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

José Roberto de Souza jose.souza at intel.com
Sat Apr 6 00:51:11 UTC 2019

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 at intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
 drivers/gpu/drm/i915/intel_psr.c | 1 -
 1 file changed, 1 deletion(-)

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 */

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