From: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Date: Fri, 23 Feb 2018 14:15:19 -0800
Subject: drm/i915/dp: Remove redundant sleep after AUX transaction length
 check.
Git-commit: 62d5ac27f4562b3a69dc42107200f315561bdc30
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

The core already takes care of the delay before retrying. The delay now
changes to (500, 600)us instead of (500 + 1000, 600 + 1500)us.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: David Weinehall <david.weinehall@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180223221520.18464-5-dhinakaran.pandiyan@intel.com

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/i915/intel_dp.c |    8 --------
 1 file changed, 8 deletions(-)

--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1223,14 +1223,6 @@ done:
 	if (recv_bytes == 0 || recv_bytes > 20) {
 		DRM_DEBUG_KMS("Forbidden recv_bytes = %d on aux transaction\n",
 			      recv_bytes);
-		/*
-		 * FIXME: This patch was created on top of a series that
-		 * organize the retries at drm level. There EBUSY should
-		 * also take care for 1ms wait before retrying.
-		 * That aux retries re-org is still needed and after that is
-		 * merged we remove this sleep from here.
-		 */
-		usleep_range(1000, 1500);
 		ret = -EBUSY;
 		goto out;
 	}