xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/i915/intel_psr.c
View File

@@ -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 */