From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
For non-transition watermarks we are supposed to check min_ddb_alloc
rather than plane_res_b when determining if we have enough DDB space
for it. A bit too much copy pasta made me check the wrong thing.
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
Fixes: df4a50a35e2c ("drm/i915: Zero out SAGV wm when we don't have enough DDB for it")
Signed-off-by: Ville Syrjälä <ville.syrjala@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 b6e34d1701a0..36601e0a5073 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4989,7 +4989,7 @@ skl_allocate_plane_ddb(struct intel_atomic_state *state,
if (wm->trans_wm.plane_res_b >= total[plane_id])
memset(&wm->trans_wm, 0, sizeof(wm->trans_wm));
- if (wm->sagv.wm0.plane_res_b >= total[plane_id])
+ if (wm->sagv.wm0.min_ddb_alloc > total[plane_id])
memset(&wm->sagv.wm0, 0, sizeof(wm->sagv.wm0));
if (wm->sagv.trans_wm.plane_res_b >= total[plane_id])
--
2.26.2
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