Commit 98c0d19e authored Apr 05, 2019 by José Roberto de Souza

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

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

parent c0f6ffb2

drivers/gpu/drm/i915/intel_psr.c

+0 −1

Original line number	Original line	Diff line number	Diff line
	@@ -1230,7 +1230,6 @@ void intel_psr_init(struct drm_i915_private *dev_priv)
	if (val) {		if (val) {
	DRM_DEBUG_KMS("PSR interruption error set\n");		DRM_DEBUG_KMS("PSR interruption error set\n");
	dev_priv->psr.sink_not_reliable = true;		dev_priv->psr.sink_not_reliable = true;
	return;
	}		}

	/* Set link_standby x link_off defaults */		/* Set link_standby x link_off defaults */