drm/i915: Change i915.enable_psr parameter to use per platform default.

This will give us flexibility to enable PSR by default independently so
issues and corner cases in one platform won't affect others were we have
it working properly.

Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 4ab757947f15..655bdf62bf83 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -778,6 +778,11 @@ void intel_psr_init(struct drm_device *dev)
         dev_priv->psr_mmio_base = IS_HASWELL(dev_priv) ?
                 HSW_EDP_PSR_BASE : BDW_EDP_PSR_BASE;
 
+        /* Per platform default */
+        if (i915.enable_psr == -1) {
+                i915.enable_psr = 0;
+        }
+
         /* Set link_standby x link_off defaults */
         if (IS_HASWELL(dev) || IS_BROADWELL(dev))
                 /* HSW and BDW require workarounds that we don't implement. */