_2L, 1, &ddp_ovl },
+ [DDP_COMPONENT_OVL_2L2] = { MTK_DISP_OVL_2L, 2, &ddp_ovl },
+ [DDP_COMPONENT_POSTMASK0] = { MTK_DISP_POSTMASK, 0, &ddp_postmask },
+ [DDP_COMPONENT_PWM0] = { MTK_DISP_PWM, 0, NULL },
+ [DDP_COMPONENT_PWM1] = { MTK_DISP_PWM, 1, NULL },
+ [DDP_COMPONENT_PWM2] = { MTK_DISP_PWM, 2, NULL },
+ [DDP_COMPONENT_RDMA0] = { MTK_DISP_RDMA, 0, &ddp_rdma },
+ [DDP_COMPONENT_RDMA1] = { MTK_DISP_RDMA, 1, &ddp_rdma },
+ [DDP_COMPONENT_RDMA2] = { MTK_DISP_RDMA, 2, &ddp_rdma },
+ [DDP_COMPONENT_RDMA4] = { MTK_DISP_RDMA, 4, &ddp_rdma },
+ [DDP_COMPONENT_UFOE] = { MTK_DISP_UFOE, 0, &ddp_ufoe },
+ [DDP_COMPONENT_WDMA0] = { MTK_DISP_WDMA, 0, NULL },
+ [DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL },
};

static bool mtk_drm_find_comp_in_ddp(struct device *dev,
- const enum mtk_ddp_comp_id *path,
+ const unsigned int *path,
unsigned int path_len,
struct mtk_ddp_comp *ddp_comp)
{
@@ -514,7 +535,7 @@ unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
}

int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp,
- enum mtk_ddp_comp_id comp_id)
+ unsigned int comp_id)
{
struct platform_device *comp_pdev;
enum mtk_ddp_comp_type type;
@@ -523,19 +544,24 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp,
int ret;
#endif

- if (comp_id < 0 || comp_id >= DDP_COMPONENT_ID_MAX)
+ if (comp_id < 0 || comp_id >= DDP_COMPONENT_DRM_ID_MAX)
return -EINVAL;

type = mtk_ddp_matches[comp_id].type;

comp->id = comp_id;
comp->funcs = mtk_ddp_matches[comp_id].funcs;
- comp_pdev = of_find_device_by_node(node);
- if (!comp_pdev) {
- DRM_INFO("Waiting for device %s\n", node->full_name);
- return -EPROBE_DEFER;
+ /* Not all drm components have a DTS device node, such as ovl_adaptor,
+ * which is the drm bring up sub driver
+ */
+ if (node) {
+ comp_pdev = of_find_device_by_node(node);
+ if (!comp_pdev) {
+ DRM_INFO("Waiting for device %s\n", node->full_name);
+ return -EPROBE_DEFER;
+ }
+ comp->dev = &comp_pdev->dev;
}
- comp->dev = &comp_pdev->dev;

if (type == MTK_DISP_AAL ||
type == MTK_DISP_BLS ||
@@ -545,6 +571,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp,
type == MTK_DISP_MERGE ||
type == MTK_DISP_OVL ||
type == MTK_DISP_OVL_2L ||
+ type == MTK_DISP_OVL_ADAPTOR ||
type == MTK_DISP_PWM ||
type == MTK_DISP_RDMA ||
type == MTK_DPI ||
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index b04e656cb251..af9a6671f9c4 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -9,6 +9,7 @@
#include <linux/io.h>
#include <linux/soc/mediatek/mtk-cmdq.h>
#include <linux/soc/mediatek/mtk-mmsys.h>
+#include <linux/soc/mediatek/mtk-mutex.h>

struct device;
struct device_node;
@@ -30,6 +31,7 @@ enum mtk_ddp_comp_type {
MTK_DISP_OD,
MTK_DISP_OVL,
MTK_DISP_OVL_2L,
+ MTK_DISP_OVL_ADAPTOR,
MTK_DISP_POSTMASK,
MTK_DISP_PWM,
MTK_DISP_RDMA,
@@ -71,12 +73,16 @@ struct mtk_ddp_comp_funcs {
void (*ctm_set)(struct device *dev,
struct drm_crtc_state *state);
struct device * (*dma_dev_get)(struct device *dev);
+ void (*connect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
+ 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);
};

struct mtk_ddp_comp {
struct device *dev;
int irq;
- enum mtk_ddp_comp_id id;
+ unsigned int id;
const struct mtk_ddp_comp_funcs *funcs;
};

