On Thu, 17 Sep 2015, Imre Deak <imre.d...@intel.com> wrote:
> On to, 2015-09-17 at 14:20 +0100, Damien Lespiau wrote:
>> Not the first time! not the last time?
>>
>> There is a possibility to use gcc 5's -Wbool-compare to try and compare
>> (reg) in those macros to a constant and gcc will warn that the
>> comparison between a boolean expression and a constant is always either
>> true or false. Maybe.
>>
>> Cc: Imre Deak <imre.d...@intel.com>
>> Signed-off-by: Damien Lespiau <damien.lesp...@intel.com>
>
> Errrr. Thanks for catching it:
> Reviewed-by: Imre Deak <imre.d...@intel.com>
Pushed to drm-intel-next-queued, thanks for the patch and review.
BR,
Jani.
>
>> ---
>> drivers/gpu/drm/i915/intel_ddi.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_ddi.c
>> b/drivers/gpu/drm/i915/intel_ddi.c
>> index 4823184..5b600bf 100644
>> --- a/drivers/gpu/drm/i915/intel_ddi.c
>> +++ b/drivers/gpu/drm/i915/intel_ddi.c
>> @@ -2882,7 +2882,7 @@ static bool bxt_ddi_pll_get_hw_state(struct
>> drm_i915_private *dev_priv,
>> * here just read out lanes 0/1 and output a note if lanes 2/3 differ.
>> */
>> hw_state->pcsdw12 = I915_READ(BXT_PORT_PCS_DW12_LN01(port));
>> - if (I915_READ(BXT_PORT_PCS_DW12_LN23(port) != hw_state->pcsdw12))
>> + if (I915_READ(BXT_PORT_PCS_DW12_LN23(port)) != hw_state->pcsdw12)
>> DRM_DEBUG_DRIVER("lane stagger config different for lane 01
>> (%08x) and 23 (%08x)\n",
>> hw_state->pcsdw12,
>> I915_READ(BXT_PORT_PCS_DW12_LN23(port)));
>
>
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--
Jani Nikula, Intel Open Source Technology Center
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