On Wed, 2017-11-08 at 21:54 +0200, Ville Syrjälä wrote:
> On Mon, Nov 06, 2017 at 03:29:45PM +0200, Mika Kahola wrote:
> >
> > To make looping through transcoders in intel_ddi.c more generic,
> > let's switch
> > to use 'for_each_pipe()' macro to do this.
> >
> > v2: Add a notion that we are dealing with transcoders instead of
> > pipes (Jani)
> >
> > Signed-off-by: Mika Kahola <mika.kah...@intel.com>
> > ---
> > drivers/gpu/drm/i915/intel_ddi.c | 11 +++++++----
> > 1 file changed, 7 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_ddi.c
> > b/drivers/gpu/drm/i915/intel_ddi.c
> > index ace674c..5e83785 100644
> > --- a/drivers/gpu/drm/i915/intel_ddi.c
> > +++ b/drivers/gpu/drm/i915/intel_ddi.c
> > @@ -1681,8 +1681,9 @@ bool intel_ddi_get_hw_state(struct
> > intel_encoder *encoder,
> > struct drm_device *dev = encoder->base.dev;
> > struct drm_i915_private *dev_priv = to_i915(dev);
> > enum port port = encoder->port;
> > + enum pipe p;
> > + enum transcoder cpu_transcoder;
> cpu_transcoder isn't needed outside the loop. So we can tighten the
> scope a bit.
Thanks for the review! I'll make the change and respin it for CI.
>
> With that
> Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> >
> > u32 tmp;
> > - int i;
> > bool ret;
> >
> > if (!intel_display_power_get_if_enabled(dev_priv,
> > @@ -1717,15 +1718,17 @@ bool intel_ddi_get_hw_state(struct
> > intel_encoder *encoder,
> > goto out;
> > }
> >
> > - for (i = TRANSCODER_A; i <= TRANSCODER_C; i++) {
> > - tmp = I915_READ(TRANS_DDI_FUNC_CTL(i));
> > + for_each_pipe(dev_priv, p) {
> > + cpu_transcoder = (enum transcoder) p;
> > +
> > + tmp =
> > I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
> >
> > if ((tmp & TRANS_DDI_PORT_MASK) ==
> > TRANS_DDI_SELECT_PORT(port)) {
> > if ((tmp & TRANS_DDI_MODE_SELECT_MASK) ==
> > TRANS_DDI_MODE_SELECT_DP_MST)
> > goto out;
> >
> > - *pipe = i;
> > + *pipe = p;
> > ret = true;
> >
> > goto out;
> > --
> > 2.7.4
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Mika Kahola - Intel OTC
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