diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/reg_helper.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/reg_helper.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h b/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h index 8503d9cc4763..a9a9657c095a 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h +++ b/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h @@ -485,4 +485,26 @@ uint32_t generic_indirect_reg_update_ex(const struct dc_context *ctx, uint8_t shift1, uint32_t mask1, uint32_t field_value1, ...); + +#ifdef CONFIG_DRM_AMD_DC_DMUB +/* register offload macros + * + * instead of MMIO to register directly, in some cases we want + * to gather register sequence and execute the register sequence + * from another thread so we optimize time required for lengthy ops + */ + +/* start gathering register sequence */ +#define REG_SEQ_START() \ + reg_sequence_start_gather(CTX) + +/* start execution of register sequence gathered since REG_SEQ_START */ +#define REG_SEQ_SUBMIT() \ + reg_sequence_start_execute(CTX) + +/* wait for the last REG_SEQ_SUBMIT to finish */ +#define REG_SEQ_WAIT_DONE() \ + reg_sequence_wait_done(CTX) +#endif + #endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_INC_REG_HELPER_H_ */ |