[Intel-gfx] [PATCH v3 03/13] drm/dp: add LTTPR DP 2.0 DPCD addresses

Jani Nikula
2021-09-09T12:52:37Z

DP 2.0 brings some new DPCD addresses for PHY repeaters.

Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
include/drm/drm_dp_helper.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 1d5b3dbb6e56..f3a61341011d 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -1319,6 +1319,10 @@ struct drm_panel;
#define DP_MAX_LANE_COUNT_PHY_REPEATER 0xf0004 /* 1.4a */
#define DP_Repeater_FEC_CAPABILITY 0xf0004 /* 1.4 */
#define DP_PHY_REPEATER_EXTENDED_WAIT_TIMEOUT 0xf0005 /* 1.4a */
+#define DP_MAIN_LINK_CHANNEL_CODING_PHY_REPEATER 0xf0006 /* 2.0 */
+# 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 */

enum drm_dp_phy {
DP_PHY_DPRX,
--
2.30.2