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* [PATCH v3 08/20] drm/dp: Pass drm_dp_aux to drm_dp_link_train_clock_recovery_delay()
       [not found] <20210419225523.184856-1-lyude@redhat.com>
@ 2021-04-19 22:55 ` Lyude Paul
  2021-04-19 22:55 ` [PATCH v3 09/20] drm/dp: Pass drm_dp_aux to drm_dp*_link_train_channel_eq_delay() Lyude Paul
  1 sibling, 0 replies; 2+ messages in thread
From: Lyude Paul @ 2021-04-19 22:55 UTC (permalink / raw)
  To: dri-devel, intel-gfx, nouveau, amd-gfx, Ville Syrjälä,
	Jani Nikula, Rodrigo Vivi, Thomas Zimmermann, Thierry Reding
  Cc: Laurent Pinchart, Alex Deucher, Christian König,
	David Airlie, Daniel Vetter, Maarten Lankhorst, Maxime Ripard,
	Joonas Lahtinen, Rob Clark, Sean Paul, Hyun Kwon, Michal Simek,
	Jeevan B, Luben Tuikov, Oleg Vasilev, Imre Deak, Manasi Navare,
	Kuogee Hsieh, Stephen Boyd, Tanmay Shah, Chandan Uddaraju,
	Lee Jones, Thierry Reding, open list,
	open list:DRM DRIVER FOR MSM ADRENO GPU,
	open list:DRM DRIVER FOR MSM ADRENO GPU,
	moderated list:ARM/ZYNQ ARCHITECTURE

So that we can start using drm_dbg_*() in
drm_dp_link_train_clock_recovery_delay().

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
 drivers/gpu/drm/amd/amdgpu/atombios_dp.c              | 2 +-
 drivers/gpu/drm/drm_dp_helper.c                       | 3 ++-
 drivers/gpu/drm/i915/display/intel_dp_link_training.c | 2 +-
 drivers/gpu/drm/msm/dp/dp_ctrl.c                      | 2 +-
 drivers/gpu/drm/msm/edp/edp_ctrl.c                    | 2 +-
 drivers/gpu/drm/radeon/atombios_dp.c                  | 2 +-
 drivers/gpu/drm/xlnx/zynqmp_dp.c                      | 2 +-
 include/drm/drm_dp_helper.h                           | 4 +++-
 8 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
index 14a097322238..b0eaeb6afd29 100644
--- a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
@@ -617,7 +617,7 @@ amdgpu_atombios_dp_link_train_cr(struct amdgpu_atombios_dp_link_train_info *dp_i
 	dp_info->tries = 0;
 	voltage = 0xff;
 	while (1) {
-		drm_dp_link_train_clock_recovery_delay(dp_info->dpcd);
+		drm_dp_link_train_clock_recovery_delay(dp_info->aux, dp_info->dpcd);
 
 		if (drm_dp_dpcd_read_link_status(dp_info->aux,
 						 dp_info->link_status) <= 0) {
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index b197fdac2334..3a3c4cfb9ac6 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -132,7 +132,8 @@ u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZ
 }
 EXPORT_SYMBOL(drm_dp_get_adjust_request_post_cursor);
 
-void drm_dp_link_train_clock_recovery_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+void drm_dp_link_train_clock_recovery_delay(const struct drm_dp_aux *aux,
+					    const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 {
 	unsigned long rd_interval = dpcd[DP_TRAINING_AUX_RD_INTERVAL] &
 					 DP_TRAINING_AUX_RD_MASK;
diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
index 591ddc4b876c..198ddb3c173a 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
@@ -513,7 +513,7 @@ static void intel_dp_link_training_clock_recovery_delay(struct intel_dp *intel_d
 							enum drm_dp_phy dp_phy)
 {
 	if (dp_phy == DP_PHY_DPRX)
-		drm_dp_link_train_clock_recovery_delay(intel_dp->dpcd);
+		drm_dp_link_train_clock_recovery_delay(&intel_dp->aux, intel_dp->dpcd);
 	else
 		drm_dp_lttpr_link_train_clock_recovery_delay();
 }
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index 1390f3547fde..264a9eae87d3 100644
--- a/drivers/gpu/drm/msm/dp/dp_ctrl.c
+++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c
@@ -1103,7 +1103,7 @@ static int dp_ctrl_link_train_1(struct dp_ctrl_private *ctrl,
 	tries = 0;
 	old_v_level = ctrl->link->phy_params.v_level;
 	for (tries = 0; tries < maximum_retries; tries++) {
-		drm_dp_link_train_clock_recovery_delay(ctrl->panel->dpcd);
+		drm_dp_link_train_clock_recovery_delay(ctrl->aux, ctrl->panel->dpcd);
 
