diff options
Diffstat (limited to 'CI-2-6-drm-i915-dp-Restrict-link-retrain-workaround-to-external-monitors.patch')
| -rw-r--r-- | CI-2-6-drm-i915-dp-Restrict-link-retrain-workaround-to-external-monitors.patch | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/CI-2-6-drm-i915-dp-Restrict-link-retrain-workaround-to-external-monitors.patch b/CI-2-6-drm-i915-dp-Restrict-link-retrain-workaround-to-external-monitors.patch deleted file mode 100644 index bb9106d05..000000000 --- a/CI-2-6-drm-i915-dp-Restrict-link-retrain-workaround-to-external-monitors.patch +++ /dev/null @@ -1,55 +0,0 @@ -From patchwork Thu Sep 27 20:57:31 2018 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 8bit -Subject: [CI, 2/6] drm/i915/dp: Restrict link retrain workaround to external - monitors -From: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> -X-Patchwork-Id: 253514 -Message-Id: <20180927205735.16651-2-dhinakaran.pandiyan@intel.com> -To: intel-gfx@lists.freedesktop.org -Date: Thu, 27 Sep 2018 13:57:31 -0700 - -Commit '3cf71bc9904d ("drm/i915: Re-apply "Perform link quality check, -unconditionally during long pulse"")' applies a work around for sinks -that don't signal link loss. The work around does not need to have to be -that broad as the issue was seen with only one particular monitor; limit -this only for external displays as eDP features like PSR turn off the link -and the driver ends up retraining the link seeeing that link is not -synchronized. - -Cc: Lyude Paul <lyude@redhat.com> -Cc: Jan-Marek Glogowski <glogow@fbihome.de> -Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> -Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> -References: 3cf71bc9904d ("drm/i915: Re-apply "Perform link quality check, unconditionally during long pulse"") -Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> -Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> ---- - drivers/gpu/drm/i915/intel_dp.c | 13 +++++++------ - 1 file changed, 7 insertions(+), 6 deletions(-) - -diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c -index 207b3ea2ed1a..4e0870f3a4a5 100644 ---- a/drivers/gpu/drm/i915/intel_dp.c -+++ b/drivers/gpu/drm/i915/intel_dp.c -@@ -5072,12 +5072,13 @@ intel_dp_long_pulse(struct intel_connector *connector, - */ - status = connector_status_disconnected; - goto out; -- } else { -- /* -- * Some external monitors do not signal loss of link -- * synchronization with an IRQ_HPD, so force a link status -- * check. -- */ -+ } -+ -+ /* -+ * Some external monitors do not signal loss of link synchronization -+ * with an IRQ_HPD, so force a link status check. -+ */ -+ if (!intel_dp_is_edp(intel_dp)) { - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - - intel_dp_retrain_link(encoder, ctx); |