On Thu, Sep 27, 2018 at 11:08 AM Nathan Chancellor
<natechancellor@xxxxxxxxx> wrote:
>
> On Thu, Sep 27, 2018 at 11:06:33AM -0700, Nathan Chancellor wrote:
> > Clang warns when one enumerated type is implicitly converted to another.
> >
> > drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_aux.c:315:19: warning:
> > implicit conversion from enumeration type 'enum
> > aux_channel_operation_result' to different enumeration type 'enum
> > aux_transaction_reply' [-Wenum-conversion]
> > reply->status = AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON;
> > ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > drivers/gpu/drm/amd/amdgpu/../display/dc/i2caux/dce110/aux_engine_dce110.c:349:19:
> > warning: implicit conversion from enumeration type 'enum
> > aux_channel_operation_result' to different enumeration type 'enum
> > aux_transaction_reply' [-Wenum-conversion]
> > reply->status = AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON;
> > ~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >
> > The current enum is incorrect, it should be from aux_transaction_reply,
> > so use AUX_TRANSACTION_REPLY_HPD_DISCON.
> >
> > Reported-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
> > Suggested-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
> > Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
> > ---
> >
> > v1 -> v2:
> >
> > * Rather than change status to an integer, use the proper enumerated
> > type from aux_transaction reply as suggested by Nick and confirmed
> > by Henry.
>
> Sigh Harry, sorry...
Thanks for the patch, Nathan. Don't worry about sending a v3 over
this; its below the commit line so this detail wont get committed.
>
> >
> > drivers/gpu/drm/amd/display/dc/dce/dce_aux.c | 2 +-
> > .../gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c | 2 +-
> > 2 files changed, 2 insertions(+), 2 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 3f5b2e6f7553..aaeb7faac0c4 100644
> > --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c
> > +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c
> > @@ -312,7 +312,7 @@ static void process_channel_reply(
> >
> > /* in case HPD is LOW, exit AUX transaction */
> > if ((sw_status & AUX_SW_STATUS__AUX_SW_HPD_DISCON_MASK)) {
> > - reply->status = AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON;
> > + reply->status = AUX_TRANSACTION_REPLY_HPD_DISCON;
> > return;
> > }
> >
> > diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c
> > index 8eee8ace1259..59c3ed43d609 100644
> > --- a/drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c
> > +++ b/drivers/gpu/drm/amd/display/dc/i2caux/dce110/aux_engine_dce110.c
> > @@ -346,7 +346,7 @@ static void process_channel_reply(
> >
> > /* in case HPD is LOW, exit AUX transaction */
> > if ((sw_status & AUX_SW_STATUS__AUX_SW_HPD_DISCON_MASK)) {
> > - reply->status = AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON;
> > + reply->status = AUX_TRANSACTION_REPLY_HPD_DISCON;
> > return;
> > }
> >
> > --
> > 2.19.0
> >
--
Thanks,
~Nick Desaulniers
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