 		ret = dp_ctrl_read_link_status(ctrl, link_status);
 		if (ret)
diff --git a/drivers/gpu/drm/msm/edp/edp_ctrl.c b/drivers/gpu/drm/msm/edp/edp_ctrl.c
index 57af3d8b6699..6501598448b4 100644
--- a/drivers/gpu/drm/msm/edp/edp_ctrl.c
+++ b/drivers/gpu/drm/msm/edp/edp_ctrl.c
@@ -608,7 +608,7 @@ static int edp_start_link_train_1(struct edp_ctrl *ctrl)
 	tries = 0;
 	old_v_level = ctrl->v_level;
 	while (1) {
-		drm_dp_link_train_clock_recovery_delay(ctrl->dpcd);
+		drm_dp_link_train_clock_recovery_delay(ctrl->drm_aux, ctrl->dpcd);
 
 		rlen = drm_dp_dpcd_read_link_status(ctrl->drm_aux, link_status);
 		if (rlen < DP_LINK_STATUS_SIZE) {
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index c50c504bad50..299b9d8da376 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -680,7 +680,7 @@ static int radeon_dp_link_train_cr(struct radeon_dp_link_train_info *dp_info)
 	dp_info->tries = 0;
 	voltage = 0xff;
 	while (1) {
-		drm_dp_link_train_clock_recovery_delay(dp_info->dpcd);
+		drm_dp_link_train_clock_recovery_delay(dp_info->aux, dp_info->dpcd);
 
 		if (drm_dp_dpcd_read_link_status(dp_info->aux,
 						 dp_info->link_status) <= 0) {
diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c
index e8efbab5ae69..6ef2d9b3884c 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_dp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c
@@ -713,7 +713,7 @@ static int zynqmp_dp_link_train_cr(struct zynqmp_dp *dp)
 		if (ret)
 			return ret;
 
-		drm_dp_link_train_clock_recovery_delay(dp->dpcd);
+		drm_dp_link_train_clock_recovery_delay(&dp->aux, dp->dpcd);
 		ret = drm_dp_dpcd_read_link_status(&dp->aux, link_status);
 		if (ret < 0)
 			return ret;
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 417b2c101a1e..9900c93e4f2c 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -29,6 +29,7 @@
 #include <drm/drm_connector.h>
 
 struct drm_device;
+struct drm_dp_aux;
 
 /*
  * Unless otherwise noted, all values are from the DP 1.1a spec.  Note that
@@ -1482,7 +1483,8 @@ u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZ
 #define DP_LTTPR_COMMON_CAP_SIZE	8
 #define DP_LTTPR_PHY_CAP_SIZE		3
 
-void drm_dp_link_train_clock_recovery_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
+void drm_dp_link_train_clock_recovery_delay(const struct drm_dp_aux *aux,
+					    const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
 void drm_dp_lttpr_link_train_clock_recovery_delay(void);
 void drm_dp_link_train_channel_eq_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
 void drm_dp_lttpr_link_train_channel_eq_delay(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
-- 
2.30.2


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linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 2+ messages in thread
* [PATCH v3 09/20] drm/dp: Pass drm_dp_aux to drm_dp*_link_train_channel_eq_delay()
       [not found] <20210419225523.184856-1-lyude@redhat.com>
  2021-04-19 22:55 ` [PATCH v3 08/20] drm/dp: Pass drm_dp_aux to drm_dp_link_train_clock_recovery_delay() Lyude Paul
@ 2021-04-19 22:55 ` Lyude Paul
  1 sibling, 0 replies; 2+ messages in thread
From: Lyude Paul @ 2021-04-19 22:55 UTC (permalink / raw)
  To: dri-devel, intel-gfx, nouveau, amd-gfx, Ville Syrjälä,
	Jani Nikula, Rodrigo Vivi, Thomas Zimmermann, Thierry Reding
  Cc: Laurent Pinchart, Alex Deucher, Christian König,
	David Airlie, Daniel Vetter, Maarten Lankhorst, Maxime Ripard,
	Joonas Lahtinen, Rob Clark, Sean Paul, Hyun Kwon, Michal Simek,
	Luben Tuikov, Oleg Vasilev, Imre Deak, Manasi Navare,
	Kuogee Hsieh, Stephen Boyd, Tanmay Shah, Xu Wang,
	Chandan Uddaraju, Lee Jones, Thierry Reding, open list,
	open list:DRM DRIVER FOR MSM ADRENO GPU,
	open list:DRM DRIVER FOR MSM ADRENO GPU,
	moderated list:ARM/ZYNQ ARCHITECTURE

So that we can start using drm_dbg_*() for
drm_dp_link_train_channel_eq_delay() and
drm_dp_lttpr_link_train_channel_eq_delay().

