Commit 65172699 authored by Dhinakaran Pandiyan's avatar Dhinakaran Pandiyan

drm/i915/mst: Continue state updates even if AUX writes fail.

We are too late in the enabling sequence to back out cleanly, not updating
state tracking variables, like intel_dp->active_mst_links in this
instance, results in incorrect behaviour further along.

v2: Fixed int v/s bool comparison

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Nathan Ciobanu <nathan.d.ciobanu@linux.intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107281Signed-off-by: default avatarDhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: default avatarNathan Ciobanu <nathan.d.ciobanu@linux.intel.com>
Tested-by: default avatarNathan Ciobanu <nathan.d.ciobanu@linux.intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180718171943.3246-2-dhinakaran.pandiyan@intel.com
parent 45ef40aa
......@@ -241,11 +241,8 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder,
connector->port,
pipe_config->pbn,
pipe_config->dp_m_n.tu);
if (ret == false) {
if (!ret)
DRM_ERROR("failed to allocate vcpi\n");
return;
}
intel_dp->active_mst_links++;
temp = I915_READ(DP_TP_STATUS(port));
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment