drivers/gpu/drm/amd/display/dc/dm_services.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/dm_services.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/dm_services.h
Extension
.h
Size
10076 bytes
Lines
310
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 persistent_data_flag {
	bool save_per_link;
	bool save_per_edid;
};

bool dm_query_extended_brightness_caps
	(struct dc_context *ctx, enum dm_acpi_display_type display,
			struct dm_acpi_atif_backlight_caps *pCaps);

bool dm_dmcu_set_pipe(struct dc_context *ctx, unsigned int controller_id);

/*
 *
 * print-out services
 *
 */
#define dm_log_to_buffer(buffer, size, fmt, args)\
	vsnprintf(buffer, size, fmt, args)

static inline unsigned long long dm_get_timestamp(struct dc_context *ctx)
{
	return ktime_get_raw_ns();
}

unsigned long long dm_get_elapse_time_in_ns(struct dc_context *ctx,
		unsigned long long current_time_stamp,
		unsigned long long last_time_stamp);

/*
 * performance tracing
 */
void dm_perf_trace_timestamp(const char *func_name, unsigned int line, struct dc_context *ctx);

#define PERF_TRACE()	dm_perf_trace_timestamp(__func__, __LINE__, CTX)
#define PERF_TRACE_CTX(__CTX)	dm_perf_trace_timestamp(__func__, __LINE__, __CTX)

/*
 * SMU message tracing
 */
void dm_trace_smu_enter(uint32_t msg_id, uint32_t param_in, unsigned int delay, struct dc_context *ctx);
void dm_trace_smu_exit(bool success, uint32_t response, struct dc_context *ctx);

#define TRACE_SMU_MSG_DELAY(msg_id, param_in, delay, ctx)	dm_trace_smu_enter(msg_id, param_in, delay, ctx)
#define TRACE_SMU_MSG(msg_id, param_in, ctx)	dm_trace_smu_enter(msg_id, param_in, 0, ctx)
#define TRACE_SMU_MSG_ENTER(msg_id, param_in, ctx)	dm_trace_smu_enter(msg_id, param_in, 0, ctx)
#define TRACE_SMU_MSG_EXIT(success, response, ctx)	dm_trace_smu_exit(success, response, ctx)

/*
 * DMUB Interfaces
 */
bool dm_execute_dmub_cmd(const struct dc_context *ctx, union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type);
bool dm_execute_dmub_cmd_list(const struct dc_context *ctx, unsigned int count, union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type);

/*
 * ACPI Interfaces
 */
void dm_acpi_process_phy_transition_interlock(
	const struct dc_context *ctx,
	struct dm_process_phy_transition_init_params process_phy_transition_init_params);

/*
 * Debug and verification hooks
 */

void dm_dtn_log_begin(struct dc_context *ctx,
	struct dc_log_buffer_ctx *log_ctx);
void dm_dtn_log_append_v(struct dc_context *ctx,
	struct dc_log_buffer_ctx *log_ctx,
	const char *msg, ...);
void dm_dtn_log_end(struct dc_context *ctx,
	struct dc_log_buffer_ctx *log_ctx);

char *dce_version_to_string(const int version);

bool dc_supports_vrr(const enum dce_version v);

#endif /* __DM_SERVICES_H__ */

Annotation

Implementation Notes