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Commit 62d5ac27 authored by Dhinakaran Pandiyan's avatar Dhinakaran Pandiyan Committed by Rodrigo Vivi
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drm/i915/dp: Remove redundant sleep after AUX transaction length check. 



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: default avatarDhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: default avatarDavid Weinehall <david.weinehall@linux.intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180223221520.18464-5-dhinakaran.pandiyan@intel.com
parent e2770e2e

drivers/gpu/drm/i915/intel_dp.c

+0 −8
Original line number Diff line number Diff line
@@ -1205,14 +1205,6 @@ 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;

	}