drivers/gpu/drm/mediatek/mtk_plane.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/mediatek/mtk_plane.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/mediatek/mtk_plane.h
Extension
.h
Size
1340 bytes
Lines
55
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct mtk_plane_pending_state {
	bool				config;
	bool				enable;
	dma_addr_t			addr;
	dma_addr_t			hdr_addr;
	unsigned int			pitch;
	unsigned int			hdr_pitch;
	unsigned int			format;
	unsigned long long		modifier;
	unsigned int			x;
	unsigned int			y;
	unsigned int			width;
	unsigned int			height;
	unsigned int			rotation;
	bool				dirty;
	bool				async_dirty;
	bool				async_config;
	enum drm_color_encoding		color_encoding;
};

struct mtk_plane_state {
	struct drm_plane_state		base;
	struct mtk_plane_pending_state	pending;
};

static inline struct mtk_plane_state *
to_mtk_plane_state(struct drm_plane_state *state)
{
	return container_of(state, struct mtk_plane_state, base);
}

int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane,
		   unsigned long possible_crtcs, enum drm_plane_type type,
		   unsigned int supported_rotations, const u32 blend_modes,
		   const u32 *formats, size_t num_formats,
		   bool supports_afbc, unsigned int plane_idx);
#endif

Annotation

Implementation Notes