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

6 years ago · 6633ec93c3
parent fd82ba7795 11883865fd
commit 6633ec93c3
2 changed files with 4 additions and 1 deletions
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@ -2089,6 +2089,9 @@ 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;
 }
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@ -334,7 +334,7 @@
 # define DP_LINK_BW_1_62		    0x06
 # define DP_LINK_BW_2_7			    0x0a
 # define DP_LINK_BW_5_4			    0x14    /* 1.2 */
-# define DP_LINK_BW_8_1			    0x1e
+# define DP_LINK_BW_8_1			    0x1e    /* 1.4 */

 #define DP_LANE_COUNT_SET	            0x101
 # define DP_LANE_COUNT_MASK		    0x0f