From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Using the 5/6 DDB split make sense only when sprites are enabled.
So check that before we waste any cycles computing the merged
watermarks with the 5/6 DDB split.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 211a946..214a8de 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2958,7 +2958,8 @@ static void haswell_update_wm(struct drm_crtc *crtc)
ilk_wm_merge(dev, &max, &lp_wm_1_2);
/* 5/6 split only in single pipe config on IVB+ */
- if (INTEL_INFO(dev)->gen >= 7 && config.num_pipes_active == 1) {
+ if (INTEL_INFO(dev)->gen >= 7 &&
+ config.num_pipes_active == 1 && config.sprites_enabled) {
ilk_compute_wm_maximums(dev, 1, &config, INTEL_DDB_PART_5_6,
&max);
ilk_wm_merge(dev, &max, &lp_wm_5_6);
--
1.8.1.5
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