| Message ID | 20201027164208.10026-12-anshuman.gupta@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | HDCP 2.2 and HDCP 1.4 Gen12 DP MST support | expand |
On 2020-10-27 at 22:12:03 +0530, Anshuman Gupta wrote: > Let's define Maximum MST content streams up to four > generically which can be supported by modern display > controllers. > > Cc: Sean Paul <seanpaul@chromium.org> > Cc: Ramalingam C <ramalingam.c@intel.com> > Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> > Reviewed-by: Uma Shankar <uma.shankar@intel.com> > Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com> > --- > include/drm/drm_hdcp.h | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h > index fe58dbb46962..ac22c246542a 100644 > --- a/include/drm/drm_hdcp.h > +++ b/include/drm/drm_hdcp.h > @@ -101,11 +101,11 @@ > > /* Following Macros take a byte at a time for bit(s) masking */ > /* > - * TODO: This has to be changed for DP MST, as multiple stream on > - * same port is possible. > - * For HDCP2.2 on HDMI and DP SST this value is always 1. > + * TODO: HDCP_2_2_MAX_CONTENT_STREAMS_CNT is based upon actual > + * H/W MST streams capacity. > + * This required to be moved out to platform specific header. > */ > -#define HDCP_2_2_MAX_CONTENT_STREAMS_CNT 1 > +#define HDCP_2_2_MAX_CONTENT_STREAMS_CNT 4 Reviewed-by: Ramalingam C <ramalingam.c@intel.com> > #define HDCP_2_2_TXCAP_MASK_LEN 2 > #define HDCP_2_2_RXCAPS_LEN 3 > #define HDCP_2_2_RX_REPEATER(x) ((x) & BIT(0)) > -- > 2.26.2 >
diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h index fe58dbb46962..ac22c246542a 100644 --- a/include/drm/drm_hdcp.h +++ b/include/drm/drm_hdcp.h @@ -101,11 +101,11 @@ /* Following Macros take a byte at a time for bit(s) masking */ /* - * TODO: This has to be changed for DP MST, as multiple stream on - * same port is possible. - * For HDCP2.2 on HDMI and DP SST this value is always 1. + * TODO: HDCP_2_2_MAX_CONTENT_STREAMS_CNT is based upon actual + * H/W MST streams capacity. + * This required to be moved out to platform specific header. */ -#define HDCP_2_2_MAX_CONTENT_STREAMS_CNT 1 +#define HDCP_2_2_MAX_CONTENT_STREAMS_CNT 4 #define HDCP_2_2_TXCAP_MASK_LEN 2 #define HDCP_2_2_RXCAPS_LEN 3 #define HDCP_2_2_RX_REPEATER(x) ((x) & BIT(0))