@@ -210,13 +216,51 @@ static inline struct device *mtk_ddp_comp_dma_dev_get(struct mtk_ddp_comp *comp)
return comp->dev;
}

+static inline bool mtk_ddp_comp_add(struct mtk_ddp_comp *comp, struct mtk_mutex *mutex)
+{
+ if (comp->funcs && comp->funcs->add) {
+ comp->funcs->add(comp->dev, mutex);
+ return true;
+ }
+ return false;
+}
+
+static inline bool mtk_ddp_comp_remove(struct mtk_ddp_comp *comp, struct mtk_mutex *mutex)
+{
+ if (comp->funcs && comp->funcs->remove) {
+ comp->funcs->remove(comp->dev, mutex);
+ return true;
+ }
+ return false;
+}
+
+static inline bool mtk_ddp_comp_connect(struct mtk_ddp_comp *comp, struct device *mmsys_dev,
+ unsigned int next)
+{
+ if (comp->funcs && comp->funcs->connect) {
+ comp->funcs->connect(comp->dev, mmsys_dev, next);
+ return true;
+ }
+ return false;
+}
+
+static inline bool mtk_ddp_comp_disconnect(struct mtk_ddp_comp *comp, struct device *mmsys_dev,
+ unsigned int next)
+{
+ if (comp->funcs && comp->funcs->disconnect) {
+ comp->funcs->disconnect(comp->dev, mmsys_dev, next);
+ return true;
+ }
+ return false;
+}
+
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,
struct device *dev);
int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
- enum mtk_ddp_comp_id comp_id);
-enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id);
+ unsigned int comp_id);
+enum mtk_ddp_comp_type mtk_ddp_comp_get_type(unsigned int comp_id);
void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
unsigned int offset);
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 83c75ba43b20..3fd8a9091e40 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -60,7 +60,7 @@ static const struct drm_mode_config_funcs mtk_drm_mode_config_funcs = {
.atomic_commit = drm_atomic_helper_commit,
};

-static const enum mtk_ddp_comp_id mt2701_mtk_ddp_main[] = {
+static const unsigned int mt2701_mtk_ddp_main[] = {
DDP_COMPONENT_OVL0,
DDP_COMPONENT_RDMA0,
DDP_COMPONENT_COLOR0,
@@ -68,12 +68,12 @@ 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 const unsigned int mt2701_mtk_ddp_ext[] = {
DDP_COMPONENT_RDMA1,
DDP_COMPONENT_DPI0,
};

-static const enum mtk_ddp_comp_id mt7623_mtk_ddp_main[] = {
+static const unsigned int mt7623_mtk_ddp_main[] = {
DDP_COMPONENT_OVL0,
DDP_COMPONENT_RDMA0,
DDP_COMPONENT_COLOR0,
@@ -81,12 +81,12 @@ static const enum mtk_ddp_comp_id mt7623_mtk_ddp_main[] = {
DDP_COMPONENT_DPI0,
};

-static const enum mtk_ddp_comp_id mt7623_mtk_ddp_ext[] = {
+static const unsigned int mt7623_mtk_ddp_ext[] = {
DDP_COMPONENT_RDMA1,
DDP_COMPONENT_DSI0,
};

