diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2014-10-16 21:29:56 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-11-04 23:22:04 +0100 |
| commit | ac3c12e4e5a31b75b2621f8f23336bebbe3dbff4 (patch) | |
| tree | 1f6cfbe080cbf1fb47a7f587a20e113ac3122652 /drivers/gpu/drm/i915/intel_dp.c | |
| parent | 83b8459756659ce55446e3eb97d64b966c60bfb9 (diff) | |
drm/i915: Warn if stealing non pipe A/B power sequencer
There's no power sequencer on pipe C on VLV/CHV so scream a bit if we
try to steal one from pipes other than A and B.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 04d7bc730995..7df024c63bff 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2691,6 +2691,9 @@ static void vlv_steal_power_sequencer(struct drm_device *dev, lockdep_assert_held(&dev_priv->pps_mutex); + if (WARN_ON(pipe != PIPE_A && pipe != PIPE_B)) + return; + list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { struct intel_dp *intel_dp; |