[Intel-gfx] [PATCH v2 1/8] drm/dp: Add defines for DP SDP types
Rodrigo Vivi
rodrigo.vivi at gmail.com
Fri Aug 18 00:11:04 UTC 2017
On Fri, May 19, 2017 at 04:17:18PM +0300, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Add defines for the secondary data packet (SDP) types from the spec.
> These are the DP specific ones, and in addition HDMI infoframe types
> (see enum hdmi_infoframe_type) are also valid SDP types.
>
> v2: Add more SDP types
>
> Cc: dri-devel at lists.freedesktop.org
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
> include/drm/drm_dp_helper.h | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index f7007e544f29..8db4513b9195 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -869,6 +869,17 @@ void drm_dp_link_train_channel_eq_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
> u8 drm_dp_link_rate_to_bw_code(int link_rate);
> int drm_dp_bw_code_to_link_rate(u8 link_bw);
>
> +#define DP_SDP_AUDIO_TIMESTAMP 0x01
> +#define DP_SDP_AUDIO_STREAM 0x02
> +#define DP_SDP_EXTENSION 0x04
> +#define DP_SDP_AUDIO_COPYMANAGEMENT 0x05
> +#define DP_SDP_ISRC 0x06
> +#define DP_SDP_VSC 0x07
> +#define DP_SDP_CAMERA_GENERIC(i) (0x08 + (i)) /* 0-7 */
> +#define DP_SDP_PPS 0x10
for a moment I couldn't find this and others below, so
I checked DP 1.4 instead of the DP 1.3 and could verify that.
maybe deserves a comment /* DP 1.4 */ ?
Anyways:
Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> +#define DP_SDP_VSC_EXT_VESA 0x20
> +#define DP_SDP_VSC_EXT_CEA 0x21
> +
> struct edp_sdp_header {
> u8 HB0; /* Secondary Data Packet ID */
> u8 HB1; /* Secondary Data Packet Type */
> --
> 2.10.2
>
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