drivers/gpu/drm/logicvc/logicvc_layer.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/logicvc/logicvc_layer.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/logicvc/logicvc_layer.h
Extension
.h
Size
1551 bytes
Lines
65
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 logicvc_layer_buffer_setup {
	u8 buffer_sel;
	u16 voffset;
	u16 hoffset;
};

struct logicvc_layer_config {
	u32 colorspace;
	u32 depth;
	u32 alpha_mode;
	u32 base_offset;
	u32 buffer_offset;
	bool primary;
};

struct logicvc_layer_formats {
	u32 colorspace;
	u32 depth;
	bool alpha;
	uint32_t *formats;
};

struct logicvc_layer {
	struct logicvc_layer_config config;
	struct logicvc_layer_formats *formats;
	struct device_node *of_node;

	struct drm_plane drm_plane;
	struct list_head list;
	u32 index;
};

int logicvc_layer_buffer_find_setup(struct logicvc_drm *logicvc,
				    struct logicvc_layer *layer,
				    struct drm_plane_state *state,
				    struct logicvc_layer_buffer_setup *setup);
struct logicvc_layer *logicvc_layer_get_from_index(struct logicvc_drm *logicvc,
						   u32 index);
struct logicvc_layer *logicvc_layer_get_from_type(struct logicvc_drm *logicvc,
						  enum drm_plane_type type);
struct logicvc_layer *logicvc_layer_get_primary(struct logicvc_drm *logicvc);
void logicvc_layers_attach_crtc(struct logicvc_drm *logicvc);
int logicvc_layers_init(struct logicvc_drm *logicvc);

#endif

Annotation

Implementation Notes