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| author | Kumar, Mahesh | 2017-05-17 13:58:24 +0200 |
|---|---|---|
| committer | Matt Roper | 2017-05-17 23:32:44 +0200 |
| commit | 7b75119c8bb9bde34f0cc36690094f8928a4c491 (patch) | |
| tree | 2afe66290760221972576a7599e90639ddeba202 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | drm/i915/skl+: calculate pixel_rate & relative_data_rate in fixed point (diff) | |
| download | kernel-qcow2-linux-7b75119c8bb9bde34f0cc36690094f8928a4c491.tar.gz kernel-qcow2-linux-7b75119c8bb9bde34f0cc36690094f8928a4c491.tar.xz kernel-qcow2-linux-7b75119c8bb9bde34f0cc36690094f8928a4c491.zip | |
drm/i915/skl: Fail the flip if no FB for WM calculation
Fail the flip if no FB is present but plane_state is set as visible.
Above is not a valid combination so instead of continue fail the flip.
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170517115831.13830-6-mahesh1.kumar@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index ab056952cfa4..f494af358874 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4408,7 +4408,8 @@ skl_compute_wm_level(const struct drm_i915_private *dev_priv, if (!intel_pstate) intel_pstate = to_intel_plane_state(plane->state); - WARN_ON(!intel_pstate->base.fb); + if (WARN_ON(!intel_pstate->base.fb)) + return -EINVAL; ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][intel_plane->id]); |