On 12/9/22 17:00, Sung Joon Kim wrote:
> The missing DPCD defintions from DP2.0 spec is as follows:
>
> DOWNSPREAD_CTRL (107h):
> FIXED_VTOTAL_AS_SDP_EN_IN_PR_ACTIVE (bit 6)
> For sink devices that support Adaptive-Sync operation
> and Panel Replay
>
> DPRX_FEATURE_ENUMERATION_LIST_CONT_1 (2214h):
> ADAPTIVE_SYNC_SDP_SUPPORTED (bit 0)
> Bit to check sink device has Adaptive-Sync capability
> AS_SDP_FIRST_HALF_LINE_OR_3840_PIXEL_CYCLE_WINDOW_NOT_SUPPORTED (bit 1)
> A sink device that clears this bit will generate VSync pulse
> leading edge of the HDMI output on the line count at which
> Adaptive-Sync SDP is received as long as source device transmits
> Adaptive-Sync SDP either in first line or first 3840 pixel
> cycles
> of the line whichever occurs first.
> VSC_EXT_SDP_FRAMEWORK_VERSION_1_SUPPORTED (bit 4)
> Bit to check sink device has SDP framework version 1 capability
You're missing your Signed-off-by. Make sure to add it before pushing.
With that fixed this is:
Reviewed-by: Harry Wentland <harry.wentl...@amd.com>
Harry
> ---
> include/drm/display/drm_dp.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
> index 4d0abe4c7ea9..1bd6f9af0b46 100644
> --- a/include/drm/display/drm_dp.h
> +++ b/include/drm/display/drm_dp.h
> @@ -603,6 +603,7 @@
>
> #define DP_DOWNSPREAD_CTRL 0x107
> # define DP_SPREAD_AMP_0_5 (1 << 4)
> +# define DP_FIXED_VTOTAL_AS_SDP_EN_IN_PR_ACTIVE (1 << 6)
> # define DP_MSA_TIMING_PAR_IGNORE_EN (1 << 7) /* eDP */
>
> #define DP_MAIN_LINK_CHANNEL_CODING_SET 0x108
> @@ -1105,6 +1106,11 @@
> # define DP_VSC_EXT_CEA_SDP_SUPPORTED (1 << 6) /* DP
> 1.4 */
> # define DP_VSC_EXT_CEA_SDP_CHAINING_SUPPORTED (1 << 7) /* DP
> 1.4 */
>
> +#define DP_DPRX_FEATURE_ENUMERATION_LIST_CONT_1 0x2214 /* 2.0 E11 */
> +# define DP_ADAPTIVE_SYNC_SDP_SUPPORTED (1 << 0)
> +# define DP_AS_SDP_FIRST_HALF_LINE_OR_3840_PIXEL_CYCLE_WINDOW_NOT_SUPPORTED
> (1 << 1)
> +# define DP_VSC_EXT_SDP_FRAMEWORK_VERSION_1_SUPPORTED (1 << 4)
> +
> #define DP_128B132B_SUPPORTED_LINK_RATES 0x2215 /* 2.0 */
> # define DP_UHBR10 (1 << 0)
> # define DP_UHBR20 (1 << 1)
