[Intel-gfx] [PATCH 25/26] drm/i915/dp: don't use ILK paths on VLV

[Ville Syrjälä]

On Fri, Mar 08, 2013 at 04:12:23PM +0200, Jani Nikula wrote:
> On Sat, 02 Mar 2013, Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> > Fix up a couple of places where we messed with PCH bits on VLV.
> 
> I think there's at least a few more spots that need && !IS_VALLEYVIEW():
> 
> ---
> 	} else if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
> 		if (!HAS_PCH_SPLIT(dev))
> 			intel_dp->DP |= intel_dp->color_range;

The color_range stuff needs to be tested on real HW. IIRC the spec
shows color range bits in both PIPECONF and port register.
We need to to find out which one actually works.

> ---
> 		if (is_cpu_edp(intel_dp)) {
> 			/* don't miss out required setting for eDP */
> 			if (adjusted_mode->clock < 200000)
> 				intel_dp->DP |= DP_PLL_FREQ_160MHZ;
> 			else
> 				intel_dp->DP |= DP_PLL_FREQ_270MHZ;
> 		}
> ---
> 
> BR,
> Jani.
> 
> 
> >
> > Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> > ---
> >  drivers/gpu/drm/i915/intel_dp.c |    4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> > index 03340fd..05e1000 100644
> > --- a/drivers/gpu/drm/i915/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/intel_dp.c
> > @@ -976,7 +976,7 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
> >  		intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
> >  	}
> >  
> > -	if (is_cpu_edp(intel_dp))
> > +	if (is_cpu_edp(intel_dp) && !IS_VALLEYVIEW(dev))
> >  		ironlake_set_pll_edp(crtc, adjusted_mode->clock);
> >  }
> >  
> > @@ -1373,7 +1373,7 @@ static bool intel_dp_get_hw_state(struct intel_encoder *encoder,
> >  	if (!(tmp & DP_PORT_EN))
> >  		return false;
> >  
> > -	if (is_cpu_edp(intel_dp) && IS_GEN7(dev)) {
> > +	if (is_cpu_edp(intel_dp) && IS_GEN7(dev) && !IS_VALLEYVIEW(dev)) {
> >  		*pipe = PORT_TO_PIPE_CPT(tmp);
> >  	} else if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
> >  		*pipe = PORT_TO_PIPE(tmp);
> > -- 
> > 1.7.9.5
> >
> > _______________________________________________
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> > Intel-gfx at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
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-- 
Ville Syrjälä
Intel OTC