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From: Jani Nikula <jani.nikula@linux.intel.com>
To: Anshuman Gupta <anshuman.gupta@intel.com>,
	dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org
Cc: Sean Paul <seanpaul@chromium.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	Maxime Ripard <mripard@kernel.org>
Subject: Re: [Intel-gfx] [RFC] drm/hdcp: Max MST content streams
Date: Tue, 20 Oct 2020 12:42:05 +0300	[thread overview]
Message-ID: <8736299qtu.fsf@intel.com> (raw)
In-Reply-To: <20201019071259.24566-1-anshuman.gupta@intel.com>

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))

-- 
Jani Nikula, Intel Open Source Graphics Center
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

WARNING: multiple messages have this Message-ID (diff)
From: Jani Nikula <jani.nikula@linux.intel.com>
To: Anshuman Gupta <anshuman.gupta@intel.com>,
	dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org
Cc: Sean Paul <seanpaul@chromium.org>,
	Thomas Zimmermann <tzimmermann@suse.de>
Subject: Re: [Intel-gfx] [RFC] drm/hdcp: Max MST content streams
Date: Tue, 20 Oct 2020 12:42:05 +0300	[thread overview]
Message-ID: <8736299qtu.fsf@intel.com> (raw)
In-Reply-To: <20201019071259.24566-1-anshuman.gupta@intel.com>

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))

-- 
Jani Nikula, Intel Open Source Graphics Center
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

  parent reply	other threads:[~2020-10-20  9:42 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-19  7:12 [Intel-gfx] [RFC] drm/hdcp: Max MST content streams Anshuman Gupta
2020-10-19  7:12 ` Anshuman Gupta
2020-10-19  8:14 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
2020-10-19  9:45 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2020-10-20  9:42 ` Jani Nikula [this message]
2020-10-20  9:42   ` [Intel-gfx] [RFC] " Jani Nikula
2020-10-20  9:47   ` Maarten Lankhorst
2020-10-20  9:47     ` Maarten Lankhorst
2020-10-20 10:17     ` Jani Nikula
2020-10-20 10:17       ` Jani Nikula

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