Now that this code is part of the compute stage we can return -EINVAL
to prevent the modeset instead of giving a WARN and trying anyway.
v2:
- Fix typo (Paul Menzel).
- Add MISSING_CASE() (Ville, Maarten).
Reported-by: Lyude <cpaul@xxxxxxxxxx>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_pm.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 45a5f22..0343dac 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3580,11 +3580,12 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
case 2:
y_min_scanlines = 8;
break;
- default:
- WARN(1, "Unsupported pixel depth for rotation");
case 4:
y_min_scanlines = 4;
break;
+ default:
+ MISSING_CASE(cpp);
+ return -EINVAL;
}
} else {
y_min_scanlines = 4;
--
2.7.4
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