On Tue, 2016-11-22 at 21:09 +0530, Sharma, Shashank wrote:
> The reason why I kept the force function was, that during debug phase, I
> saw a need to change LSPCON mode.
>
> Also, in future, if we need to provide an IOCTL/control to userspace, to
> change lspcon mode, force may be required to differentiate the path from
> user/kernel space.
Not sure how that would work, but it's easy to add the parameter when
it's actually implemented. Until then it only makes reading the code
more difficult.
>
> But in any case: Reviewed-by: Shashank Sharma
>
>
> Regards
>
> Shashank
>
> On 11/22/2016 12:45 AM, Imre Deak wrote:
> > All callers asked for a forced change but the function ignored this
> > parameter. It doesn't seem to be necessary to force the change in any
> > case so let's just remove the parameter.
> >
> > Cc: Shashank Sharma <shashank.sharma@xxxxxxxxx>
> > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/intel_lspcon.c | 7 +++----
> > 1 file changed, 3 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_lspcon.c b/drivers/gpu/drm/i915/intel_lspcon.c
> > index 281127d..f6d4e69 100644
> > --- a/drivers/gpu/drm/i915/intel_lspcon.c
> > +++ b/drivers/gpu/drm/i915/intel_lspcon.c
> > @@ -87,7 +87,7 @@ static enum drm_lspcon_mode lspcon_wait_mode(struct intel_lspcon *lspcon,
> > }
> >
> > static int lspcon_change_mode(struct intel_lspcon *lspcon,
> > - enum drm_lspcon_mode mode, bool force)
> > + enum drm_lspcon_mode mode)
> > {
> > int err;
> > enum drm_lspcon_mode current_mode;
> > @@ -202,7 +202,7 @@ void lspcon_resume(struct intel_lspcon *lspcon)
> > if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
> > return;
> >
> > - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON, true))
> > + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))
> > DRM_ERROR("LSPCON resume failed\n");
> > else
> > DRM_DEBUG_KMS("LSPCON resume success\n");
> > @@ -239,8 +239,7 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
> > * 2.0 sinks.
> > */
> > if (lspcon->active && lspcon->mode != DRM_LSPCON_MODE_PCON) {
> > - if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON,
> > - true) < 0) {
> > + if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON) < 0) {
> > DRM_ERROR("LSPCON mode change to PCON failed\n");
> > return false;
> > }
>
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