-static const enum mtk_ddp_comp_id mt2712_mtk_ddp_main[] = {
+static const unsigned int mt2712_mtk_ddp_main[] = {
DDP_COMPONENT_OVL0,
DDP_COMPONENT_COLOR0,
DDP_COMPONENT_AAL0,
@@ -96,7 +96,7 @@ 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 const unsigned int mt2712_mtk_ddp_ext[] = {
DDP_COMPONENT_OVL1,
DDP_COMPONENT_COLOR1,
DDP_COMPONENT_AAL1,
@@ -106,13 +106,13 @@ static const enum mtk_ddp_comp_id mt2712_mtk_ddp_ext[] = {
DDP_COMPONENT_PWM1,
};

-static const enum mtk_ddp_comp_id mt2712_mtk_ddp_third[] = {
+static const unsigned int mt2712_mtk_ddp_third[] = {
DDP_COMPONENT_RDMA2,
DDP_COMPONENT_DSI3,
DDP_COMPONENT_PWM2,
};

-static enum mtk_ddp_comp_id mt8167_mtk_ddp_main[] = {
+static unsigned int mt8167_mtk_ddp_main[] = {
DDP_COMPONENT_OVL0,
DDP_COMPONENT_COLOR0,
DDP_COMPONENT_CCORR,
@@ -123,7 +123,7 @@ static enum mtk_ddp_comp_id mt8167_mtk_ddp_main[] = {
DDP_COMPONENT_DSI0,
};

-static const enum mtk_ddp_comp_id mt8173_mtk_ddp_main[] = {
+static const unsigned int mt8173_mtk_ddp_main[] = {
DDP_COMPONENT_OVL0,
DDP_COMPONENT_COLOR0,
DDP_COMPONENT_AAL0,
@@ -134,7 +134,7 @@ 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 const unsigned int mt8173_mtk_ddp_ext[] = {
DDP_COMPONENT_OVL1,
DDP_COMPONENT_COLOR1,
DDP_COMPONENT_GAMMA,
@@ -142,7 +142,7 @@ static const enum mtk_ddp_comp_id mt8173_mtk_ddp_ext[] = {
DDP_COMPONENT_DPI0,
};

-static const enum mtk_ddp_comp_id mt8183_mtk_ddp_main[] = {
+static const unsigned int mt8183_mtk_ddp_main[] = {
DDP_COMPONENT_OVL0,
DDP_COMPONENT_OVL_2L0,
DDP_COMPONENT_RDMA0,
@@ -154,13 +154,13 @@ static const enum mtk_ddp_comp_id mt8183_mtk_ddp_main[] = {
DDP_COMPONENT_DSI0,
};

-static const enum mtk_ddp_comp_id mt8183_mtk_ddp_ext[] = {
+static const unsigned int mt8183_mtk_ddp_ext[] = {
DDP_COMPONENT_OVL_2L1,
DDP_COMPONENT_RDMA1,
DDP_COMPONENT_DPI0,
};

-static const enum mtk_ddp_comp_id mt8186_mtk_ddp_main[] = {
+static const unsigned int mt8186_mtk_ddp_main[] = {
DDP_COMPONENT_OVL0,
DDP_COMPONENT_RDMA0,
DDP_COMPONENT_COLOR0,
@@ -172,13 +172,13 @@ static const enum mtk_ddp_comp_id mt8186_mtk_ddp_main[] = {
DDP_COMPONENT_DSI0,
};

-static const enum mtk_ddp_comp_id mt8186_mtk_ddp_ext[] = {
+static const unsigned int mt8186_mtk_ddp_ext[] = {
DDP_COMPONENT_OVL_2L0,
DDP_COMPONENT_RDMA1,
DDP_COMPONENT_DPI0,
};

-static const enum mtk_ddp_comp_id mt8192_mtk_ddp_main[] = {
+static const unsigned int mt8192_mtk_ddp_main[] = {
DDP_COMPONENT_OVL0,
DDP_COMPONENT_OVL_2L0,
DDP_COMPONENT_RDMA0,
@@ -191,13 +191,13 @@ static const enum mtk_ddp_comp_id mt8192_mtk_ddp_main[] = {
DDP_COMPONENT_DSI0,
};

