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drm/i915/psr: Initialize PSR mutex even when sink is not reliable

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Even when driver is reloaded and hits this scenario the PSR mutex
should be initialized, otherwise reading PSR debugfs status will
execute mutex_lock() over a mutex that was not initialized.

Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190406005112.27205-3-jose.souza@intel.com
This commit is contained in:
José Roberto de Souza 2019-04-05 17:51:11 -07:00
parent c0f6ffb2cd
commit 98c0d19ec7
1 changed files with 0 additions and 1 deletions
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drivers/gpu/drm/i915/intel_psr.c
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@ -1230,7 +1230,6 @@ void intel_psr_init(struct drm_i915_private *dev_priv)
if (val) {
DRM_DEBUG_KMS("PSR interruption error set\n");
dev_priv->psr.sink_not_reliable = true;
return;
}
/* Set link_standby x link_off defaults */