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[3/4] drm/i915/psr: Initialize PSR mutex even when sink is not reliable

Message ID 20190406005112.27205-3-jose.souza@intel.com (mailing list archive)
State New, archived
Headers show
Series [1/4] drm/i915/psr: Update PSR2 SU corruption workaround comment | expand

Commit Message

Souza, Jose April 6, 2019, 12:51 a.m. UTC 
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>
---
 drivers/gpu/drm/i915/intel_psr.c | 1 -
 1 file changed, 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index c80bb3003a7d..a84da931c3be 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -1227,7 +1227,6 @@  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 */