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

[Nanley Chery]

On Wed, Sep 06, 2017 at 12:32:15PM -0700, Rodrigo Vivi wrote:
> On Wed, Sep 6, 2017 at 12:16 PM, Rodrigo Vivi <rodrigo.vivi at gmail.com> wrote:
> > On Wed, Sep 6, 2017 at 11:26 AM, Nanley Chery <nanleychery at gmail.com> 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 at intel.com>
> >>>
> >>> 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.
> 

Great. Thanks again!

> >>
> >>> >
> >>> > 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 at intel.com>
> >>> > Signed-off-by: Nanley Chery <nanley.g.chery at intel.com>
> >>> > ---
> >>> >  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 at intel.com>
> >>>
> >>
> >> 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,
> >>>
> >> _______________________________________________
> >> Intel-gfx mailing list
> >> Intel-gfx at lists.freedesktop.org
> >> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> >
> >
> >
> > --
> > Rodrigo Vivi
> > Blog: http://blog.vivi.eng.br
> 
> 
> 
> -- 
> Rodrigo Vivi
> Blog: http://blog.vivi.eng.br