According to bspec, result_lines > 31 is only a maximum for latency
level 1 through 7, so correctly apply the check there.
This is required to make NV12 work.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_pm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 26132fa6ebce..f19a3fc2466e 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4805,7 +4805,7 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
res_blocks = result_prev->plane_res_b;
}
- if (res_blocks >= ddb_allocation || res_lines > 31) {
+ if (res_blocks >= ddb_allocation || (level >= 1 && level <= 7 && res_lines > 31)) {
result->plane_en = false;
/*
--
2.15.1
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