| From | Enric Balletbo i Serra <> | Subject | [PATCH v6 08/30] drm/bridge: analogix_dp: Extend hpd check time to 100ms | Date | Thu, 5 Apr 2018 11:49:38 +0200 |
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From: Lin Huang <hl@rock-chips.com>
There was a 1ms delay to detect the hpd signal, which is too short to detect a short pulse. This patch extends this delay to 100ms.
Cc: Stéphane Marchesin <marcheu@chromium.org> Cc: 征增 王 <wzz@rock-chips.com> Signed-off-by: Lin Huang <hl@rock-chips.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Thierry Escande <thierry.escande@collabora.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.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_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 5957e2338071..1f4f34149019 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -76,7 +76,7 @@ static int analogix_dp_detect_hpd(struct analogix_dp_device *dp) return 0; timeout_loop++; - usleep_range(10, 11); + usleep_range(1000, 1100); } /* -- 2.16.3
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