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drm/dp: Add HBR3 support in existing DRM DP helpers

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Existing helpers add support upto HBR2. This patch
adds support for HBR3 rate (8.1 Gbps) introduced as
part of DP 1.4 specification.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1516660991-20697-1-git-send-email-manasi.d.navare@intel.com
This commit is contained in:
Manasi Navare
2018-01-22 14:43:10 -08:00
committed by Jani Nikula
parent a35f2f34b5
commit e0bd878a95
3 changed files with 8 additions and 0 deletions
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3
drivers/gpu/drm/drm_dp_mst_topology.c
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@@ -2087,6 +2087,9 @@ static bool drm_dp_get_vc_payload_bw(int dp_link_bw,
case DP_LINK_BW_5_4:
*out = 10 * dp_link_count;
break;
case DP_LINK_BW_8_1:
*out = 15 * dp_link_count;
break;
}
return true;
}