Message ID | 20201019071259.24566-1-anshuman.gupta@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [RFC] drm/hdcp: Max MST content streams | expand |
On Mon, 19 Oct 2020, Anshuman Gupta <anshuman.gupta@intel.com> 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> > Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com> Hey drm-misc maintainers, I'd like to get an ack to merge this via drm-intel as part of [1]. Thanks, Jani. [1] http://lore.kernel.org/r/20201014045252.13608-1-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 > #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))
Op 20-10-2020 om 11:42 schreef Jani Nikula: > On Mon, 19 Oct 2020, Anshuman Gupta <anshuman.gupta@intel.com> 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> >> Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com> > Hey drm-misc maintainers, > > I'd like to get an ack to merge this via drm-intel as part of [1]. > > Thanks, > Jani. > > > > [1] http://lore.kernel.org/r/20201014045252.13608-1-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 >> #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)) Well since it's such a small change.. Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
On Tue, 20 Oct 2020, Maarten Lankhorst <maarten.lankhorst@linux.intel.com> wrote: > Op 20-10-2020 om 11:42 schreef Jani Nikula: >> On Mon, 19 Oct 2020, Anshuman Gupta <anshuman.gupta@intel.com> 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> >>> Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com> >> Hey drm-misc maintainers, >> >> I'd like to get an ack to merge this via drm-intel as part of [1]. >> >> Thanks, >> Jani. >> >> >> >> [1] http://lore.kernel.org/r/20201014045252.13608-1-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 >>> #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)) > > Well since it's such a small change.. > > Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Thanks. BR, Jani.
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))
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> Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com> --- include/drm/drm_hdcp.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)