Create rotation property according to the hardware capability.
Since currently OVL of all chips support same rotation,
no need to define it in the driver data.
Fixes: 84d805753983 ("drm/mediatek: Support reflect-y plane rotation")
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Signed-off-by: Hsiao Chien Sung <shawn.sung@xxxxxxxxxxxx>
---
drivers/gpu/drm/mediatek/mtk_disp_drv.h | 1 +
drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 18 ++++++------------
.../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 9 +++++++++
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 1 +
drivers/gpu/drm/mediatek/mtk_drm_plane.c | 2 +-
5 files changed, 18 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
index 4d6e8b667bc3..c5afeb7c5527 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h
+++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h
@@ -127,6 +127,7 @@ void mtk_ovl_adaptor_register_vblank_cb(struct device *dev, void (*vblank_cb)(vo
void mtk_ovl_adaptor_unregister_vblank_cb(struct device *dev);
void mtk_ovl_adaptor_enable_vblank(struct device *dev);
void mtk_ovl_adaptor_disable_vblank(struct device *dev);
+unsigned int mtk_ovl_adaptor_supported_rotations(struct device *dev);
void mtk_ovl_adaptor_start(struct device *dev);
void mtk_ovl_adaptor_stop(struct device *dev);
unsigned int mtk_ovl_adaptor_layer_nr(struct device *dev);
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 78749dabeb43..f019737078f6 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -399,6 +399,10 @@ unsigned int mtk_ovl_layer_nr(struct device *dev)
unsigned int mtk_ovl_supported_rotations(struct device *dev)
{
+ /*
+ * although currently OVL can only do reflection,
+ * reflect x + reflect y = rotate 180
+ */
return DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 |
DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y;
}
@@ -407,27 +411,17 @@ int mtk_ovl_layer_check(struct device *dev, unsigned int idx,
struct mtk_plane_state *mtk_state)
{
struct drm_plane_state *state = &mtk_state->base;
- unsigned int rotation = 0;
- rotation = drm_rotation_simplify(state->rotation,
- DRM_MODE_ROTATE_0 |
- DRM_MODE_REFLECT_X |
- DRM_MODE_REFLECT_Y);
- rotation &= ~DRM_MODE_ROTATE_0;
-
- /* We can only do reflection, not rotation */
- if ((rotation & DRM_MODE_ROTATE_MASK) != 0)
+ if (state->rotation & ~mtk_ovl_supported_rotations(dev))
return -EINVAL;
/*
* TODO: Rotating/reflecting YUV buffers is not supported at this time.
* Only RGB[AX] variants are supported.
*/
- if (state->fb->format->is_yuv && rotation != 0)
+ if (state->fb->format->is_yuv && (state->rotation & ~DRM_MODE_ROTATE_0))
return -EINVAL;
- state->rotation = rotation;
-
return 0;
}
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
index 4398db9a6276..273c79d37bef 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
@@ -383,6 +383,15 @@ void mtk_ovl_adaptor_register_vblank_cb(struct device *dev, void (*vblank_cb)(vo
vblank_cb, vblank_cb_data);
}
+unsigned int mtk_ovl_adaptor_supported_rotations(struct device *dev)
+{
+ /*
+ * should still return DRM_MODE_ROTATE_0 if rotation is not supported,
+ * or IGT will fail.
+ */
+ return DRM_MODE_ROTATE_0;
+}
+
void mtk_ovl_adaptor_unregister_vblank_cb(struct device *dev)
{
struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index ffa4868b1222..206dd6f6f99e 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -422,6 +422,7 @@ static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor = {
.remove = mtk_ovl_adaptor_remove_comp,
.get_formats = mtk_ovl_adaptor_get_formats,
.get_num_formats = mtk_ovl_adaptor_get_num_formats,
+ .supported_rotations = mtk_ovl_adaptor_supported_rotations,
};
static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = {
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
index ff300426b590..e73b9793dee2 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
@@ -343,7 +343,7 @@ int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane,
return err;
}
- if (supported_rotations & ~DRM_MODE_ROTATE_0) {
+ if (supported_rotations) {
err = drm_plane_create_rotation_property(plane,
DRM_MODE_ROTATE_0,
supported_rotations);
--
2.18.0
