diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c index 69e34bef274c..28ff059aa7f3 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c @@ -80,14 +80,26 @@ static enum dc_psr_state convert_psr_state(uint32_t raw_state) static void dmub_psr_get_state(struct dmub_psr *dmub, enum dc_psr_state *state) { struct dmub_srv *srv = dmub->ctx->dmub_srv->dmub; - uint32_t raw_state; - - // Send gpint command and wait for ack - dmub_srv_send_gpint_command(srv, DMUB_GPINT__GET_PSR_STATE, 0, 30); - - dmub_srv_get_gpint_response(srv, &raw_state); - - *state = convert_psr_state(raw_state); + uint32_t raw_state = 0; + uint32_t retry_count = 0; + enum dmub_status status; + + do { + // Send gpint command and wait for ack + status = dmub_srv_send_gpint_command(srv, DMUB_GPINT__GET_PSR_STATE, 0, 30); + + if (status == DMUB_STATUS_OK) { + // GPINT was executed, get response + dmub_srv_get_gpint_response(srv, &raw_state); + *state = convert_psr_state(raw_state); + } else + // Return invalid state when GPINT times out + *state = PSR_STATE_INVALID; + + // Assert if max retry hit + if (retry_count >= 1000) + ASSERT(0); + } while (++retry_count <= 1000 && *state == PSR_STATE_INVALID); } /* @@ -216,6 +228,7 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub, res_ctx->pipe_ctx[i].stream->link == link && res_ctx->pipe_ctx[i].stream->link->connector_signal == SIGNAL_TYPE_EDP) { pipe_ctx = &res_ctx->pipe_ctx[i]; + //TODO: refactor for multi edp support break; } } @@ -269,8 +282,7 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub, copy_settings_data->frame_cap_ind = psr_context->psrFrameCaptureIndicationReq; copy_settings_data->init_sdp_deadline = psr_context->sdpTransmitLineNumDeadline; copy_settings_data->debug.u32All = 0; - copy_settings_data->debug.bitfields.visual_confirm = dc->dc->debug.visual_confirm == VISUAL_CONFIRM_PSR ? - true : false; + copy_settings_data->debug.bitfields.visual_confirm = dc->dc->debug.visual_confirm == VISUAL_CONFIRM_PSR; copy_settings_data->debug.bitfields.use_hw_lock_mgr = 1; dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); |