Add EDP_20 DPCD revision definition.

Signed-off-by: Suraj Kandpal <[email protected]>
---
 include/drm/display/drm_dp.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 8b0ca36083dd..e63c7f075f54 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -1035,6 +1035,7 @@
 # define DP_EDP_14a                         0x04    /* eDP 1.4a */
 # define DP_EDP_14b                         0x05    /* eDP 1.4b */
 # define DP_EDP_15                         0x06    /* eDP 1.5 */
+# define DP_EDP_20                         0x07    /* eDP 2.0 */
 
 #define DP_EDP_GENERAL_CAP_1               0x701
 # define DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP          (1 << 0)
-- 
2.34.1

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