[Intel-gfx] [PATCH v3 1/5] drm/i915/panelreplay: dpcd register definition for panelreplay

Animesh Manna animesh.manna at intel.com
Sun Oct 10 12:10:35 UTC 2021


DPCD register definition added to check and enable panel replay
capability of the sink.

Signed-off-by: Animesh Manna <animesh.manna at intel.com>
---
 include/drm/drm_dp_helper.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index b52df4db3e8f..8a2b929c3f88 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -541,6 +541,9 @@ struct drm_panel;
 /* DFP Capability Extension */
 #define DP_DFP_CAPABILITY_EXTENSION_SUPPORT	0x0a3	/* 2.0 */
 
+#define DP_PANEL_REPLAY_CAP                 0x0b0
+# define PANEL_REPLAY_SUPPORT               (1 << 0)
+
 /* Link Configuration */
 #define	DP_LINK_BW_SET		            0x100
 # define DP_LINK_RATE_TABLE		    0x00    /* eDP 1.4 */
@@ -709,6 +712,9 @@ struct drm_panel;
 #define DP_BRANCH_DEVICE_CTRL		    0x1a1
 # define DP_BRANCH_DEVICE_IRQ_HPD	    (1 << 0)
 
+#define PANEL_REPLAY_CONFIG                 0x1b0
+# define PANEL_REPLAY_ENABLE                (1 << 0)
+
 #define DP_PAYLOAD_ALLOCATE_SET		    0x1c0
 #define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1
 #define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2
-- 
2.29.0



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