Re: [Intel-gfx] [PATCH v3 1/9] drm/dp: add MSO related DPCD registers

Shankar, Uma
2021-02-22T05:25:20Z

> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@lists.freedesktop.org> On Behalf Of Jani Nikula
> Sent: Thursday, February 11, 2021 8:22 PM
> To: intel-gfx@lists.freedesktop.org
> Cc: Nikula, Jani <jani.nikula@intel.com>; Varide, Nischal
> <nischal.varide@intel.com>; dri-devel@lists.freedesktop.org
> Subject: [Intel-gfx] [PATCH v3 1/9] drm/dp: add MSO related DPCD registers
>
> Add DPCD register definitions for eDP 1.4 Multi-SST Operation.

Looks Good to me.
Reviewed-by: Uma Shankar <uma.shankar@intel.com>

> Cc: Nischal Varide <nischal.varide@intel.com>
> Cc: dri-devel@lists.freedesktop.org
> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
> ---
> include/drm/drm_dp_helper.h | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index
> edffd1dcca3e..632ad7faa006 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -1016,6 +1016,11 @@ struct drm_device;
> #define DP_EDP_REGIONAL_BACKLIGHT_BASE 0x740 /* eDP 1.4 */
> #define DP_EDP_REGIONAL_BACKLIGHT_0 0x741 /* eDP 1.4 */
>
> +#define DP_EDP_MSO_LINK_CAPABILITIES 0x7a4 /* eDP 1.4 */
> +# define DP_EDP_MSO_NUMBER_OF_LINKS_MASK (7 << 0)
> +# define DP_EDP_MSO_NUMBER_OF_LINKS_SHIFT 0
> +# define DP_EDP_MSO_INDEPENDENT_LINK_BIT (1 << 3)
> +
> /* Sideband MSG Buffers */
> #define DP_SIDEBAND_MSG_DOWN_REQ_BASE 0x1000 /* 1.2 MST */
> #define DP_SIDEBAND_MSG_UP_REP_BASE 0x1200 /* 1.2 MST */
> --
> 2.20.1
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx