[Intel-gfx] [PATCH 03/25] drm/i915: re-order GT IIR bit definitions

Jesse Barnes jbarnes at virtuousgeek.org
Thu Mar 22 19:40:23 CET 2012


On Wed, 21 Mar 2012 18:10:36 -0700
Ben Widawsky <ben at bwidawsk.net> wrote:

> On Wed, 21 Mar 2012 12:48:24 -0700
> Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> 
> > They were all over the place, order them by position and add a few.
> > 
> > Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> > ---
> >  drivers/gpu/drm/i915/i915_reg.h |   20 ++++++++++++++------
> >  1 files changed, 14 insertions(+), 6 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> > index 52a06be..af5cd25 100644
> > --- a/drivers/gpu/drm/i915/i915_reg.h
> > +++ b/drivers/gpu/drm/i915/i915_reg.h
> > @@ -3063,18 +3063,26 @@
> >  #define DE_PIPEB_VBLANK_IVB		(1<<5)
> >  #define DE_PIPEA_VBLANK_IVB		(1<<0)
> >  
> > +#define MASTER_IER_VLV			0x4400c /* Gunit master IER */
> > +#define   MASTER_INTERRUPT_ENABLE	(1<<31)
> > +
> 
> Seems VLV_MASTER_IER would follow the convention.
> 
> >  #define DEISR   0x44000
> >  #define DEIMR   0x44004
> >  #define DEIIR   0x44008
> >  #define DEIER   0x4400c
> >  
> >  /* GT interrupt */
> > -#define GT_PIPE_NOTIFY		(1 << 4)
> > -#define GT_SYNC_STATUS          (1 << 2)
> > -#define GT_USER_INTERRUPT       (1 << 0)
> > -#define GT_BSD_USER_INTERRUPT   (1 << 5)
> > -#define GT_GEN6_BSD_USER_INTERRUPT	(1 << 12)
> > -#define GT_BLT_USER_INTERRUPT	(1 << 22)
> > +#define GT_BLT_FLUSHDW_NOTIFY_INTERRUPT		(1 << 26)
> > +#define GT_BLT_CS_ERROR_INTERRUPT		(1 << 25)
> > +#define GT_BLT_USER_INTERRUPT			(1 << 22)
> > +#define GT_BSD_CS_ERROR_INTERRUPT		(1 << 15)
> > +#define GT_GEN6_BSD_USER_INTERRUPT		(1 << 12)
> > +#define GT_BSD_USER_INTERRUPT			(1 << 5)
> > +#define GT_L3_PARITY_ERROR_INTERRUPT		(1 << 5) /* IVB+ */
> > +#define GT_PIPE_NOTIFY				(1 << 4)
> > +#define GT_RENDER_CS_ERROR_INTERRUPT		(1 << 3)
> > +#define GT_SYNC_STATUS				(1 << 2)
> > +#define GT_USER_INTERRUPT			(1 << 0)
> 
> What about GT_GEN7_L3_PARITY_ERROR_INTERRUPT?

Yeah it's gen7+ you're right.

> Similarly if GT_BLT_FLUSHDW_NOTIFY_INTERRUPT and
> GT_BLT_CS_ERROR_INTERRUPT only apply after a certain generation maybe
> add that info... I know this applies directly to your overall pitch to
> restructure things, but for now at least try to keep it consistent, and
> helpfully named (imho).

Docs aren't very helpful here; the ILK ones say they're the same but
I'm suspicious...

I'll gen6 the new ones though; we don't use them yet anyway.
-- 
Jesse Barnes, Intel Open Source Technology Center
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: not available
URL: <http://lists.freedesktop.org/archives/intel-gfx/attachments/20120322/988924fe/attachment.sig>


More information about the Intel-gfx mailing list