diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_aux.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_aux.c | 40 |
1 files changed, 22 insertions, 18 deletions
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 d51b5fe91287..87d57e81de12 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c @@ -31,6 +31,8 @@ #include "dce_aux.h" #include "dce/dce_11_0_sh_mask.h" #include "dm_event_log.h" +#include "dm_helpers.h" +#include "dmub/inc/dmub_cmd.h" #define CTX \ aux110->base.ctx @@ -324,7 +326,7 @@ static int read_channel_reply(struct dce_aux *engine, uint32_t size, return 0; } -static enum aux_channel_operation_result get_channel_status( +static enum aux_return_code_type get_channel_status( struct dce_aux *engine, uint8_t *returned_bytes) { @@ -335,7 +337,7 @@ static enum aux_channel_operation_result get_channel_status( if (returned_bytes == NULL) { /*caller pass NULL pointer*/ ASSERT_CRITICAL(false); - return AUX_CHANNEL_OPERATION_FAILED_REASON_UNKNOWN; + return AUX_RET_ERROR_UNKNOWN; } *returned_bytes = 0; @@ -346,7 +348,7 @@ static enum aux_channel_operation_result get_channel_status( 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; + return AUX_RET_ERROR_HPD_DISCON; /* Note that the following bits are set in 'status.bits' * during CTS 4.2.1.2 (FW 3.3.1): @@ -359,14 +361,14 @@ static enum aux_channel_operation_result get_channel_status( if (value & AUX_SW_STATUS__AUX_SW_DONE_MASK) { if ((value & AUX_SW_STATUS__AUX_SW_RX_TIMEOUT_STATE_MASK) || (value & AUX_SW_STATUS__AUX_SW_RX_TIMEOUT_MASK)) - return AUX_CHANNEL_OPERATION_FAILED_TIMEOUT; + return AUX_RET_ERROR_TIMEOUT; else if ((value & AUX_SW_STATUS__AUX_SW_RX_INVALID_STOP_MASK) || (value & AUX_SW_STATUS__AUX_SW_RX_RECV_NO_DET_MASK) || (value & AUX_SW_STATUS__AUX_SW_RX_RECV_INVALID_H_MASK) || (value & AUX_SW_STATUS__AUX_SW_RX_RECV_INVALID_L_MASK)) - return AUX_CHANNEL_OPERATION_FAILED_INVALID_REPLY; + return AUX_RET_ERROR_INVALID_REPLY; *returned_bytes = get_reg_field_value(value, AUX_SW_STATUS, @@ -374,17 +376,17 @@ static enum aux_channel_operation_result get_channel_status( if (*returned_bytes == 0) return - AUX_CHANNEL_OPERATION_FAILED_INVALID_REPLY; + AUX_RET_ERROR_INVALID_REPLY; else { *returned_bytes -= 1; - return AUX_CHANNEL_OPERATION_SUCCEEDED; + return AUX_RET_SUCCESS; } } else { /*time_elapsed >= aux_engine->timeout_period * AUX_SW_STATUS__AUX_SW_HPD_DISCON = at this point */ ASSERT_CRITICAL(false); - return AUX_CHANNEL_OPERATION_FAILED_TIMEOUT; + return AUX_RET_ERROR_TIMEOUT; } } @@ -541,7 +543,7 @@ static enum i2caux_transaction_action i2caux_action_from_payload(struct aux_payl int dce_aux_transfer_raw(struct ddc_service *ddc, struct aux_payload *payload, - enum aux_channel_operation_result *operation_result) + enum aux_return_code_type *operation_result) { struct ddc *ddc_pin = ddc->ddc_pin; struct dce_aux *aux_engine; @@ -556,7 +558,7 @@ int dce_aux_transfer_raw(struct ddc_service *ddc, aux_engine = ddc->ctx->dc->res_pool->engines[ddc_pin->pin_data->en]; if (!acquire(aux_engine, ddc_pin)) { - *operation_result = AUX_CHANNEL_OPERATION_FAILED_ENGINE_ACQUIRE; + *operation_result = AUX_RET_ERROR_ENGINE_ACQUIRE; return -1; } @@ -575,8 +577,9 @@ int dce_aux_transfer_raw(struct ddc_service *ddc, submit_channel_request(aux_engine, &aux_req); *operation_result = get_channel_status(aux_engine, &returned_bytes); - if (*operation_result == AUX_CHANNEL_OPERATION_SUCCEEDED) { + if (*operation_result == AUX_RET_SUCCESS) { int __maybe_unused bytes_replied = 0; + bytes_replied = read_channel_reply(aux_engine, payload->length, payload->data, payload->reply, &status); @@ -604,7 +607,7 @@ bool dce_aux_transfer_with_retries(struct ddc_service *ddc, int i, ret = 0; uint8_t reply; bool payload_reply = true; - enum aux_channel_operation_result operation_result; + enum aux_return_code_type operation_result; bool retry_on_defer = false; int aux_ack_retries = 0, @@ -620,8 +623,9 @@ bool dce_aux_transfer_with_retries(struct ddc_service *ddc, for (i = 0; i < AUX_MAX_RETRIES; i++) { ret = dce_aux_transfer_raw(ddc, payload, &operation_result); + switch (operation_result) { - case AUX_CHANNEL_OPERATION_SUCCEEDED: + case AUX_RET_SUCCESS: aux_timeout_retries = 0; aux_invalid_reply_retries = 0; @@ -667,14 +671,14 @@ bool dce_aux_transfer_with_retries(struct ddc_service *ddc, } break; - case AUX_CHANNEL_OPERATION_FAILED_INVALID_REPLY: + case AUX_RET_ERROR_INVALID_REPLY: if (++aux_invalid_reply_retries >= AUX_MAX_INVALID_REPLY_RETRIES) goto fail; else udelay(400); break; - case AUX_CHANNEL_OPERATION_FAILED_TIMEOUT: + case AUX_RET_ERROR_TIMEOUT: // Check whether a DEFER had occurred before the timeout. // If so, treat timeout as a DEFER. if (retry_on_defer) { @@ -696,9 +700,9 @@ bool dce_aux_transfer_with_retries(struct ddc_service *ddc, } break; - case AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON: - case AUX_CHANNEL_OPERATION_FAILED_ENGINE_ACQUIRE: - case AUX_CHANNEL_OPERATION_FAILED_REASON_UNKNOWN: + case AUX_RET_ERROR_HPD_DISCON: + case AUX_RET_ERROR_ENGINE_ACQUIRE: + case AUX_RET_ERROR_UNKNOWN: default: goto fail; } |