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 | 32 |
1 files changed, 32 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..2470405e996b 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h +++ b/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h @@ -458,7 +458,14 @@ uint32_t generic_reg_get8(const struct dc_context *ctx, uint32_t addr, #define IX_REG_READ(index_reg_name, data_reg_name, index) \ generic_read_indirect_reg(CTX, REG(index_reg_name), REG(data_reg_name), IND_REG(index)) +#define IX_REG_GET_N(index_reg_name, data_reg_name, index, n, ...) \ + generic_indirect_reg_get(CTX, REG(index_reg_name), REG(data_reg_name), \ + IND_REG(index), \ + n, __VA_ARGS__) +#define IX_REG_GET(index_reg_name, data_reg_name, index, field, val) \ + IX_REG_GET_N(index_reg_name, data_reg_name, index, 1, \ + FN(data_reg_name, field), val) #define IX_REG_UPDATE_N(index_reg_name, data_reg_name, index, n, ...) \ generic_indirect_reg_update_ex(CTX, \ @@ -479,10 +486,35 @@ uint32_t generic_read_indirect_reg(const struct dc_context *ctx, uint32_t addr_index, uint32_t addr_data, uint32_t index); +uint32_t generic_indirect_reg_get(const struct dc_context *ctx, + uint32_t addr_index, uint32_t addr_data, + uint32_t index, int n, + uint8_t shift1, uint32_t mask1, uint32_t *field_value1, + ...); + uint32_t generic_indirect_reg_update_ex(const struct dc_context *ctx, uint32_t addr_index, uint32_t addr_data, uint32_t index, uint32_t reg_val, int n, uint8_t shift1, uint32_t mask1, uint32_t field_value1, ...); +/* 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 /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_INC_REG_HELPER_H_ */ |