Re: [PATCH] drm/i915/cnl: Allow the reg_read ioctl to read the RCS TIMESTAMP register

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On Wed, Sep 6, 2017 at 12:16 PM, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> wrote:
> On Wed, Sep 6, 2017 at 11:26 AM, Nanley Chery <nanleychery@xxxxxxxxx> wrote:
>> On Tue, Sep 05, 2017 at 07:04:44PM +0000, Vivi, Rodrigo wrote:
>>> On Tue, 2017-09-05 at 11:45 -0700, Nanley Chery wrote:
>>> > From: Ben Widawsky <benjamin.widawsky@xxxxxxxxx>
>>>
>>> Do we have a signed-off by him?
>>> Maybe go with you as author and suggested-by Ben?
>>>
>>
>> He's good with the second option. Should I send a v2?
>
> usually I'd say yes, but since I had patch here applied already I just
> changed it myself ;)
> But since CI had a hiccup on the initial attempt I'm sending to try
> bot before merging it.
>
> Since we don't have any gen10 on CI  and this change is really only
> changing behaviour
> of gen10 that failure was probably bogus, but I want to just double
> check here...
>

trybot is happy! merged to dinq. thanks for the patch.

>>
>>> >
>>> > This enables the Mesa driver to advertise support for ARB_timer_query, and
>>> > thus an OpenGL version higher than 3.2.
>>> >
>>>
>>> I tried to check if this patch should be a "Fixes:" for a previous one,
>>> but I didn't find anyone that this patch would fit. Just a forgotten
>>> case.
>>>
>>> > Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
>>> > Signed-off-by: Nanley Chery <nanley.g.chery@xxxxxxxxx>
>>> > ---
>>> >  drivers/gpu/drm/i915/intel_uncore.c | 2 +-
>>> >  1 file changed, 1 insertion(+), 1 deletion(-)
>>> >
>>> > diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
>>> > index 1d7b879cc68c..0529af7cfbb8 100644
>>> > --- a/drivers/gpu/drm/i915/intel_uncore.c
>>> > +++ b/drivers/gpu/drm/i915/intel_uncore.c
>>> > @@ -1251,7 +1251,7 @@ static const struct register_whitelist {
>>> >  } whitelist[] = {
>>> >     { .offset_ldw = RING_TIMESTAMP(RENDER_RING_BASE),
>>> >       .offset_udw = RING_TIMESTAMP_UDW(RENDER_RING_BASE),
>>> > -     .size = 8, .gen_bitmask = GEN_RANGE(4, 9) },
>>> > +     .size = 8, .gen_bitmask = GEN_RANGE(4, 10) },
>>>
>>> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
>>>
>>
>> Thanks!
>>
>>> I'd like to kill this GEN_RANGE since it is easy to forget when enabling
>>> a new platform. But this is topic for a different patch.
>>>
>>>
>>
>> Agreed.
>>
>>> >  };
>>> >
>>> >  int i915_reg_read_ioctl(struct drm_device *dev,
>>>
>> _______________________________________________
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>
>
>
> --
> Rodrigo Vivi
> Blog: http://blog.vivi.eng.br



-- 
Rodrigo Vivi
Blog: http://blog.vivi.eng.br
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