From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: [PATCH 0/4] drm/i915/dp: aux and dpcd fixes Date: Fri, 20 Sep 2013 16:42:13 +0300 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id D6299E647C for ; Fri, 20 Sep 2013 06:40:00 -0700 (PDT) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org Cc: jani.nikula@intel.com List-Id: intel-gfx@lists.freedesktop.org I haven't received confirmation from various bug reporters whether these actually fix any issues, but here goes anyway. We may want to revisit patch 2/4 in a future patch, adding some heuristic to increase delay with each retry, and maybe taking into account i2c bit rate capabilities if reported in dpcd. BR, Jani. Jani Nikula (4): drm/i915/dp: retry i2c-over-aux seven times on AUX DEFER drm/i915/dp: increase i2c-over-aux retry interval on AUX DEFER drm/i915/dp: downstream port capabilities are not present in DPCD 1.0 drm/i915/dp: read DPCD PSR capability only on eDP drivers/gpu/drm/i915/intel_dp.c | 52 +++++++++++++++++++++++++++++---------- 1 file changed, 39 insertions(+), 13 deletions(-) -- 1.7.9.5