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From: Enric Balletbo i Serra <enric.balletbo@collabora.com>
To: architt@codeaurora.org, inki.dae@samsung.com,
	thierry.reding@gmail.com, hjc@rock-chips.com,
	seanpaul@chromium.org, airlied@linux.ie, tfiga@chromium.org,
	heiko@sntech.de
Cc: dri-devel@lists.freedesktop.org, dianders@chromium.org,
	a.hajda@samsung.com, ykk@rock-chips.com, kernel@collabora.com,
	m.szyprowski@samsung.com, linux-samsung-soc@vger.kernel.org,
	jy0922.shim@samsung.com, rydberg@bitmath.org, krzk@kernel.org,
	linux-rockchip@lists.infradead.org, kgene@kernel.org,
	linux-input@vger.kernel.org, orjan.eide@arm.com,
	wxt@rock-chips.com, jeffy.chen@rock-chips.com,
	linux-arm-kernel@lists.infradead.org, mark.yao@rock-chips.com,
	wzz@rock-chips.com, hl@rock-chips.com, jingoohan1@gmail.com,
	sw0312.kim@samsung.com, linux-kernel@vger.kernel.org,
	kyungmin.park@samsung.com, Laurent.pinchart@ideasonboard.com,
	kuankuan.y@gmail.com, hshi@chromium.org,
	"Stéphane Marchesin" <marcheu@chromium.org>,
	"Enric Balletbo i Serra" <enric.balletbo@collabora.com>
Subject: [PATCH v6 06/30] drm/bridge: analogix_dp: Set PD_INC_BG first when powering up edp phy
Date: Thu,  5 Apr 2018 11:49:36 +0200	[thread overview]
Message-ID: <20180405095000.9756-7-enric.balletbo@collabora.com> (raw)
In-Reply-To: <20180405095000.9756-1-enric.balletbo@collabora.com>

From: zain wang <wzz@rock-chips.com>

Following the correct power up sequence:
dp_pd=ff => dp_pd=7f => wait 10us => dp_pd=00

Cc: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: zain wang <wzz@rock-chips.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
---

 drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 10 ++++++++--
 drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h |  3 +++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
index b47c5af43560..bb72f8b0e603 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
@@ -321,10 +321,16 @@ void analogix_dp_set_analog_power_down(struct analogix_dp_device *dp,
 		break;
 	case POWER_ALL:
 		if (enable) {
-			reg = DP_PHY_PD | AUX_PD | CH3_PD | CH2_PD |
-				CH1_PD | CH0_PD;
+			reg = DP_ALL_PD;
 			writel(reg, dp->reg_base + phy_pd_addr);
 		} else {
+			reg = DP_ALL_PD;
+			writel(reg, dp->reg_base + phy_pd_addr);
+			usleep_range(10, 15);
+			reg &= ~DP_INC_BG;
+			writel(reg, dp->reg_base + phy_pd_addr);
+			usleep_range(10, 15);
+
 			writel(0x00, dp->reg_base + phy_pd_addr);
 		}
 		break;
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
index 40200c652533..9602668669f4 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
@@ -342,12 +342,15 @@
 #define DP_PLL_REF_BIT_1_2500V			(0x7 << 0)
 
 /* ANALOGIX_DP_PHY_PD */
+#define DP_INC_BG				(0x1 << 7)
+#define DP_EXP_BG				(0x1 << 6)
 #define DP_PHY_PD				(0x1 << 5)
 #define AUX_PD					(0x1 << 4)
 #define CH3_PD					(0x1 << 3)
 #define CH2_PD					(0x1 << 2)
 #define CH1_PD					(0x1 << 1)
 #define CH0_PD					(0x1 << 0)
+#define DP_ALL_PD				(0xff)
 
