[Intel-gfx] [PATCH 4/4] drm/i915: hsw backlight registers need transcoder instead of pipe
Daniel Vetter
daniel at ffwll.ch
Thu Apr 25 15:34:26 CEST 2013
On Thu, Apr 25, 2013 at 04:14:23PM +0300, Imre Deak wrote:
> On Fri, 2013-04-12 at 15:18 +0300, Jani Nikula wrote:
> > Signed-off-by: Jani Nikula <jani.nikula at intel.com>
> > ---
> > drivers/gpu/drm/i915/intel_panel.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
> > index 5d3e9d7..0362f5c 100644
> > --- a/drivers/gpu/drm/i915/intel_panel.c
> > +++ b/drivers/gpu/drm/i915/intel_panel.c
> > @@ -344,6 +344,8 @@ void intel_panel_enable_backlight(struct drm_device *dev,
> > enum pipe pipe)
> > {
> > struct drm_i915_private *dev_priv = dev->dev_private;
> > + enum transcoder cpu_transcoder =
> > + intel_pipe_to_cpu_transcoder(dev_priv, pipe);
> > unsigned long flags;
> >
> > spin_lock_irqsave(&dev_priv->backlight.lock, flags);
> > @@ -374,7 +376,7 @@ void intel_panel_enable_backlight(struct drm_device *dev,
> > else
> > tmp &= ~BLM_PIPE_SELECT;
> >
> > - tmp |= BLM_PIPE(pipe);
> > + tmp |= BLM_PIPE(cpu_transcoder);
>
> Imo BLM_PIPE would be clearer checking for TRANSCODER_EDP explicitly,
> but the code works anyway, so:
> Reviewed-by: Imre Deak <imre.deak at intel.com>
Atm all the difference between pipe and cpu_transcoder is about transcoder
edp. So this feels explicit enough for me.
Queued for -next, thanks for the patch.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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