drm/i915/psr: Use WA to force HW tracking to exit PSR2
This WA also works fine for PSR2, triggering a selective update when possible. Acked-by:Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by:
Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by:
José Roberto de Souza <jose.souza@intel.com> Signed-off-by:
Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181003205031.32474-4-jose.souza@intel.com
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