[PATCH v3 21/22] drm/amdgpu: Provide ddc symlink in connector sysfs directory

[Alex Deucher]

On Thu, Jul 4, 2019 at 9:17 AM Andrzej Pietrasiewicz
<andrzej.p at collabora.com> wrote:
>
> W dniu 02.07.2019 o 22:54, Alex Deucher pisze:
> > On Fri, Jun 28, 2019 at 12:31 PM Andrzej Pietrasiewicz
> > <andrzej.p at collabora.com> wrote:
> >>
> >> Use the ddc pointer provided by the generic connector.
> >>
> >> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p at collabora.com>
> >> ---
> >>   .../gpu/drm/amd/amdgpu/amdgpu_connectors.c    | 70 ++++++++++++++-----
> >>   1 file changed, 51 insertions(+), 19 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
> >> index 73b2ede773d3..5f8a7e3818b9 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
> >> @@ -1573,11 +1573,15 @@ amdgpu_connector_add(struct amdgpu_device *adev,
> >>                          goto failed;
> >>                  amdgpu_connector->con_priv = amdgpu_dig_connector;
> >>                  if (i2c_bus->valid) {
> >> -                       amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
> >> -                       if (amdgpu_connector->ddc_bus)
> >> +                       struct amdgpu_connector *acn = amdgpu_connector;
> >> +
> >> +                       acn->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
> >> +                       if (acn->ddc_bus) {
> >
> > This hunk seems pointless unless I'm missing something.  Can you drop
> > this hunk?  Same comment on each instance of this below.  This also
> > only covers the legacy modesetting code which is not used by default
> > on most chips.  The DC code in amd/display/ is probably more relevant.
> >
>
> If I don't do that checkpatch reports that lines I created exceed 80 characters.

Don't worry about that.

Alex