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From: Jani Nikula <jani.nikula@linux.intel.com>
To: Anshuman Gupta <anshuman.gupta@intel.com>,
	intel-gfx@lists.freedesktop.org
Cc: Tomas Winkler <tomas.winkler@intel.com>,
	seanpaul@chromium.org, dri-devel@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 09/13] drm/i915/hdcp: mst streams support in hdcp port_data
Date: Tue, 20 Oct 2020 11:31:37 +0300	[thread overview]
Message-ID: <878sc19u3a.fsf@intel.com> (raw)
In-Reply-To: <20201019102041.26178-1-anshuman.gupta@intel.com>

On Mon, 19 Oct 2020, Anshuman Gupta <anshuman.gupta@intel.com> wrote:
> Add support for multiple mst stream in hdcp port data
> which will be used by RepeaterAuthStreamManage msg and
> HDCP 2.2 security f/w for m' validation.
>
> v2:
> Init the hdcp port data k for HDMI/DP SST strem.
>
> Cc: Ramalingam C <ramalingam.c@intel.com>
> Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
> ---
>  .../drm/i915/display/intel_display_types.h    |  4 +-
>  drivers/gpu/drm/i915/display/intel_hdcp.c     | 92 ++++++++++++++++---
>  drivers/misc/mei/hdcp/mei_hdcp.c              |  3 +-
>  include/drm/drm_hdcp.h                        |  8 +-

...

> diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c
> index 9ae9669e46ea..b10d266fb60a 100644
> --- a/drivers/misc/mei/hdcp/mei_hdcp.c
> +++ b/drivers/misc/mei/hdcp/mei_hdcp.c
> @@ -569,8 +569,7 @@ static int mei_hdcp_verify_mprime(struct device *dev,
>  	verify_mprime_in->header.api_version = HDCP_API_VERSION;
>  	verify_mprime_in->header.command_id = WIRED_REPEATER_AUTH_STREAM_REQ;
>  	verify_mprime_in->header.status = ME_HDCP_STATUS_SUCCESS;
> -	verify_mprime_in->header.buffer_len =
> -			WIRED_CMD_BUF_LEN_REPEATER_AUTH_STREAM_REQ_MIN_IN;
> +	verify_mprime_in->header.buffer_len = cmd_size  - sizeof(struct hdcp_cmd_header);
>  
>  	verify_mprime_in->port.integrated_port_type = data->port_type;
>  	verify_mprime_in->port.physical_port = (u8)data->fw_ddi;
> diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h
> index fe58dbb46962..c8a37bb406b2 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: This is based upon actual H/W  MST streams capacity.
> + *
> + * This is should 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))

These two hunk should probably be separate changes... would be easier to
record the changes (as they're not mentioned in the commit message at
all!) and the acks from other maintainers.

Cc: Tomas.


BR,
Jani.


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

  reply	other threads:[~2020-10-20  8:31 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-14  4:52 [Intel-gfx] [PATCH 00/13] HDCP 2.2 DP MST Support Anshuman Gupta
2020-10-14  4:52 ` [Intel-gfx] [PATCH 01/13] drm/i915/hdcp: Update CP property in update_pipe Anshuman Gupta
2020-10-14  4:52 ` [Intel-gfx] [PATCH 02/13] drm/i915/hotplug: Handle CP_IRQ for DP-MST Anshuman Gupta
2020-10-14  4:52 ` [Intel-gfx] [PATCH 03/13] drm/i915/hdcp: DP MST transcoder for link and stream Anshuman Gupta
2020-10-14  4:52 ` [Intel-gfx] [PATCH 04/13] drm/i915/hdcp: Move HDCP enc status timeout to header Anshuman Gupta
2020-10-14  4:52 ` [Intel-gfx] [PATCH 05/13] drm/i915/hdcp: HDCP stream encryption support Anshuman Gupta
2020-10-14  4:52 ` [Intel-gfx] [PATCH 06/13] drm/i915/hdcp: Enable Gen12 HDCP 1.4 DP MST support Anshuman Gupta
2020-10-14  4:52 ` [Intel-gfx] [PATCH 07/13] drm/i915/hdcp: Pass dig_port to intel_hdcp_init Anshuman Gupta
2020-10-14  4:52 ` [Intel-gfx] [PATCH 08/13] drm/i915/hdcp: Encapsulate hdcp_port_data to dig_port Anshuman Gupta
2020-10-14  4:52 ` [Intel-gfx] [PATCH 09/13] drm/i915/hdcp: mst streams support in hdcp port_data Anshuman Gupta
2020-10-19 10:20   ` Anshuman Gupta
2020-10-20  8:31     ` Jani Nikula [this message]
2020-10-20  8:30       ` Anshuman Gupta
2020-10-20  9:39         ` Jani Nikula
2020-10-20  9:38           ` Anshuman Gupta
2020-10-20 10:18             ` Jani Nikula
2020-10-14  4:52 ` [Intel-gfx] [PATCH 10/13] drm/i915/hdcp: Pass connector to check_2_2_link Anshuman Gupta
2020-10-14  4:52 ` [Intel-gfx] [PATCH 11/13] drm/i915/hdcp: Add HDCP 2.2 stream register Anshuman Gupta
2020-10-14  4:52 ` [Intel-gfx] [PATCH 12/13] drm/i915/hdcp: Support for HDCP 2.2 MST shim callbacks Anshuman Gupta
2020-10-14  4:52 ` [Intel-gfx] [PATCH 13/13] drm/i915/hdcp: Enable HDCP 2.2 MST support Anshuman Gupta
2020-10-14  5:15 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for HDCP 2.2 DP MST Support (rev2) Patchwork
2020-10-14  5:16 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2020-10-14  5:45 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-10-14 16:03 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2020-10-19 11:10 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for HDCP 2.2 DP MST Support (rev3) Patchwork
2020-10-19 11:12 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2020-10-19 11:41 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork

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