[Intel-gfx] [PATCH 06/15] drm/i915: Add a FIXME about drrs/psr interactions

[Daniel Vetter]

Can't review this right now due to lack of DRRS code.

Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Cc: Vandana Kannan <vandana.kannan at intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/i915/intel_dp.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index c7d625040e3d..ac1cef459a7b 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4121,6 +4121,11 @@ void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate)
 		return;
 	}
 
+	/*
+	 * FIXME: This needs proper synchronization with psr state. But really
+	 * hard to tell without seeing the user of this function of this code.
+	 * Check locking and ordering once that lands.
+	 */
 	if (INTEL_INFO(dev)->gen < 8 && intel_edp_is_psr_enabled(dev)) {
 		DRM_DEBUG_KMS("DRRS is disabled as PSR is enabled\n");
 		return;
-- 
2.0.0