From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Let's not forget to mark the unused watermark levels as invalid
after the readout. The vlv/chv codepath has this but the g4x
didn't for some reason.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 45ec00e2e3c4..734deb0bd867 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6915,6 +6915,8 @@ void g4x_wm_get_hw_state(struct drm_i915_private
*dev_priv)
plane_id, USHRT_MAX);
g4x_raw_fbc_wm_set(crtc_state, level, USHRT_MAX);
+ g4x_invalidate_wms(crtc, active, level);
+
crtc_state->wm.g4x.optimal = *active;
crtc_state->wm.g4x.intermediate = *active;
--
2.35.1
