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authorvathsala nagaraju2017-09-26 11:59:12 +0200
committerRodrigo Vivi2017-09-28 18:39:35 +0200
commitae59e633b52cccf5761ac3012378fec2480c49aa (patch)
treedc75fc7e52557993dfcee34854841317ae8efd1d /include/drm/drm_dp_helper.h
parentMerge drm-upstream/drm-next into drm-intel-next-queued (diff)
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drm/dp: Add defines for latency in sink
Add defines for dpcd register 2009 (synchronization latency in sink). v2: - add spec version (Daniel) - use register name as is in spec,only drop excess from end (jani) - add the full register contents (jani) [Rodrigo fixed spec version when merging] Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> CC: Puthikorn Voravootivat <puthik@chromium.org> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1506419953-32605-1-git-send-email-vathsala.nagaraju@intel.com Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'include/drm/drm_dp_helper.h')
-rw-r--r--include/drm/drm_dp_helper.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 11c39f15f1b3..8b9ac321c3bd 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -735,6 +735,12 @@
# define DP_PSR_SINK_INTERNAL_ERROR 7
# define DP_PSR_SINK_STATE_MASK 0x07
+#define DP_SYNCHRONIZATION_LATENCY_IN_SINK 0x2009 /* edp 1.4 */
+# define DP_MAX_RESYNC_FRAME_COUNT_MASK (0xf << 0)
+# define DP_MAX_RESYNC_FRAME_COUNT_SHIFT 0
+# define DP_LAST_ACTUAL_SYNCHRONIZATION_LATENCY_MASK (0xf << 4)
+# define DP_LAST_ACTUAL_SYNCHRONIZATION_LATENCY_SHIFT 4
+
#define DP_RECEIVER_ALPM_STATUS 0x200b /* eDP 1.4 */
# define DP_ALPM_LOCK_TIMEOUT_ERROR (1 << 0)