diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.c b/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.c index fc7a7d4ebca5..bb526ad326e5 100644 --- a/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.c +++ b/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.c @@ -55,6 +55,8 @@ enum { #define FROM_ENGINE(ptr) \ container_of((ptr), struct aux_engine, base) +#define DC_LOGGER \ + engine->base.ctx->logger enum i2caux_engine_type dal_aux_engine_get_engine_type( const struct engine *engine) @@ -126,20 +128,8 @@ static void process_read_reply( ctx->status = I2CAUX_TRANSACTION_STATUS_FAILED_PROTOCOL_ERROR; ctx->operation_succeeded = false; - } else if (ctx->returned_byte < ctx->current_read_length) { - ctx->current_read_length -= ctx->returned_byte; - - ctx->offset += ctx->returned_byte; - - ++ctx->invalid_reply_retry_aux_on_ack; - - if (ctx->invalid_reply_retry_aux_on_ack > - AUX_INVALID_REPLY_RETRY_COUNTER) { - ctx->status = - I2CAUX_TRANSACTION_STATUS_FAILED_PROTOCOL_ERROR; - ctx->operation_succeeded = false; - } } else { + ctx->current_read_length = ctx->returned_byte; ctx->status = I2CAUX_TRANSACTION_STATUS_SUCCEEDED; ctx->transaction_complete = true; ctx->operation_succeeded = true; @@ -284,6 +274,15 @@ static bool read_command( msleep(engine->delay); } while (ctx.operation_succeeded && !ctx.transaction_complete); + if (request->payload.address_space == + I2CAUX_TRANSACTION_ADDRESS_SPACE_DPCD) { + DC_LOG_I2C_AUX("READ: addr:0x%x value:0x%x Result:%d", + request->payload.address, + request->payload.data[0], + ctx.operation_succeeded); + } + + request->payload.length = ctx.reply.length; return ctx.operation_succeeded; } @@ -484,6 +483,14 @@ static bool write_command( msleep(engine->delay); } while (ctx.operation_succeeded && !ctx.transaction_complete); + if (request->payload.address_space == + I2CAUX_TRANSACTION_ADDRESS_SPACE_DPCD) { + DC_LOG_I2C_AUX("WRITE: addr:0x%x value:0x%x Result:%d", + request->payload.address, + request->payload.data[0], + ctx.operation_succeeded); + } + return ctx.operation_succeeded; } |