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 drivers/gpu/drm/amd/amdgpu/atombios_dp.c           |  2 +-
 drivers/gpu/drm/drm_dp_helper.c                    | 14 +++++++++-----
 .../gpu/drm/i915/display/intel_dp_link_training.c  |  4 ++--
 drivers/gpu/drm/msm/dp/dp_ctrl.c                   |  4 ++--
 drivers/gpu/drm/msm/edp/edp_ctrl.c                 |  4 ++--
 drivers/gpu/drm/radeon/atombios_dp.c               |  2 +-
 drivers/gpu/drm/xlnx/zynqmp_dp.c                   |  2 +-
 include/drm/drm_dp_helper.h                        |  6 ++++--
 8 files changed, 22 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
index b0eaeb6afd29..9f0acee0a271 100644
--- a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
@@ -682,7 +682,7 @@ amdgpu_atombios_dp_link_train_ce(struct amdgpu_atombios_dp_link_train_info *dp_i
 	dp_info->tries = 0;
 	channel_eq = false;
 	while (1) {
-		drm_dp_link_train_channel_eq_delay(dp_info->dpcd);
+		drm_dp_link_train_channel_eq_delay(dp_info->aux, dp_info->dpcd);
 
 		if (drm_dp_dpcd_read_link_status(dp_info->aux,
 						 dp_info->link_status) <= 0) {
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index 3a3c4cfb9ac6..eaafc676aa0c 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -151,7 +151,8 @@ void drm_dp_link_train_clock_recovery_delay(const struct drm_dp_aux *aux,
 }
 EXPORT_SYMBOL(drm_dp_link_train_clock_recovery_delay);
 
-static void __drm_dp_link_train_channel_eq_delay(unsigned long rd_interval)
+static void __drm_dp_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
+						 unsigned long rd_interval)
 {
 	if (rd_interval > 4)
 		DRM_DEBUG_KMS("AUX interval %lu, out of range (max 4)\n",
@@ -165,9 +166,11 @@ static void __drm_dp_link_train_channel_eq_delay(unsigned long rd_interval)
 	usleep_range(rd_interval, rd_interval * 2);
 }
 
-void drm_dp_link_train_channel_eq_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+void drm_dp_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
+					const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 {
-	__drm_dp_link_train_channel_eq_delay(dpcd[DP_TRAINING_AUX_RD_INTERVAL] &
+	__drm_dp_link_train_channel_eq_delay(aux,
+					     dpcd[DP_TRAINING_AUX_RD_INTERVAL] &
 					     DP_TRAINING_AUX_RD_MASK);
 }
 EXPORT_SYMBOL(drm_dp_link_train_channel_eq_delay);
@@ -183,13 +186,14 @@ static u8 dp_lttpr_phy_cap(const u8 phy_cap[DP_LTTPR_PHY_CAP_SIZE], int r)
 	return phy_cap[r - DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1];
 }
 
-void drm_dp_lttpr_link_train_channel_eq_delay(const u8 phy_cap[DP_LTTPR_PHY_CAP_SIZE])
+void drm_dp_lttpr_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
+					      const u8 phy_cap[DP_LTTPR_PHY_CAP_SIZE])
 {
 	u8 interval = dp_lttpr_phy_cap(phy_cap,
 				       DP_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1) &
 		      DP_TRAINING_AUX_RD_MASK;
 
-	__drm_dp_link_train_channel_eq_delay(interval);
+	__drm_dp_link_train_channel_eq_delay(aux, interval);
 }
 EXPORT_SYMBOL(drm_dp_lttpr_link_train_channel_eq_delay);
 
diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
index 198ddb3c173a..6bf6f1ec13ed 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
@@ -665,11 +665,11 @@ intel_dp_link_training_channel_equalization_delay(struct intel_dp *intel_dp,
 						  enum drm_dp_phy dp_phy)
 {
 	if (dp_phy == DP_PHY_DPRX) {
-		drm_dp_link_train_channel_eq_delay(intel_dp->dpcd);
+		drm_dp_link_train_channel_eq_delay(&intel_dp->aux, intel_dp->dpcd);
 	} else {
 		const u8 *phy_caps = intel_dp_lttpr_phy_caps(intel_dp, dp_phy);
 
-		drm_dp_lttpr_link_train_channel_eq_delay(phy_caps);
+		drm_dp_lttpr_link_train_channel_eq_delay(&intel_dp->aux, phy_caps);
 	}
 }
 
