From: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
The loop below does nothing if scaler_users has no bits set so
it is safe to bail out early in order to avoid dmesg spam, on
for example cursor updates.
v2: Commit message and rebase.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
Cc: Chandra Konduru <chandra.kond...@intel.com>
Cc: Daniel Vetter <daniel.vet...@ffwll.ch>
---
drivers/gpu/drm/i915/intel_atomic.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_atomic.c
b/drivers/gpu/drm/i915/intel_atomic.c
index e2531cf59266..523afd21cf87 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -148,6 +148,10 @@ int intel_atomic_setup_scalers(struct drm_device *dev,
int num_scalers_need;
int i, j;
+
+ if (scaler_state->scaler_users == 0)
+ return 0;
+
num_scalers_need = hweight32(scaler_state->scaler_users);
DRM_DEBUG_KMS("crtc_state = %p need = %d avail = %d scaler_users =
0x%x\n",
crtc_state, num_scalers_need, intel_crtc->num_scalers,
--
2.4.6
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