[PATCH v6 1/6] drm/panelreplay: dpcd register definition for panelreplay
Animesh Manna
animesh.manna at intel.com
Thu Sep 21 06:13:30 UTC 2023
Add DPCD register definition for discovering, enabling and
checking status of panel replay of the sink.
Cc: Jouni Högander <jouni.hogander at intel.com>
Signed-off-by: Animesh Manna <animesh.manna at intel.com>
---
include/drm/display/drm_dp.h | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index e69cece404b3..fc42b622ef32 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -543,6 +543,10 @@
/* DFP Capability Extension */
#define DP_DFP_CAPABILITY_EXTENSION_SUPPORT 0x0a3 /* 2.0 */
+#define DP_PANEL_REPLAY_CAP 0x0b0 /* DP 2.0 */
+# define DP_PANEL_REPLAY_SUPPORT (1 << 0)
+# define DP_PANEL_REPLAY_SU_SUPPORT (1 << 1)
+
/* Link Configuration */
#define DP_LINK_BW_SET 0x100
# define DP_LINK_RATE_TABLE 0x00 /* eDP 1.4 */
@@ -716,6 +720,13 @@
#define DP_BRANCH_DEVICE_CTRL 0x1a1
# define DP_BRANCH_DEVICE_IRQ_HPD (1 << 0)
+#define PANEL_REPLAY_CONFIG 0x1b0 /* DP 2.0 */
+# define DP_PANEL_REPLAY_ENABLE (1 << 0)
+# define DP_PANEL_REPLAY_UNRECOVERABLE_ERROR_EN (1 << 3)
+# define DP_PANEL_REPLAY_RFB_STORAGE_ERROR_EN (1 << 4)
+# define DP_PANEL_REPLAY_ACTIVE_FRAME_CRC_ERROR_EN (1 << 5)
+# define DP_PANEL_REPLAY_SU_ENABLE (1 << 6)
+
#define DP_PAYLOAD_ALLOCATE_SET 0x1c0
#define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1
#define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2
@@ -1105,6 +1116,18 @@
#define DP_LANE_ALIGN_STATUS_UPDATED_ESI 0x200e /* status same as 0x204 */
#define DP_SINK_STATUS_ESI 0x200f /* status same as 0x205 */
+#define DP_PANEL_REPLAY_ERROR_STATUS 0x2020 /* DP 2.1*/
+# define DP_PANEL_REPLAY_LINK_CRC_ERROR (1 << 0)
+# define DP_PANEL_REPLAY_RFB_STORAGE_ERROR (1 << 1)
+# define DP_PANEL_REPLAY_VSC_SDP_UNCORRECTABLE_ERROR (1 << 2)
+
+#define DP_SINK_DEVICE_PR_AND_FRAME_LOCK_STATUS 0x2022 /* DP 2.1 */
+# define DP_SINK_DEVICE_PANEL_REPLAY_STATUS_MASK (7 << 0)
+# define DP_SINK_FRAME_LOCKED_SHIFT 3
+# define DP_SINK_FRAME_LOCKED_MASK (3 << 3)
+# define DP_SINK_FRAME_LOCKED_STATUS_VALID_SHIFT 5
+# define DP_SINK_FRAME_LOCKED_STATUS_VALID_MASK (1 << 5)
+
/* Extended Receiver Capability: See DP_DPCD_REV for definitions */
#define DP_DP13_DPCD_REV 0x2200
--
2.29.0
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