-static const enum mtk_ddp_comp_id mt8192_mtk_ddp_ext[] = {
+static const unsigned int mt8192_mtk_ddp_ext[] = {
DDP_COMPONENT_OVL_2L2,
DDP_COMPONENT_RDMA4,
DDP_COMPONENT_DPI0,
};

-static const enum mtk_ddp_comp_id mt8195_mtk_ddp_main[] = {
+static const unsigned int mt8195_mtk_ddp_main[] = {
DDP_COMPONENT_OVL0,
DDP_COMPONENT_RDMA0,
DDP_COMPONENT_COLOR0,
@@ -450,9 +450,7 @@ static int mtk_drm_kms_init(struct drm_device *drm)
{
struct mtk_drm_private *private = drm->dev_private;
struct mtk_drm_private *priv_n;
- struct platform_device *pdev;
- struct device_node *np = NULL;
- struct device *dma_dev;
+ struct device *dma_dev = NULL;
int ret, i, j;

if (drm_firmware_drivers_only())
@@ -490,7 +488,6 @@ static int mtk_drm_kms_init(struct drm_device *drm)
* different drm private data structures. Loop through crtc index to
* create crtc from the main path and then ext_path and finally the
* third path.
- * 3. Use OVL device for all DMA memory allocations
*/
for (i = 0; i < MAX_CRTC; i++) {
for (j = 0; j < private->data->mmsys_dev_num; j++) {
@@ -502,9 +499,6 @@ static int mtk_drm_kms_init(struct drm_device *drm)
if (ret)
goto err_component_unbind;

- if (!np)
- np = priv_n->comp_node[priv_n->data->main_path[0]];
-
continue;
} else if (i == 1 && priv_n->data->ext_len) {
ret = mtk_drm_crtc_create(drm, priv_n->data->ext_path,
@@ -512,9 +506,6 @@ static int mtk_drm_kms_init(struct drm_device *drm)
if (ret)
goto err_component_unbind;

- if (!np)
- np = priv_n->comp_node[priv_n->data->ext_path[0]];
-
continue;
} else if (i == 2 && priv_n->data->third_len) {
ret = mtk_drm_crtc_create(drm, priv_n->data->third_path,
@@ -522,22 +513,19 @@ static int mtk_drm_kms_init(struct drm_device *drm)
if (ret)
goto err_component_unbind;

- if (!np)
- np = priv_n->comp_node[priv_n->data->third_path[0]];
-
continue;
}
}
}

- pdev = of_find_device_by_node(np);
- if (!pdev) {
+ /* Use OVL device for all DMA memory allocations */
+ dma_dev = mtk_drm_crtc_dma_dev_get(drm_crtc_from_index(drm, 0));
+ if (!dma_dev) {
ret = -ENODEV;
dev_err(drm->dev, "Need at least one OVL device\n");
goto err_component_unbind;
}

- dma_dev = &pdev->dev;
for (i = 0; i < private->data->mmsys_dev_num; i++)
private->all_drm_private[i]->dma_dev = dma_dev;

@@ -611,6 +599,11 @@ static const struct drm_driver mtk_drm_driver = {
.minor = DRIVER_MINOR,
};

+static int compare_dev(struct device *dev, void *data)
+{
+ return dev == (struct device *)data;
+}
+
static int mtk_drm_bind(struct device *dev)
{
struct mtk_drm_private *private = dev_get_drvdata(dev);
@@ -823,6 +816,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
struct mtk_drm_private *private;
struct device_node *node;
struct component_match *match = NULL;
+ struct platform_device *ovl_adaptor;
int ret;
int i;

@@ -860,6 +854,18 @@ static int mtk_drm_probe(struct platform_device *pdev)
if (!private->all_drm_private)
return -ENOMEM;

