| Message ID | 1522332548-15370-5-git-send-email-ramalingam.c@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Mar 29, 2018 at 07:39:08PM +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). > Reviewed-by: Sean Paul <seanpaul@chromium.org> > Signed-off-by: Ramalingam C <ramalingam.c@intel.com> > cc: Sean Paul <seanpaul@chromium.org> > --- > 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 >
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))
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). Signed-off-by: Ramalingam C <ramalingam.c@intel.com> cc: Sean Paul <seanpaul@chromium.org> --- include/drm/drm_hdcp.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)