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| author | Yongqiang Sun <yongqiang.sun@amd.com> | 2019-02-26 18:52:22 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-21 07:39:47 +0300 |
| commit | 335d5d7bbd3c4fe71ae765ad106d21b39ba85fd1 (patch) | |
| tree | 754ef6c93b3fb665ab886cf40097b6c046791b45 | |
| parent | eec3d5efd16d13984a88396b685ae17462fb6d87 (diff) | |
| download | linux-335d5d7bbd3c4fe71ae765ad106d21b39ba85fd1.tar.xz | |
drm/amd/display: change generic_reg_wait to void.
we were only checking the return value in one place, thus changing
generic_reg_wait from int to void and reading the register instead of
getting it from generic_reg_wait, when we need the return value.
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_helper.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_aux.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dm_services.h | 2 |
3 files changed, 5 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c b/drivers/gpu/drm/amd/display/dc/dc_helper.c index f9259e48c221..0872514480f4 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c @@ -269,7 +269,7 @@ uint32_t generic_reg_get(const struct dc_context *ctx, } */ -uint32_t generic_reg_wait(const struct dc_context *ctx, +void generic_reg_wait(const struct dc_context *ctx, uint32_t addr, uint32_t shift, uint32_t mask, uint32_t condition_value, unsigned int delay_between_poll_us, unsigned int time_out_num_tries, const char *func_name, int line) @@ -299,7 +299,7 @@ uint32_t generic_reg_wait(const struct dc_context *ctx, DC_LOG_DC("REG_WAIT taking a while: %dms in %s line:%d\n", delay_between_poll_us * i / 1000, func_name, line); - return reg_val; + return; } } @@ -309,8 +309,6 @@ uint32_t generic_reg_wait(const struct dc_context *ctx, if (!IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) BREAK_TO_DEBUGGER(); - - return reg_val; } void generic_write_indirect_reg(const struct dc_context *ctx, diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c index cdb3042e1ae1..937b5cffd7ef 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c @@ -317,9 +317,10 @@ static enum aux_channel_operation_result get_channel_status( *returned_bytes = 0; /* poll to make sure that SW_DONE is asserted */ - value = REG_WAIT(AUX_SW_STATUS, AUX_SW_DONE, 1, + REG_WAIT(AUX_SW_STATUS, AUX_SW_DONE, 1, 10, aux110->timeout_period/10); + value = REG_READ(AUX_SW_STATUS); /* in case HPD is LOW, exit AUX transaction */ if ((value & AUX_SW_STATUS__AUX_SW_HPD_DISCON_MASK)) return AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON; diff --git a/drivers/gpu/drm/amd/display/dc/dm_services.h b/drivers/gpu/drm/amd/display/dc/dm_services.h index a62d53a1df31..b351d3dcf8b2 100644 --- a/drivers/gpu/drm/amd/display/dc/dm_services.h +++ b/drivers/gpu/drm/amd/display/dc/dm_services.h @@ -159,7 +159,7 @@ uint32_t generic_reg_update_ex(const struct dc_context *ctx, * return number of poll before condition is met * return 0 if condition is not meet after specified time out tries */ -unsigned int generic_reg_wait(const struct dc_context *ctx, +void generic_reg_wait(const struct dc_context *ctx, uint32_t addr, uint32_t mask, uint32_t shift, uint32_t condition_value, unsigned int delay_between_poll_us, unsigned int time_out_num_tries, const char *func_name, int line); |