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drm/dp: add LTTPR DP 2.0 DPCD addresses
author
Jani Nikula
<jani.nikula@intel.com>
Thu, 9 Sep 2021 12:51:55 +0000
(15:51 +0300)
committer
Jani Nikula
<jani.nikula@intel.com>
Mon, 20 Sep 2021 15:45:11 +0000
(18:45 +0300)
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>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link:
https://patchwork.freedesktop.org/patch/msgid/def17e2329722f22c35807be26b35590ccb93bfd.1631191763.git.jani.nikula@intel.com
include/drm/drm_dp_helper.h
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diff --git
a/include/drm/drm_dp_helper.h
b/include/drm/drm_dp_helper.h
index 1d5b3dbb6e563f3da9384bbe9c01f41ec7622a80..f3a61341011dbff7bb5b71ee1d5a1a5c6aba7299 100644
(file)
--- 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,