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[PATCH v3 12/14] drm: bridge/analogix_dp: expand the delay time for hpd detect

From Yakir Yang <ykk@rock-chips.com>
Newsgroups linux.kernel
Subject [PATCH v3 12/14] drm: bridge/analogix_dp: expand the delay time for hpd detect
Date 2015-08-19 17:00 +0200
Message-ID <pZd0n-BY-27@gated-at.bofh.it> (permalink)
References <pZcQF-qk-19@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Some edp screen with no hpd signal would need some delay time
to ensure that screen would be ready for work, so we can expand
the delay time in hpd detect function, it works prefectly on my
rk3288 sdk board.

Signed-off-by: Yakir Yang <ykk@rock-chips.com>
---
Changes in v3: None
Changes in v2: None

 drivers/gpu/drm/bridge/analogix_dp_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix_dp_core.c
index 99870f7..75dd44a 100644
--- a/drivers/gpu/drm/bridge/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix_dp_core.c
@@ -68,7 +68,7 @@ static int analogix_dp_detect_hpd(struct analogix_dp_device *dp)
 			return 0;
 
 		timeout_loop++;
-		usleep_range(10, 11);
+		usleep_range(100, 110);
 	}
 
 	/*
-- 
1.9.1


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Thread

[PATCH v3 0/14] Add Analogix Core Display Port Driver Yakir Yang <ykk@rock-chips.com> - 2015-08-19 16:50 +0200
  [PATCH v3 07/14] drm: rockchip/dp: add rockchip platform dp driver Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
  [PATCH v3 06/14] Documentation: drm/bridge: add document for analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
    Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for analogix_dp Rob Herring <robherring2@gmail.com> - 2015-08-24 01:30 +0200
      Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for analogix_dp Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-08-24 02:50 +0200
        Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-24 04:50 +0200
          Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-08-24 06:30 +0200
            Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-24 14:50 +0200
              Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for analogix_dp Heiko Stuebner <heiko@sntech.de> - 2015-08-24 15:10 +0200
                Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-25 03:40 +0200
              Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-08-25 02:00 +0200
                Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-08-25 03:40 +0200
                Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-25 03:40 +0200
        Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for analogix_dp Jingoo Han <jingoohan1@gmail.com> - 2015-08-24 09:50 +0200
          Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-24 15:00 +0200
      Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-24 04:30 +0200
      Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-08-24 15:00 +0200
        Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for analogix_dp Rob Herring <robherring2@gmail.com> - 2015-08-24 16:50 +0200
          Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for analogix_dp Heiko Stuebner <heiko@sntech.de> - 2015-08-24 18:20 +0200
          Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-25 03:30 +0200
          Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Thierry Reding <treding@nvidia.com> - 2015-08-25 11:20 +0200
            Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-08-25 11:40 +0200
              Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Thierry Reding <treding@nvidia.com> - 2015-08-25 12:50 +0200
                Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-08-25 13:00 +0200
            Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-25 11:50 +0200
              Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Thierry Reding <treding@nvidia.com> - 2015-08-25 12:10 +0200
                Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-25 16:10 +0200
      Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Thierry Reding <treding@nvidia.com> - 2015-08-25 11:20 +0200
        Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-25 11:40 +0200
        Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for analogix_dp Rob Herring <robherring2@gmail.com> - 2015-08-25 15:30 +0200
          Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Thierry Reding <treding@nvidia.com> - 2015-08-25 16:20 +0200
            Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-25 16:30 +0200
    Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Thierry Reding <treding@nvidia.com> - 2015-08-25 12:00 +0200
      Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-08-25 16:10 +0200
        Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Thierry Reding <treding@nvidia.com> - 2015-08-25 16:30 +0200
          Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for  analogix_dp Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-08-25 18:00 +0200
  [PATCH v3 14/14] drm: bridge/analogix_dp: add edid modes parse in get_modes method Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
  [PATCH v3 08/14] phy: Add driver for rockchip Display Port PHY Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
    Re: [PATCH v3 08/14] phy: Add driver for rockchip Display Port PHY Kishon Vijay Abraham I <kishon@ti.com> - 2015-08-20 06:50 +0200
  [PATCH v3 11/14] drm: bridge: analogix_dp: try force hpd after plug in lookup failed Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
  [PATCH v3 05/14] drm: bridge/analogix_dp: fix link_rate & lane_count bug Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
    Re: [PATCH v3 05/14] drm: bridge/analogix_dp: fix link_rate & lane_count bug Jingoo Han <jingoohan1@gmail.com> - 2015-08-20 09:30 +0200
      Re: [PATCH v3 05/14] drm: bridge/analogix_dp: fix link_rate & lane_count  bug Yakir Yang <ykk@rock-chips.com> - 2015-08-20 10:10 +0200
  [PATCH v3 12/14] drm: bridge/analogix_dp: expand the delay time for hpd detect Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
    Re: [PATCH v3 12/14] drm: bridge/analogix_dp: expand the delay time for hpd detect Jingoo Han <jingoohan1@gmail.com> - 2015-08-20 08:20 +0200
      Re: [PATCH v3 12/14] drm: bridge/analogix_dp: expand the delay time  for hpd detect Yakir Yang <ykk@rock-chips.com> - 2015-08-20 10:10 +0200
  [PATCH v3 04/14] drm: bridge/analogix_dp: dynamic parse sync_pol & interlace & colorimetry Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
  [PATCH v3 02/14] drm: exynos/dp: convert to drm bridge mode Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
  [PATCH v3 13/14] drm: bridge/analogix_dp: move hpd detect to connector detect function Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
    Re: [PATCH v3 13/14] drm: bridge/analogix_dp: move hpd detect to connector detect function Jingoo Han <jingoohan1@gmail.com> - 2015-08-20 09:50 +0200
      Re: [PATCH v3 13/14] drm: bridge/analogix_dp: move hpd detect to  connector detect function Yakir Yang <ykk@rock-chips.com> - 2015-08-20 10:20 +0200
  [PATCH v3 10/14] drm: bridge: analogix_dp: add some rk3288 special registers setting Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
  [PATCH v3 09/14] drm: bridge/analogix_dp: add platform device type support Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
  [PATCH v3 01/14] drm: exynos/dp: fix code style Yakir Yang <ykk@rock-chips.com> - 2015-08-19 17:00 +0200
  Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver Dave Airlie <airlied@gmail.com> - 2015-08-20 02:00 +0200
    Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver Yakir Yang <ykk@rock-chips.com> - 2015-08-20 03:10 +0200
  Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver Archit Taneja <architt@codeaurora.org> - 2015-08-20 06:40 +0200
    Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver Jingoo Han <jingoohan1@gmail.com> - 2015-08-20 08:00 +0200
      Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver Yakir Yang <ykk@rock-chips.com> - 2015-08-20 08:30 +0200
        Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver Jingoo Han <jingoohan1@gmail.com> - 2015-08-20 09:00 +0200
          Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver Yakir Yang <ykk@rock-chips.com> - 2015-08-20 10:10 +0200
  Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver Jingoo Han <jingoohan1@gmail.com> - 2015-08-21 10:30 +0200
    Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver Thierry Reding <treding@nvidia.com> - 2015-08-21 15:20 +0200
      Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver Romain Perier <romain.perier@gmail.com> - 2015-08-30 14:20 +0200
        Re: [PATCH v3 0/14] Add Analogix Core Display Port Driver Yakir Yang <ykk@rock-chips.com> - 2015-08-31 04:50 +0200

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