On Tue, Jan 25, 2022 at 07:03:41PM +0200, Jani Nikula wrote:
> Add some of the new additions from DP 2.0 E11.
>
> Cc: Uma Shankar <uma.shankar@xxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> include/drm/dp/drm_dp_helper.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/include/drm/dp/drm_dp_helper.h b/include/drm/dp/drm_dp_helper.h
> index c499d735b992..69487bd8ed56 100644
> --- a/include/drm/dp/drm_dp_helper.h
> +++ b/include/drm/dp/drm_dp_helper.h
> @@ -560,6 +560,7 @@ struct drm_panel;
> # define DP_TRAINING_PATTERN_DISABLE 0
> # define DP_TRAINING_PATTERN_1 1
> # define DP_TRAINING_PATTERN_2 2
> +# define DP_TRAINING_PATTERN_2_CDS 3 /* 2.0 E11 */
> # define DP_TRAINING_PATTERN_3 3 /* 1.2 */
> # define DP_TRAINING_PATTERN_4 7 /* 1.4 */
> # define DP_TRAINING_PATTERN_MASK 0x3
> @@ -1350,6 +1351,7 @@ struct drm_panel;
> # define DP_PHY_REPEATER_128B132B_SUPPORTED (1 << 0)
> /* See DP_128B132B_SUPPORTED_LINK_RATES for values */
> #define DP_PHY_REPEATER_128B132B_RATES 0xf0007 /* 2.0 */
> +#define DP_PHY_REPEATER_EQ_DONE 0xf0008 /* 2.0 E11 */
Wonder if we should look at that at some point? The spec doesn't really
say so. Or maybe we should just dump it out of the link training failed?
>
> enum drm_dp_phy {
> DP_PHY_DPRX,
> --
> 2.30.2
--
Ville Syrjälä
Intel
