On Wed, 2014-04-16 at 18:08 -0300, Rodrigo Vivi wrote:
> Well, first of all I couldn't find the regs definitions. I decided to
> do this review during fly but I didn't had this regs definitions on
> VLV docs I have here with me. Could you please point me to the correct
> docs?
These regs are defined in the Gunit register HAS, I'll send you in
private the details.
> Anyway this patch isn't really modifying any behaviour. So I would
> tend to let my Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> here
> anyway. Considering that the original author of changes plus the first
> reviewer already agreed with you.
Note that there is already a v2 of this patchset, so please review that
one.
--Imre
> On Tue, Apr 8, 2014 at 1:57 PM, Imre Deak <imre.deak@xxxxxxxxx> wrote:
> > These will be needed by the upcoming VLV RPM helpers.
> >
> > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/i915_gem.c | 5 +++--
> > drivers/gpu/drm/i915/i915_reg.h | 10 ++++++++--
> > 2 files changed, 11 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> > index 6370a76..d000d0f 100644
> > --- a/drivers/gpu/drm/i915/i915_gem.c
> > +++ b/drivers/gpu/drm/i915/i915_gem.c
> > @@ -4458,8 +4458,9 @@ int i915_gem_init(struct drm_device *dev)
> >
> > if (IS_VALLEYVIEW(dev)) {
> > /* VLVA0 (potential hack), BIOS isn't actually waking us */
> > - I915_WRITE(VLV_GTLC_WAKE_CTRL, 1);
> > - if (wait_for((I915_READ(VLV_GTLC_PW_STATUS) & 1) == 1, 10))
> > + I915_WRITE(VLV_GTLC_WAKE_CTRL, VLV_GTLC_ALLOWWAKEREQ);
> > + if (wait_for((I915_READ(VLV_GTLC_PW_STATUS) &
> > + VLV_GTLC_ALLOWWAKEACK), 10))
> > DRM_DEBUG_DRIVER("allow wake ack timed out\n");
> > }
> >
> > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> > index 8e60737..0997da3 100644
> > --- a/drivers/gpu/drm/i915/i915_reg.h
> > +++ b/drivers/gpu/drm/i915/i915_reg.h
> > @@ -4985,9 +4985,15 @@ enum punit_power_well {
> > #define FORCEWAKE_ACK_HSW 0x130044
> > #define FORCEWAKE_ACK 0x130090
> > #define VLV_GTLC_WAKE_CTRL 0x130090
> > +#define VLV_GTLC_RENDER_CTX_EXISTS (1 << 25)
> > +#define VLV_GTLC_MEDIA_CTX_EXISTS (1 << 24)
> > +#define VLV_GTLC_ALLOWWAKEREQ (1 << 0)
> > +
> > #define VLV_GTLC_PW_STATUS 0x130094
> > -#define VLV_GTLC_PW_RENDER_STATUS_MASK 0x80
> > -#define VLV_GTLC_PW_MEDIA_STATUS_MASK 0x20
> > +#define VLV_GTLC_ALLOWWAKEACK (1 << 0)
> > +#define VLV_GTLC_ALLOWWAKEERR (1 << 1)
> > +#define VLV_GTLC_PW_MEDIA_STATUS_MASK (1 << 5)
> > +#define VLV_GTLC_PW_RENDER_STATUS_MASK (1 << 7)
> > #define FORCEWAKE_MT 0xa188 /* multi-threaded */
> > #define FORCEWAKE_KERNEL 0x1
> > #define FORCEWAKE_USER 0x2
> > --
> > 1.8.4
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
>
>
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