 /* ANALOGIX_DP_PHY_TEST */
 #define MACRO_RST				(0x1 << 5)
-- 
2.16.3

WARNING: multiple messages have this Message-ID
From: Enric Balletbo i Serra <enric.balletbo@collabora.com>
To: architt@codeaurora.org, inki.dae@samsung.com,
	thierry.reding@gmail.com, hjc@rock-chips.com,
	seanpaul@chromium.org, airlied@linux.ie, tfiga@chromium.org,
	heiko@sntech.de
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	a.hajda@samsung.com, Laurent.pinchart@ideasonboard.com,
	ykk@rock-chips.com, kernel@collabora.com,
	m.szyprowski@samsung.com, linux-samsung-soc@vger.kernel.org,
	jy0922.shim@samsung.com, rydberg@bitmath.org, krzk@kernel.org,
	linux-rockchip@lists.infradead.org, kgene@kernel.org,
	linux-input@vger.kernel.org, orjan.eide@arm.com,
	wxt@rock-chips.com, jeffy.chen@rock-chips.com,
	"Stéphane Marchesin" <marcheu@chromium.org>,
	linux-arm-kernel@lists.infradead.org, mark.yao@rock-chips.com,
	wzz@rock-chips.com, hl@rock-chips.com, jingoohan1@gmail.com,
	sw0312.kim@samsung.com, dianders@chromium.org,
	kyungmin.park@samsung.com,
	"Enric Balletbo i Serra" <enric.balletbo@collabora.com>,
	kuankuan.y@gmail.com, hshi@chromium.org
Subject: [PATCH v6 06/30] drm/bridge: analogix_dp: Set PD_INC_BG first when powering up edp phy
Date: Thu,  5 Apr 2018 11:49:36 +0200	[thread overview]
Message-ID: <20180405095000.9756-7-enric.balletbo@collabora.com> (raw)
In-Reply-To: <20180405095000.9756-1-enric.balletbo@collabora.com>

From: zain wang <wzz@rock-chips.com>

Following the correct power up sequence:
dp_pd=ff => dp_pd=7f => wait 10us => dp_pd=00

Cc: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: zain wang <wzz@rock-chips.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
---

 drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 10 ++++++++--
 drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h |  3 +++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
index b47c5af43560..bb72f8b0e603 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
@@ -321,10 +321,16 @@ void analogix_dp_set_analog_power_down(struct analogix_dp_device *dp,
 		break;
 	case POWER_ALL:
 		if (enable) {
-			reg = DP_PHY_PD | AUX_PD | CH3_PD | CH2_PD |
-				CH1_PD | CH0_PD;
+			reg = DP_ALL_PD;
 			writel(reg, dp->reg_base + phy_pd_addr);
 		} else {
+			reg = DP_ALL_PD;
+			writel(reg, dp->reg_base + phy_pd_addr);
+			usleep_range(10, 15);
+			reg &= ~DP_INC_BG;
+			writel(reg, dp->reg_base + phy_pd_addr);
+			usleep_range(10, 15);
+
 			writel(0x00, dp->reg_base + phy_pd_addr);
 		}
 		break;
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
index 40200c652533..9602668669f4 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
@@ -342,12 +342,15 @@
 #define DP_PLL_REF_BIT_1_2500V			(0x7 << 0)
 
 /* ANALOGIX_DP_PHY_PD */
+#define DP_INC_BG				(0x1 << 7)
+#define DP_EXP_BG				(0x1 << 6)
 #define DP_PHY_PD				(0x1 << 5)
 #define AUX_PD					(0x1 << 4)
 #define CH3_PD					(0x1 << 3)
 #define CH2_PD					(0x1 << 2)
 #define CH1_PD					(0x1 << 1)
 #define CH0_PD					(0x1 << 0)
+#define DP_ALL_PD				(0xff)
 
 /* ANALOGIX_DP_PHY_TEST */
 #define MACRO_RST				(0x1 << 5)
-- 
2.16.3


_______________________________________________
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linux-arm-kernel@lists.infradead.org
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WARNING: multiple messages have this Message-ID
From: enric.balletbo@collabora.com (Enric Balletbo i Serra)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 06/30] drm/bridge: analogix_dp: Set PD_INC_BG first when powering up edp phy
Date: Thu,  5 Apr 2018 11:49:36 +0200	[thread overview]
Message-ID: <20180405095000.9756-7-enric.balletbo@collabora.com> (raw)
In-Reply-To: <20180405095000.9756-1-enric.balletbo@collabora.com>

From: zain wang <wzz@rock-chips.com>

Following the correct power up sequence:
dp_pd=ff => dp_pd=7f => wait 10us => dp_pd=00

