drm/i915: PSR get full link off x standby from VBT

OEMs can specify if full_link might be always enabled, i.e. only_standby
over VBT.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 576568e..e706c9d 100644 (file)
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -120,7 +120,7 @@ static void intel_psr_enable_sink(struct intel_dp *intel_dp)
        struct drm_i915_private *dev_priv = dev->dev_private;
        uint32_t aux_clock_divider;
        int precharge = 0x3;
-       bool only_standby = false;
+       bool only_standby = dev_priv->vbt.psr.full_link;
        static const uint8_t aux_msg[] = {
                [0] = DP_AUX_NATIVE_WRITE << 4,
                [1] = DP_SET_POWER >> 8,