[Intel-gfx] [PATCH 1/2] drm/dp: add MSO related DPCD registers
Jani Nikula
jani.nikula at intel.com
Tue Jan 19 10:22:00 UTC 2021
Add DPCD register definitions for eDP 1.4 Multi-SST Operation.
Cc: Nischal Varide <nischal.varide at intel.com>
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
include/drm/drm_dp_helper.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 6236f212da61..a6ebecdcf1d4 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -1016,6 +1016,11 @@ struct drm_device;
#define DP_EDP_REGIONAL_BACKLIGHT_BASE 0x740 /* eDP 1.4 */
#define DP_EDP_REGIONAL_BACKLIGHT_0 0x741 /* eDP 1.4 */
+#define DP_EDP_MSO_LINK_CAPABILITIES 0x7a4 /* eDP 1.4 */
+# define DP_EDP_MSO_NUMBER_OF_LINKS_MASK (7 << 0)
+# define DP_EDP_MSO_NUMBER_OF_LINKS_SHIFT 0
+# define DP_EDP_MSO_INDEPENDENT_LINK_BIT (1 << 3)
+
/* Sideband MSG Buffers */
#define DP_SIDEBAND_MSG_DOWN_REQ_BASE 0x1000 /* 1.2 MST */
#define DP_SIDEBAND_MSG_UP_REP_BASE 0x1200 /* 1.2 MST */
--
2.20.1
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