From: vathsala nagaraju <vathsala.nagaraju@intel.com>
To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org
Cc: Puthikorn Voravootivat <puthik@chromium.org>,
vathsala nagaraju <vathsala.nagaraju@intel.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>
Subject: [PATCH 1/2] drm/dp: Add defines for latency in sink
Date: Tue, 26 Sep 2017 15:29:12 +0530 [thread overview]
Message-ID: <1506419953-32605-1-git-send-email-vathsala.nagaraju@intel.com> (raw)
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)
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>
---
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 11c39f1..f58dcb9 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 1.4b */
+# 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)
--
1.9.1
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next reply other threads:[~2017-09-26 9:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-26 9:59 vathsala nagaraju [this message]
2017-09-26 9:59 ` [PATCH 2/2] drm/i915/psr: Set frames before SU entry for psr2 vathsala nagaraju
-- strict thread matches above, loose matches on Subject: below --
2017-09-23 0:34 [PATCH 1/2] drm/dp: Add defines for latency in sink vathsala nagaraju
2017-09-25 8:23 ` Jani Nikula
2017-09-25 9:01 ` vathsala nagaraju
2017-09-25 17:05 ` Rodrigo Vivi
2017-09-20 14:32 vathsala nagaraju
2017-09-20 22:07 ` Rodrigo Vivi
2017-09-21 14:42 ` Rodrigo Vivi
2017-09-26 5:11 ` Daniel Vetter
2017-09-26 17:37 ` Puthikorn Voravootivat
2017-09-26 20:37 ` Puthikorn Voravootivat
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