[Intel-gfx] [PATCH 6/9] drm/i915/dp: Remove redundant sleep after AUX transaction length check.

Dhinakaran Pandiyan dhinakaran.pandiyan at intel.com
Sat Jan 27 02:49:20 UTC 2018


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 at intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 2454326690fb..97a4557053db 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1189,14 +1189,6 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
 	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;
 	}
-- 
2.14.1



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