+ /* Bringup ovl_adaptor */
+ if (mtk_drm_find_mmsys_comp(private, DDP_COMPONENT_DRM_OVL_ADAPTOR)) {
+ ovl_adaptor = platform_device_register_data(dev, "mediatek-disp-ovl-adaptor",
+ PLATFORM_DEVID_AUTO,
+ (void *)private->mmsys_dev,
+ sizeof(*private->mmsys_dev));
+ private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR].dev = &ovl_adaptor->dev;
+ mtk_ddp_comp_init(NULL, &private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR],
+ DDP_COMPONENT_DRM_OVL_ADAPTOR);
+ component_match_add(dev, &match, compare_dev, &ovl_adaptor->dev);
+ }
+
/* Iterate over sibling DISP function blocks */
for_each_child_of_node(phandle->parent, node) {
const struct of_device_id *of_id;
@@ -913,6 +919,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
comp_type == MTK_DISP_MERGE ||
comp_type == MTK_DISP_OVL ||
comp_type == MTK_DISP_OVL_2L ||
+ comp_type == MTK_DISP_OVL_ADAPTOR ||
comp_type == MTK_DISP_RDMA ||
comp_type == MTK_DPI ||
comp_type == MTK_DSI) {
@@ -949,7 +956,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
pm_runtime_disable(dev);
err_node:
of_node_put(private->mutex_node);
- for (i = 0; i < DDP_COMPONENT_ID_MAX; i++)
+ for (i = 0; i < DDP_COMPONENT_DRM_ID_MAX; i++)
of_node_put(private->comp_node[i]);
return ret;
}
@@ -962,7 +969,7 @@ static int mtk_drm_remove(struct platform_device *pdev)
component_master_del(&pdev->dev, &mtk_drm_ops);
pm_runtime_disable(&pdev->dev);
of_node_put(private->mutex_node);
- for (i = 0; i < DDP_COMPONENT_ID_MAX; i++)
+ for (i = 0; i < DDP_COMPONENT_DRM_ID_MAX; i++)
of_node_put(private->comp_node[i]);

return 0;
@@ -1012,6 +1019,7 @@ static struct platform_driver * const mtk_drm_drivers[] = {
&mtk_disp_color_driver,
&mtk_disp_gamma_driver,
&mtk_disp_merge_driver,
+ &mtk_disp_ovl_adaptor_driver,
&mtk_disp_ovl_driver,
&mtk_disp_rdma_driver,
&mtk_dpi_driver,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
index 2d843c88cffb..acbf14b597db 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
@@ -11,6 +11,8 @@

#define MAX_CRTC 3
#define MAX_CONNECTOR 2
+#define DDP_COMPONENT_DRM_OVL_ADAPTOR (DDP_COMPONENT_ID_MAX + 1)
+#define DDP_COMPONENT_DRM_ID_MAX (DDP_COMPONENT_DRM_OVL_ADAPTOR + 1)

struct device;
struct device_node;
@@ -22,11 +24,11 @@ struct regmap;

struct mtk_mmsys_driver_data {
const resource_size_t io_start;
- const enum mtk_ddp_comp_id *main_path;
+ const unsigned int *main_path;
unsigned int main_len;
- const enum mtk_ddp_comp_id *ext_path;
+ const unsigned int *ext_path;
unsigned int ext_len;
- const enum mtk_ddp_comp_id *third_path;
+ const unsigned int *third_path;
unsigned int third_len;

bool shadow_register;
@@ -48,8 +50,8 @@ struct mtk_drm_private {
struct device_node *mutex_node;
struct device *mutex_dev;
struct device *mmsys_dev;
- struct device_node *comp_node[DDP_COMPONENT_ID_MAX];
- struct mtk_ddp_comp ddp_comp[DDP_COMPONENT_ID_MAX];
+ struct device_node *comp_node[DDP_COMPONENT_DRM_ID_MAX];
+ struct mtk_ddp_comp ddp_comp[DDP_COMPONENT_DRM_ID_MAX];
const struct mtk_mmsys_driver_data *data;
struct drm_atomic_state *suspend_state;
unsigned int mbox_index;
--
2.18.0