drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.h
Extension
.h
Size
2825 bytes
Lines
89
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 mdp5_smp_state {
	/* global state of what blocks are in use: */
	mdp5_smp_state_t state;

	/* per client state of what blocks they are using: */
	mdp5_smp_state_t client_state[MAX_CLIENTS];

	/* assigned pipes (hw updated at _prepare_commit()): */
	unsigned long assigned;

	/* released pipes (hw updated at _complete_commit()): */
	unsigned long released;
};

struct mdp5_kms;
struct mdp5_smp;

/*
 * SMP module prototypes:
 * mdp5_smp_init() returns a SMP @handler,
 * which is then used to call the other mdp5_smp_*(handler, ...) functions.
 */

struct mdp5_smp *mdp5_smp_init(struct mdp5_kms *mdp5_kms,
		const struct mdp5_smp_block *cfg);

struct mdp5_global_state;
void mdp5_smp_dump(struct mdp5_smp *smp, struct drm_printer *p,
		   struct mdp5_global_state *global_state);

uint32_t mdp5_smp_calculate(struct mdp5_smp *smp,
		const struct msm_format *format,
		u32 width, bool hdecim);

int mdp5_smp_assign(struct mdp5_smp *smp, struct mdp5_smp_state *state,
		enum mdp5_pipe pipe, uint32_t blkcfg);
void mdp5_smp_release(struct mdp5_smp *smp, struct mdp5_smp_state *state,
		enum mdp5_pipe pipe);

void mdp5_smp_prepare_commit(struct mdp5_smp *smp, struct mdp5_smp_state *state);
void mdp5_smp_complete_commit(struct mdp5_smp *smp, struct mdp5_smp_state *state);

#endif /* __MDP5_SMP_H__ */

Annotation

Implementation Notes