Cc: St?phane Marchesin <marcheu@chromium.org>
Signed-off-by: zain wang <wzz@rock-chips.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
---

 drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 10 ++++++++--
 drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h |  3 +++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
index b47c5af43560..bb72f8b0e603 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
@@ -321,10 +321,16 @@ void analogix_dp_set_analog_power_down(struct analogix_dp_device *dp,
 		break;
 	case POWER_ALL:
 		if (enable) {
-			reg = DP_PHY_PD | AUX_PD | CH3_PD | CH2_PD |
-				CH1_PD | CH0_PD;
+			reg = DP_ALL_PD;
 			writel(reg, dp->reg_base + phy_pd_addr);
 		} else {
+			reg = DP_ALL_PD;
+			writel(reg, dp->reg_base + phy_pd_addr);
+			usleep_range(10, 15);
+			reg &= ~DP_INC_BG;
+			writel(reg, dp->reg_base + phy_pd_addr);
+			usleep_range(10, 15);
+
 			writel(0x00, dp->reg_base + phy_pd_addr);
 		}
 		break;
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
index 40200c652533..9602668669f4 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.h
@@ -342,12 +342,15 @@
 #define DP_PLL_REF_BIT_1_2500V			(0x7 << 0)
 
 /* ANALOGIX_DP_PHY_PD */
+#define DP_INC_BG				(0x1 << 7)
+#define DP_EXP_BG				(0x1 << 6)
 #define DP_PHY_PD				(0x1 << 5)
 #define AUX_PD					(0x1 << 4)
 #define CH3_PD					(0x1 << 3)
 #define CH2_PD					(0x1 << 2)
 #define CH1_PD					(0x1 << 1)
 #define CH0_PD					(0x1 << 0)
+#define DP_ALL_PD				(0xff)
 
 /* ANALOGIX_DP_PHY_TEST */
 #define MACRO_RST				(0x1 << 5)
-- 
2.16.3

  parent reply	other threads:[~2018-04-05 10:02 UTC|newest]