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index 264a9eae87d3..2cebd17a7289 100644
--- a/drivers/gpu/drm/msm/dp/dp_ctrl.c
+++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c
@@ -1184,7 +1184,7 @@ static int dp_ctrl_link_lane_down_shift(struct dp_ctrl_private *ctrl)
 static void dp_ctrl_clear_training_pattern(struct dp_ctrl_private *ctrl)
 {
 	dp_ctrl_train_pattern_set(ctrl, DP_TRAINING_PATTERN_DISABLE);
-	drm_dp_link_train_channel_eq_delay(ctrl->panel->dpcd);
+	drm_dp_link_train_channel_eq_delay(ctrl->aux, ctrl->panel->dpcd);
 }
 
 static int dp_ctrl_link_train_2(struct dp_ctrl_private *ctrl,
@@ -1215,7 +1215,7 @@ static int dp_ctrl_link_train_2(struct dp_ctrl_private *ctrl,
 	dp_ctrl_train_pattern_set(ctrl, pattern | DP_RECOVERED_CLOCK_OUT_EN);
 
 	for (tries = 0; tries <= maximum_retries; tries++) {
-		drm_dp_link_train_channel_eq_delay(ctrl->panel->dpcd);
+		drm_dp_link_train_channel_eq_delay(ctrl->aux, ctrl->panel->dpcd);
 
 		ret = dp_ctrl_read_link_status(ctrl, link_status);
 		if (ret)
diff --git a/drivers/gpu/drm/msm/edp/edp_ctrl.c b/drivers/gpu/drm/msm/edp/edp_ctrl.c
index 6501598448b4..4fb397ee7c84 100644
--- a/drivers/gpu/drm/msm/edp/edp_ctrl.c
+++ b/drivers/gpu/drm/msm/edp/edp_ctrl.c
@@ -665,7 +665,7 @@ static int edp_start_link_train_2(struct edp_ctrl *ctrl)
 		return ret;
 
 	while (1) {
-		drm_dp_link_train_channel_eq_delay(ctrl->dpcd);
+		drm_dp_link_train_channel_eq_delay(ctrl->drm_aux, ctrl->dpcd);
 
 		rlen = drm_dp_dpcd_read_link_status(ctrl->drm_aux, link_status);
 		if (rlen < DP_LINK_STATUS_SIZE) {
@@ -743,7 +743,7 @@ static int edp_clear_training_pattern(struct edp_ctrl *ctrl)
 
 	ret = edp_train_pattern_set_write(ctrl, 0);
 
-	drm_dp_link_train_channel_eq_delay(ctrl->dpcd);
+	drm_dp_link_train_channel_eq_delay(ctrl->drm_aux, ctrl->dpcd);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 299b9d8da376..4c1e551d9714 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -743,7 +743,7 @@ static int radeon_dp_link_train_ce(struct radeon_dp_link_train_info *dp_info)
 	dp_info->tries = 0;
 	channel_eq = false;
 	while (1) {
-		drm_dp_link_train_channel_eq_delay(dp_info->dpcd);
+		drm_dp_link_train_channel_eq_delay(dp_info->aux, dp_info->dpcd);
 
 		if (drm_dp_dpcd_read_link_status(dp_info->aux,
 						 dp_info->link_status) <= 0) {
diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c
index 6ef2d9b3884c..cc98ac009ecd 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_dp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c
@@ -778,7 +778,7 @@ static int zynqmp_dp_link_train_ce(struct zynqmp_dp *dp)
 		if (ret)
 			return ret;
 
-		drm_dp_link_train_channel_eq_delay(dp->dpcd);
+		drm_dp_link_train_channel_eq_delay(&dp->aux, dp->dpcd);
 		ret = drm_dp_dpcd_read_link_status(&dp->aux, link_status);
 		if (ret < 0)
 			return ret;
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 9900c93e4f2c..b162aed6f1c8 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -1486,8 +1486,10 @@ u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZ
 void drm_dp_link_train_clock_recovery_delay(const struct drm_dp_aux *aux,
 					    const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
 void drm_dp_lttpr_link_train_clock_recovery_delay(void);
-void drm_dp_link_train_channel_eq_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
-void drm_dp_lttpr_link_train_channel_eq_delay(const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
+void drm_dp_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
+					const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
+void drm_dp_lttpr_link_train_channel_eq_delay(const struct drm_dp_aux *aux,
+					      const u8 caps[DP_LTTPR_PHY_CAP_SIZE]);
 
 u8 drm_dp_link_rate_to_bw_code(int link_rate);
 int drm_dp_bw_code_to_link_rate(u8 link_bw);
-- 
2.30.2


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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 2+ messages in thread
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     [not found] <20210419225523.184856-1-lyude@redhat.com>
2021-04-19 22:55 ` [PATCH v3 08/20] drm/dp: Pass drm_dp_aux to drm_dp_link_train_clock_recovery_delay() Lyude Paul
2021-04-19 22:55 ` [PATCH v3 09/20] drm/dp: Pass drm_dp_aux to drm_dp*_link_train_channel_eq_delay() Lyude Paul

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