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| author |   Imre Deak <imre.deak@intel.com> | 2017-01-27 11:39:19 +0200 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2017-02-06 16:33:27 +0200 |
| commit | 390b4e00241ce14ca3967c4698c8f6a158c5a674 (patch) | |
| tree | c47a07d71d76816fbba3f61d70e586615a848e2c /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | drm/i915/gen9+: Enable hotplug detection early (diff) | |
| download | linux-dev-390b4e00241ce14ca3967c4698c8f6a158c5a674.tar.xz linux-dev-390b4e00241ce14ca3967c4698c8f6a158c5a674.zip | |
drm/i915/lspcon: Fix resume time initialization due to unasserted HPD
During system resume time initialization the HPD level on LSPCON ports
can stay low for an extended amount of time, leading to failed AUX
transfers and LSPCON initialization. Fix this by waiting for HPD to get
asserted.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99178
Cc: Shashank Sharma <shashank.sharma@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: <stable@vger.kernel.org> # v4.9+
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1485509961-9010-3-git-send-email-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
0 files changed, 0 insertions, 0 deletions