Thread overview: 123+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-05  9:49 [PATCH v6 00/30] DRM Rockchip rk3399 (Kevin) Enric Balletbo i Serra
2018-04-05  9:49 ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 01/30] drm/bridge: analogix_dp: Move enable video into config_video() Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-09  3:37   ` Sasha Levin
2018-04-05  9:49 ` [PATCH v6 02/30] drm/bridge: analogix_dp: Check AUX_EN status when doing AUX transfer Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 03/30] drm/bridge: analogix_dp: Don't use fast link training when panel just powered up Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 04/30] drm/bridge: analogix_dp: Retry bridge enable when it failed Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 05/30] drm/bridge: analogix_dp: Wait for HPD signal before configuring link Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-09  3:37   ` Sasha Levin
2018-04-09  3:37     ` Sasha Levin
2018-04-05  9:49 ` Enric Balletbo i Serra [this message]
2018-04-05  9:49   ` [PATCH v6 06/30] drm/bridge: analogix_dp: Set PD_INC_BG first when powering up edp phy Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-09  3:36   ` Sasha Levin
2018-04-09  3:36     ` Sasha Levin
2018-04-05  9:49 ` [PATCH v6 07/30] drm/bridge: analogix_dp: Ensure edp is disabled when shutting down the panel Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-09  3:36   ` Sasha Levin
2018-04-09  3:36     ` Sasha Levin
2018-04-05  9:49 ` [PATCH v6 08/30] drm/bridge: analogix_dp: Extend hpd check time to 100ms Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 09/30] drm/bridge: analogix_dp: Fix incorrect usage of enhanced mode Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 10/30] drm/bridge: analogix_dp: Check dpcd write/read status Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 11/30] drm/bridge: analogix_dp: Fix AUX_PD bit for Rockchip Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 12/30] drm/bridge: analogix_dp: Reset aux channel if an error occurred Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 13/30] drm/rockchip: Restore psr->state when enable/disable psr failed Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 14/30] drm/bridge: analogix_dp: Don't use ANALOGIX_DP_PLL_CTL to control pll Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 15/30] drm/bridge: analogix_dp: Fix timeout of video streamclk config Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-09  3:36   ` Sasha Levin
2018-04-09  3:36     ` Sasha Levin
2018-04-05  9:49 ` [PATCH v6 16/30] drm/bridge: analogix_dp: Fix incorrect operations with register ANALOGIX_DP_FUNC_EN_1 Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-09  3:36   ` Sasha Levin
2018-04-09  3:36     ` Sasha Levin
2018-04-05  9:49 ` [PATCH v6 17/30] drm/bridge: analogix_dp: Move fast link training detect to set_bridge Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 18/30] drm/bridge: analogix_dp: Reorder plat_data->power_off to happen sooner Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-09  3:36   ` Sasha Levin
2018-04-05  9:49 ` [PATCH v6 19/30] drm/bridge: analogix_dp: Properly log AUX CH errors Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 20/30] drm/bridge: analogix_dp: Properly disable aux chan retries on rockchip Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 21/30] drm/rockchip: pre dither down when output bpc is 8bit Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-09  3:36   ` Sasha Levin
2018-04-09  3:36     ` Sasha Levin
2018-04-05  9:49 ` [PATCH v6 22/30] drm/bridge: analogix_dp: Split the platform-specific poweron in two parts Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 23/30] drm/rockchip: analogix_dp: Do not call Analogix code before bind Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-09  3:36   ` Sasha Levin
2018-04-09  3:36     ` Sasha Levin
2018-04-12  9:54   ` Andrzej Hajda
2018-04-12  9:54     ` Andrzej Hajda
2018-04-12  9:54     ` Andrzej Hajda
2018-04-05  9:49 ` [PATCH v6 24/30] drm/rockchip: Disable PSR on input events Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-16  7:19   ` Andrzej Hajda
2018-04-16  7:19     ` Andrzej Hajda
2018-04-16  7:19     ` Andrzej Hajda
2018-04-16 17:41     ` Dmitry Torokhov
2018-04-16 17:41       ` Dmitry Torokhov
2018-04-16 17:41       ` Dmitry Torokhov
2018-04-16 19:42   ` Ezequiel Garcia
2018-04-16 19:42     ` Ezequiel Garcia
2018-04-20 13:47   ` Andrzej Hajda
2018-04-20 13:47     ` Andrzej Hajda
2018-04-20 13:51     ` Enric Balletbo i Serra
2018-04-20 13:51       ` Enric Balletbo i Serra
2018-04-05  9:49 ` [PATCH v6 25/30] drm/rockchip: Cancel PSR enable work before changing the state Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-16  8:55   ` Andrzej Hajda
2018-04-16  8:55     ` Andrzej Hajda
2018-04-16  8:55     ` Andrzej Hajda
2018-04-05  9:49 ` [PATCH v6 26/30] drm/rockchip: psr: Avoid redundant calls to .set() callback Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-16  9:06   ` Andrzej Hajda
2018-04-16  9:06     ` Andrzej Hajda
2018-04-16  9:06     ` Andrzej Hajda
2018-04-05  9:49 ` [PATCH v6 27/30] drm/rockchip: psr: Sanitize semantics of allow/disallow API Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-16  9:26   ` Andrzej Hajda
2018-04-16  9:26     ` Andrzej Hajda
2018-04-16  9:26     ` Andrzej Hajda
2018-04-05  9:49 ` [PATCH v6 28/30] drm/rockchip: Disable PSR from reboot notifier Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-16  9:57   ` Andrzej Hajda
2018-04-16  9:57     ` Andrzej Hajda
2018-04-16  9:57     ` Andrzej Hajda
2018-04-16 13:12     ` Tomasz Figa
2018-04-16 13:12       ` Tomasz Figa
2018-04-16 13:12       ` Tomasz Figa
2018-04-18  9:18       ` Enric Balletbo Serra
2018-04-18  9:18         ` Enric Balletbo Serra
2018-04-18  9:18         ` Enric Balletbo Serra
2018-04-05  9:49 ` [PATCH v6 29/30] drm/rockchip: Disallow PSR for the whole atomic commit Enric Balletbo i Serra
2018-04-05  9:49   ` Enric Balletbo i Serra
2018-04-16  9:51   ` Andrzej Hajda
2018-04-16  9:51     ` Andrzej Hajda
2018-04-16  9:51     ` Andrzej Hajda
2018-04-05  9:50 ` [PATCH v6 30/30] drm/rockchip: psr: Remove flush by CRTC Enric Balletbo i Serra
2018-04-05  9:50   ` Enric Balletbo i Serra
2018-04-16  9:53   ` Andrzej Hajda
2018-04-16  9:53     ` Andrzej Hajda
2018-04-16  9:53     ` Andrzej Hajda

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