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It should always wait for idle state when disabling PSR because PSR could be inactive due a call to intel_psr_exit() and while PSR is still being disabled asynchronously userspace could change the modeset causing a call to psr_disable() that will not wait for PSR idle and then PSR will be enabled again while PSR is still not idle. v2: rebased on top of the patch reusing psr_exit() Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181106190843.18009-2-jose.souza@intel.com |
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