On Thu, 11 Apr 2013, Ville Syrjälä <ville.syrj...@linux.intel.com> wrote:
> On Thu, Apr 11, 2013 at 04:29:10PM +0200, Daniel Vetter wrote:
>> We can only enable the pfit if the pipe. Ensure that this is obied
^^^^^
"obeyed" or something?
Jani.
> ^
>
> "is disabled" or something?
>
>> with a neat assert.
>>
>> Also check whether the pfit is off before enabling it - if not we've
>> lost track of things somewhere since the pfit is only ever used by the
>> lvds output.
>>
>> Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
>> ---
>> drivers/gpu/drm/i915/intel_lvds.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_lvds.c
>> b/drivers/gpu/drm/i915/intel_lvds.c
>> index ca2d903..1ff981f 100644
>> --- a/drivers/gpu/drm/i915/intel_lvds.c
>> +++ b/drivers/gpu/drm/i915/intel_lvds.c
>> @@ -159,6 +159,9 @@ static void intel_pre_enable_lvds(struct intel_encoder
>> *encoder)
>> if (HAS_PCH_SPLIT(dev) || !enc->pfit_control)
>> return;
>>
>> + WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE);
>> + assert_pipe_disabled(dev_priv, to_intel_crtc(encoder->base.crtc)->pipe);
>> +
>> /*
>> * Enable automatic panel scaling so that non-native modes
>> * fill the screen. The panel fitter should only be
>> --
>> 1.7.10.4
>>
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx@lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
> --
> Ville Syrjälä
> Intel OTC
> _______________________________________________
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> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
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