On Thu, Apr 05, 2018 at 04:04:14AM +0530, Ramalingam C wrote:
>
>
> On Thursday 05 April 2018 12:53 AM, Sean Paul wrote:
> > On Wed, Apr 04, 2018 at 12:07:41PM -0700, Rodrigo Vivi wrote:
> > > On Wed, Apr 04, 2018 at 11:57:42PM +0530, Ramalingam C wrote:
> > > > In both HDMI and DP, device count is represented by 6:0 bits of a
> > > > register(BInfo/Bstatus)
> > > >
> > > > So macro for bitmasking the device_count is fixed(0x3F->0x7F).
> > > >
> > > > v3:
> > > > Retained the Rb-ed.
> > > > v4:
> > > > %s/drm\/i915/drm [rodrigo]
> > > >
> > > Shouldn't this patch have a "Fixes:" ?
> > Yes, I think that'd be good.
> Will add
> Fixes: 495eb7f877ab drm: Add some HDCP related #defines
> >
> > > cc: stable?
> > It couldn't hurt.
> Sorry what is needed here?
nothing actually...
$ dim fixes 495eb7f877ab3
Fixes: 495eb7f877ab ("drm: Add some HDCP related #defines")
Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Ramalingam C <ramalingm.c@xxxxxxxxx>
Cc: Sean Paul <seanpaul@xxxxxxxxxxxx>
Cc: Gustavo Padovan <gustavo@xxxxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
CC: Stable wasn't returned here so it is not needed.
> >
> > > I pushed first 3 patches on the series to dinq.
> > > I believe this one here could be there with Dave's ack or
> > > maybe on drm-misc-fixes?
> > Meh. The severity of this isn't too big, given that I doubt people care _too_
> > much about plugging in more than 64 HDCP-enabled devices. If you want to drop it
> > in -misc-next-fixes, I can send it out next week.
> >
> > While we're asking for a respin, could we add HDCP somewhere in the subject?
> will change the sub to
> drm: Fix HDCP downstream dev count read
>
> --Ram
> >
> > Sean
> >
> > > > Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
> > > > cc: Sean Paul <seanpaul@xxxxxxxxxxxx>
> > > > Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
> > > > ---
> > > > include/drm/drm_hdcp.h | 2 +-
> > > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > > >
> > > > diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h
> > > > index 562fa7df2637..98e63d870139 100644
> > > > --- a/include/drm/drm_hdcp.h
> > > > +++ b/include/drm/drm_hdcp.h
> > > > @@ -19,7 +19,7 @@
> > > > #define DRM_HDCP_RI_LEN 2
> > > > #define DRM_HDCP_V_PRIME_PART_LEN 4
> > > > #define DRM_HDCP_V_PRIME_NUM_PARTS 5
> > > > -#define DRM_HDCP_NUM_DOWNSTREAM(x) (x & 0x3f)
> > > > +#define DRM_HDCP_NUM_DOWNSTREAM(x) (x & 0x7f)
> > > > #define DRM_HDCP_MAX_CASCADE_EXCEEDED(x) (x & BIT(3))
> > > > #define DRM_HDCP_MAX_DEVICE_EXCEEDED(x) (x & BIT(7))
> > > > --
> > > > 2.7.4
> > > >
>
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