[PATCH] drm/amdgpu/display: fix wrong enum type for ddc_result

[Dominik Behr]

Aww, you are right. Let me redo it and do the spelling fix separately
because I cannot unsee it now.

On Fri, Feb 2, 2018 at 7:48 AM, Harry Wentland <harry.wentland at amd.com> wrote:
> On 2018-02-01 08:55 PM, dbehr at chromium.org wrote:
>> From: Dominik Behr <dbehr at chromium.org>
>>
>> v2: now with fixed result comparison and spelling fixes
>>
>> Signed-off-by: Dominik Behr <dbehr at chromium.org>
>> ---
>>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 2 +-
>>  drivers/gpu/drm/amd/display/dc/core/dc_link.c               | 2 +-
>>  drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c           | 4 ++--
>>  drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c            | 4 ++--
>>  drivers/gpu/drm/amd/display/include/ddc_service_types.h     | 2 +-
>>  5 files changed, 7 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
>> index 1e8a21b67df7..3b05900ccccd 100644
>> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
>> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
>> @@ -130,7 +130,7 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
>>                msg->address,
>>                msg->buffer,
>>                msg->size,
>> -              r == DDC_RESULT_SUCESSFULL);
>> +              r == DDC_RESULT_SUCCESSFUL);
>>  #endif
>>
>>       return msg->size;
>> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
>> index 0023754e034b..3abd0f1a287f 100644
>> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
>> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
>> @@ -1176,7 +1176,7 @@ static void dpcd_configure_panel_mode(
>>                               &edp_config_set.raw,
>>                               sizeof(edp_config_set.raw));
>>
>> -                     ASSERT(result == DDC_RESULT_SUCESSFULL);
>> +                     ASSERT(result == DDC_RESULT_SUCCESSFUL);
>>               }
>>       }
>>       dm_logger_write(link->ctx->logger, LOG_DETECTION_DP_CAPS,
>> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
>> index d5294798b0a5..6b69b339dba2 100644
>> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
>> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
>> @@ -661,7 +661,7 @@ enum ddc_result dal_ddc_service_read_dpcd_data(
>>               ddc->ctx->i2caux,
>>               ddc->ddc_pin,
>>               &command))
>> -             return DDC_RESULT_SUCESSFULL;
>> +             return DDC_RESULT_SUCCESSFUL;
>>
>>       return DDC_RESULT_FAILED_OPERATION;
>>  }
>> @@ -698,7 +698,7 @@ enum ddc_result dal_ddc_service_write_dpcd_data(
>>               ddc->ctx->i2caux,
>>               ddc->ddc_pin,
>>               &command))
>> -             return DDC_RESULT_SUCESSFULL;
>> +             return DDC_RESULT_SUCCESSFUL;
>>
>>       return DDC_RESULT_FAILED_OPERATION;
>>  }
>> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
>> index 33d91e4474ea..cc067d04505d 100644
>> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
>> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
>> @@ -1926,7 +1926,7 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd
>>  {
>>       union hpd_irq_data hpd_irq_dpcd_data = {{{{0}}}};
>>       union device_service_irq device_service_clear = { { 0 } };
>> -     enum dc_status result = DDC_RESULT_UNKNOWN;
>> +     enum ddc_result result = DDC_RESULT_UNKNOWN;
>
> Result gets the return value from read_hpd_rx_irq_data which is dc_status. This line should be
>
> enum dc_status result = DC_OK;
>
>>       bool status = false;
>>       /* For use cases related to down stream connection status change,
>>        * PSR and device auto test, refer to function handle_sst_hpd_irq
>> @@ -1946,7 +1946,7 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd
>>       if (out_hpd_irq_dpcd_data)
>>               *out_hpd_irq_dpcd_data = hpd_irq_dpcd_data;
>>
>> -     if (result != DC_OK) {
>> +     if (result != DDC_RESULT_SUCCESSFUL) {
>
> We should keep the result != DC_OK check here as read_hpd_rx_irq_data returns dc_status.
>
> Harry
>
>>               dm_logger_write(link->ctx->logger, LOG_HW_HPD_IRQ,
>>                       "%s: DPCD read failed to obtain irq data\n",
>>                       __func__);
>> diff --git a/drivers/gpu/drm/amd/display/include/ddc_service_types.h b/drivers/gpu/drm/amd/display/include/ddc_service_types.h
>> index 019e7a095ea1..f3bf749b3636 100644
>> --- a/drivers/gpu/drm/amd/display/include/ddc_service_types.h
>> +++ b/drivers/gpu/drm/amd/display/include/ddc_service_types.h
>> @@ -32,7 +32,7 @@
>>
>>  enum ddc_result {
>>       DDC_RESULT_UNKNOWN = 0,
>> -     DDC_RESULT_SUCESSFULL,
>> +     DDC_RESULT_SUCCESSFUL,
>>       DDC_RESULT_FAILED_CHANNEL_BUSY,
>>       DDC_RESULT_FAILED_TIMEOUT,
>>       DDC_RESULT_FAILED_PROTOCOL_ERROR,
>>